Buy Dwyer AQH-20, Handheld Indoor Air Quality Meter

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Model AQH-20 Handheld Indoor Air Quality Meter

Measures CO2, Temperature and Humidity

The Model AQH-20 Indoor Air Quality Meter reduces the number of instruments a contractor has to carry by measuring the carbon dioxide concentration, air temperature, and humidity percentage in one device. A large backlit LCD display shows all three parameters simultaneously. The Model AQH-20 can display dew point or wet bulb temperatures in place of the ambient temperature. Minimum, maximum, and average readings are easily accessible through the function buttons. By pressing the hold key, the current values are held so that they can be recorded. An audible alarm warns the user that the current ambient conditions are becoming hazardous. The Model AQH-20 includes a hard carrying case and batteries.

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Ranges	CO2: 0 to 2000 Temperature: 14 to 140°F (-10 to 60°C) Relative Humidity: 0.0 to 99.9% RH
Accuracy	CO2: ±30 ppm ±5% of reading Temperature: ±0.9°F (±0.6°C) Humidity: ±3% RH (10 to 90%), ±5% (0.0 to 9.9% or 90 to 99.9%)
Resolution	CO2: 1 ppm Temperature: 0.1°F (0.1°C) Humidity: 0.1% RH
Response Time	CO2: < 30 seconds Temperature: < 2 minutes Humidity: <10 minutes
Display	4 digits for temperature/CO2 and 3 digits for humidity
CO2 Sensor	Non-dispersive infrared
Temperature Limits	32 to 122°F (0 to 50°C)
Humidity Limits (Non-Condensing)	0 to 95% RH
Power Requirements	(4) 1.5 V AA alkaline batteries, included, user replaceable
Warm Up Time	30 seconds
Weight	6.76 oz (200 g)
Agency Approvals	CE

Manufacturer List Price:

$460.30

Notes

* Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).

Product Details

Ranges	CO2: 0 to 2000 Temperature: 14 to 140°F (-10 to 60°C) Relative Humidity: 0.0 to 99.9% RH
Accuracy	CO2: ±30 ppm ±5% of reading Temperature: ±0.9°F (±0.6°C) Humidity: ±3% RH (10 to 90%), ±5% (0.0 to 9.9% or 90 to 99.9%)
Resolution	CO2: 1 ppm Temperature: 0.1°F (0.1°C) Humidity: 0.1% RH
Response Time	CO2: < 30 seconds Temperature: < 2 minutes Humidity: <10 minutes
Display	4 digits for temperature/CO2 and 3 digits for humidity
CO2 Sensor	Non-dispersive infrared
Temperature Limits	32 to 122°F (0 to 50°C)
Humidity Limits (Non-Condensing)	0 to 95% RH
Power Requirements	(4) 1.5 V AA alkaline batteries, included, user replaceable
Warm Up Time	30 seconds
Weight	6.76 oz (200 g)
Agency Approvals	CE