When the DC resistance tester arrives, make necessary checks. Before unpacking, make sure that the arrow mark on the outer package of the device faces up. Do not knock hard when unpacking the device to avoid damage. Unpack the equipment and keep the outer packaging and shock absorption items of the equipment, which is convenient for your future use in transportation and storage and plays a role in protecting the environment. Unpack the equipment and check the equipment and accessories according to the packing list. If you find any missing, please contact the manufacturer immediately.

In everyday use, for transportation and storage of dc resistance tester and equipment using two important links, when equipment to transport, it is recommended to use our company instrument packaging wooden box and damping materials, in order to avoid unnecessary damage in transit, do not use wooden cases in transit, do not allow the stack emissions, transport equipment, instrument panel should be facing up. In daily storage, attention should be paid to placing it in a dry, dust-free, ventilated and non-corrosive gas room. In the case of no wooden box packaging, stacking is not allowed to discharge. When storing, the panel should be upward, and moisture-proof items should be placed at the bottom of the equipment to prevent the equipment from being affected by moisture.

Before use, dc resistance tester should do enough preparation work, understand the key points should pay attention to in use. Read the product instructions carefully before using the DC resistance tester, and operate in strict accordance with the instructions to prevent accidents. Dc resistance tester operators should have the common sense of general electrical equipment or instruments, for its maintenance care and adjustment should also be carried out by professionals.

Dc resistance tester should avoid violent vibration, and should avoid rain, corrosive gas and other places to use. When the DC resistance tester is tested, it is necessary to turn off the power and remove the test line after the discharge alarm sound stops. During the test, do not move the test clip and power supply line, measure the no-load voltage regulator transformer, be sure to switch gear after the discharge indicator alarm tone stops. For the sensitive test object, it is not allowed to remove the test line before discharging the power, so as to avoid electric shock. During the test, when external AC220V is suddenly powered off, the instrument will automatically discharge. At this time, it is not allowed to remove the test line immediately, and the line can be removed after 5 minutes.