SKU: 9089630002

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

Sale price$11.49 Regular price$12.77
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

Tachometer 4 Digital LED Tach RPM Speed Meter + Hall Proximity Switch Sensor NPNFeature: 1: 4 digits display, clear and easy for readings2: With good stability, high accuracy, anti interference ability. 3: Using the latest A D conversion chip, high stability reference IC and stick chip components. 4: It can be applied to voltage and current measurement, also can be an external sensor to measure temperature, pressure, displacement and other physical quantities 5: Setting parameters will be memorized when power off. 6: Suitable for

Feature:
1: 4-digits display, clear and easy for readings2: With good stability, high accuracy, anti-interference ability.
3: Using the latest A/D conversion chip, high stability reference IC and stick chip components.
4: It can be applied to voltage and current measurement, also can be an external sensor to measure temperature,
pressure, displacement and other physical quantities
5: Setting parameters will be memorized when power off.
6: Suitable for detecting the speed of every kind of motors.
7: Over-range display: the thousand unit display "1" or "-1", the last three do not show.

Specifics:
Condition: 100% Brand New
Material: Plastic
Display type: LED display
Voltage: DC8-24V
Current: 40mA
Measurement range: 10-9999rpm
Accuracy: 0.1%
Clear zero time: About 10s
Display refresh rate: >3 times/sec
LED color: Red / Blue / Green
Sensor wire length: 1M

Note:
1. Connect the plug correctly according to the wiring diagram.
2. The Hall switch is NPN normally open type, and the detection distance of the Hall switch needs to be within 10MM. The Hall switch installation diameter is 12MM, and the wire length is 1M.
3. Strong electromagnetic interference should be avoided. It is better to use shielded wire or twisted pair for the measurement wire.
4. The count signal of the counter and the switch or circuit of the reset signal input should be as close as possible to the terminal of the counter, and the signal line should be as short as possible.
5. Avoid the same tube or twisted wiring with other such as: strong electric wire or power wire, etc., to avoid unnecessary interference, please use shielded wire if necessary, and the shielding layer is connected to the counting terminal "+".
6. It is not recommended to use mechanical switches or micro switches, because their lifespan is relatively short, and it is easy to miscount after a long time;
if you use mechanical switches or micro switches, please try to use better quality, so as to avoid miscounting, strong A magnetic switch is recommended.

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


Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
24-Hour Expert Online: Solve your installation and product problems


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9089630002

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Marlin Gonzalez
Phoenix, US
★★★★★ 5
Bueno para prevenir manchas
Es el mejor protector que he comprado con este ya sería mi cuarta compra.. si usas su línea completa te garantizo que eliminarás esas manchas de tu cutis 100% recomendado y el producto es grade
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Reviewed in the United States on May 12, 2026
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Douglas Luis bustos muñoz
Bozeman, US
★★★★★ 5
Buen servicio
Es un buen producto lo recomiendo y fue una excelente entrega
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Reviewed in the United States on May 23, 2026
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Nicoly Guimarães
Louisville, US
★★★★★ 5
Very cheap
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Rosa chanchavac
Lowell, US
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Viene como lo miré en la foto
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Jhoaly Maldonado
Phoenix, US
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Lo recomiendo es super suave y dura mucho tiempo
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Reviewed in the United States on April 22, 2026

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