---
product_id: 2410713
title: "OTC 3631 Heavy-Duty Logic Probe Tester , Red"
brand: "otc"
price: "€ 73.74"
currency: EUR
in_stock: true
url: https://www.desertcart.de/products/2410713-otc-3631-heavy-duty-logic-probe-tester-red
store_origin: DE
region: Germany
---

# LED voltage signals 3-26V range Multi-functional testing OTC 3631 Heavy-Duty Logic Probe Tester , Red

**Brand:** otc
**Price:** € 73.74
**Availability:** ✅ In Stock

## Summary

> 🔍 Unleash the Power of Precision Testing!

## Quick Answers

- **What is this?** OTC 3631 Heavy-Duty Logic Probe Tester , Red by otc
- **How much does it cost?** € 73.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/2410713-otc-3631-heavy-duty-logic-probe-tester-red)

## Best For

- otc enthusiasts

## Why This Product

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

## Key Features

- • **Visual Clarity:** Bright red and green LEDs for easy interpretation of voltage signals.
- • **Precision Testing:** Multi-functional design for a wide voltage range of 3-26 volts.
- • **Compact & Portable:** Lightweight and handheld design for on-the-go diagnostics.
- • **Reliable Performance:** Battery-powered for convenience and consistent operation.
- • **Versatile Applications:** Tests fuel injectors, solenoids, and various sensor outputs.

## Overview

The OTC 3631 Heavy-Duty Logic Probe Tester is a versatile, battery-powered tool designed for professionals. With a testing range of 3-26 volts and bright LED indicators, it simplifies the process of diagnosing various automotive components, including fuel injectors and sensors. Its compact design ensures portability, making it an essential addition to any technician's toolkit.

## Description

OTC 3631 Heavy-Duty Logic Probe Tester , Red

## Features

- Multi-functional design allows testing range of 3-26 volts
- Bright red and green LEDs interpret voltage signals such as ground power and frequency
- Tests fuel injectors solenoids presence of serial data and Tach reference signals
- Output tests on MAF cam crank hall effect VRS sensors and more

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | OTC |
| Power Source | Battery Powered |
| Style | Handheld |
| Color | Red |
| Item Weight | 1 Grams |
| Item dimensions L x W x H | 2.2 x 13.6 x 2 inches |
| Min. Operating Voltage | 3 Volts |
| Measurement Type | Voltmeter |
| UPC | 731413505744 |
| Manufacturer | OTC |
| Global Trade Identification Number | 00731413505744 |
| Item Weight | 0.035 ounces |
| Product Dimensions | 2.2 x 13.6 x 2 inches |
| Country of Origin | China |
| Item model number | 3631 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 3631 |

## Product Details

- **Brand:** OTC
- **Power Source:** Battery Powered
- **Style:** Handheld
- **Color:** Red
- **Item Weight:** 1 Grams

## Images

![OTC 3631 Heavy-Duty Logic Probe Tester , Red - Image 1](https://m.media-amazon.com/images/I/71KjqNHLnVL.jpg)

## Frequently Bought Together

- OTC 3631 Heavy-Duty Logic Probe Tester , Red
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- OTC 3633 Mini-Coil Cord Circuit Tester , Red

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---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-03*