| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability | 1000 Piece/Pieces per Week negotiable | 
| Delivery Time | 5-8 work days | 
| Packaging Details | each unit has individual box and all boxes are packed in standard packages or customers requests available | 
| Response Time | ≦30s | 
| Accuracy | ≦±5% F.S. | 
| Charging time | 6h~8h | 
| Sensor | plug-in electrochemical sensor | 
| Working environment | -20℃~50℃, <95%RH (no dew) | 
| Power Source | DC3.7V Li-on battery, 1800mAh | 
| Model Number | KMCD4 | 
| Certification | CE | 
| Place of Origin | CHINA | 
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 1000 Piece/Pieces per Week negotiable | 
| Delivery Time | 5-8 work days | Packaging Details | each unit has individual box and all boxes are packed in standard packages or customers requests available | 
| Response Time | ≦30s | Accuracy | ≦±5% F.S. | 
| Charging time | 6h~8h | Sensor | plug-in electrochemical sensor | 
| Working environment | -20℃~50℃, <95%RH (no dew) | Power Source | DC3.7V Li-on battery, 1800mAh | 
| Model Number | KMCD4 | Certification | CE | 
| Place of Origin | CHINA | ||
| High Light | KMCD4 Coal Mine Gas Watchdog ,DC3.7V Li-on Battery ,Plug-in Electrochemical Sensor | ||
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
1. High - accuracy gas detection (≤±5% F.S.).
2. Fast response time (≤30s).
3. Multiple alarm types for comprehensive safety.
4. Wide operating temperature range.
5. 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 | 
Company Details
Business Type:
Manufacturer 
Year Established:
2008 
Total Annual:
8000000-10000000
Employee Number:
100~150 
Ecer Certification:
Verified Supplier 
Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of measuring instruments , located in China xi’an City. Since 2008, Xi'an Kacise focused on the development and production of pressure, level and flow measuring instruments . We have been specializing... Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of measuring instruments , located in China xi’an City. Since 2008, Xi'an Kacise focused on the development and production of pressure, level and flow measuring instruments . We have been specializing...
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