1. If the machine is damaged or deformed when unpacking, please do not use it.
2. Be careful not to let dust, wire ends, iron filings or other things enter the machine during installation and setting, otherwise erroneous actions or malfunctions will occur.
3. The wiring must be correct and must be grounded. Failure to ground may cause electric shock, erroneous operation accident, abnormal display or large error in measurement.
Fourth, regularly check the screws and fixing brackets, please do not use it in a loose situation.
5. In order to prevent electric shock or malfunctions and malfunctions, please do not connect the power supply until the installation and wiring are completed.
Sixth, in the operation of the instrument, before setting, signal output, starting, stopping and other operations, the safety should be fully considered. Wrong operation will damage or malfunction the working equipment.
7. Use a dry cloth to wipe the meter. Do not use alcohol, gasoline or other organic solvents. Do not splash water on the meter. If the meter is immersed in water, stop using it immediately, otherwise there is a risk of electric leakage, electric shock or fire.
8. The internal parts of the instrument have a certain life span. In order to continue to use the instrument safely, please carry out regular maintenance and maintenance.
Nine, the ventilation holes of the body should be kept unobstructed to avoid malfunctions, abnormal movements, reduced life and fire.
10. During the operation of the instrument, the power input terminal cover must be installed on the terminal board to prevent electric shock.
11. The large walk-in laboratory is a non-explosion-proof product. Please do not use it in an environment with flammable or explosive gases.
12. Unauthorized disassembly, processing, transformation or repair of large walk-in test rooms is prohibited, otherwise there will be danger of abnormal movement, electric shock or fire.
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