APCS Signal Conditioners, Converters, Isolators, Transmitters

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How to select your product
  • Open pdf datasheet for your model
  • Select model, range, units, options, accessories
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Model Input/Output Features Product

Analog To Resistance Converter


Factory Configured

ATR167  call for quote

Open Datasheet
Download Datasheet
Specify input type and range
RTD
Thermocouple
Frequency to 5kHz
Pulse input from proximity sensor
Millivolt/Volts
Potentiometer or resistance

Specify output range
Potentiometer: 1k, 2k, 5k, 10k, 20k, 50k, 100k, 200k, custom
  • High resolution true analog output
  • 3-wire pot or 2-wire variable resistor output simulation
  • Front zero and span pots
  • Output level LED
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
Typical applications include
  • Convert a thermocouple to RTD signal to
    match dissimilar equipment
  • Automatic gain control
Analog To Resistance Converter ATR167
ATR167

Analog To Potentiometer Converter


Factory Configured

ATP 168  call for quote

Open Datasheet
Download Datasheet
Specify input type and range
RTD
Thermocouple
Frequency to 5kHz
Pulse input from proximity sensor
Millivolt/Volts
Potentiometer or resistance

Specify output range
Potentiometer: 1k, 2k, 5k, 10k, 20k, 50k, 100k, 200k, custom
  • Convert a signal to a potentiometer output
  • 3-wire pot or 2-wire variable resistor output simulation
  • 8 bit output resolution (255 count)
  • Front zero and span pots
  • Output level LED
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
Typical applications include
  • Replace mechanical pot used for control of
    existing machinery
  • Automatic control of instrument gain or offset
  • Provide programmable adjustment for delays,
    filters or time constants.
Analog To Potentiometer Converter ATP168
ATP168

Process Signal to Bi-Polar DC Signal Converter


Factory Configured

BSC133  call for quote

BSC133 Data Sheet
BSC133 More Information

Specify input type and range
AC/DC current/millivolt/volts
pH/ORP
RTD
Thermocouple
Frequency to 5kHz
Pulse input from proximity sensor
LVDT
Potentiometer or resistance

Specify output type and range
Bi-polar volts; ±1V to ±20V
Bi-polar mA; ±1mA to ±20mA
Output Options
  • Output ramp
  • External ratio 0.5 - 1.5
  • High current output
  • Auxiliary supply 24VDC/25mA max
  • External bipolar supply
  • Peak hold (max. hold 120 min)
  • Track and hold (max. hold 120 min)
  • Load independent bi-polar output
  • High power output & dither options for
    hydraulic applications
  • Adder or subtractor options
  • Output ramp, external ratio peak hold and
    track & hold options
  • Sensor excitation
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
Typical applications include
  • Signal conversion
  • Hydraulic drive and solenoid actuation
Bi-Polar DC Signal Converter BSC133
BSC133

DC-DC converter with 5KV Isolation


Factory Configured

HVI237  call for quote

Open Datasheet
Download Datasheet
Specify input type and range
1 to 100mADC
100 to 100VDC
100V to 2000VDC
0-5A true RMS
Selectable range option: +/-100mV, 100mV, +/-250mV, 0-250mV
Selectable range option: 150 VAC, 300VAC true RMS
Specify output type and range
One or two outputs available (not isolated from each other)
4-20mA (specify sink or source)
0-10V
Custom output ranges
Customized response time 250┬Ás to 5s, 500mS standard
  • Convert a High Voltage signal to a DC output
  • Front zero and span pots
  • Output level LED
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
DC-DC converter with 5KV Isolation HVI237
HVI237

Triple Trip Alarm


Factory Configured

TRA173  call for quote

Open Datasheet
Download Datasheet
Specify input type and range
DC voltage to 10 V
DC mMilliamps to 20 mA
DC voltage up to 2kV
DC current to 10A

Specify relay output type
SPDT relays
Specify NO or NC contacts

  • Input up to 2 kVDC and 10 ADC
  • Contacts rated at 10A/250VAC
  • Sensor excitation
  • Front setpoint adjustment
  • Status LED
  • Universal power options: 8 VDC to 280 VAC
Typical applications include
  • Multiple level process alarm
Triple Trip Alarm TRA173
TRA173

Universal Conductivity Transmitter


Factory Configured

CDT728  call for quote

Open Datasheet
Download Datasheet
Specify input range
The CDT728 is a special version of the USC701 designed for conductivity measurements
1 to 1000mS/cm or 25-45 PPT (seawater)
Please provide sensor K factor
Contact us for the UAP1088 salinity transimtter with a Sensorex probe

Specify output type and range
Voltage to 18 V
Milliamps to 50 mA
Optional math functions, min/max
Alarm relay options
  • Convert a conductivity sensor signal to a DC output
  • Use with any conductivity cell with known K factor
  • Temperature compensation option
  • Front zero and span pots
  • Output level LED
  • Full I/O/power isolation
  • Universal power options: 10 VDC to 280 VAC
Typical applications include
  • Interface with conductivity cells
  • Detecting contamination
  • Salinity monitor
Universal Conductivity Transmitter CDT728
CDT728

Conductivity Transmitter


Factory Configured

CDT128  call for quote

Open Datasheet
Download Datasheet
Specify input range
1mS/cm to 1000mS/cm
Please provide sensor K factor

Specify output type and range
Voltage to 10 V
Milliamps to 50 mA
  • Convert a conductivity sensor signal to a DC output
  • Use with any conductivity cell with known K factor
  • Temperature compensation option
  • Front zero and span pots
  • Output level LED
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
Typical applications include
  • Interface with conductivity cells
  • Detecting contamination
  • Salinity monitor
Conductivity Transmitter CDT128
CDT128

LVDT Transmitter


Factory Configured

LVDT149  call for quote

Open Datasheet
Download Datasheet
Specify LVDT information
Brand
Model
Stroke: mm
Sensitivity: mV/V/mm
Frequency: Hz

Specify output type and range
Unipolar or Bi-polar volts up to
10 V or milliamps to 20 mA
  • Convert an LVDT output to DC signal
  • Any type of LVDT input
  • Output ramp option
  • Front zero and span pots
  • Output level LED
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
Common applications include
  • Interface to LVDT (Linearly Variable
    Differential Transformer)
  • Position monitoring
LVDT Transmitter LVDT149
LVDT149

pH / ORP Transmitter


Factory Configured

PHT129  call for quote

Open Datasheet
Download Datasheet
Specify input type and range
0 - 14pH
2 - 12pH
4 - 10pH
5 - 9pH
6 - 8pH
6.5 - 7.5pH
Other pH (specify)
0 - 1000mV redox (ORP)
Other redox (ORP) (specify)
Selective ion electrode

Specify output type and range
Voltage to 10 V
Milliamps to 50 mA

  • Convert pH/ORP to a DC signal
  • Wide range of pH and ORP probe inputs
  • High input impedance
  • Temperature compensation optional
  • Front zero and span pots
  • Output level LED
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
Typical applications include
  • Wastewater and water treatment monitoring
  • Detecting contamination
  • Salinity monitor actuator feedback
pH / ORP Transmitter PHT129
PHT129

Zero Speed (Stall) Monitor


Factory Configured

STM156  call for quote

Open Datasheet
Download Datasheet
Specify input type
Frequency input
Low level sine or sawtooth (200mVpp - 20Vpp)
24VDC pulse external source (0.2 - 50VDC)
NAMUR proximity sensor or contact (8V)
3-wire NPN proximity sensor 15V auxiliary
3-wire PNP proximity sensor 15V auxiliary
3-wire NPN proximity sensor 24V auxiliary
3-wire PNP proximity sensor 24V auxiliary
2-wire 24VDC/AC proximity sensor 24V auxiliary

Specify output type and options
Adjustable trip point and delays
One or two relays
Trip speed delay time range
Start up delay time range
External control options
  • Relay contact output
  • Front adjustments for trip speed and start-up delay
  • Status LED
  • Full I/O/power isolation
  • Universal power options: 8 VDC to 280 VAC
Typical applications include
  • Under speed alarm
  • Broken conveyor belt alarm
  • Machinery jam alarm
  • Stalled motor alarm
Zero Speed (Stall) Monitor STM156
STM156