---
product_id: 86269681
title: "NR-HM019J Digital Tachometer LCD Waterproof Gasoline Engine Inductive Tachometer for Paramotors,Chainsaws,Generators,Mowesr,Model Boats"
brand: "nine-rong"
price: "€ 76.11"
currency: EUR
in_stock: true
reviews_count: 7
url: https://www.desertcart.gr/products/86269681-nr-hm019j-digital-tachometer-lcd-waterproof-gasoline-engine-inductive-tachometer
store_origin: GR
region: Greece
---

# IP68 waterproof rating Includes long-lasting lithium metal battery 0-25,000 RPM range NR-HM019J Digital Tachometer LCD Waterproof Gasoline Engine Inductive Tachometer for Paramotors,Chainsaws,Generators,Mowesr,Model Boats

**Brand:** nine-rong
**Price:** € 76.11
**Availability:** ✅ In Stock

## Summary

> ⚡ Track your engine’s pulse like a pro — never miss a beat!

## Quick Answers

- **What is this?** NR-HM019J Digital Tachometer LCD Waterproof Gasoline Engine Inductive Tachometer for Paramotors,Chainsaws,Generators,Mowesr,Model Boats by nine-rong
- **How much does it cost?** € 76.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/86269681-nr-hm019j-digital-tachometer-lcd-waterproof-gasoline-engine-inductive-tachometer)

## Best For

- nine-rong enthusiasts

## Why This Product

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

## Key Features

- • **Peace of Mind Warranty:** Backed by a 2-year after-sales guarantee and detailed user support for worry-free operation.
- • **Precision RPM Tracking:** Accurately measures engine speed up to 25,000 RPM for ultimate performance insights.
- • **Versatile Stroke Modes:** 9 programmable firing patterns tailor tachometer readings to any gasoline engine type.
- • **Effortless Installation:** Innovative alligator clip and screw mount design for quick, secure setup on spark plug wires.
- • **Rugged Waterproof Design:** IP68-rated epoxy resin sealing ensures durability and reliable use in harsh environments.

## Overview

The NR-HM019J Digital Tachometer by Jayron is a compact, waterproof device designed for precise RPM measurement of gasoline engines up to 25,000 RPM. Featuring 9 programmable stroke modes, an easy alligator clip installation, and IP68-rated durability, it’s perfect for paramotors, chainsaws, generators, and more. Powered by an included lithium metal battery and supported by a 2-year warranty, it delivers reliable, professional-grade engine diagnostics wherever you go.

## Description

Full description not available

## Features

- Unique Design ---- Alligator clip design,Easy to operate, properly use the alligator clip to clamp the spark plug wire, the tachometer can start to work,In addition, it can be easily fixed and installed with screws, which is firm and reliable.
- RPM ＆ MAX RPM ---- Small engine tachometer can record the current RPM of most types of gasoline engines. When the engine turn off, the LCD display will flash for 5 seconds to display the maximum RPM. RPM range: 0-25,000RPM.
- Stroke Mode ---- For gasoline engines of different powers and strokes, a total of 9 Programmable firing patterns are designed to track real-time speed more accurately.
- Craft ---- The epoxy resin potting process with good sealing performance is adopted, and the waterproof can reach IP68. At the same time, it has good shock resistance, abrasion resistance and long service life.
- Other ---- We provide two-year after-sales guarantee and detailed instructions. Please feel free to consult if you have any related equipment problems during the period.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Jayron |
| Part Number | JR-HM019J |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Manufacturer reference | JR-HM019J |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Metal |
| Item Weight | 20 g |

## Images

![NR-HM019J Digital Tachometer LCD Waterproof Gasoline Engine Inductive Tachometer for Paramotors,Chainsaws,Generators,Mowesr,Model Boats - Image 1](https://m.media-amazon.com/images/I/610i6vbnweL.jpg)

## Questions & Answers

**Q: Is there any way of replacing or charging the battery when it goes flat?**
A: Not sure,becuse the unit is sealed,it my be the case when in use it gets a charge. You could try finding a chemical that will melt the resin sealant so you can get into it to replace the battery, there is a is a potting compound thinner on the market that electronic companys use to melt down the sealer, try looking on line for potting compound sealers & thinners.

**Q: What is the life of the battery?**
A: Don't know, battery is incapsulated. I only used is temporary to set the timing on my Yamaha XVS 1100 Dragstar.

**Q: How do you select sparks per revolution?**
A: Push the button  on the display bottom right.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works
*by L***. on 12 February 2025*

Works well good too to have

### ⭐⭐⭐⭐ Very good value
*by A***R on 11 June 2020*

Works well saves slot of time

### ⭐⭐⭐⭐⭐ does what it says "on the box"
*by P***L on 2 October 2021*

Surprisingly accurate NOTE.... permanently powered up but that is the "nature of the beast"

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-22*