M40 Multi-Gas Monitors

Small in Size; Big in Value

Receive continuous and simultaneous gas concentration readouts of up to four gases on a large, backlit LCD.
Monitors feature peak/hold readings and 75-hour datalogging, plus high/low, STEL, TWA and low-battery alarms. 90dB audible alarm, ultra-bright LED visual alarm and vibrating alarm warn when dangerous levels of gas are detected. Rechargeable Li-ion battery lasts up to 18 hours. Dimensions: 4.3"H x 2.45"W x 1.37"D; weighs 8.6 oz. Monitors include a high-visibility and impact-resistant composite case, compact charger, calibration cup, tubing, belt clip, maintenance tool and instruction manual. Sensors must be replaced by an authorized service center.