Attention !
Use with caution !
Please carefully read this manual prior to operating this product.
Do not open or modify any hardware which may lead to irrecoverable
damage.
Do not use this product if you suspect any malfunctions or defection.
Do not use this product for corrosive media or in a strong vibration
environment.
Use this product according to the specified parameters.
Only the trained or qualified personnel shall be allowed to perform
product services.
Be cautious for the electrical safety, even it operates at a low voltage,
any electrical shock might lead to some unexpected damages.
The gas to be measured should be clean and free of particles. Do not apply
this meter for liquid medium.
Do not apply for any unknown or non-specified gases that may
damage the product.
For wireless data with NB-IoT, please be sure the network is available.