Specifications
| Detect gas | CH4, O2, CO2, temperature, underground pressure and atmospheric pressure |
| Optional Sensors | CO, H2S and VOC (vocs) |
| memory | 65000 time/date stamped readings |
| Power Supply | Internal × 2 alkaline battery |
| material | High quality stainless steel |
| Battery life | Approximately 1 month (with hourly sampling of rechargeable batteries) |
| Weight | 6kg |
| Dimension | Overall length 85cm |
| well supervisor | 78cm |
| head diameter | 10.9cm |
| well pipe diameter | 4.3cm |
| Protection level | IP-68 (long immersion in water) |
| Operating temperature | -5~50℃ |
| certification | CE, EMC, ATEX 0105 X, EX II 2G Ex d Type IB [ib] IIB T4 |
| Certification application | Certification application |
Packing list
After-sales instructions
None
[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/18427/Specification.html , which is only used by users who purchase commodities from the NBCHAO.