LCD Digital Dual Display AC 150- 500V Voltmeter 45- 65Hz Frequency Meter, Black, 501 Original

Specifications:Color: 1 (white); 2 (black)Measurement accuracy: 1%± 2bits Display: LCD display, blue backlight, black wordLCD visual size: 48 X 24.5mm/1.89 X 0.96\\\"AC frequency measurement range: 45.0-65.0 Hz,Minimum AC frequency resolution: 0.1HzAC voltage measurement range: AC 150-500VMinimum AC voltage resolution: 1VMeasuring speed: about 2 times per secondOverall size: 70 X 39 X 30mm/2.76 X 1.54 X 1.18\\\"Installation size: 68 X 38mm/2.68 X 1.50\\\"Product weight: 36gExtreme working conditions:Operating temperature: -10 ~ +50 ℃Working humidity: 10 ~ 80% (no condensation)Working pressure: 80 ~ 106kPaSunlight: no direct sunlight exposurePackage Content:1 X Digital Voltmeter Frequency Meter