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

Description

4 Digital LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN
DESCRIPTION
4 Digital LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN
Feature：
1.4-digits display, clear and easy for readings.
2.Mini size, high performance and fast reaction speed.
3.With good stability, high accuracy, anti-interference ability.
4.Using the latest A/D conversion chip, high stability reference IC and stick chip components.
5.It can be applied to voltage and current measurement, also can be an external sensor to measure temperature, pressure, displacement and other physical quantities.
6.Setting parameters will be memorized when power off.
7.Suitable for detecting the speed of every kind of motors.
8.Over-range display: the thousand unit display "1" or "-1", the last three do not show.
Specification:
Input pulse signal: NPN/PNP open collector, contact switch, non-contact switch, level pulse.
Input signal voltage: low level: -30V-0.6V, high level: 4-30V
Measuring range: Speed: 10-9999Rpm
Measurement accuracy: ±0.1%, reading ±1 word.
Display mode: 0.56 red, green, blue LED
four-digit reading
Display refresh rate: >3 times/second
Working power supply: DC8-24V, 30mA, another 5v power supply version
Dimensions: 79×42×25mm
Installation size: 76×39mm
Weight: about 50g Sensor: about 50g
Over-range display: the first digit displays "1" or "-1", and the last three digits do not display
Package Included:
1 x New GREEN LED Tachometer RPM Speed Meter
1 x Hall Proximity Switch Sensor NPN
POLICES
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WARRANTY
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Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size.
It takes about 7-15 working days to Canada; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.
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