---
product_id: 416919856
title: "316-3 I Refrigerant Leak Detector I High Sensitivity Detector for Refrigerant substances"
brand: "testo"
price: "$1156"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/416919856-316-3-i-refrigerant-leak-detector-i-high-sensitivity-detector
store_origin: NZ
region: New Zealand
---

# Battery-powered High sensitivity Automatic zeroing 316-3 I Refrigerant Leak Detector I High Sensitivity Detector for Refrigerant substances

**Brand:** testo
**Price:** $1156
**Availability:** ✅ In Stock

## Summary

> 🔧 Unleash Precision in Leak Detection!

## Quick Answers

- **What is this?** 316-3 I Refrigerant Leak Detector I High Sensitivity Detector for Refrigerant substances by testo
- **How much does it cost?** $1156 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/416919856-316-3-i-refrigerant-leak-detector-i-high-sensitivity-detector)

## Best For

- testo enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Measurements:** Experience fast and reliable readings with automatic zeroing for contaminated areas.
- • **User-Friendly Design:** Equipped with LED indicators and audible alarms for intuitive operation.
- • **Rugged & Sophisticated:** Combines premium design with durable housing for long-lasting performance.
- • **Exceptional Sensitivity:** Patented heated diode sensor detects leaks as low as 0.15 oz/year.
- • **Versatile Compatibility:** Detects a wide range of refrigerants including CFCs, HFCs, and HCFCs.

## Overview

The Testo 316-3 is a high-sensitivity refrigerant leak detector designed for HVAC professionals. It features automatic zeroing for quick measurements, versatile compatibility with various refrigerants, and a patented sensor that detects leaks as low as 0.15 oz/year. With its user-friendly design and rugged build, this detector is perfect for reliable and efficient leak detection in any environment.

## Description

Testo 316-3 I Refrigerant Leak Detector I High Sensitivity Detector for Refrigerant substances

## Features

- Fast and reliable: Thanks to automatic zeroing, the testo 316-3 measuring instrument for HVAC systems delivers rapid measurements and can be used in previously contaminated areas
- Versatile: The durable, battery-powered detector provides reliable measurements for all CFCs, HFCs and HCFCs as well as R22, R134a, R404A, R410A, R507 and R438A refrigerants
- Excellent sensitivity: The patented heated diode sensor with outstanding high/low sensitivity adjustment down to 0.15 oz./year makes locating refrigerant leaks amazingly efficient
- Sophisticated: Like all testo products, the testo 316-3 is a premium, well-thought-out product that combines a rugged, functional housing with state-of-the-art design features
- Easy operation: The measurement device is equipped with an LED indicator, an audible alarm and convenient one-button operation and is thus practical, intuitive and user-friendly

## Images

![316-3 I Refrigerant Leak Detector I High Sensitivity Detector for Refrigerant substances - Image 1](https://m.media-amazon.com/images/I/51kOGsjzalL.jpg)

## Questions & Answers

**Q: What and how many refrigerants does this detect?**
A: It can detect  R22; R134a; R404A; R410A; R507; R438A; all CFCs, HFCs, and HCFCs.

**Q: What is the sensor life expectancy?**
A: It states 100 hours. I've had and used it for roughly that much. I've allowed other technicians to also use it and some of them have purchased their own shortly after. I do plan on changing the senser soon. I've been able to get them for roughly 65$.

## Frequently Bought Together

- Testo 316-3 I Refrigerant Leak Detector I High Sensitivity Detector for Refrigerant substances
- Testo 605i | Thermohygrometer for Indoor Temperature and Humidity Measurement | with Bluetooth Support
- Testo 557s AC Manifold Gauge Set – AC Recharge Kit with 2x testo 115i Pipe Clamp Thermometer, 1x testo 552i Micron Gauge, and 4x Hoses – Set with Bluetooth

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**Shop now:** [https://www.desertcart.nz/products/416919856-316-3-i-refrigerant-leak-detector-i-high-sensitivity-detector](https://www.desertcart.nz/products/416919856-316-3-i-refrigerant-leak-detector-i-high-sensitivity-detector)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-25*