KMCD4 Coal Mine Gas Watchdog
Introduction
The Coal Mine Gas Watchdog: KMCD4 is specifically designed for coal mine safety. It can detect multiple gases with an accuracy of ≤±5% F.S. and a response time of ≤30s. The full - function design is easy to operate. It has various alarm types, including low & high alarm and multiple gas alarm. Operating in a wide temperature range of - 20℃~50℃, it's powered by a DC3.7V Li - on battery, providing over 8 hours of continuous work.
Product Features
- High - accuracy gas detection (≤±5% F.S.).
- Fast response time (≤30s).
- Multiple alarm types for comprehensive safety.
- Wide operating temperature range.
- Long - lasting battery power for continuous work.
Technical Parameters
| Accuracy |
≦±5% F.S. |
| Response Time |
≦30s |
| Indication |
LCD displays real-time and system status;LED, audio and vibration alert for gas leakage, fault and low voltage. |
| Sensor |
plug-in electrochemical sensor |
| Alarm Type |
low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
| Working environment |
-20℃~50℃, <95%RH (no dew) |
| Power Source |
DC3.7V Li-on battery, 1800mAh |
| Charging time |
6h~8h |
| Working time |
≧8h continuously (without alarming) |
| Resolution |
0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) |
| Self-checking Function |
Self-checking Battery power, display, sensor, hardware failure |
| Gas Sensor Life |
2 years |
| Explosion-proof grade |
Ex ib llC T4 Gb |
| Protection Grade |
IP66 |
| Weight |
Appr. 400g (with battery) |
| Dimensions |
130mm×67mm×30mm(L × W × H) |
Specifications
| Model |
Range |
Resolution |
L-alarm |
H-alarm |
| CO |
0-1000ppm |
1ppm |
50ppm |
150ppm |
| O2 |
0-30%vol |
0.1%vol |
0 |
0 |
| H2S |
0-100ppm |
1ppm |
10ppm |
35ppm |
| CH4 |
0-5%vol |
0.01%vol |
1vol |
2.5vol |