Bosean BH-4A Gas Detector 4 in 1

BH-4A portable multi-gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers' life and avoid damage on the relevant equipments.

• Oxygen (O2)
• Carbon Monoxide (CO)
• Hydrogen Sulfide (H2S)
• Explosive gases (EX/LEL/CH4)

Feature :

• Astigmatic design is applied to rugged surroundings
• Continuously gas concentration and composition colorful LCD real-time display
• Rechargeable lithium battery (continuous working period can be 16~18 hours)
• Concentration units ppm and mg/m3 can be switched
• Built-in vibration alarm which is applied for noisy environment
• Two stage alarm threshold: the low alarm and high alarm point can be adjusted
• Simple automatic calibration program and plug-in replaceable sensor
• Fully functional self-testing: sensor, integrity of battery and circuit, acoustic & visual & vibration three-stage alarm
• Portable & light weight