Power Supply
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Without Display
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16-30VDC/24VAC(1), 3.5W nominal, 4W max.
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Analog Outputs (Analog version only)
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Quantity
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Up to 3 outputs
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Source
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CO2, RH%, Temp, PM, TVOC (selectable)
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Scale
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0-5V, 0-10V, 4-20mA (switch selectable, programmable per output)
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Protocol Output (Communications version only)
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Protocol
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BACnet MS/TP or Modbus RTU
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Connection
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3-wire RS-485, with isolated ground
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Data Rate
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9600, 19200, 38400, 57600, 76800, 115200 (switch selectable)
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Address Range
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0-127
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Relay Set-point (standard except for PM models)
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Type
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Solid-state output, 1A @ 30VAC/DC, N.O.
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Source
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CO2 setpoint, RH setpoint, Temp setpoint, TVOC setpoint, air quality, off (selectable)
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Polarity
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NO/NC (selectable)
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CO2 (optional)
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Type
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Non-dispersive Infrared (NDIR)
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Accuracy
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±(30ppm + 3% of reading) (400-2000ppm), -10-50ºC, 0-85%RH
±(50ppm+ 5% of reading) (2000-5000ppm), -10-50ºC, 0-85%RH
±(50ppm+3% of reading) (2000-5000ppm), @ -10-50C (Dual Channel)
±(100ppm+10% of reading) (5000-10000ppm), @ 0-50C
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Resolution
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1 ppm
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Range
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0-2000 PPM (Default) (Programmable up to 10,000 PPM)
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Response time
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90 seconds to 90% reading
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Sample rate
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1s
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Temp and Pressure
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Compensated. Barometric pressure also readable over communications
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Relative Humidity (optional)
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Type
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Digital CMOS
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Accuracy(2)
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±2% over 0 to 80%RH range
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Resolution
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0.05%RH
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Response time (3)
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30s
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Sample rate
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3s
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Operating range
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0 to 100%RH (non-condensing)
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Operating conditions (4)
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41 to 140oF (5 to 60° C) @ 20% to 80%RH
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Temperature Transmitter (optional)
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Type
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Silicon Band-gap
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Nominal Accuracy
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±0.3° C (operating range)
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Maximum Accuracy (2)
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±0.5° C (at 25° C), ±1.0° C
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Resolution
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0.01° C
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Response time
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30s
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Sample rate
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3s
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TVOC (optional)
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Type
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MOS
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Gas
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Total VOC
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Range
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0-10,000 μg/m3
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Response Time
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<10s
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Accuracy
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±20 μg/m3 + 15% at 1 to 500 μg/m3 (typical)
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Output
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0-2000 μg/m3 (default) Programmable up to 10,000 μg/m3
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PMx (optional)
CLASS 1 LASER PRODUCT
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Type
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Optical
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Size Range
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PM1.0, PM2.5, PM4.0, PM10.0
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Scale
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0-1000 μg/m3
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Lower detection limit
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0.3 μm
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Precision
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±10 μg/m3 (0-100μg/m3); ±10% (100-1000 μg/m3)
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Operating Environment
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Temperature
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-4 to 122oF (-20 to 50oC)
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Humidity
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0-95% non-condensing
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Enclosure
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Material
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ABS Plastic
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Dimensions
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4.0”h x 4.4”w x 2.1”d (AQD: +6.8” probe)
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Compliance
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Agency
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CE, RoHS
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