---
product_id: 394625228
title: "Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool"
brand: "kawish"
price: "€ 71.45"
currency: EUR
in_stock: true
reviews_count: 5
category: "Kawish"
url: https://www.desertcart.hr/products/394625228-professional-injector-tester-k102s-fuel-injector-tester-automotive-gasoline-injector
store_origin: HR
region: Croatia
---

# 12V DC power input 128x64 LCD display for real-time data 1~50 Hz adjustable pulse frequency Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool

**Brand:** kawish
**Price:** € 71.45
**Availability:** ✅ In Stock

## Summary

> 🔧 Inject precision, ignite performance!

## Quick Answers

- **What is this?** Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool by kawish
- **How much does it cost?** € 71.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/394625228-professional-injector-tester-k102s-fuel-injector-tester-automotive-gasoline-injector)

## Best For

- kawish enthusiasts

## Why This Product

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

## Key Features

- • **Plug-and-Play Simplicity:** Designed for pros and amateurs alike—start testing in under 5 minutes with minimal setup.
- • **Built-In Safety Protections:** Reverse polarity and short-time over-voltage safeguards ensure reliable, worry-free operation.
- • **Real-Time Diagnostic Feedback:** Clear LCD screen displays working mode, pulse width, and frequency for accurate engine simulation.
- • **Versatile Injector Compatibility:** Includes 2 injector adapters enabling quick testing and cleaning with a single carburetor cleaner bottle.
- • **Precision Control at Your Fingertips:** Easily adjust pulse width and frequency with intuitive knob and buttons for tailored injector testing.

## Overview

The Kawish K102S Professional Injector Tester is a compact, battery-powered diagnostic tool designed for gasoline fuel injectors. Featuring a 128x64 LCD screen, it offers adjustable pulse frequency (1-50 Hz) and pulse width (1-50 ms) to simulate various engine conditions. Equipped with two injector adapters and safety protections against reverse polarity and over-voltage, it delivers reliable, real-time injector testing and cleaning capabilities in a user-friendly design.

## Description

How to use 1. Use main cable toconnect be test injector and K102S ,Black wire is Ground wire,and Whitewire is test wire2. Power on K102S,Choose work Mode or set Frequency and width3. Connect the injectorAdapter and test fuel supply to injector4. Press Start button,then the fuel will spay from injector Product Instruction:Screen: 128*64 LCD display. Input voltage: DC12VOperating current:typical value: <1A. Typical powerconsumption: <12WPulse frequency:1~50Hz Pulse width: 1~50msProduct size:120*80*40mm Host weight: <250g.Package include: 1 pcs K102S Host 2 pcs Injector Adapter (as see in the video)1 pcs User manual

Review: Muy buen generador de pulsos para inyectores - Está muy bueno el aparato ya que puedes cambiar tiempo, frecuencia y pulsos. La señal verificada en osciloscopio es limpia y veraz. Muy bueno para hacer pruebas
Review: Excellent controller for the price - Does not allow complete control of all 3 settings. But has several modes, eatch with theirnown adjustment parameters. Unfortunately lacking pulse width options over 250ms for static injector flow rates as far as i can tell. Did allow me to design some standardized tests for injector comparison and measurement.

## Features

- K102S is a simple, powerful injector tester, which can test Gasoline injector, we offer besides the tester,also have 2 injector adapters, so you can do a simply test and cleaning for your injector with just one bottle of carburetor cleaner. Very convenient
- This tester have two button and one knob ,knob is used to turn up or down the set value, one button is used for start or stop spray, one button is used for switch cursor, so it’s a very easy tool ,no matter your are a professional or amateur, you can use it in 5 minutes
- K102S has a LCD screen,which display the injector working Mode ,working pulse width and working frequency,so you can simulate the various working states of the engine by set different frequency and pulse width, K102S has preset 4 working states: VL, VE,TL ,HL,They may not be suitable for all situations,You can set parameter according to your own needs.
- K102S also have some protection design ,you don’t worry Reverse power supply, and Short-time over-voltage.
- At last:We have 12 months of quality assurance. If you are not satisfied with our products, or if there are any quality problems. Please contact us first.we will solve your problem ASAP

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07V43G3H3 |
| Brand | Kawish |
| Brand Name | Kawish |
| Color | Blue |
| Colour | Blue |
| Customer Reviews | 4.4 out of 5 stars 184 Reviews |
| Item Dimensions | 12 x 8 x 4 centimeters |
| Item Weight | 250 Grams |
| Item dimensions L x W x H | 12 x 8 x 4 centimeters |
| Item weight | 250 Grams |
| Manufacturer | Kawish |
| Maximum Operating Voltage | 12 Volts |
| Minimum Operating Voltage | 12 Volts |
| Model | 021 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | CE |
| Style | Modern |
| Style Name | Modern |
| UPC | 034948750703 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 40 Degrees Celsius |

## Product Details

- **Brand:** Kawish
- **Colour:** Blue
- **Item weight:** 250 Grams
- **Power source:** Battery Powered
- **Style:** Modern

## Images

![Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool - Image 1](https://m.media-amazon.com/images/I/61AcAWWI0xL.jpg)
![Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool - Image 2](https://m.media-amazon.com/images/I/61GPb9q9e-L.jpg)
![Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool - Image 3](https://m.media-amazon.com/images/I/61ONP-S3H6L.jpg)
![Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool - Image 4](https://m.media-amazon.com/images/I/61beEH6q2EL.jpg)
![Professional Injector Tester K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool - Image 5](https://m.media-amazon.com/images/I/61jzj2530JL.jpg)

## Questions & Answers

**Q: After pressing start does it stop automatically? Is there a mode that pulses the injector for a certain time then stop?**
A: You can have The tester have a countdown and after the countdown is over, it stops pulsing the injector. There are different modes, different pulse frequencies and different counters all adjustable

**Q: Will this tester work with injector on car? i imagine you flood your cylinder with fuel?**
A: YES IF THE FUEL PUMP IS RUNNING ,THE BEST THING IS TO REMOVE THE INJECTOR TO TEST, BUT THE FIRST THING IS CHECK THE RESISTANCE OF THE INJECTOR TO IF IT SHORTED...

**Q: Do you think this would be able to control 4 injectors at the same time?**
A: You can make a second circuit with a mossfet/transistor triggered by this device as a signal to controll any number of injectors you wish.

**Q: Will this work on a GDI injector?**
A: THIS TESTER WILL NOT WORK ON THE GDI INJECTOR

## Customer Reviews

### ⭐⭐⭐⭐⭐ Muy buen generador de pulsos para inyectores
*by G***I on 20 March 2025*

Está muy bueno el aparato ya que puedes cambiar tiempo, frecuencia y pulsos. La señal verificada en osciloscopio es limpia y veraz. Muy bueno para hacer pruebas

### ⭐⭐⭐⭐ Excellent controller for the price
*by A***R on 2 November 2021*

Does not allow complete control of all 3 settings. But has several modes, eatch with theirnown adjustment parameters. Unfortunately lacking pulse width options over 250ms for static injector flow rates as far as i can tell. Did allow me to design some standardized tests for injector comparison and measurement.

### ⭐⭐⭐⭐⭐ Works fine
*by B***Y on 3 July 2025*

Great for a quick test

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-23*