---
product_id: 28592256
title: "GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN"
brand: "gztool"
price: "FREE"
currency: PEN
in_stock: false
category: "Tools"
url: https://www.desertcart.pe/products/28592256-gztool-digital-blue-led-tachometer-rpm-speed-meter-hall-proximity
store_origin: PE
region: Peru
---

# GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN

**Brand:** gztool
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN by gztool
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/28592256-gztool-digital-blue-led-tachometer-rpm-speed-meter-hall-proximity)

## Best For

- gztool enthusiasts

## Why This Product

- Trusted gztool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

The tachometer is small,cost-effective. It fits 5-9999 RPM speed motor and can accurately measure the RPM of various motors. 
 
 
Features & Specifications: 
Tachometer power supply: DC 8-15V (Recommended: DC 12V). 
Hall proximity switch sensor power supply: DC 5-30V (Recommended: DC 12V). 
Measure range: 5-9999RPM. 
Zero clearing (Reset): Automatic. 
Zero clearing time: about 10s. 
Refresh rate: 0.2-0.5S@120-1200RPM; 0.25-0.06S@2400-9999RPM. 
Measurement Accuracy: RPM <5000, &#xB1;2; RPM>5000, &#xB1;3. 
Display: Blue 0.56&quot; LED. 
Input sign: Voltage pulse signal, active contact signal, PNP or NPN proximity switch sensor signal, Hall proximity switch sensor signal. 
Dimension: 72x36x20mm. 
Installation: Embedded. 
Installation size: 68x33mm. 
Operating Temperature: 0~50&#xB0;C. 
Tachometer wiring: Red --> +12VDC(Power+); Black --> GND(Power-); Yellow --> IN+(Signal input). 
Hall proximity switch sensor wiring: Brown(BN) --> +12VDC(Power+); Blue --> GND(Power-); Black --> Signal output. 
Recommended wiring: Both the red wire of the tachometer and the brown wire of the hall sensor are connected to +12VDC (Power+). Both the black wire of the tachometer and the blue wire of the hall sensor are connected to GND (Power-). The yellow wire of the tachometer is connected to the black wire of the hall sensor. 
 
 
Package Included: 
1x Blue LED Tachometer 
1x Hall proximity switch sensor 
1x Magnet 
 
Without instruction manual.

## Features

- Measure range: 5-9999RPM
- Power input: DC 8-15V
- Blue 0.56'' LED display
- Measure varied motor RPM
- Come with a hall proximity sensor and a magnet (without instruction manual)
- ›See more product details

## Images

![GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN - Image 1](https://m.media-amazon.com/images/I/41LtCN3HTzL.jpg)
![GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN - Image 2](https://m.media-amazon.com/images/I/41lLZDPZtwL.jpg)
![GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN - Image 3](https://m.media-amazon.com/images/I/41xkI+l2GDL.jpg)
![GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN - Image 4](https://m.media-amazon.com/images/I/41Jgyu88hHL.jpg)
![GZTool Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN - Image 5](https://m.media-amazon.com/images/I/41nSmvqXwtL.jpg)

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**Shop now:** [https://www.desertcart.pe/products/28592256-gztool-digital-blue-led-tachometer-rpm-speed-meter-hall-proximity](https://www.desertcart.pe/products/28592256-gztool-digital-blue-led-tachometer-rpm-speed-meter-hall-proximity)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-01-28*