4 in 1 Gas Detector O2 CO H2S LEL Bosean BH-4S Hidrogen Monitor Tester

Ready Stock, 100% ORIGINAL BOSEAN Detektor gas 4 in 1 dari Bosean, yang adalah pabrikan spesialis fokus di detektor gas. Mendeteksi gas O2, CO, H2S dan LEL dalam satu alat Tipe ini adalah seri atas dari Bosean, industrial grade, dan bisa koneksi ke PC Main Features 1) Advanced MCU control with low power consumption 2) Adjustable low and high alarm level 3) Adjustable calibrating level 4) High concentration protection for combustible gas 5) Self test for the combustible gas sensor 6) Low battery indication 7) Replaceable sensor module 8) Self-adjustment function 9) Visual and audible alarm with vibration 10) STEL and TWA alarming for toxic gases 11) Advanced self-examination and self-renovation function 12) Password management to avoid wrong operation 13) Explosive proof housing Specification: Detection shows: temperature, time, O2, EX, H2S, CO Detection method: Diffusion type Unit switch: ppm / mg / m³ switch to each other Alarm mode: sound, light, vibration, display Power: DC 3.7V Power supply: rechargeable 3.7V lithium battery Battery working time: continuous work is greater than 8 hours Working temperature: -20 C ~ 50 C Sensor life: two years Explosion-proof mark: Exib IIB T3 Gb Protection class: IP65 Record storage: 500 groups of alarm records