Specifications
| Expansion gas | Supports more than 30 kinds of Sensors, flexible configuration, and can be customized according to customer needs. Default: EX, O2, H2S, CO four kinds of gas |
| EX-range | 0 ~ 100% LEL |
| default precision | EX: 1% LEL, O2: 0.1% vol, H2S: 1ppm, CO: 1ppm |
| Detection Accuracy | ≤ ± 2% FS (depending on Sensors) |
| Sampling method | diffusion |
| Concentration unit | ppm、mg/m3、%VOL、%LEL(可切) |
| Response time | T90<30s |
| Operating language | Switch between Chinese and English |
| Display | 2.4-Inch LCD display with a resolution of 320 * 240 |
| Linear dispersion | Displays the change of gas concentration in the recent period of time, which is convenient for comparative analysis and observation of data changes |
| 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 1800mA |
| 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 |
| password protection | With password protection function and password modification function (default password 0000) |
| Explosion-proof sign | Exib's B T3 Gb |
| Environment humidity | 0~95% RH non-condensing |
| Shell material | ABS+PC |
| Dimensions | 145*69*28mm |
| Show误差 | ≤5%FS |
| Alarm method | LCD display real-time data and system status, Light Emitting Diode, sound, vibration indication alarm, fault and underVoltage |
| Weight | 400g |
| resolution | EX: 1% LEL, H2S: 1ppm, CO: 1ppm, O2: 0.1% vol |
| Low alarm point | EX: 20% LEL, H2S: 10ppm, CO: 50ppm, O2: 19.5% vol |
| High alarm point | EX: 50% LEL, H2S: 35ppm, CO: 150ppm, O2: 23.5% vol |
| CO-range | 0~1000ppm |
| H2S-range | 0~100ppm |
| O2-range | 0 ~ 30% 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
[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/16140/Specification.html , which is only used by users who purchase commodities from the NBCHAO.