Usage Tips:85L1 AC Panel Meter Analog Panel Ammeter Dial Current Gauge Pointer Ammeter 1-50A Features: brand The cover of the meter housing is made of transparent plexiglass and white plastic. This series of products is suitable for the display panel and large switch board installed in the control system and distribution system. The variation of the self frequency fixed value is +15%, which causes the error of the indicator value not to exceed the basic error. The mechanical performance can be accelerated to 30 meters per second, the impact frequency is 80-120 times per minute, and the operation position is in two hours. Specifications: Color: white AC ammeter: 0.5-50A can be directly connected. Operating temperature: -20~+50 Operatin humidity: relative humidity85% Accuracy: class 2.5 Withstand voltage: withstand voltage of sinusoidal wave AC 50Hz, 2KV voltage, lasting one minute. Damping time: less than 4 seconds Working position: vertical use Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 AC Ammeter