A compact personal monitor with the facility to detect up to five gases: 0-100% LEL, 0-25% O2 and three toxic gases. Ultra loud audible and bright visual alarms warn the user of rising gas levels. Single button operation makes this the easiest to use personal gas monitor on the market. The unique combination of pump and diffusion sampling allows for pre-entry checks and continuous monitoring within enclosed spaces. The rugged design and powerful alarms make it an ideal partner in arduous conditions.