Watchman® Multigas Monitor is a durable, hand-held instrument used to detect and monitor combustible gases, oxygen and toxic gases in workplace atmospheres, especially in confined spaces such as manholes, storage tanks, tank cars, vaults, mines and sewers.
The Watchman® Multigas Monitor has only three buttons. Its back-lit liquid crystal display (LCD) continuously provides readings from all sensors. When a preset alarm condition is detected by any sensor, an internal horn activates and two bright red warning lights flash. The combustible sensor uses MSAs LockalarmT Circuit. If the combustible gas level reaches 100% of the Lower Explosive Limit (LEL), the alarm locks and cannot be reset until the user moves to fresh air, turns the unit off and back on again.
Approvals and Standards
The Watchman® Multigas Monitor meets intrinsic safety testing requirements for use in Class 1 Division 1, Groups A, B, C and D; Class II Division 1, Groups E, F, G; and Class III hazardous locations.
Oxygen Deficiency Chemical
Oil and Gas
Paper & Pulp
MSA's business is safety. They've been the world's leading manufacturer of high-quality safety products since 1914. MSA products may be simple to use and maintain, but they’re also highly-sophisticated devices and protective gear - the result of countless R&D hours, relentless testing, and an unwavering commitment to quality that saves lives and protects thousands of men and women each and every day. Many of MSA's most popular products integrate multiple combinations of electronics, mechanical systems, and advanced materials to ensure that users around the world remain protected in even the most hazardous of situations.
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