Features DC ammeter, mainly used to directly measure the current in the electrical circuit. Wiring terminal, wiring is simple and convenient, supports built-in installation, safe and reliable. It can be used on some electrical equipment and electrical equipment in the power transmission and distribution system. Clear scale, the dial adopts silk printing technology, black characters on white background, red pointers for easy reading. Simple structure and convenient installation, suitable for voltage stabilizer, power distribution cabinet, test board, etc. Specification: Item type: pointer ammeter Material: ABS Model: 85C1-A DC 0-30MA Degree of accuracy: ±2.5% Insulation Resistance: >20MΩ/DC500V Damping time: less than 4s Product use: line current measurement Installation method: Suitable for vertical installation (except special regulations) Storage temperature: -40℃-70℃ Operating temperature: -20℃-40℃, relative humidity≤85% Insulation force: can withstand a sine wave voltage resistance test of 50Hz of AC voltage 2kv with a duration of 1min Use scenarios: voltage stabilizer, power distribution cabinet, test board Size: approx. 63 x 56 x 58 mm/2.5 x 2.2 x 2.3 inches Package list: 1 x DC Ammeter 4 x stainless steel nut. 4 x spring gaskets. 6 x Flat Seal Note: 1. Please allow for a 0-1 inch error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated the same, the colour of the item shown in the photos may be slightly different from the actual item. Please take the real one by default. Package List 1 x DC Ammeter 4 x Stainless Steel Nut 4 x Spring Gasket 6 x Flat Gasket