Thermistor Transmitters

lifetime warranty
  • Lifetime Warranty on API Modules
  • LoopTracker® LEDs
  • Hot-Swappable Plug-In Design
  • Zero and Span Transmitter Output Calibration
  • Push to Test Output
  • Full I/O/Power Isolation





Click on model numbers below
for data sheets
Literature and Links

API product brochure

Options & accessories

Cross reference

UL Approvals

API modules USA
API modules Canada

APD modules USA
APD modules Canada

Reference Info

Sink or Source
LoopTracker and Output Test
Signal Conditioner Terminology
Industry Terminology
RFI & EMI
Ohm's Law
What is a Ground Loop?
Installation FAQs

Applications

Dam Bubbler
Measure Heat Exchanger Δ Temperature
Control Heat Exchanger Δ Temperature
How to Order
  1. Select a model
  2. See data sheet for ordering info and power options
  3. Request an API price list via chat
  4. 2-5 day typical lead time (USA customers)
  5. To place your order
Model Input/Output Features Product
Universal Thermistor to DC Isolated Transmitter
Field Programmable I/O
DIN Style

APD 4152
Field programmable input
Thermistor: 44000 series, YSI 400, Spectrum
Custom input available

18 field selectable 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
  • Covers all common thermistor sensors
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4152 UL approvedNew!
APD 4152
RTD or Thermistor Input to DC Isolated Transmitter
Factory Configured
DIN Style

APD 4002
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 output sink/source
  • 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 approvedNew!
APD 4002
Universal Temperature Input to DC Signal Conditioners
Field Programmable I/O
DIN Style

APD 4000 Feature Summary

APD 4000 Datasheet
Field programmable inputs
Thermocouples: J, K, T, E, R, S, N, B, C, D, G, M, N, P
RTDs: 2, 3, or 4 wire, 10Ω to 8000Ω RTDs
Thermistors: 44000 series, YSI 400, Spectrum
Custom input available

18 field selectable 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
  • Covers all common temperature sensors
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4000 UL approved
APD 4000
Universal Input to DC Signal Conditioners
Field Programmable I/O
DIN Style


APD 8000 Features

APD 8000 Datasheet
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, N, 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 output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD8000 UL approved new!
APD 8000
Temperature to DC Signal Conditioners
Programmable for T/C, RTD or Thermisotr
DIN Style

Sineax V624

Instructions

Software
T/C types
J, K, T, E, R, S, N, B, W5, W3, L, U
RTD, 2-, 3-, or 4-wire
100 Ω 0.00385α
100 Ω 0.003916α
Thermistor
Software for custom input linearization

Specify if Current or Voltage Output
0-2 mA to 0-20 mA, 20-0 mA
0-1 V to 0-10 V, 10-0 V

  • PC Programmable
  • Reverse Output Programmable
  • Custom Input Linearization
  • Programmable Sensor Fault Response
  • Removable Plugs
  • 3.7 kV Input/Output/Power Isolation
  • 24-60 or 85-230 VAC/VDC Powered
  • 3 Year Warranty

CE
Sineax V624