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NES Series 300 Carbon Monoxide (CO) & Nitrogen Dioxide (NO2) RS-485 Transmitter

NES Series 300 Carbon Monoxide (CO)

DESCRIPTION

The NES Series 300 Carbon Monoxide/Nitrogen Dioxide Transmitters monitor gas concentration in underground parking garages and loading docks. The carbon monoxide transmitter is used to measure the exhaust of gasoline engines, while the nitrogen dioxide transmitter is used for diesel engines. With Dwyer Instruments® technology built in, the NES Series 300 is compatible with either BACnet or MODBUS® communication protocol via RS-485 wire, allowing the transmitters to be used with almost any building management controller.

To maximize the accuracy of the transmitters, the sensors can be field-calibrated using the A-449 remote LCD display (see below). When the sensor reaches the end of its life, the display will indicate that the sensor needs to be replaced.

APPLICATION

To sense carbon monoxide(CO) and nitrogen dioxide (NO2) in a wide variety of commercial and industrial applications, such as vehicle exhaust in parking structures, engine repair shops, tunnels, equipment rooms and ventilation systems, etc., and to transmit to the NES central controller.

FEATURES

SPECIFICATIONS (Wall Mounted)

  • Industrial grade electrochemical sensor means longer sensor life and less frequent sensor replacements.
  • Field replaceable sensors extend transmitter’s working life.
  • Remote LCD display makes select models more cost effective by only needing one display for multiple transmitters.
  • BACnet or MODBUS® communication protocol on GSTC allow for gas sensing solutions to be used with almost any building management controller.

 

View/Download Sensor Spec Sheet

dwyer sensor