The AST121N is our Thermocouple Temperature Signal Trip Amplifier with two trip output set points suitable for SIL 1, 2 & 3 applications
- Input is our 2, 3 or 4 wire resistance temperature sensor. Third wire compensation is standard to overcome lead resistance variation.
- Trip output is a double pole changeover contacts, rated at 250VAC, 2A, 100VA resistive
Environmental Condition
Performance
Mounting/Dimensions
Environmental Condition
Storage Temperature: -40°C to +70°C
Operating Ambient: -15°C to +55°C
Relative Humidity: 5% to 95% RH
Performance
Trip settability: ±1%
Trip repeatability: ±0.1%
Response time: <400mS
Mounting/Dimensions
Enclosure: 22.5w x 95h x 110d mm
Mounting: Din Rail (TS35)
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