N-72HZ Digital Frequency Meter | 3-120Hz 68mm Hole | 73mm LED Hertz Tester

Product Description

Specification:

1. Product size: 73*73*52mm

2. Installation aperture: 68*68mm

3. Input voltage: AC 220V

4. Voltage measurement range: AC 50-500V

5. Frequency compatibility range: 3-120Hz

6. Accuracy: ??2%Hz

7. Display resolution: 1Hz

8. Sampling rate: about 1 time/S

9. Input circuit power consumption: <2VA

10. Prompt message when there is no signal input: display 000

Package includes:

• 1 x Panel LED Display Frequency Meter

Note: This product is forbidden to use in the electric environment with strong frequency conversion, high frequency, inverter and harmonic interference signals! Suitable for sine wave 50-60HZ AC power frequency mains!

Details pictures: