9
3. If the instrument appears abnormal, first press the reset button to reset the instrument.
4. The maintenance of the instrument must be carried out by professionals, and it is not
allowed to handle it by yourself.
5. This instrument is used to measure loop resistance, and it is not allowed to measure
inductive loops.
Ⅷ
.After-sales service
The instrument will be repaired and replaced free of charge for product quality problems
within one year from the date of purchase, and will provide lifetime warranty and technical
services. If you find that the instrument is abnormal or malfunctioning, please contact the
company in time to arrange the most convenient solution for you.