Feeler Gauges, Vernier Calipers - AC 85L1 Ampere Ammeter Gauge Current 0-75A Generic brand AC 85L1 ammeter for measuring electric current in AC circuits. Can be used independently or installed in auxiliary panels of low and high voltage switchboards, electrical cabinets, and control boxes for power transmission, power systems, AC power supply, and various electrical control devices. Accuracy class: 2.5 (2.5% margin of error) Damping response time: less than 4 seconds Note: Requires a 5A current transformer (CT) Main material: Plastic, copper wire Color: White Size: Approx. 62 x 60 x 55mm (2.44 x 2.36 x 2.16 inches) Package includes: 1 piece AC ammeter Please allow 1-3mm error due to manual measurement. Actual color may vary slightly due to differences in monitor displays and lighting conditions.