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MODEL AQH-20
HANDHELD INDOOR AIR QUALITY METER
Measures CO2, Temperature and Humidity
TEST, ADJUST, & BALANCE
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The Model AQH-20 Handheld Indoor Air Quality Meter reduces the number of
instruments a contractor has to carry by measuring carbon dioxide concentration,
air temperature, and humidity percentage in one device. A large backlit LCD shows
all three parameters simultaneously. This product offers user selectable engineering
units, maximum/minimum/average readings, a hold function, and an audible alarm.
BENEFITS/FEATURES
• All-in-one unit for carbon dioxide, temperature, and humidity
• Large backlit LCD for visibility in dark areas
• Usercongurablealarmsforaudibleindicationofhazardousconditions
APPLICATIONS
• Building commissioning
• Green house monitoring
MODEL CHART
Model CO
AQH-20 0 to 2000 PPM 0.0 to 99.9% 14 to 140°F (-10 to 60°C)
2 Range Humidity Range Temperature Range
SPECIFICATIONS
Ranges: CO
humidity: 0.0 to 99.9% RH.
Accuracy: CO
±3% RH (10 to 90%), ±5% (0.0 to 9.9% or 90 to 99.9%).
Resolution: CO
Response Time: CO
Display: 4 digits for temperature/CO
CO
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 s.
Weight: 6.76oz(200g).
2: 0 to 2000 PPM; Temperature: 14 to 140°F (-10 to 60°C); Relative
2: ±30 PPM ±5% of reading; Temperature: ±0.9°F (±0.6°C); Humidity:
2: 1 PPM; Temperature: 0.1°F (0.1°C); Humidity: 0.1% RH.
2: < 30 s; Temperature: < 2 minutes; Humidity: < 10 minutes.
2 and 3 digits for humidity.
2 Sensor: Non-dispersive infrared.
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