Meter mechanism using magnetic structure of the tensile spring wire support, rotating friction-free, operation reliable
Anti-high mechanical impact, operating good under condition of vibration in acceleration: ≤ 0.7g
Instrument accuracy: Frequency meter is 0.5, power factor meter is 3.0, others is 1.5
Pointer opening angle: 240 degrees
Working environment temperature: -25 to +55° C
