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Battery shelf life: | About 20 hours (when using alkaline dry batteries) |
Calibration: | CO2:0.04 % revise the zero point outdoors, O2:20.9 % revise the zero point outdoors |
Detection accuracy: | CO2:± 30 % rdg (rdg = reading) and O2:± 3 % F.S. (F.S. = full scale) |
Detection range: | CO2:0.04 to 5.00 % and O2:0.0 to 30.0 % |
Alarm mode: | Buzzer, red LED and alarm status prompt on the display, fault alarm, pump abnormal alarm, battery low battery alarm, shutdown alarm, fall alarm (optional) |
Battery capacity: | 3.7 VDC, 10000 mA rechargeable polymer battery with overcharge, over discharge, over voltage, short circuit protection |
Charging interface: | Micro-USB charging interface is designed to be charged anytime, anywhere with common data lines and mobile power |
Communication: | Output RS232, RS485 signal; with PC software to download, store, analyze, print data (optional) |
Alarm mode: | Buzzer, light and alarm status prompt on the display, low battery alarm |
Battery capacity: | 3800 mAh rechargeable lithium battery |
Charging interface: | Micro USB charging interface |
Communication and data download: | It can be directly connected to the computer via USB to quickly download TXT storing data; optional PC software can convert TXT documents to an Excel document |