Digital LED 4 Tachometer RPM Speed Meter+Hall Sensor Proximity Switch NPN Red/Blue(Red) (Red)
by Hilitand
- HIGH PRECISION: This tachometer has good stability, high precision(±0.1%) and strong anti-interference ability., STANDARD SIZE: The tachometer adopts standard size which is convenient to install and fit for many project., WIDE APPLICATION: Suitable for all kinds of digital instrument display.Can be used for many places., INPUT PULSE SIGNAL: NPN/PNP open collector ,contact switch, non-contact switch, level pulse., WIDE MEASURING RANGE: frequency: 9999Hz, 999.9 HZ, 99.99 KHZ, automatic switching selection.