De
MA: MFA150187 (National safety sign for coal mining products)
KA: KFA150019 (National safety sign for mining products)
ExibI: 320150857 (Intrinsic safe and explosion-proof products certificate)
Patent No. ZL 2015 2 0975096.3
Introduction:
1. Detect the gas concentration of CH4, H2S. It will cause alarm when concentration is over standard.
2. Alarm is luminescence and voice.
Technology parameters:
1. CH4 (%LEL)
Measuring range |
Intrinsic error |
0~20 |
± 2 |
20~60 |
Truth value ± 10% |
60~100 |
± 6 |
2. H2S (ppm)
Measuring range |
Intrinsic error |
0~49 |
± 3 |
50~100 |
Truth value ± 10% |
>100~1000 |
Truth value ± 15% |
3. Response time: T≤30s
4. Battery: Rechargeable lithium battery.
5. Working time: T≥ 12 hours
6. Recharge time: T≤ 4 hours
7. Data record: data storage, 3000 sets data.
8. Levels of protection: IP65
9. Alarm type: noise, LED light, vibration.