4 Digital LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN

Feature

1. 100% brand new and high quality.
2. 4-digits display, clear and easy for readings.
3. Mini size, high performance and fast reaction speed.
4. With good stability, high accuracy, anti-interference ability.
5. Using the latest A/D conversion chip, high stability reference IC and stick chip components.
6.  It can be applied to voltage and current measurement, also can be an external sensor to measure temperature, pressure, displacement and other physical quantities.
7.  Setting parameters will be memorized when power off.
8.  Suitable for detecting the speed of every kind of motors.
9.  Over-range display: the thousand unit display “1” or “-1”, the last three do not show.

Product Specification

• Display type LED display
• Voltage DC8-24V
• Current 30mA
• Measurement range 10-9999rpm
• Accuracy 0.1%
• Clear zero time About 10s
• Display refresh rate >3 times/sec
• Size about 80*25*40mm(L*W*H)
• Installation size about 76*39mm
• LED color red/blue
• Detected objects Magnet.
• Detection range 1mm-10mm.
• Proximity output current 20mA (For the sensor).
• Operating temperature -10 to 60?C.
• Sensor size 60 x 10mm
• Sensor wire length 1.2M
• Magnet 10x2mm

Package Included
1 x LED Tachometer
1 x NPN hall proximity sensor
1 x Magnet