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ndustrial Scientifi c is pleased to offer the M40, a versatile multi-gas monitor capable of detecting CO, H

2

S, O

2

, and combustible gases for a wide variety of hazardous and confi ned space applications. The M40 is housed in a rugged, impact-resistant case to provide 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, and the M40’s fi ve-second “Off” feature prevents unintentional shut-offs. The unit’s compact size and economical price make it an ideal personal monitoring instrument. 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 carries a two-year warranty. â—� 1 to 4 gas monitoring for O

2

, H

2

S, CO & combustible gases â—� 18-hour runtime with lithium-ion battery â—� Includes vibrating, 90 dB audible, and LED visual alarms

Monitor shown actual size

â—� Two-year, all inclusive warranty SPECIFICATIONS

CASE: High-visibility, impact resistant composite – RFI, EMI and ingress protection tested and approved 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 low-light conditions. DIMENSIONS: 4.30"h x 2.45"w x 1.37"d (10.9cm x 6.22cm x 3.48cm) WEIGHT: 8.6 ounces (244 g) Weight with pump: 11.6 ounces (326 g) 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 pump. SENSORS: The M40 is available in a 1, 2, 3, or 4-gas configuration including oxygen, hydrogen sulfide, carbon monoxide and combustibles /hydrocarbons. DATALOGGING: Up to 75 hours of datalogging capability TEMPERATURE RANGE: -4º to 122ºF (-20º to 50ºC) MEASURING RANGES: CO range: 0-999 ppm in 1 ppm increments H
2 S range: 0-500 ppm in 1 ppm increments O HUMIDITY RANGE: 15 to 95% RH, typical, 0 to 99% RH intermittent (non-condensing)
2 range: 0-30% volume in 0.1% increments Combustibles: 0-100% LEL in 1% increments The M40 features LEL over-range protection IP RATING: IP65 POWER SOURCE: Rechargeable lithium-ion integral battery APPROVALS: UL – Class I, Div. I, Groups A, B, C, D; T4 CSA – Class I, Div. I, Groups A, B, C, D; T4 Cenelec (ATEX) – EEx ia d IIC T4 Australia – Ex ia s Zone 0 IIC T4 RUNTIME: 18 hour – instrument (non-alarm) 12 hour – instrument with pump (non-alarm)
REV1205 INDUSTRIAL SCIENTIFIC OLDHAM ZI EST RUE ORFILA BP 417 62027 ARRAS CEDEX www.oldhamgas.com