Combustible Gas Transmitter

MSR ADT transmitter with digital processing of the measured values and temperature compensation for the continuous monitoring of the ambient air and detection of combustible gases and vapours. The calibration routine with selective access release enables the comfortable calibration of the transmitter. In addition to the standard analog output (0) 4-20 mA or (0) 2- 10 V DC the ADT-23 is equipped with a RS-485 interface for different protocols. Two relays with adjustable switch threshold are available as an option.

Model ADT
Fixed / Portable Fixed
Tolerance Maximum temperature: -20 to 50 ºC
Maximum pressure: Atmospheric ±20%
Measurement Range 0-100% LEL
Accuracy ±1% of reading
Remarks

FEATURES
-Digital processing of the measured values including temperature compensation
-Continuous monitoring
-Low zero-point drift
-Good poisoning permanence
-Long life sensor
-Modular design (plug-in)
-Simple maintenance
-Comfortable calibration with selective access release
-Reverse polarity protected, overload protected and short-circuit proof
-(0) 4 – 20 mA / (0) 2 – 10 V analog signal output, selectable
-Serial interface RS-485
-IP65 protected
-Manual calibration via potentiometer (optional)
-Manual addressing at RS-485 mode (optional)
-4 – 20mA analog input for external transmitter (optional)
-Relay output (optional)
-Integrated buzzer (optional)
-LCD display (optional)
-Duct mounting (optional)

Specific References

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