PolyGard ADT Transmitter in housing A, IP65

MSR Germany Gas Alarm PolyGard® Ethylene ,C2H4 Transmitter ADT53 1189 for Ripening of fruits

ALVI Automation India ( in association with Gas alarm systems, Australia ( are pleased to offer MSR Germany, Polygard Ethylene Gas monitor, transmitter for Ripening of fruits during transportation or storage.


C2H4 transmitter including digital measurement value processing and temperature compensation for the continuous monitoring of the ambient air to detect ethylene concentrations. Integrated in the transmitter there is a comfortable calibration routine with selective access release. The ADT-53 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.

 Digital processing of the measurement values incl. temperature compensation
 Continuous monitoring
 Low zero point drift
 Good stability to poisoning
 Long-life sensor
 Modular plug-in technology
 Easy maintenance
 Comfortable calibration with selective access release
 Reverse polarity protected, overload and short-circuit proof
 (0) 4 – 20 mA / (0) 2 – 10V analog signal output, selectable
 Serial interface RS-485
 IP65 protected


For monitoring ethylene concentrations caused by the maturation of fruits during transportation or storage. Due to the standard output signal and the RS-485 interface the C2H4 transmitter is compatible to the PolyGard Gas Controller series MGC and DGC by MSR-E as well as to any other electronic control or automation system