CD4 Multigas Detector Product Description 

 Simultaneous detection of methane (CH4), carbon monoxide (CO), oxygen concentration (O2), hydrogen sulfide (H2S) 
 Application areas: petrochemical, coal, metallurgy, chemical, municipal gas and a variety of places on-site detection. 

 CD4 Multigas Detector performance characteristics 

 Measurement principle of catalytic combustion sensor (CH4) 
 Electrochemical sensors (CO, O2, H2S) 
 Measurement of the gas methane (CH4), monoxide (CO) 
 Oxygen (O2), hydrogen sulfide (H2S) 
 Measurement mode diffusion measurement methods 
 Measuring range CH4: 0 to 4.00% CH4 
 O2: 0 ~ 25.0% VOL 
 CO: 0 ~ 1000ppm 
 H2S: 0 ~ 100ppm 
 Measurement accuracy CH4: ± 10%, O2: ± 0.7% VOL 
 CO: ± 5%, H2S: ± 5% 
 Alarm point setting adjustable full scale 
 Battery power display function of real-time display battery 
 Display with sound and light alarm highlighted digital display, alarm sound level of 80dB 
 Resolution CH4: 0.01% CH4, O2: 0.1% VOL 
 CO: 1ppm, H2S: 1ppm 
 Full charge for more than 15 hours of continuous work 
 Power 3.6V rechargeable lithium battery 
 Temperature / humidity 0 ~ 40 ℃ / ≤ 98% 
 Dimensions / Weight 105 (L) x 56 (W) x 28 (H) mm/250g 
 The explosion-proof type ibdI (150 ℃) Earthquake antistatic ABS cases 
 The standard configuration of the host, charger, holster, manual, qualified, warranty card 
 Automatic zero and calibration 
 Backlight display