Description

Carbon Monoxide Transmitter with BACnet & Modbus Communication

Specifications

Sensor:

Field replaceable electrochemical, 4 years typical lifespan.

Range:

CO: 0 to 500 PPM, NO2: 10 PPM.

Output Drift:

<5% per year in air.

Coverage Area:

5000 to 7500 sq ft typical.

Accuracy:

CO: 2% FS, NO2: 3% FS, at the time of calibration.

Resolution:

CO: 1 PPM; NO2: 0.1 PPM.

Temperature Limits:

-4 to 122°F (-20 to 50°C).

Storage Temperature:

For best sensor life, 32 to 68°F (0 to 20°C).

Humidity Limits:

15 to 90% RH constant; 0 to 99% RH intermittent.

Response Time:

<45 s to 90% CO, <25 s to 90% NO2.

Span and Zero Adjustment:

Via pushbutton, using optional A-449 display. Zero only via BACnet or MODBUS® communication protocol.

Housing:

UV resistant glass filled polycarbonate.

Output Signals:

BACnet MS/TP, MODBUS® RTU, or MODBUS® ASCII (switch selectable) communication protocol.

Power Requirements:

10 to 36 VDC or isolated 21.6 to 33 VAC.

Electrical Connection:

Removable terminal block, knock outs for conduit fitting.

Calibration:

Via pushbuttons using A-449 auxiliary display. Span gas concentration is field selectable.

Enclosure Rating:

IP64.

Weight:

1 lb (0.45 kg).

Agency Approvals:

CE.