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| Categories | Instruments& Meters |
|---|---|
| Place of Origin: | Shaanxi |
| Model Number: | CD4 |
| Delivery: | China main port |
| MOQ: | 1PC |
| Packaging Details: | Carton |
| Brand Name: | ASTTAR |
| Certification: | MA KA |
| Delivery Time: | 1-2 days for ready goods, 2-4 weeks for bulk order |
| Payment Terms: | T/T, western union |
| Supply Ability: | 5000pcs/month |
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. | ||||||||||
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