A flexible multi-gas monitor that can detect for CO, O2, H2S and combustible gases, the Industrial Scientific M40 will work for many confined space and hazardous workplace applications.

Features and Benefits
- Rugged, impact resistant construction
- Lightweight at 8.6 oz. (244 g)
- Small size at 4.3″ x 2.45″ x 1.37″
- Simple and intuitive 4-button interface for operation and calibration
- Temperature range of 20C to 50°C
- Datalogging capability of 75 hours
- Vibrating alarm, 90 dB audible alarm and LED visual alarms
- Large LCD screen with graphical icons
- Belt Clip
- Rechargeable Lithium-Ion battery (18 hours typical run time)
- Two year warranty
- Measuring Ranges:
- Combustibles – 0 to 100% LEL in 1% increments
- Methane – 0 to 5% of volume in 0.1% increments
- Oxygen – 0 to 30% of volume in 0.1% increments
- Carbon Monoxide – 0 to 999 ppm in 1 ppm increments
- Hydrogen Sulfide – 0 to 500 ppm in 1 ppm increments
