Shaanxi ASTTAR Explosion-proof Safety Technology Co., Ltd.
Based on the professional fields of explosion-proof and emergency response safety, take the "Safety", "Energy Saving" and "Environment friendly" as the theme to develop relevant industries.
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1. Adopting thermal catalysis and electrochemical sensors, embedded microcontroller intellectual chip and electronic measuring device with LCD display screen, it can real-time detect the concentration of methane, oxygen, carbon monoxide and hydrogen sulfide in ambient air simultaneously.
2. With the function of date, time, temperature and humidity display, automatic backlight, intermittent sound and light alarm, adjustable alarm point and under voltage alarm.
| Main technical parameters | |||||||||||
| Gas Detected | CH4 | CO | O2 | H2S | |||||||
| Measurement range | (0-4)% CH4 | (0-1000) ×10-6 | (0-25)% O2 | (0-100) ×10-6 | |||||||
| Intrinsic error | 0-1 | 1-3 | 3-4 | 0-20 | 20-100 | 100-500 | 500-1000 | 0-5 | 5-25 | 0-49 | 50-100 |
| ±0.1 | Ture value±10% | ±0.3 | ±2 | ±4 | Measurement value ±5% | Measurement value ±6% | ±0.5 | ±3%FS | ±3 | Truth value ±10% | |
| Resolution ratio | 0.01 | 1.00 | 0.10 | 1.00 | |||||||
| Sensor life | ＞1yr (Thermocatalytic) | ＞2 yr(Electrochemistry) | ＞2 yr(Electrochemistry) | ＞2 yr(Electrochemistry) | |||||||
| Response time | ≤20s | ≤45s | ≤35s | ≤45s | |||||||
| Sound intensity level | ＞80dB | ||||||||||
| Battery pack | 1800mAh( Ni-MH) | ||||||||||
| Operating hours |
＞10h | ||||||||||
| Explosion proof type | ExdibⅠMb | ||||||||||
| Dimensions | (65× 125× 32)mm | ||||||||||
| Weight | 0.5Kg | ||||||||||
| Operating environment | Temperature: 0℃ to 40℃; Relative humidity: ≤98%; Atmospheric pressure: 80kpa~116kpa. Wind speed: ≤8 m/s; For the hazardous areas with explosive gas mixture. | ||||||||||
