Handheld Formaldehyde Meter
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- Tracks, Calculates and Displays Three Cumulative Formaldehyde Gas Metrics
- One-Button Calibration to 0 ppm in Clean Air
- User-Adjustable High Alarm
- Measures Formaldehyde ppm, Relative Humidity (RH) and Temperature in °F or °C
- Manual Off-Settable for Temperature and RH Accuracy
- Min/Max Memory and Data Hold
- Large Backlit Dual- Readout LCD
- Low Battery Indication
- Tripod Mount
HHAQ-108 Model Options
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Measurement Type
Accuracy
Measuring Range
Max Operating Temperature
Supply Power
Features
Display Type
Description
The HHAQ-108 is ideal formeasuring levels of gaseousformaldehyde (HCHO) as partof a workplace indoor air quality(IAQ) maintenance program,or to spot-check a residentialenvironment.The HHAQ-108 features anelectrochemical sensor whichmeasures real-time formaldehydegas concentration with accuracyand resolution that meet U.S.National Institute for OccupationalSafety and Health’s (NIOSH’s)acceptance criteria. It also tracks,calculates and displays threecumulative formaldehyde gasmetrics: 8-hour TWA(time-weighted average), 1-houraverage, and 15-minute STEL(short-term exposure limit). Thedevice is also equipped with atripod mount fitting for handsfree monitoring.
Specifications
Formaldehyde Range/Resolution: 0 to 5 ppm/0.01 ppm*
Formaldehyde Accuracy: ±(5% + 0.03 ppm)*
Formaldehyde Sensor Type Warmup Time: Electrochemical/1 to 15 minutes
Temperature Range: 0 to 50°C (0 to 122°F)
Temperature Accuracy/Resolution: ±1°C (1.8°F)/0.1°
RH Range/Accuracy: 10 to 90% RH/±5% of reading, typical
Display Type/Size: Dual readout LCD/51 mm (2") diagonal
Auto Power-Off Trigger: 15 minutes of front-panel inactivity (can be disabled)
Operating Temperature: 0 to 50°C (32 to 122°F) @ 0 to 95% RH, non-condensing
Dimensions: 210 L x 60 H x 25 mm D (8.3 x 2.4 x 1.0")
Weight: 204 g (7.2 oz) (with battery)
Power Source: 4 “AAA” batteries (included) or optional 110V AC adaptor (HHB400-AC)
* Meets U.S. National Institute for Occupational Safety and Health’s (NIOSH’s) acceptance criteria.
Rated 4 out of
5
by
Mark Hendry from
Great Service
Fast prompt replies with excellent timing in getting items to location considering the difficult time at present
Date published: 2022-03-04
Rated 2 out of
5
by
Robert 75 from
Not So Good
The unit takes a very long time to warm up then switches itself off prior to you being able to calibrate it. It also eats up batteries very quickly so you almost have to use AC power to be able to use it for any length of time.
Date published: 2020-08-24
For which component/gases is the formaldehyde sensor cross sensitive
Thanks for your question. Our Tech Support agent has sent you an email to further advise. Please also view our Product Manual listed on this web page with detailed information about this product and formaldehyde.
Date published: 2019-05-14
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