خصوصیات1.OLED display can continuously show gas concentration in real time .
2. English menu operation mode .
3. Automatic zeroing calibration when starting up (It can be set to on/off).
4. It offers a variety of concentration units that can be switched .
5. Fall alarm function (It can be set to on/off) .
6. The display can be invert .
7. Compact, light weight, easy to carry .
8. With sound, light, vibration of three alarm modes .
9. With alarm types of low limit, high limit, STEL, TWA .
10. It supports changing alarm points .
11. The sensor has temperature compensation .
12. Detecting and displaying temperature .
13. Reminder of calibration’s overdue .
14. Starting up self-test, including sensor, circuit board, light and alarm test.
15. Rechargeable lithium-ion polymer battery .
16. Anti-fall, anti-static shell.
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