Four M40 portable gas detector TM the M40pro

Four M40 portable gas detector TM the M40pro a housing material: waterproof shell with a solid polycarbonate housing, with anti-impact protection kits, anti RFI colors: a new generation of M40PRO provide dazzling bright yellow, as in dim work environments bring a more intimate user experience. Two .M40PRO multiple versions are available: 1, with standard lithium diffusion plate 2, diffused lithium battery with an enhanced version 3, pump-priming portable lithium battery with an enhanced version M40 Quad gas detector TM the M40pro three .M40PRO dimensions: Diffused version size: 4.1 × 2.3 × 1.2 英寸 103.mm × 58mm × 30mm Weight: 6.4 ounces (182 grams) pump-priming version size: 6.8 × 2.6 × 2.6 inches Weight: 13.4 ounces (380) Sensor: oxygen and toxic gases - Electrochemical theory methane / Combustible Gas - Catalytic combustion principle gas detection range: gas type Range Resolution Accuracy Response time T50 T90 response time of oxygen O2 0-30% by volume 0.1% by volume 0.5% 15 seconds 30 second carbon monoxide CO 0-1000ppm 1ppm 5.0% 15 seconds 30 seconds Hydrogen sulfide H2S 0-500ppm 0.1ppm 5.0% 15 seconds 30 seconds methane / LEL 0-2.5% by volume 0.01% by volume 5.0% 15 seconds 30 seconds 1 0-100% by volume % LEL Working temperature: -20 ℃ to 50 ℃ -4 ℉ 122 ℉ Humidity: 15% -90% RH (fly condensed continued) Power / Running time: Standard rechargeable lithium-ion battery; M40PRO-12 小时 enhanced version Rechargeable lithium-ion battery: M40PRO-20 小时 M40PRO 12 hours with pump Charging time: Advantage Standard rechargeable lithium-ion battery <5 hours Enhanced Rechargeable lithium-ion battery <7 hours M40PRO four are gas detector: M40PRO smaller, lighter! M40 Size: 109 × 62.2 × 34.8 mm Weight: 244 g M40PRO size: 103 × 58 × 30 mm Weight: 182 g new integrated pump! 33 m remote sampling! Four M40 portable gas detector TM the M40pro