4 in 1 Gas Detector O2 CO H2S LEL Bosean BH-4A Tester Detektor BH4A

Detektor 4 macam gas dari Bosean. Industrial grade Mendeteksi: 1. Oksigen (O2) 2. Karbon Monoksida (CO) 3. Hidrogen Sulfida (H2S) 4. Gas mudah meledak (EX/ LEL) Features: 1. Astigmatic design is applied to rugged surroundings 2. Continuously gas concentration and composition colorful LCD real-time display 3. Rechargeable lithium battery (continuous working period can be 16~18 hours) 4. Concentration units ppm and mg/m3 can be switched 5. Built-in vibration alarm which is applied for noisy environment 6. Two stage alarm threshold: the low alarm and high alarm point can be adjusted 7. Simple automatic calibration program and plug-in replaceable sensor 8. Fully functional self-testing: sensor, integrity of battery and circuit, acoustic amp; visual amp; vibration three-stage alarm; 9. Portable amp; light weight Specification Operating amp; Storage Environment Temperature: -20C~55C Humidity: 5%-95% Pressure: 95~110kPa Sampling method: Diffusion type Detecting Range H2S:0~100 PPM O2: 0~30%vol Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL Sensor O2 /H2S / CO: plug-in electrochemical sensor Combustible gas (LEL): plug-in catalytic combustion sensor Alarm Type low amp; high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm Resolution 0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) Accuracy 3% F.S Response time 10s Repeatability 1% Zero drift 1% Display Alphanumeric large LCD displays the real time gas concentration and alarm stage Backlight Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down. Self-checking Function Self-checking Battery power, display, sensor, hardware failure Explosion-proof Protection grade IP65 Power Supply: Rechargeable lithium battery Weight: 400g Dimensions: 130mm*67mm*30mm