1. Pocket sized, compact in size, and easy to use.

Powered by 9V laminated batteries, easy to carry.

3. Suitable for use in situations where monitoring is not continuous. Stable performance with an accuracy of 0.01%.

4. Affordable and practical.

5. Imported high-performance electrochemical oxygen sensors with excellent anti-interference performance

6. Adopting advanced microprocessor technology, fast response speed, high measurement accuracy, good stability and repeatability

7. The testing site has on-site sound and light alarm function, and the gas concentration exceeds the standard and immediately alarms, which is a safety guarantee for dangerous on-site operations

8. On site backlit large screen multi parameter LCD display, visually displaying gas concentration, type, unit, working status, etc

9. Independent chamber, no need for on-site calibration when replacing sensors, automatic identification of key sensor parameters

10. Full range temperature digital automatic tracking compensation to ensure measurement accuracy

11. Full software automatic calibration function, this machine is equipped with standard three buttons to achieve single person single point on-site maintenance of technical parameters