Red/Blue 4 Digital LED Tachometer RPM Speed Meter w/Hall Sensor NPN Hot

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Seller: love2sunny ✉️ (128,288) 97.3%, Location: Hongkong, HK, Ships to: WORLDWIDE, Item: 362138769699 Red/Blue 4 Digital LED Tachometer RPM Speed Meter w/Hall Sensor NPN Hot. Store Categories

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Red/Blue 4 Digital LED Tachometer RPM Speed Meter w/Hall Sensor NPN Hot

Details

Descriptions:

Digital LED tachometer adopts the latest A/D conversion chip and the high stability benchmark IC, adopts electronic chip component, reasonable circuit design. It can be applied to the measurement of voltage, current and external sensor to measure temperature, pressure, displacement and other physical quantities. Suitable for all kinds of digital instrument display.


Features:

  • Good stability, high precision and strong anti-interference ability.
  • The external appearance adopts standard size and convenient  to install.
  • Input pulse signal: NPN/PNP open collector ,contact switch, contactless switch, level pulse.
  • Input signal voltage: low level: -30V -0.6 V, high level: 4-30V.
  • Measuring range: frequency: 9999Hz, 999.9 HZ, 99.99 KHZ, automatic switching selection.


Specifications:

Measurement accuracy: ±0.1%

Display mode: 0.56"LED

Display refresh rate: >3 times/sec

Working power supply: DC8-24V, 30mA, measurement range: 10-9999RPM

Hall proximity switch : magnetic

Appearance size: 80 x 42 x 25mm/3.14 x 1.65 x 0.98inch

LED display(Optional ): red, blue

Weight: 80g(red),105g(blue)

Overrange display: the first one shows "1" or "-1", and the latter three do not show

Precautions:

1. Connect the plug correctly according to the wiring diagram

2. Should avoid strong electromagnetic interference and it is better to use shielded wire or double stranded wire for measuring conductors

3. The counting signal of the counter and the switch of the zero clearing signal input or the circuit shall be as close as possible to the terminal of the counter to make the signal line as short as possible
4. Avoid with other such as: high voltage wires or power wires and so on with same tube or twisted  trace line, in order to avoid unnecessary interference.If necessary, please use the shielded wire, shielding layer connect the"+" of the count terminals

5. It is not recommended to use a mechanical switch or micro switch because they have a relatively short life span and can be counted by mistake after long time. If you use a mechanical switch or a micro switch, please try to use a better quality, so as not to miscount, and strongly suggest a magnetic control switch

Package Included:

1 x Tachometer

1 x Hall NPN proximity sensor


Payment
  • We accept PayPal only.
  • We only ship item to your PayPal verified address.
  • Payment must be received within 3 days from the date of purchase.
  • Orders will be processed instantly and dispatched in same day normally, so we do NOT accept any Email/Message note after you place orders.

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  • Condition: New
  • Color: Red
  • Brand: Unbranded/Generic
  • Display mode: 0.56"LED
  • LED display: red, blue
  • EAN: 8667332399183

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  •  Popularity - 3 watchers, 0.0 new watchers per day, 304 days for sale on eBay. High amount watching. 3 sold, 10 available.
  •  Best Price -
  •  Seller - 128,288+ items sold. 2.7% negative feedback. Good seller with good positive feedback and good amount of ratings.

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