Refrigerant gas transmitter with semi-conductor sensor for monitoring HCFC (hydrochlorofluorocarbon). The semi-conductor typical, non-linear signal is translated into a linear, temperature-compensated output signal. A comfortable calibration routine with selective access release is integrated in the transmitter. The ADT-43 possesses a standard analog output (0) 4- 20 mA or (0) 2– 10 V DC, and an RS-485 interface. 2 relays with adjustable switching thresholds are available as an option.
For leak detection in cooling systems with refrigerant gases as cooling agents (HCFC and HFC), such as cold-storage depots, ventilation systems, breweries, ice rinks etc. to assure the compliance with the requirements according to EN 378-3. Due to the standard output signal and the RS-485 interface, the refrigerant gas transmitter is compatible to the PolyGard gas controller series by MSR-E as well as to any other electronic control or automation system.
Digital measurement value processing incl. temperature compensation.
Linear output signal
Low zero point drift
Good stability to poisoning
Semi-conductor sensor with long life-time
Modular plug-in technology
Comfortable calibration with selective access release
Reverse polarity protected, overload and short-circuit proof
(0) 4 – 20 mA / (0) 2 – 10V analogue signal output, selectable
Serial interface RS-485
Manual calibration via potentiometer
Manual addressing for RS-485 model
4 – 20 mA analogue input for external AT transmitter Approved according to EN 61010-1; ANSI/UL 61010 1; CAN/ CSA-C22.2 No. 61010-1