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Testo 316-4 Refrigerant Leak Detector

by Testo

Last updated Mar 29, 2026 · 1 revision

Fast-response refrigerant leak detector with self-monitoring sensor, flexible gooseneck probe, and visual/audible leak alerts.

Testo 316-4 Refrigerant Leak Detector - by Testo - Personal Refrigerant Monitors software - logo 6.5 - Good
Quote Only · Contact for pricing 10 Features 1 Integrations
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Media

www.testo.com
Testo 316-4 Refrigerant Leak Detector - website image

About This Product

The Testo 316-4 detects all common CFC, HFC, HCFC, and H2 refrigerants with 3 g/a sensitivity conforming to EN 14624. Features a continuously self-monitoring sensor that displays contamination warnings, eliminating the need for test leaks. Flexible gooseneck allows optimal probe positioning. Visual traffic-light display (green/red) with audible signal and included earphones for noisy environments.

FSH Score Breakdown

Ease of Use
7.5
Features
7.0
Support
7.5
Value
7.0
Integrations
5.5
AI Capabilities
1.5

Customer Reviews

Features

10 features confirmed across 6categories· Showing confirmed capabilities only

Equipment & Asset Management3features

AlertsAudible and visual alertsSensor Replacement TrackingEasy sensor head replacementRemote MonitoringContinuous sensor monitoring

Hardware Features2features

Sensor LongevitySelf-monitoring sensor with contamination warningsMulti-Measurement ModesDrag pointer function

Compliance & Safety2features

A2L Refrigerant ComplianceAmmonia compatibility (upgrade)Refrigerant Compatibility CheckerCompatible with CFC, HCFC, HFC, and H2 refrigerants

Reporting & Analytics1feature

AnalyticsTrend display

Mobile & Field Tools1feature

Bluetooth Probe IntegrationFlexible gooseneck probe

Platform & Customization1feature

Browser ExtensionsDrag pointer function for maximum leakage indication

Integrations 1 across 1 category

Industry-Specific 1
Testo Native

Pricing

Model
Quote Only
Starting at
Contact for pricing
Notes
Price not publicly listed by most US retailers — contact Testo or distributors for quotes. For reference, the similar Testo 316-3 is ~$395 USD; the 316-4 is likely in the $400-$600 range. Refrigerant leak detector set with interchangeable sensor heads. Detects all common refrigerants: CFC, HFC, HCFC, and H2. Sensitivity: 3 g/a (grams per year). Set includes refrigerant sensor head, carrying case, mains unit, and earphones for noisy environments. Used for locating refrigerant leaks in HVAC/R systems during installation, commissioning, and service calls.
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