Supply Voltage: 18-28 VAC @ 2.5 VA, 50/60 Hz or 18-30 VDC @ 104 mA

VOC: 18-28 VAC @ 4 VA, 50/60 Hz or 18-30 VDC @ 166 mA

Accuracy:

CO: ±2.5% full scale

CO2: ±3% of reading or ±40 ppm

RH: 5% of reading 20% to 80% RH

VOC: ±10% ethanol equivalent

Signal Output: Analog 4-20 mA @ 600O, 0-10V

VOC: Stepped output (4, 12, 20 mA)

(0, 5, 10V)

Measurement Range:

CO: 0-200 ppm

CO2: 0-2000 ppm

RH: 0 to 100% RH

VOC: 0-1000 ppm ethanol equivalent

Sensing Technology:

CO: Electrochemical

CO2: Non-dispersive IR (NDIR)

RH: Capacitive

VOC: Sintered metal oxide

Visual Indication: LED Flashes above 20 ppm of CO. Display Optional, four-digit LCD

Warm Up Time: <15 minutes (maximum accuracy)

Relay Output: Optional, SPST 2A @ 24 VAC/VDC, closes >20 ppm

Alarm Auditory Levels Db: Optional, 65 dB, set at 20 ppm of CO

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

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

Dimensions:

Wall: 4.5"H x 2.8"W x 1.0"D (11.4 x 7.3 x 2.54 cm)

Duct: 4.5"H x 2.8"W x 6.9"D (11.4 x 7.3 x 17.5 cm)

Duct Probe: 1.7" (4.3 cm) diameter, 6.25" (15.9 cm) long

Weight: Wall: 0.3 lb (0.14 Kg), Duct: 0.55 lb (0.25 Kg)

Warranty: 1 year