Signal Conditioners, Converters, Isolators, Transmitters

  • 6 Year Warranty on API Modules
  • LoopTracker® I/O LEDs
  • Hot-Swappable Plug-In Design
  • Zero and Span Output Calibration
  • Push to Test Output
  • Full I/O/Power Isolation
Links
Product brochure
Options & accessories
Regulatory compliance



Click on PDF links below
for product information
Reference Info
Ground Loops
RFI / EMI
LoopTracker and Output Test
Sink vs Source
How to select your product
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  • Select model, range, units, options, accessories
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Model Input/Output Features Product

Thermocouple to DC Isolated Signal Conditioner


Factory Configured

APD 4131

Open Datasheet
Download Datasheet
Specify T/C type and
°F or °C temperature range

Factory configured
Thermocouples J, K, T, E, R, S, N, B, C, D, G, M, P
±0.25°C Accuracy
Microprocessor-based linearization

Specify output range
Factory configured analog output
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA

  • Automatic cold junction compensation
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source output
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
  • For orders of 5 or more, call us for lead times


APD 4131UL listed
APD 4131

Thermocouple Splitter/Converter


Factory Configured
Input: One Thermocouple
Output 1: Thermocouple
Output 2: Thermocouple

APD 41390

Open Datasheet
Download Datasheet
Specify Input T/C type, °F or °C range
J, K, T, E, R, S, N, B, C, D, G, M, P
Temperature range may be limited by the smallest
ANSI range of the 3 T/C types you select

Specify T/C connection type
 Differential (std), ungrounded
 Single-Ended (optional), grounded

Specify T/C burnout
Output signals if the input T/C goes open circuit
 Upscale burnout (std)
 Downscale burnout
 Last known value

Specify Output 1 T/C type, °F or °C range
J, K, T, E, R, S, N, B, C, D, G, M, P

Specify Output 2 T/C type, °F or °C range
J, K, T, E, R, S, N, B, C, D, G, M, P

Optional alarm
See datasheet for more information
No Alarm (std), Hi Alarm, Lo Alarm
Non-Latching, Latching, Reset Type
Normal Acting or Reverse Acting

  • Split a thermocouple into 2 thermocouple outputs
  • T/Cs can be the same, 2 different or 3 different types
  • Retransmit or convert a thermocouple into
    2 different thermocouples
  • Front zero and span pots
  • Input level LED
  • Full I/O/power isolation
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
Typical applications include
  • Interfacing legacy equipment with a PLC
  • Correcting thermocouple incompatibility issues
  • Separate monitoring and recording functions with one thermocouple
APD41390
APD 41390

Thermocouple Splitter/Converter


Factory Configured
Input: One Thermocouple
Output 1: DC Process Signal
Output 2: Thermocouple

APD 41391

Open Datasheet
Download Datasheet
Specify Input T/C type, °F or °C range
J, K, T, E, R, S, N, B, C, D, G, M, P
Temperature range may be limited by the smallest
ANSI range of the 2 T/C types you select

Specify T/C connection type
 Differential (std), ungrounded
 Single-Ended (optional), grounded

Specify T/C burnout
Output signals if the input T/C goes open circuit
 Upscale burnout (std)
 Downscale burnout
 Last known value

Specify Output 1 type and range
DC output: V or mA
Sink/source mA output

Specify Output 2 T/C type, °F or °C range
J, K, T, E, R, S, N, B, C, D, G, M, P

Optional alarm
See datasheet for more information
No Alarm (std), Hi Alarm, Lo Alarm
Non-Latching, Latching, Reset Type
Normal Acting or Reverse Acting

  • Split a thermocouple into 2 different outputs
  • Channel 1: DC process output
  • Channel 2: retransmit or convert a thermocouple
  • Front zero and span pots
  • Input level LED
  • Full I/O/power isolation
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
Typical applications include
  • Interfacing legacy equipment with a PLC
  • Correcting thermocouple incompatibility issues
  • Monitoring and recording functions with one thermocouple
APD41391
APD 41391

Thermocouple Splitter/Transmitter


Factory Configured
Input: One Thermocouple
Output 1: DC process signal
Output 2: DC process signal

APD 41393

Open Datasheet
Download Datasheet
Specify Input T/C type, °F or °C range
J, K, T, E, R, S, N, B, C, D, G, M, P

Specify T/C connection type
 Differential (std), ungrounded
 Single-Ended (optional), grounded

Specify T/C burnout
Output signals if the input T/C goes open circuit
 Upscale burnout (std)
 Downscale burnout
 Last known value

Specify Output 1 type and range
DC output: V or mA
Sink/source mA output

Specify Output 2 type and range
DC output: V or mA
Sink/source mA output

Optional alarm
See datasheet for more information
No Alarm (std), Hi Alarm, Lo Alarm
Non-Latching, Latching, Reset Type
Normal Acting or Reverse Acting

  • Split a thermocouple into 2 independent DC outputs
  • Front zero and span pots
  • Input level LED
  • Full I/O/power isolation
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
Typical applications include
  • Interfacing legacy equipment with a PLC
  • Correcting thermocouple incompatibility issues
  • Monitoring and recording functions with one thermocouple
APD41393
APD 41393

Universal Input to DC Isolated Signal Conditioner


Field Programmable


APD 8000

*Free I/O Range Setup*
Include your I/O ranges on your order,
and we'll set it up for you!

Open Datasheet
Download Datasheet

Open Feature Summary
Download Feature Summary
Field configurable inputs
DC volts: 35 ranges from ±25mVDC to ±10 VDC
DC mA sinking input, 20 ranges from ±0.5mADC to ±20mADC
Potentiometer: 100Ω min. to 1 MegaΩ max.
Thermocouple: J, K, T, E, R, S, N, B, C, D, G, M, P
RTDs: 2, 3, or 4 wire, 10Ω to 8000Ω RTDs
Thermistor: 44000 series, YSI 400, Spectrum
Custom input available

18 field programmable output ranges
Voltage: 0-1V, 0-2V, 0-4V, 0-5V, 1-5V, 0-8V, 0-10V, 2-10V,
±5V, ±10V
Current: 0-2mA, 0-4mA, 0-8mA, 0-10mA, 2-10mA, 0-16mA,
0-20mA, 4-20mA
Can be wired for sink or source
  • Switch and pushbutton setup
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source output
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
  • For orders of 5 or more, call us for lead times

APD8000UL approved
APD 8000

DC Input Alarm Trips


Factory Configured

APD 1000
APD 1020

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-100 mVDC to 0-300 VDC
0-1 mADC to 0-20 mADC, 4-20 mA

APD 1000 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching, normal acting
See data sheet for alarm options

APD 1020 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms, non-latching, normal acting
See data sheet for alarm options
  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • Selectable sink/source mA input
  • 15 V input loop power supply
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power


APD 1000UL approved
APD 1000, APD 1020

DC Input Alarm Trips


Field Selectable Minuteman Setup


APD 1080
APD 1090

Open Datasheet
Download Datasheet
24 Input Ranges
0-50 mV to 0-10 V
±5 V, ±10 V
0-1 mA to 0-20 mA, 4-20 mA

APD 1080 Field Configurable Single Alarms
Two DPST contact sets
Adjustable setpoint and deadband
2 form A (NO), 2 form B (NC) contact sets
May be field wired for form C operation


APD 1090 Field Configurable Dual Alarms
2 independent SPDT contact sets
Two adjustable setpoints each with deadband
SP 1: form A (NO) and form B (NC) contacts
SP 2: form A (NO) and form B (NC) contacts
May be field wired for form C operation

  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • User selectable alarm logic
  • 8 Amp SPDT contacts
  • Alarm status LEDs
  • Selectable sink/source mA input
  • 15 V input loop power supply
  • Input LoopTracker LED
  • Push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD1080UL approved
APD 1080, APD 1090

DC to DC Isolated Signal Conditioner


Factory Configured

APD 4300

Open Datasheet
Download Datasheet
APD 4300
Specify input range
0-100 mVDC to 0-300 VDC
±100 mVDC to ±10 VDC
0-1 mADC to 0-1000 mADC, 4-20 mA

Specify output range
Factory configured
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA
I/O reversal available

APD 4300 PLC
Input range: 4-20 mA

Output range: 4-20 mA
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Output test terminals for manual override capability
  • Full I/O/power isolation
  • Selectable I/O sink/source
  • 15 V input loop power supply
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
  • Correct sink-sink or source-source mismatches
  • Isolate single-ended inputs
  • Eliminate PLC/DCS ground loops
  • Use with Allen Bradley, GE/Fanuc, IDEC,
    Omron, Mitsubishi, Modicon, Siemens,
    Panasonic, Honeywell analog inputs

APD 4300UL approved
APD 4300

DC to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


APD 4380

Open Datasheet
Download Datasheet

53 field configurable input ranges
0-10 mVDC to 0-130 VDC
±5 mV to ±65 VDC
0-200 μA to 0-50 mADC

18 Field configurable output ranges
0-1 V to 0-10 VDC
±5 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Minuteman one-minute setup
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable I/O sink/source
  • 15 V input loop power supply
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 4380UL approved
APD 4380

IsoSplitter® Signal Splitter
1 DC Input to 2 DC Outputs


Factory Configured

APD 4930

Open Datasheet
Download Datasheet

Open Features
Download Features
Specify input range
0-10 mVDC to 100 VDC
±50 mV to ±10 VDC
0-1 mADC to 0-50 mADC, 4-20 mADC

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • Removable plugs
  • Output LoopTracker LEDs
  • Selectable sink/source mA input
  • 15 V input loop power supplies
  • Sourcing mA output (sinking optional)
  • 20 V output loop power supplies
  • Sinking mA outputs optional
  • Output test/manual override terminals
  • Full I/O/power isolation
  • DIN rail mount
  • 22.5 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VAC/VDC power

APD 4930 IsoSplitter
APD 4930 DC IsoSplitter

IsoSplitter® Signal Splitter
1 DC Input to 2 DC Outputs


Factory Configured

APD 4393

Open Datasheet
Download Datasheet
Specify input range
Factory Configured
0-10 mVDC to 100 VDC
±50 mV to ±10 VDC
0-1 mADC to 0-50 mADC, 4-20 mADC

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • Removable plugs
  • I/O LoopTracker LEDs
  • Selectable sink/source mA input
  • 15 V input loop power supplies
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test button
  • Full I/O/power isolation
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VAC/VDC power

Api 4393 DINUL approved
APD 4393 DC IsoSplitter

DuoPak® 2 Channel Isolated Signal Conditioners


Factory Configured

APD 2000 Series

Specify input range for each channel

APD 2000 Ch1: DC mV/V/mA Ch2: DC mV/V/mA
APD 2001 Ch1: DC mV/V/mA Ch2: RTD
APD 2003 Ch1: DC mV/V/mA Ch2: Potentiometer
APD 2005 Ch1: DC mV/V/mA Ch2: Strain gauge
APD 2006 Ch1: DC mV/V/mA Ch2: AC mV, V, mA
APD 2007 Ch1: DC mV/V/mA Ch2: Frequency

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA

  • Optional I/O reversal
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power
DuoPak UL approved
APD 2000 Series DC

AC Input Alarm Trips


Factory Configured

APD 1600
APD 1620

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-50 mVAC to 0-300 VAC
0-1 mAAC to 0-1000 mAAC

APD 1600 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching,
normal acting
See data sheet for alarm options

APD 1620 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms, non-latching,
normal acting
See data sheet for alarm options

  • Measurements are true RMS
  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power


APD 1600UL approved
APD 1600, APD 1620

AC to DC Isolated Signal Conditioner


Factory Configured

APD 6010

Open Datasheet
Download Datasheet
Specify input range
True RMS
0-50 mVAC to 0-300 VAC
0-1 mAAC to 0-1000 mAAC

Specify output range
0-1 V to 0-10 V
±1 V, ±10 V
0-1 mA to 0-20 mA, 4-20 mA
  • I/O LoopTracker LEDs
  • Full I/O/power isolation
  • Output test button
  • Mount to 35 mm DIN rail
  • True RMS input measurement
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power


APD 6010UL approved
APD 6010

AC to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


APD 6380

Open Datasheet
Download Datasheet
Hundreds of input ranges
True RMS
0-40 mVAC to 0-300 VAC
0-4 mAAC to 0-200 mAAC
Open APD 6380 Ranges
Download APD 6380 Ranges
Email APD 6380 Ranges Link

18 output ranges
0-1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Hundreds of I/O range combinations
  • True RMS for distorted waveforms
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source mA output
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 6380UL approved
APD 6380

IsoSplitter® AC Signal Splitter
1 AC Input to 2 DC Outputs


Factory Configured

APD 6393

Open Datasheet
Download Datasheet
Specify mVAC, VAC or mAAC input range
True RMS
0-50 mVAC to 0-300 VAC
0-1 mAAC to 0-1000 mAAC
Input frequency: 40 Hz to 1000 Hz sinusoidal

Specify output range for each channel
2 independent output channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • One AC input
  • Two isolated DC output channels
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supply
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

AC input IsoSplitterUL approved
APD 6393 AC IsoSplitter

DuoPak® 2 Channel Isolated Signal Conditioners


Factory Configured

APD 2000 Series

Specify input range for each channel

APD 2016 Ch1: RTD Ch2: AC mV/V/mA
APD 2036 Ch1: Potentiometer Ch2: AC mV/V/mA
APD 2056 Ch1: Strain gauge Ch2: AC mV/V/mA
APD 2066 Ch1: AC mV/V/mA Ch2: AC mV/V/mA
APD 2067 Ch1: AC mV/V/mA Ch2: Frequency

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA




  • Optional I/O reversal
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • I/O LoopTracker LEDs
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

DuoPakUL approved
APD 2000 Series AC

Frequency Input Alarm Trips


Factory Configured

APD 1700
APD 1720

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-25 Hz to 0-20 kHz
100 mV to 150 V RMS
Any waveform with minimum 100 mV amplitude change
Use with 2 wire, 3 wire NPN or PNP sensors

APD 1700 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching, normal acting
See data sheet for alarm options

APD 1720 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms, non-latching, normal acting
See data sheet for alarm options

  • Input sensitivity adjustment
  • 15 VDC sensor power available
  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 1700 UL approved
APD 1700, APD 1720

Frequency to DC Isolated Signal Conditioner


Factory Configured

APD 7010

Open Datasheet
Download Datasheet
Specify input range
Factory configured
0-25 Hz to 0 to 20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

Specify output range
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA

  • Accepts most frequency & prox sensors
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source output
  • 15 V sensor power supply
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power


APD7010UL approved
APD 7010

Frequency to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


APD 7580

Open Datasheet
Download Datasheet
30 field configurable input ranges
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

16 field configurable outputs
0-1 V to 0-10 VDC
±1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Accepts most frequency & prox sensors
  • Minuteman one-minute setup
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source output
  • 15 V sensor power supply
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD7580 UL approved
APD 7580

IsoSplitter® Frequency Signal Splitter
1 Frequency Input to 2 DC Outputs


Factory Configured

APD 7393  Call for price and lead time

Open Datasheet
Download Datasheet
Specify frequency range
Factory Configured
10-25 Hz to 0-20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • One frequency input
  • Two isolated DC output channels
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

Frequency IsoSplitterUL approved
APD 7393 Frequency IsoSplitter



DuoPak® 2 Channel Isolated Signal Conditioners


Factory Configured

APD 2000 Series

Specify input range for each channel

APD 2007 Ch1: DC mV/V/mA Ch2: Frequency
APD 2017 Ch1: RTD Ch2: Frequency
APD 2037 Ch1: Potentiometer Ch2: Frequency
APD 2057 Ch1: Strain gauge Ch2: Frequency
APD 2067 Ch1: AC mV/V/mA Ch2: Frequency
APD 2077 Ch1: Frequency Ch2: Frequency

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA

  • Optional I/O reversal
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

DuoPakUL approved
APD 2000 Series Frequency

DC to Frequency Isolated Signal Conditioners


Field Selectable Minuteman Setup


APD 7500
APD 7500 SS

Open Datasheet
Download Datasheet
24 field configurable inputs
0-50 mVDC to ±10 VDC
0-1 mADC to 0-20 mADC

APD 7500 DC to Frequency Transmitters
30 field selectable outputs
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
MOSFET output std., TTL optional
Can be wired for MOSFET or TTL output
50% duty cycle square wave output

APD 7500 SS DC to Low Frequency Transmitters
30 field selectable outputs
Low range: 0-1 Hz to 0-15 Hz
High range: 20 Hz to 300 Hz
Can be wired for MOSFET or TTL output
50% duty cycle square wave output

  • Setup via rotary switches & easy-to-use tables
  • 1200 V full isolation input/output/power
  • Adjustable low frequency cutout
  • Input and output LoopTracker® LEDs
  • Output test button with remote test capbility
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

Apd 7500UL approved
APD 7500, APD 7500 SS

Potentiometer Input Alarm Trips


Factory Configured

APD 1800
APD 1820

Open Datasheet
Download Datasheet
Any full-range potentiometer
0-100 Ω to
0-1 Mega Ω

APD 1800 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching, normal acting
See data sheet for alarm options

APD 1820 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms, non-latching, normal acting
See data sheet for alarm options

  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 1800UL approved
APD 1800, APD 1820

Potentiometer to DC Isolated Signal Conditioner


Factory Configured

APD 4003

Open Datasheet
Download Datasheet
Input range
Any full-range potentiometer
0-100 Ω to 0-1 Mega Ω

Specify output range
Factory Configured
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA

  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source output
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4003UL approved
APD 4003

Potentiometer to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


APD 4008

Open Datasheet
Download Datasheet
Any potentiometer
0-100 Ω to 0-1 Mega Ω
0 to 90% offset capable
Can use partial potentiometer ranges

18 field configurable outputs
0-1 V to 0-10 V
±1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Minuteman one-minute setup
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source output
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 4008UL approved
APD 4008

IsoSplitter® Signal Splitter
1 Potentiometer Input to 2 DC Outputs


Factory Configured

APD 3393

Open Datasheet
Download Datasheet
Use any full range 100 Ω to 1 MΩ potentiometer

Specify output range for each channel
2 independent output channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • One potentiometer input
  • Two isolated DC output channels
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • I/O LoopTracker LEDs
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

Potentiometer IsoSplitterUL approved
APD 3393 Potentiometer IsoSplitter

DuoPak® 2 Channel Isolated Signal Conditioners


Factory Configured

APD 2000 Series

Specify input range for each channel

APD 2003 Ch1: DC mV/V/mA Ch2: Potentiometer
APD 2013 Ch1: RTD Ch2: Potentiometer
APD 2033 Ch1: Potentiometer Ch2: Potentiometer
APD 2035 Ch1: Potentiometer Ch2: Strain gauge
APD 2036 Ch1: Potentiometer Ch2: AC mV/V/mA
APD 2037 Ch1: Potentiometer Ch2: Frequency

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA

  • Optional I/O reversal
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power


DuoPakUL approved
APD 2000 Series Potentiometer

Thermocouple Input Alarm Trips


Factory Configured

APD 1200
APD 1220

Open Datasheet
Download Datasheet

Specify T/C type and
°F or °C temperature range

Factory configured
Thermocouple J, K, T, E, R, S, N, B, C, D, G, M, P
100°F (55°C) recommended minimum span

APD 1200 Single Alarm Trip
Dual DPST contact set
Standard: HI alarm, normal acting,
set/reset adjustments, non-latching

APD 1220 Dual Alarm Trip
Two DPST contact sets
Standard: HI/LO alarms, normal acting,
two set/reset adjustments, non-latching

  • New microprocessor-based version
    • Complete thermocouple selection
    • Microprocessor controlled input linearization
    • More burnout options
    • Improved setpoint/reset point control
  • User adjustable set and reset point(s)
  • 8 Amp contacts
  • Removable plugs for easier installation
  • Input LoopTracker LED and output test button
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting, optional latching
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power


APD 1220
APD 1200, APD 1220
new!

RTD Input Alarm Trips


Factory Configured

APD 1400
APD 1420

Open Datasheet
Download Datasheet
Specify RTD type and temperature range
Factory configured
10 Ω to 2000 Ω RTD including
100 Ω: 0.00385α, 0.00391α,
10 Ω Cu, 1000 Ω Ni-Fe,
120 Ω Ni or Special

APD 1400 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching, normal acting
See data sheet for alarm options

APD 1420 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms, non-latching, normal acting
See data sheet for alarm options

  • 2-wire or 3-wire RTD
  • Lead wire compensation for 3-wire
  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 1400UL approved
APD 1400, APD 1420

RTD or Thermistor Input Alarm Trips


Factory Configured

APD 1401
APD 1421

Open Datasheet
Download Datasheet
RTD: specify type, 2, 3 or 4 wire, and temperature range
Factory configured
10 Ω to 2000 Ω RTD including
100 Ω: 0.00385α, 0.003916α, 0.00392α,
10 Ω Cu, 1000 Ω Ni-Fe,
120 Ω Ni or Special

Thermistor: specify type and temperature range.
For other sensor types provide temperature-resistance chart.

Factory configured
44004/44033 2.252 kΩ at 25°C
44005/44030 3.000 kΩ at 25°C
44007/44034 5.000 kΩ at 25°C
44006/44031 10.00 kΩ at 25°C
44008/44032 30.00 kΩ at 25°C
YSI 400 2.252 kΩ at 25°C
Spectrum 1003k 1 kΩ

APD 1401 Single Alarm Trip
Dual DPST contact sets
Standard: HI alarm, non-latching, normal acting

APD 1421 Dual Alarm Trip
Two DPST contact sets
Standard: HI/LO alarms, normal acting,
two set/reset adjustments, non-latching

See data sheet for alarm options

  • New microprocessor-based version
    • Complete RTD or thermistor selection
    • Microprocessor controlled input linearization
    • More burnout options
    • Improved setpoint/reset point control
  • 2-, 3-, or 4-wire RTD
  • Lead wire compensation for 3-, or 4-wire
  • User adjustable set and reset point(s)
  • 8 Amp contacts
  • Removable plugs for easier installation
  • Input LoopTracker LED and output test button
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting, optional latching
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power


APD 1421
APD 1401, APD 1421

RTD to DC Isolated Transmitter


Factory Configured

APD 4001

Open Datasheet
Download Datasheet
Specify RTD type and temperature range
10 Ω to 2000 Ω RTD including
100 Ω: 0.00385α, 0.00391α,
10 Ω Cu, 1000 Ω Ni-Fe,
120 Ω Ni or special

Specify output range
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA
  • RTD linearization
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • 2-wire or 3-wire RTD
  • Lead wire compensation for 3-wire
  • DIN rail mount
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4001UL approved
APD 4001

RTD or Thermistor Input to DC Isolated Transmitter


Factory Configured

APD 4002

Open Datasheet
Download Datasheet
Factory set input range
RTD: 2, 3, or 4 wire, 10 Ω to 8000 Ω RTD
Thermistor: 44000 series, YSI 400, Spectrum
Custom input available

Factrory set output range
Voltage: 0-1 V to 0-10 V, ±5 V, ±10 V
Current: 0-2 mA to 4-20 mA
Can be wired for sink or source
  • Covers all common RTDs and Thermistors
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable sink/source output
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4002 UL approved
APD 4002

IsoSplitter® Signal Splitter
1 RTD Input to 2 DC Outputs


Factory Configured

APD 1393

Open Datasheet
Download Datasheet
Specify RTD type and temperature range
Factory configured
10 Ω to 2000 Ω RTD including
100 Ω 0.00385α
100 Ω 0.00391α,
10 Ω Cu
1000 Ω Ni-Fe
120 Ω Ni or special

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • One RTD input
  • Two independent DC output channels
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

RTD IsoSplitterUL approved
APD 1393

DuoPak® 2 Channel Isolated Signal Conditioners


Factory Configured

APD 2000 Series

Specify input range for each channel

APD 2001 Ch1: DC mV/V/mA Ch2: RTD
APD 2011 Ch1: RTD Ch2: RTD
APD 2013 Ch1: RTD Ch2: Potentiometer
APD 2015 Ch1: RTD Ch2: Strain gauge
APD 2016 Ch1: RTD Ch2: AC mV/V/mA
APD 2017 Ch1: RTD Ch2: Frequency

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • Optional I/O reversal
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

DuoPakUL approved
APD 2000 Series RTD

Alarm Trip for 1 to 4 Sensors:

  • Load Cell
  • Pressure Transducer or Sensor
  • Strain Gauge
  • Bridge
  • Force Transducer or Sensor
Factory Configured

APD 1500
APD 1520

Open Datasheet
Download Datasheet
Specify
Strain gauge mV/V rating, mV range,
Excitation voltage
Factory configured
100 Ω to 10000 Ω strain gauge
5 mV to 2000 mV
1-10 VDC excitation
Accepts one sensor for input

APD 1500 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching, normal acting
See data sheet for alarm options

APD 1520 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms,
non-latching, normal acting
See data sheet for alarm options

  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 1500UL approved
APD 1500, APD 1520

Isolated DC Amplifier for One Sensor:

  • Load Cell
  • Pressure Transducer or Sensor
  • Strain Gauge
  • Bridge
  • Force Transducer or Sensor
Factory Configured

APD 4051

Open Datasheet
Download Datasheet
Specify input range
Factory Configured
One 350 Ω stain gauge, load cell or bridge sensor
1 mV to 2000 mV
Accepts one sensor for input

Specify excitation voltage
Factory Configured
4 to 10 VDC, 30 mA max.

Specify output range
Factory Configured
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA

  • I/O LoopTracker LEDs
  • Full I/O/power isolation
  • Internal bridge excitation source
  • Drive one bridge
  • Output test button
  • DIN rail mount
  • 22.5 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • Option D for 9-30 VDC, 10-32 VAC power

APD 4051UL approved
APD 4051

Non-Isolated DC Amplifier for 1 Sensor

  • Load Cell
  • Pressure Transducer
  • Strain Gauge
  • Bridge
  • Force Transducer

Field Selectable Minuteman Setup


APD 4058

Open Datasheet
Download Datasheet
Email Datasheet Link
Field configurable
0-5 mVDC to 0-1200 mVDC
Accepts one sensor for input

Field settable excitation voltage
0-10 VDC in 1 VDC steps, 30 mA drives one sensor

18 field configurable outputs
0-1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA

  • Minuteman one minute setup
  • I/O LoopTracker LEDs
  • Non-isolated
  • Internal bridge excitation source
  • Drive one bridge sensor
  • Output test button
  • DIN rail mount
  • 22.5 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • Option D for 9-30 VDC, 10-32 VAC power

APD 4058UL approved
APD 4058

Isolated DC Amplifier for 1 to 4 Sensors:

  • Load Cells
  • Pressure Transducers and Sensors
  • Strain Gauges
  • Bridges
  • Force Transducers and Sensors

Field Selectable Minuteman Setup


APD 4059

Open Datasheet
Download Datasheet
Email Datasheet Link
Field configurable
0-5 mVDC to 0-400 mVDC

Field settable excitation voltage
0-10 VDC in 1 VDC steps, 120 mA
Accepts one to four sensors for input

18 field configurable outputs
0-1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Minuteman one-minute setup
  • I/O LoopTracker LEDs
  • Full I/O/power isolation
  • Internal bridge excitation source
  • Drive up to 4 bridges
  • Output test button
  • DIN rail mount
  • 22.5 mm Wide
  • Universal power 85-265 VAC, 60-300 VDC
  • Option D for 9-30 VDC, 10-32 VAC power

APD 4059UL approved
APD 4059

Isolated DC Amplifier for 1 to 4 Sensors with
Calibration Resistor Option for:

  • Load Cells
  • Pressure Transducers and Sensors
  • Strain Gauges
  • Bridges
  • Force Transducers and Sensors

Field Selectable Minuteman Setup


APD 4059CR

Open Datasheet
Download Datasheet
Email Datasheet Link
apd4059cr Field configurable input
0-5 mVDC to 0-400 mVDC

Field settable excitation voltage
0-10 VDC in 1 VDC steps, 120 mA
Use internal or external calibration resistor
Specify calibration resistor value if required
Accepts one to four sensors for input

18 field configurable outputs
0-1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
Zero Offset (Tare) ±100% of span in 15% increments
  • Minuteman one-minute setup
  • I/O LoopTracker LEDs
  • Full I/O/power isolation
  • Internal bridge excitation source
  • Drive up to 4 bridges
  • Calibrations switch
  • DIN rail mount
  • 22.5 mm Wide
  • Universal power 85-265 VAC, 60-300 VDC
  • Option D for 9-30 VDC, 10-32 VAC power


APD 4059UL approved
APD 4059CR

IsoSplitter® Strain Gauge Amplifier/Signal Splitter
1 Strain Gauge Input to 2 Isolated DC Outputs


Factory Configured

APD 5393

Open Datasheet
Download Datasheet
Specify input range
Factory configured for one 350 Ω (or greater)
strain gauge, pressure transducer, pressure sensor, load cell, or bridge
Strain gauge mV range: 1 mV to 2000 mV
Specify mV/V or mV range
mV/V sensitivity X excitation voltage = total mV range

Specify excitation voltage
4 to 10 VDC excitation at 30 mA

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • One strain gauge input
  • Two independent DC output channels
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

Strain Gauge IsoSplitterUL approved
APD 5393 Strain Gauge IsoSplitter

DuoPak® 2 Channel Isolated Signal Conditioners


Choose Your Factory Configuration

APD 2000 Series

Specify input range for each channel
Accepts one sensor for each input channel

APD 2005 Ch1: DC mV/V/mA Ch2: Strain gauge
APD 2015 Ch1: RTD Ch2: Strain gauge
APD 2035 Ch1: Potentiometer Ch2: Strain gauge
APD 2055 Ch1: Strain gauge Ch2: Strain gauge
APD 2056 Ch1: Strain gauge Ch2: AC mV/V/mA
APD 2057 Ch1: Strain gauge Ch2: Frequency

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • Optional I/O reversal
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

DuoPakUL approved
APD 2000 Series Strain Gauge