• Three-in-one sensor combinations

• LED status indication

• Pre-calibrated to 20 ppm CO or 1000 ppm CO2 levels

• 0-10V or 4-20 mA output

• Optional relay output

• Isolated power and output

• Simple push-button calibration

• Optional LCD display

Supply Voltage:20-28 VAC, 50/60 Hz, or 12-30 VDC, 5 VA @ 24 VAC, reverse polarity protected

Signal Output:4-20 mA (500Ω), 0-10V

Relay Output: Optional, SPST, N.O. 2A @ 24 VAC/VDC

Alarm Relay Setpoint:

CO:Factory set at 20 ppm of CO

CO2:Factory set at 1000 ppm of CO2

Accuracy:

CO:±2.5% full-scale

CO2:±3% of reading or ±40 ppm

Humidity:5% of reading (20% to 80% RH)

VOC:±10% ethanol

Measurement Range:

CO:0-200 ppm

CO2:0-2000 ppm

Humidity:0% to 100%

VOC:0-1000 ppm ethanol

Sensing Technology:

CO:Electrochemical

CO2:Non-dispersive IR (NDIR)

Humidity:Capacitive

VOC: Sintered metal oxide

Visual Indication:LED Flashes above alarm setpoint Display Optional, four-digit LCD

Warm Up Time:<15 minutes (maximum accuracy)

Operating Humidity:0% to 99% RH (noncondensing)

Operating Temperature:32° to 122°F (0° to 50°C)

Enclosure: White ABS

Enclosure Rating:UL 94V-0

Dimensions:

Wall:4.63"H x 2.88"W x 1.0"D (11.8 x 7.3 x 2.54 cm)

Duct Probe: 6" L (15.2 cm), 1.7" (4.3 cm) diameter,

Weight:

Wall:4 oz (0.11 kg)

Duct: 8 oz (0.23 kg)

Warranty: 18 months