Field Instruments

Product Overview

The Testo 316-3 is a high-sensitivity electronic refrigerant leak detector designed for reliable, fast, and precise leak detection in all common refrigerants, including CFCs, HFCs, and HCFCs.
Built with advanced sensor technology and automatic zeroing, it provides accurate leak localization even in environments with fluctuating background concentrations.

Compact, rugged, and easy to operate, the Testo 316-3 is an essential tool for HVAC technicians, refrigeration engineers, and maintenance professionals who demand precision and efficiency during system servicing or installation.

Key Features

• Universal Refrigerant Detection: Detects CFC, HFC, and HCFC refrigerants including R22, R134a, R410A, R407C, and more.
• High Sensitivity: Detects leaks as small as 4 g/year (R134a).
• Automatic Zeroing: Adjusts to background gas concentrations for reliable detection.
• Visual and Audible Alarms: LED indicators and audible tones provide instant leak feedback.
• Flexible Gooseneck Probe: 370 mm (14.5 in) flexible probe for reaching difficult areas.
• Simple One-Button Operation: Enables quick testing with minimal setup.
• Fast Response Time: Immediate leak detection with stable sensor performance.
• Rugged Design: Shock-resistant housing ideal for field use.
• Automatic Power-Off: Extends battery life during inactive periods.
• Ready-to-Use Kit: Includes sensor, probe, batteries, and carrying case.

Technical Specifications

Brand: Testo
Model: 316-3
Type: Electronic Refrigerant Leak Detector
Detectable Gases: CFC, HFC, HCFC refrigerants (e.g., R22, R134a, R404A, R407C, R410A, R507)
Minimum Detectable Leak: 4 g/year (R134a equivalent)
Response Time: ≤ 1 second
Sensor Type: Heated diode sensor
Sensor Life: Approx. 100 hours of operation (depending on exposure)
Display/Indication: LED leak intensity indicator and audible alarm
Probe Length: 370 mm (14.5 in) flexible probe
Operating Temperature: 0 °C to +50 °C
Power Supply: 2 × D-cell (1.5 V) alkaline batteries
Battery Life: Approx. 16 hours continuous operation
Auto Power-Off: After 10 minutes of inactivity (adjustable)
Protection Class: IP40
Dimensions (H × W × D): 190 × 57 × 42 mm
Weight: Approx. 500 g (with batteries)
Compliance: EN 14624:2012 / CE certified
Manufacturer: Testo SE & Co. KGaA, Germany

Applications

• Refrigeration Systems: Detect and locate leaks in commercial and industrial units.
• Air Conditioning Systems: Identify refrigerant leaks in residential and automotive AC systems.
• Heat Pumps: Ensure safe operation and prevent efficiency loss due to refrigerant leaks.
• Maintenance & Servicing: Routine leak inspections for compliance and performance assurance.

Why Buy from FieldInstruments.lk?

At FieldInstruments.lk, Sri Lanka’s trusted supplier of Testo HVAC and refrigeration tools, we deliver genuine Testo instruments with full manufacturer warranty and expert local support.

Our Advantages:

• 100% genuine Testo products with factory calibration certificate
• Competitive pricing and fast delivery island-wide
• Local technical assistance and usage training
• Reliable after-sales and calibration support
• One-stop partner for HVAC, refrigeration, and leak detection solutions

The Testo 316-3 Refrigerant Leak Detector offers precision, reliability, and ease of use, making it an essential tool for every refrigeration and air-conditioning professional.

Testo 316-3 Sri Lanka
Testo 316-3 refrigerant leak detector
Testo 316-3 gas leak detector
Refrigerant leak detector Testo
HVAC leak detector Testo 316-3
Testo 316-3 CFC HFC HCFC detector
Electronic refrigerant leak detector Sri Lanka
Testo 316-3 R410A R134a leak detector
Testo refrigerant service tools Sri Lanka
FieldInstruments.lk Testo 316-3

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk