Specifications
| Detect gas | Oxygen (O2) |
| Expansion gas | Optional 1-12 different gases, any combination of various types of Sensors, please check the relevant Gas Detector for specific Sensors parameters |
| Detection method | Pump suction type, built-in powerful vacuum pump, Flow velocity: 500L/min, the maximum pumping distance is more than 30 meters, and it can work in a micro-negative pressure environment |
| Measurement range | 0-1000, 2000, 5000, 10000, 50000PPM, 10%, 25%, 100% VOL optional (depending on the specific Sensors) |
| Resolution | 1ppm、0.01%VOL |
| Detection Accuracy | O2 ≤±1% |
| Response time | ≤ 15 seconds (T90) |
| Linearity | ≤±1% |
| Zero drift | ≤±1%（F.S） |
| Repeatability | ≤±1% |
| Calibrated mode | Adjustment of six target points to fully ensure the Accuracy and linearity of measurement |
| storage mode | Real-time storage, Timer storage can be set; 100000 groups of data can be stored, and historical data can be viewed on the screen |
| Print mode | Optional micro printer print data, can be set: print cycle, automatic printing, manual printing |
| Air pump mode | Standard mode, vacuum mode can be set; can work in micro negative pressure environment, will not affect Sensors |
| Explosion-proof sign | ExdII CT6 (Intrinsically Safe Type) |
| Protection level | IP66 |
| Power | 6000mA rechargeable lithium battery |
| shell material | Pure aluminum + wire oxidation |
| Operating humidity | ≤ 95% RH, non-condensing |
| Working pressure | -20Kpa ～ 100Kpa |
| Sensors | Imported electrochemistry Oxygen Sensors |
| Weight | 2.5 Kg (Net Weight) |
Packing list
machine x1, manual x1, certificate 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/43871/Specification.html , which is only used by users who purchase commodities from the NBCHAO.