Dwyer A-449 Remote Display

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  • Span & zero adjustment
  • Mini USB connection

This product is an accessory for the following products:

Dwyer CDT Carbon Dioxide & Temperature Transmitter
NDIR CO2 Sensor, Universal Outputs, accurately monitor the CO2 concentration and temperature in indoor environments
Dwyer CDTR Carbon Dioxide / RH / Temperature Transmitter
NDIR CO2 sensor, universal CO2/RH outputs, replaceable humidity / temperature sensors
Dwyer GSTA & GSTC CO / NO2 Gas Transmitters
Carbon monoxide & nitrogen dioxide transmitters with field selectable analog or digital outputs & long life electrochemical sensor

The Dwyer A-449 remote display allows users to field calibrate GSTA and GSTC carbon monoxide and nitrogen dioxide gas transmitters. The mini USB connection plugs directly into the electronics board and allows for span and zero adjustment. When the electrochemical sensor reaches the end of its life, the A-449 display will indicate that the sensor needs to be replaced.