4 Digital Red LED Tachometer RPM Speed Meter + Hall Proximity Sw

4 Digital Red LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN
100% Brand New And High Quality
Speed ??range: 99999 ~ 3.8 r / min
Input Power: DC 8 ~ 24V
Output Current: 20mA
Margin of error: ± 0.5 ‰ ~ ± 1.5 ‰ r / min
Display: 4 LED
Dimensions: 78 × 42 × 24mm
Hole size: 76.5 × 39.5mm
Working temperature: -10 ~ 60 ?
Magnet size: φ5mm * 3mm
Sensor probe diameter: φ12mm
Package includes:
1 x Tachometer
1 x Hall NPN proximity sensor
We can also wholesale if you need a large quantity of item please contact us