- The following chart should help when choosing an APCS Process Alarm.
- The specifications will vary between the modules listed.
- Process signals include, but are not limited to, the following ranges
(4-20mA, 0-20mA, 0-1V, 0-5V, 1-5V, 0-10V) - A trip point is a relay contact output.
Comparison Chart
Option / Model |
STA138 | DTA137 | TRA173 | QAU775 | ||
|---|---|---|---|---|---|---|
Vac or Vdc Supply |
Y |
Y |
Y |
Y |
||
Process Signal Input |
Y |
Y |
Y |
Y |
||
Sensor Input Signals |
Y |
Y |
- |
Y |
||
Number of Trip Points |
1 |
2 |
3 |
4 |
||
Case width (mm) |
52 |
52 |
52 |
80 |