M40M - MSHA-approved multi-gas detector for mining

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1-4 Gas monitor (O2, H2S, CO, CH4)
MSHA-approved for use in mines
75 Hours datalogging capacity
M•Cal™ Calibration Station compatible

Overview
Features
and Benefits
Specification
Ordering
Information

M40m

O2, H2S, CO, CH4, LEL

The M40•M multi-sensor monitor is designed for use in mines and other work environments to assure optimum personal protection against hazardous levels of oxygen (O₂) and methane gas (CH₄), as well as toxic levels of carbon monoxide (CO) and hydrogen sulfide (H₂S).

The M40•M is housed in a rugged, impact resistant case. The case provides superior performance and durability in harsh environments, and resistance to radio-frequency and electromagnetic interference. Its four-button interface provides simple, intuitive operation and calibration. The M40•M’s five second “Off” feature prevents unintentional shut-offs. Other standard features include a vibrating alarm, lithium-ion battery, peak/hold readings, large LCD, 75 hour datalogging capacity, and belt clip. An optional compact parasitic sampling pump enables remote sampling from up to 50 feet away. The M40•M carries a two-year warranty.

Feature	Benefit
Compact, light, rugged ABS case	Compact size provides reliable performance that won’t weigh you down. The 8.6 oz. unit fits in the palm of your hand or clips to pocket, hardhat or belt. Rugged ABS construction provides durable protection against impact or drops.

Li-ion battery pack	Provides longer runtimes, with or without the pump. Quickly recharge the batteries right in the unit.

Standard datalogging	Internal memory can record up to 75 hours of exposure data for record-keeping.

Quick calibration	Saves time by calibrating all sensors at once. Reduces costs compared to standard calibrations by lowering amount of gas used for each calibration.

Graphical LCD	LCD provides simultaneous readings of all gases being monitored. Graphical operating icons display battery charge status, missing sensor conditions and other relevant data.

Vibrating alarm	Additional warning feature that alerts user of alarm conditions in noisy environments.

Visual and audible alarms	Bright LED visual alarm and 90 dB audible alarm provide additional protection in hazardous conditions.

Case:

Rugged, impact resistant composite – RFI, EMI and ingress protection tested and approved

Dimensions:

4.30" x 2.45" x 1.37" (10.9cm x 6.22cm x 3.48cm)

Weight:

8.6 ounces (244 g)
Weight with pump: 11.6 ounces (326 g)

Sensors:

The M40•M is available in a 1, 2, 3, or 4-gas configuration including oxygen, hydrogen sulfide, carbon monoxide and methane.

Measuring Ranges:

Gas	Symbol	Range	Increments
Carbon Monoxide	CO	0-999 ppm	1 ppm
Hydrogen Sulfide	H₂S	0-500 ppm	1 ppm
Oxygen	O₂	0-30% of volume	0.1%
Methane	CH₄	0-5% of volume	0.1%
The M40•M features over-range protection

Power Source:

Rechargeable lithium-ion integral battery

Runtime:

18 hour – instrument (non-alarm)
12 hour – instrument with pump (non-alarm)

Display:

Large LCD provides simultaneous and continuous readout of up to all four gases.
Large, high-contrast characters, graphic icons and unique amber backlight provide clear display visibility in underground conditions.

Alarms:

Vibrating, 90 dB audible and ultra-bright LED visual alarms.
High/low, STEL, TWA and low battery alarms.
Flow alarm indicator when used with optional SP40•M pump.

Datalogging:

Up to 75 hours of datalogging capability

Temperature Range:

-20ºC to 50ºC (-4ºF to 122ºF)

Humidity Range:

15 to 95% RH, typical, 0 to 99% RH intermittent (non-condensing)

IP Rating:

IP64

Approvals:

MSHA – Intrinsically safe for methane/air mixtures only

Price Sheets Where to Buy

Part Number	Description
M40•M⁺
18105940-01111	M40•M – O₂, CH₄, CO, H₂S
18105940-01110	M40•M – O₂, CH₄, H₂S
18105940-01101	M40•M – O₂, CH₄, CO
18105940-01100	M40•M – O₂, CH₄
18105940-00100	M40•M – CH₄

M40•M + SP40•M Sampling Pump⁺⁺
18105957	SP40•M Motorized Sampling Pump
18105940-11111	M40•M/ SP40•M Pump Combination – O₂, CH₄, CO, H₂S
18105940-11110	M40•M/ SP40•M Pump Combination – O₂, CH₄, H₂S
18105940-11101	M40•M/ SP40•M Pump Combination – O₂, CH₄, CO
18105940-11100	M40•M/ SP40•M Pump Combination – O₂, CH₄

M40•M Confined Space Kit⁺⁺⁺
M40MKIT-11111	M40•M Confined Space Kit (w/ Pump) – O₂, CH₄, CO, H₂S
M40MKIT-11110	M40•M Confined Space Kit (w/ Pump) – O₂, CH₄, H₂S
M40MKIT-11101	M40•M Confined Space Kit (w/ Pump) – O₂, CH₄, CO
M40MKIT-11100	M40•M Confined Space Kit (w/ Pump) – O₂, CH₄

⁺All monitors include:	⁺⁺All monitors/pump combinations include:	⁺⁺⁺All confined space kit combinations include:
• compact charger • calibration cup • tubing • leather carrying case • cell-phone style belt clip • instruction manual	• compact charger • calibration cup • tubing • cell-phone style belt clip • instruction manual • combo monitor/pump leather carrying case	• compact charger • calibration cup • tubing • utility case • gas cylinder • cell-phone style belt clip • regulator valve • water barrier assembly • filter • instruction manual • combo monitor/pump leather carrying case

Price Sheets Where to Buy

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