Cd4 Portable Multiple Gas Detector

We are engaged in exporting excellent quality CD4 Portable Multiple Gas Detector in Jining, Shandong, China.
Product Features:
1. Handheld, industry use, high sensitivity and accuracy
2. Intrinsically safe, Ex sign is Exibda
3. Rugged ABS+PC case, heavy duty, crash resistant
4. High-capacity chip, 4 layers PCB board
5. Visual & audible alarm
6. High & low alarm point, fully adjustable
7. Low battery alarm
8. Rechargeable battery
9. LCD large screen display with Real time clock and status of battery
10. With Stainless Steel belt clip
11. Support data logging function
12. External air sampling pump is available for gas leak detection.
13. Multi gas detector can be made for any 2-5 gases in any combination.

Working Conditions
The gas detectors we designed are widely used in oil&gas, petrochemical, coal mine, residential places, municipal environments and other wide ranges of industry plants.
Technical Parameter:
Gases detectedCH4/LEL, O2, H2S, CO
Measuring rangeCH4: (0.00a 5.00)%Vol
LEL: (0 ~ 100)%LEL
O2: (0~30.0)%vol (0~100)%vol
H2S: (0 ~ 100)ppm
CO: (0~1000) ppm
Resolution ratioCH4: 0.01%vol
LEL: 1%
O2: 0.1%vol
H2S:1ppm
CO: 1ppm
Sensor Electrochemical and catalytic sensors
Sensor lifetimea Y2year( CO, O2, H2S )
a Y1year( LEL, CH4 )
Response timeCH4: a 20S ( T90 )
LEL: a 20S ( T90 )
O2: a 35s(T90)
H2S: a 45S ( T90 )
CO: a 45s (T90)
AlarmsAudible--buzzer with a Y80dB audible
Visible--flashing red LED, a Y20m visible
Alarm pointFully adjustable