User's Manual

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service.
2) The maintenance of this equipment is limited to qualified personnel designated by the
manufacturer. Users should not repair the equipment by themselves.
3) When the device prompts that the battery is low, use a power source that meets the
USB specification to charge in time. If the battery is found to be used for too short a time,
you should stop using the device and contact after-sales customer service.
4) Please use it in the specified working environment, keep the operating environment
clean, free of corrosive or combustible substances, and free of excessively high or low
temperature and humidity.
8.2 Work, storage and transportation requirements
8.2.1 Working environment
The device needs to work under the following environmental conditions:
Temperature: +10 ℃～+34 ℃
Rel. humidity: 15%RH～95%RH
Ambient pressure: 700hPa ~ 1060hPa
If it exceeds the above working environment, it will affect the measurement performance
of the product.
8.2.2 Transport and storage environment
The device should be transported and stored under the following environmental
conditions:
Temperature: -20 ℃～+50 ℃
Rel. humidity: 15 % RH～95% RH
Ambient pressure: 600hPa～1200hPa
Clean room without corrosive gas and well ventilated.
8.2.3 Transportation requirements
The following requirements must be met when transporting the device:
1) Avoid heavy objects squeezed;