1PC 4 Digital LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN

Description

Product Feature
100% brand new and high quality.
4-digits display, clear and easy for readings.
Mini size, high performance and fast reaction speed.
With good stability, high accuracy, anti-interference ability.
Using the latest A/D conversion chip, high stability reference IC and stick chip components.
It can be applied to voltage and current measurement, also can be an external sensor to measure temperature, pressure, displacement and other physical quantities.
Setting parameters will be memorized when power off.
Suitable for detecting the speed of every kind of motors.
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：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