Amp meter: 

1) Operating Diameter: 22mm

2)  Brightness: ≥110cd/m2 , Three LED digits

3) Emitting Color: Red (R), green (G), yellow (Y) , white (W), blue (B)

4) Measuring Range: 0-100A

5) Frequency: 50/60Hz

6) Insulation resistance: More than 20mΩ

7) Operational temperature: -20℃~+55℃

8) Operational humidity: 45% to 90%

9) Pollution grade: 3

10) Protection grade: IP65

11)  Super pure color chips, Top-class quality potentionmeter 

12) 100% Passed 48hours high-low temperature life time testing before shipping 

13) Certificate: CCC, CE, ROHS, ISO9001

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