Crowcon Gas-Pro MED Portable Gas Detector - 4-Gas, CH4 %LEL, O2, CO, H2S,  (2 Model In This Family). Pumped with Charger and Cradle. Compact and rugged, the Crowcon Gas Pro MED Personal Gas Detector is a portable methane and oxygen monitor with an internal pump that is activated with the flow plate allowing it to be worn in pumped or diffusion modes and enabling easy pre-entry testing. Automatic fail-safe flow plate recognition also improves the ease of pre-entry testing; the Crowcon Gas Pro MED Personal Gas Detector offers both Specific and Unique Pre-entry Check modes. Readings are indicated on the top-mounted, easy-to-read display. This, along with the Crowcon Gas Pro MED Personal Gas Detector’s IP65/67-rated dust and water resistance, makes it ideal for use in confined spaces. Furthermore, its reliable lithium-ion battery provides over 14 hours of operating time from a 7.5-hour charge. Ease of operation is at the forefront of the Crowcon Gas Pro MED Personal Gas Detector’s design. It supports multiple languages and delivers intuitive functionality thereby reducing training time. The Crowcon Gas Pro MED Personal Gas Detector also provides bump and calibration reminders to ensure you are always working accurately and reliably. The Crowcon Gas Pro MED Personal Gas Detector is a portable, precise, professional-grade methane and oxygen monitor.