Red LED Tachometer RPM Speed Meter with Proximity Switch Sensor NPN

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About this item
Description :

Digital Red LED Tachometer RPM Speed Meter + Proximity Switch Sensor NPN

Specification :

Power requirement : DC 8-15V or AC6-18V.
Measure range : 99999 ~ 3.8RPM.
Error range : ± 0.5 ‰ - 1.5 ‰ rpm
Clear zero : Automatic .
Clear zero time : About 10s.
Refresh frequency : 0.2-0.5S(120-1200RPM), 0.25-0.06S(2400-9999RPM).
Response frequency : 100HZ.
Measure indication : (RPM<5000, ±2), (RPM>5000, ±3).
Sign : NPN 3 wires normally open.
Display : 5 x 2.5cm red LED.
Tachometer size : 78 x 42 x 13mm.
Panel cutout size : 71 x 38mm.

Hall proximity model : NJK-5002C .
Detected objects : Magnet.
Detection range : 1mm-10mm.
Proximity output current : 20mA(For the sensor).
Operating temperature : -10 to 60°C.
Sensor wiring : brown(Power+), blue(Power-), black(signal).
Sensor size : 37 x 12 x 10mm.

Connect diagram:

Package included :

1 x Red LED tachometer
1 x NJK-5002C NPN hall proximity sensor

Details pictures :

Shipping information

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

Return and exchanges

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.