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![]() Bosean CD4 Gas detection alarm instrument
1680.0 RMB
ChinaDetail
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![]() GaoPin NGP40-M400 Portable multifunctional 4 in 1 Gas Detector
In coming
ChinaDetail
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| Type | Portable | Portable | |||
|---|---|---|---|---|---|
| Number of Gases | Various gases | Various gases | |||
| Sensors | Electrochemistry Catalytic combustion | Electrochemistry | |||
| Gases | H2S CO O2 Miscellaneous | H2S CO O2 Ex | |||
| Sampling Mode | Diffusion | Pump | |||
| Expansion gas | Default: methane, O2, H2S, CO four gases | ||||
|---|---|---|---|---|---|
| CH4-range | (0.00~4.00)% | ||||
| default precision | 甲烷: 0.01%vol, O2: 0.1%vol ,H2S:1ppm, CO: 1ppm | ||||
| Detection Accuracy | Depending on Sensors (Table 1) | ±3%F.S. | |||
| Sampling method | diffusion | pump suction | |||
| Concentration unit | ppm、mg/m3、%VOL、%LEL(可切) | ||||
| Response time | Methane: no more than 20s, oxygen: no more than 35s, carbon monoxide: no more than 45s, hydrogen sulfide: no more than 45s | T90≤20s | |||
| Operating language | Switch between Chinese and English | ||||
| Display | 2.0-Inch LCD display with a resolution of 320 * 240 | LCD liquid crystal display2.31 inch high definition color screen | |||
| Alarm method | Sound, light, vibrationFour ways of sound and light vibration display | ||||
| Alarm method | Sound, light, vibrationFour ways of sound and light vibration display | ||||
| Operating Temperature | -20~50℃ | ||||
| Power | 3.7V rechargeable lithium battery, battery Capacity 2000mA | ||||
| Sensors Life | 24 months | Electrochemistry: 2~ 3 years; catalytic combustion: 3 years | |||
| Charging time | Charging time is less than 7 hours, continuous work for more than 8 hours | ||||
| data storage | 500 sets of data storage | ||||
| data transmission | USB interface data transmission, equipped with PC software, can query and export alarm record data, which is convenient for comparative analysis and observation of data changes | ||||
| Explosion-proof sign | Exib's B T3 Gb | Intrinsically safeExia Ⅱ CT6 | |||
| Environment humidity | 0~95% RH non-condensing | ||||
| Shell material | ABS+PC | ||||
| Dimensions | 130*67*30mm | 160*70*28mm | |||
| Weight | 400g | 300g | |||
| alarm point | Methane: 1.00% CH4, Oxygen: 18.0% O2, Carbon Monoxide: 24x10 ^ -6CO, Hydrogen Sulfide: 50x10 ^ -6H2S | ||||
| CO-range | (0~1000) 10^-6 | ||||
| H2S-range | (0~100)10^~6 | ||||
| O2-range | 0 ~ 25% VoL | ||||
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