Bosean CD4 Gas detection alarm instrument DATASHEET
| Brand | Bosean | Model | CD4 |
|---|---|---|---|
| From | China | Name | Gas detection alarm instrument |
Specifications
| 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) |
| Sampling method | diffusion |
| 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 |
| Operating language | Switch between Chinese and English |
| Display | 2.0-Inch LCD display with a resolution of 320 * 240 |
| Alarm method | Sound, light, vibration |
| Alarm method | Four ways of sound and light vibration display |
| Operating Temperature | -20~50℃ |
| Power | 3.7V rechargeable lithium battery, battery Capacity 2000mA |
| Sensors Life | 24 months |
| 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 |
| Environment humidity | 0~95% RH non-condensing |
| Shell material | ABS+PC |
| Dimensions | 130*67*30mm |
| Weight | 400g |
| 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 |
Packing list
Complete-built unit X1, Encasement box X1, Charger X1, Calibration cover X1, Manual X1, Certificate X1, Warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/16138/Specification.html , which is only used by users who purchase commodities from the NBCHAO.
Created on : 2025/12/18