---
product_id: 144387848
title: "Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe"
brand: "jastind"
price: "AR$168688"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/144387848-jastool-heavy-duty-3-48v-digital-lcd-display-circuit-tester
store_origin: AR
region: Argentina
---

# 3-48V wide voltage range 140-inch extended spring wire 0.1V accuracy digital LCD Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe

**Brand:** jastind
**Price:** AR$168688
**Availability:** ✅ In Stock

## Summary

> ⚡ Unlock the power of precision diagnostics — never miss a beat in your circuit game!

## Quick Answers

- **What is this?** Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe by jastind
- **How much does it cost?** AR$168688 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/144387848-jastool-heavy-duty-3-48v-digital-lcd-display-circuit-tester)

## Best For

- jastind enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Acetate fiber construction ensures high toughness and shatter-proof durability for daily hustle.
- • **Extended Reach Mastery:** 140-inch PU spring wire lets you conquer hard-to-access circuits with ease and flexibility.
- • **Pierce & Probe Like a Pro:** Sharp stainless steel probe designed to effortlessly pierce wires without damage.
- • **Precision Voltage Insight:** Experience pinpoint 0.1V accuracy on a crisp white backlit LCD for flawless diagnostics.
- • **Versatile Voltage Compatibility:** Seamlessly test automotive and low voltage circuits from 3V up to 48V — your all-in-one tool.

## Overview

The Jastool Heavy Duty 3-48V Digital LCD Circuit Tester is a professional-grade automotive and low voltage tester featuring a highly accurate 0.1V white backlit display, a durable stainless steel probe for wire piercing, and an extended 140-inch PU spring wire for easy access to hard-to-reach areas. Built with shatter-proof acetate fiber, it’s engineered for toughness and reliability in demanding environments.

## Description

Jastool Professional Digital Circuit Tester 3-48V Designed for car electrical circuits,automotive battery, battery charging systems,ignition systems,which is a must have tool for any automotive engineer ,electronic engineer or circuits DIY . *3-48v widely use for low voltage circuits test. *.1 Accuracy voltage reading on white backlit digital display. *.Made with sharp stainless steel probe for piercing wires, for hard to reach areas. *.Portable 140 In long enough PU spring wire for easy operation  *.Constructed with acetate fibre, high toughness and shatter-proof.

## Features

- 3-48v Widely Use Circuit Tester,designed to check vehicles electrical circuits and other 3-48v wiring and circuits
- .1 V Accuracy voltage reading on white backlit digital display
- Made with sharp stainless steel probe for piercing wires, for hard to reach areas.
- Portable 140 inch long enough PU spring wire for easy operation
- Constructed with acetate fibre, high toughness and shatter-proof

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Zhaohong Instruments |
| Part number | JTCVT-01B |
| Item Weight | 222 g |
| Product Dimensions | 33.02 x 10.16 x 3.81 cm; 222 g |
| Item model number | JTCVT-01B |
| Size | 3-48V digital circuit tester |
| Colour | White |
| Style | Modern |
| Material | Stainless Steel |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Specification met | REACH |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** JASTIND
- **Power source:** Battery Powered
- **Style:** Modern
- **Colour:** White
- **Item weight:** 0.22 Kilograms

## Images

![Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe - Image 1](https://m.media-amazon.com/images/I/61C7EHxCINL.jpg)
![Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe - Image 2](https://m.media-amazon.com/images/I/61vaKn+DhLL.jpg)
![Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe - Image 3](https://m.media-amazon.com/images/I/61aiqeVAlCL.jpg)
![Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe - Image 4](https://m.media-amazon.com/images/I/61tmKpRhmwL.jpg)
![Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe - Image 5](https://m.media-amazon.com/images/I/61gSxP2JIGL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: Can you ground these to anything like your truck? A bolt ect**
A: Yes. Any metal that is attached to the frame. It should be cleaned with sandpaper or a wire brush first before you attempt to ground it.

**Q: Will this work well on positive ground 6 volt vehicles on do you have a netter tool**
A: If you can hold the prong on the “positive ground” and somehow make a contact from an alligator clip to the wire you are trying to test... then yes. But definitely that’s a huge flaw of that device.

**Q: Does the screen update quick enough to read codes with obd1? the obd1 flashes power to the tester will it register the "flash"?**
A: It’s not designed for that

**Q: I purchased several test light assemblies, I am looking for the replacement electrical mechanism.**
A: This one is very nice.

## Frequently Bought Together

- JASTIND Premium 3-48V DC Digital LCD Display Test Light with 140 Inch Extended Spring Wire, Car Truck Vehicles Low Voltage Tester, Automotive Circuit Tester with Sharp Stainless Probe
- JOREST 300Pcs Car Fuse Assortment Kit, 160 Mini Blade Fuses Automotive + 90 Standard Auto Fuses + 50 Micro Fuse + 1 Puller – for Car/RV/Truck/Motorcycle(2Amp 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A)
- Premium LED Bulb Automotive Circuit Tester, 6-24V Test Light with 135 Inch PU Extended Spring Wire, Sharp Hard Steel Probe Vehicle Circuits Low DC Voltage Light Tester

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**Shop now:** [https://www.desertcart.com.ar/products/144387848-jastool-heavy-duty-3-48v-digital-lcd-display-circuit-tester](https://www.desertcart.com.ar/products/144387848-jastool-heavy-duty-3-48v-digital-lcd-display-circuit-tester)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-02*