Tachometer, 4 Digital LED Display Display Precision Tachometer with Hall Proximity Switch Sensor NPN(Blue) Blue
Tachometer, 4 Digital LED Display Display Precision Tachometer With Hall Proximity Switch Sensor Npn(blue)
Product Features
- Good stability, high precision and strong anti-interference ability
- The external appearance adopts standard size and is convenient to install
- Input pulse signal: NPN/PNP open collector, contact switch, Contactless switch, level pulse
- Input signal voltage: low level: -30V -0.6V, high level: 4-30V
- Measuring range: frequency: 9999 Hz, 999.9 HZ , 99.99 KHZ, automatic switching selection