Description:
It is a high-precision digital speed meter and a proximity sensor. The proximity sensor switch and the motor need to be fixed with a bracket. The more stable the fixing, the month is helpful for stable detection.

Features:
1. The proximity sensor is accurate and the speed measurement is reliable.
2. High speed measurement range.
3. It is an AC controller.
4. It is simple and convenient to install.
5. It has a long service life.
6. LED digital screen display.

Specification:
Product name: AC 110V 220V 4Bit Digital LED Tachometer
Work Voltage: AC 110V-230V
Measuring Range: 10-9999
Measurement Accuracy: +/- 0.1%
Display Refresh Rate: 3 times/sec
Over-range Display: display "----"
Display screen: 4Bit 0.56in Red
Work Temperature: -20℃~85℃
Work Humidity: 10%~85%RH
Display Size: 80*70*28mm
Sensor Size: 56*25*25mm

Package list :
1pcs AC 110V 220V 4Bit Digital LED Tachometer
1pcs NJK-5002C Proximity Sensor
1pcs 10cm XH2.54-3P Cable