-40%

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

$ 8.45

Availability: 75 in stock
  • Brand: Unbranded
  • Package Contents: Digital LED Tachometer
  • Condition: New
  • Color: Red

    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
    Shipping
    Payment
    WARRANTY
    We only
    ship to confirmed ebay Order addresses.
    Please comfirm that your Order address is in line with your shipping address.
    Please kindly note that
    the c
    ombined 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 US; 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.
    Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.
    We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions,
    p
    lease feel free to contact us via "Ask seller a question" . We will reply your email within 24
    working hours.
    On Oct 4, 2022 at 13:50:09 PDT, seller added the following information: