Usage Tips:Item Type: DC Ammeter Material: ABS Model: 85C1-A DC 0-50UA Accuracy Grade: ±2.5% Insulation Resistance: > 20MΩ / DC500V Damping Time: Less than 4s Product Use: Measuring line current Installation Method: Suitable for vertical installation (except for special regulations) Storage Temperature: -40℃-70℃ Working Temperature: -20℃-40℃, Relative Humidity≤85% Insulation Strength: Can withstand a voltage withstand test of 50Hz sine waves AC 2kv voltage lasting 1min Use Scenarios: Voltage stabilizer, power distribution cabinet, test board Size: Approx. 63x56x58mm / 2.5x2.2x2.3in 1、The DC ammeter is mainly used to directly measure the current in the electrical circuit. 2、Adopts pointer dial, the scale is clearly visible, black on a white background, and a red pointer. 3、Wiring terminal, wiring is simple and convenient, embedded installation, beautiful and practical. 4、Simple structure, convenient installation, perfect for voltage stabilizer, power distribution cabinet, test board. 5、It can be used on some electrical equipment and electrical equipment in the power transmission and distribution system.1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1 x DC Ammeter 4 x Stainless Steel Nut 4 x Spring Gasket 6 x Flat Gasket