---
product_id: 105550660
title: "REED Instruments R9100 Ultrasonic Leak Detector"
brand: "reed instruments"
price: "R3887"
currency: ZAR
in_stock: true
reviews_count: 2
category: "Reed Instruments"
url: https://www.desertcart.co.za/products/105550660-reed-instruments-r9100-ultrasonic-leak-detector
store_origin: ZA
region: South Africa
---

# Earphone jack + included headphones 40 kHz ultrasonic transmitter User-adjustable sensitivity wheel REED Instruments R9100 Ultrasonic Leak Detector

**Brand:** reed instruments
**Price:** R3887
**Availability:** ✅ In Stock

## Summary

> 🔍 Catch leaks before they catch you – precision meets power!

## Quick Answers

- **What is this?** REED Instruments R9100 Ultrasonic Leak Detector by reed instruments
- **How much does it cost?** R3887 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/105550660-reed-instruments-r9100-ultrasonic-leak-detector)

## Best For

- reed instruments enthusiasts

## Why This Product

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

## Key Features

- • **Stay focused in noisy environments:** Includes earphone jack and headphones for crystal-clear leak detection
- • **Customize your detection sensitivity:** Adjust sensitivity on-the-fly to catch even the faintest leaks
- • **Compact & lightweight for on-the-go pros:** Weighs just 7.2 oz, perfect for fieldwork and quick diagnostics
- • **Pinpoint leaks with ultrasonic precision:** Detect pressure, vacuum, water, gas, or air leaks effortlessly
- • **Visual & audible alerts for instant feedback:** LED and ticking alarms guide you straight to the source

## Overview

The REED Instruments R9100 Ultrasonic Leak Detector uses a 40 kHz ultrasonic transmitter to identify leaks in pressure, vacuum, water, gas, or air systems. Featuring both audible and LED alarms, an earphone jack with included headphones for noisy environments, and a user-adjustable sensitivity wheel, it offers professional-grade leak detection in a compact, lightweight design.

## Description

Identifies and pinpoints leaks generated by pressure, vacuum, water, gas or air. This ultrasonic leak detector converts ultrasound signals produced by industrial machinery into easily recognizable audible sounds for a user to evaluate the condition of individual components. The R9100 includes a transmitter that generates a 40 kHz signal to help pinpoint leaks and headphones for use in loud environments.

Review: Not fully satisfied - I haven’t used it much but the little bit I have it doesn’t appear to work as well as the informational video.
Review: I have used expensive units. Same principle, not nearly as effective. Ok in some applications

## Features

- Locates leaks generated by pressure, vacuum, water, gas or air
- Visible (LED) and Audible (ticking) alarms assist in pinpointing leaks
- Earphone jack for loud environments (earphones included)
- User adjustable sensitivity wheel
- Ultrasonic Transmitter generates a 40 kHz signal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07HRYGV82 |
| Batteries | 2 9V batteries required. (included) |
| Best Sellers Rank | #426,239 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #248 in Leak Detection Tools |
| Control Method | Touch |
| Date First Available | September 28, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 7.2 ounces |
| Manufacturer | REED Instruments |
| Noise Level | 80 Decibels |
| Product Dimensions | 9 x 4 x 8 inches |
| Sensor Technology | Ultrasonic Sensor |
| UPC | 800837004314 |

## Product Details

- **Battery Description:** Alkaline
- **Brand:** REED Instruments
- **Color:** Blue
- **Number of Batteries:** 2 9V batteries required. (included)
- **Power Source:** Battery Powered

## Images

![REED Instruments R9100 Ultrasonic Leak Detector - Image 1](https://m.media-amazon.com/images/I/31ixW+ACJ5L.jpg)
![REED Instruments R9100 Ultrasonic Leak Detector - Image 2](https://m.media-amazon.com/images/I/41rWjZ0YwCL.jpg)
![REED Instruments R9100 Ultrasonic Leak Detector - Image 3](https://m.media-amazon.com/images/I/51V3LwSwgjL.jpg)
![REED Instruments R9100 Ultrasonic Leak Detector - Image 4](https://m.media-amazon.com/images/I/61CH5a+gqwL.jpg)

## Customer Reviews

### ⭐⭐⭐ Not fully satisfied
*by D***R on March 29, 2024*

I haven’t used it much but the little bit I have it doesn’t appear to work as well as the informational video.

### ⭐⭐ Review
*by J***. on June 26, 2021*

I have used expensive units. Same principle, not nearly as effective. Ok in some applications

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- REED Instruments R9100 Ultrasonic Leak Detector
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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-01-30*