Thermocouple,Input,Alarm,Transmitters
Quality • Performance • Price • 1972-2003


Thermocouple Input Alarm & Transmitters

 Thermocouple Input Alarm
 Thermocouple Input Transmitters
  Looptracker® LEDs
  Push to Test
  Lifetime Warranty
Model Input Output Ranges Features Data & Applications Photo
API 1200 G
T/C Input Single Alarm Trip
Specify T/C Type, Temp. Range, Alarm Type & Power

API 1220 G
T/C Input Dual Alarm Trip
Specify T/C Type, Temp. Range, Alarm Type & Power

Factory Configured
Also available in °F
-100-100°C type E
-100-200°C type J, E
0-100°C type J, T, E
0-150°C type J, T, E
0-200°C type J, K, T, E
0-400°C type J, K, T, E
0-500°C type J, K, E
0-600°C type J, K, E
0-700°C type J, K, E
0-800°C type K, E
0-1000°C type K
0-1200°C type K
1 or 2 Field
Adjustable
7A SPDT
Alarm Relays
Hot-Swappable Plug-In Design
Looptracker® LEDs for Input
Alarm Status LEDs
Push to Test/Reset
Automatic Cold Junction Comp.
Upscale Burnout Protection
Uses 11-Pin Socket

Data Sheet

Reference Info

Common Thermocouple Sensors
Alarm Terminology
Deadband
Relay Protection & EMI Suppression


API 4000 G
Field Selectable
Isolated T/C & RTD to DC Transmitter
Specify Power
13 Field Settable
T/C types
J, K, T, E, R, S
Platinel II 
Custom
100 Ohm RTD 
10 Ω Copper 
1000 Ω Ni-Fe
120 Ω Ni
16 Field Settable
0-1V to ±10V
0-2mA to 0-20mA
4-20mA
Minuteman Setup
Hot-Swappable Plug-In Design
Looptracker® LED for Output
Diagnostic LED
Push to Test
Full Isolation
Automatic Cold Junction Comp.
Upscale/Downscale Burnout Protection
Uses 8-Pin Socket
Data Sheet

Range Settings

Help Sheet

Reference Info

Common Thermocouple Sensors

API 4100 G
Non-Isolated T/C-DC Transmitter
Specify T/C Type, Temp. Range, Output & Power

API 4130 GL
Isolated & Linearized T/C-DC Transmitter
Specify T/C Type, Temp. Range, Output & Power

Factory Configured
Also available in °F
-100-100°C type E
-100-200°C type J, E
0-100°C type J, T, E
0-150°C type J, T, E
0-200°C type J, K, T, E
0-400°C type J, K, T, E
0-500°C type J, K, E
0-600°C type J, K, E
0-700°C type J, K, E
0-800°C type K, E
0-1000°C type K
0-1200°C type K
Factory Configured
Others available
0-1V
0-5V
1-5V
0-10
±5V
±10V
0-20mA
4-20mA
Hot-Swappable Plug-In Design
Looptracker® LEDs for
Input and Output
Push to Test
Full Isolation on 4130 GL
Automatic Cold Junction Comp.
Optional Linearization on 4100G
Uses 8-Pin Socket
Data Sheet

Reference Info

Common Thermocouple Sensors

LP 300
Field  Rangeable
Loop-Powered Isolated Thermocouple to DC Transmitter
Field Settable
Type J, K, T, E
4-20mA Looptracker® LED for Output
Full Isolation
T/C Linearization
Selectable Upscale or Downscale Burnout protection
Push to Test
Data Sheet

Help Sheet

Reference Info

Common Thermocouple Sensors

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Tel: 1-800-794-5883
Fax: 1-800-830-7122
Thermocouple Input
Alarm & Transmitters

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