DJGvgtf (Used) Projection Ammeter

Technical characteristics: This product is beautiful in appearance, reasonable in structure, easy to use, and has the advantages of high sensitivity, good transparency, and clear projection instructions. structure: The projection ampere meter is mainly composed of a watch case and a meter head. There are three terminals on the watch case, and the three terminals are marked with three symbols: "一", "0.6", and "3A". Use and maintenance: 1. Before use, check whether the pointer is aligned with the zero position. If there is a deviation, use a screwdriver to turn the zero adjustment button to adjust the pointer to the zero position. 2. The meter should be connected in series in the circuit, and the terminal marked with "one" should be connected to the negative pole when used correctly. Estimate the current of the circuit before connecting to avoid overloading and damaging the meter. 3. Do not knock or vibrate violently. This product has been technically appraised and sealed up when it leaves the factory. Do not disassemble the meter head casually. 4. Keep the instrument clean and not be affected by corrosive gas intrusion and strong magnetic field.