The HHAQ-109 gas concentration meter simultaneously
detects Methane and Carbon
Monoxide making it the ideal
device for detecting gas leaks in
mines, chemical plants, refineries
and construction tunnels.
The HHAQ-109 displays the
current level of each gas as well
as the STEL (short term exposure
limit) and TWA (time weighted
average). Concentration alarms
are programmable in three modes
(audible, visual and vibrating). The
catalytic/electrochemical sensor
uses natural diffusion sampling
(typical sensor life 2 years).
The HHAQ-109 is powered by a
rechargeable lithium-ion battery
and includes the charger.
Specifications Measurement Ranges: CH4: 0 to 100% LEL (lower explosive limit) CO: 0 to 1000 ppm Measurement Accuracy: ±2% of full-scale value Response Time: < 30 seconds to 90% of final value Alert Levels: 200 ppm STEL +
35 ppm TWA for CO, 15 ppm STEL +
10 ppm TWA for H2S High, Low Alarm Ranges: CH4: 25 to 80% LEL with 50% LEL default, 10 to 25% LEL with
20% LEL default CO: 100 to 500 ppm with 200 ppm default, 25 to 100 ppm with 35 ppm default Sensor Type: Catalytic (CH4), electrochemical (CO) LCD Size: 42 mm (15/8") diagonal Enclosure: NEMA 4 (IP65) Operating Life with Fully Charged Battery: 8 hours under non-alarm conditions Operating Temperature: -20 to 50°C (4 to 122°F) @ 5 to 95% RH, non-condensing Dimensions: 116 L x 66 W x 31 mm D (4.6 x 2.6 x 1.2") Weight (with Battery): 200 g (7 oz)
† All dollar amounts on this site are shown in US currency.
Note: Comes complete with meter with built-in Li-ion battery, USB/AC charger, molded case,
universal heavy-duty D-Ring alligator clip, belt clip and operator’s manual.
