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Testo 316-4 Set Refrigeration Leak Detector

testo approved distributor

Includes: Testo 316-4, case, mains unit and earphones.

0563 3164
£446.4 Inc. VAT

The very high level of sensitivity of < 3g/a according to EN 14624 allows the detection of the smallest leakages. The Testo 316-4 display changes from green to red when leaks occur. An audible signal additionally indicates detected leakages. With the earphone, testo 316 can also be used in loud surroundings.

The trend display shows maximum leakages and facilitates the localization of leaks. The flexible gooseneck allows the optimum positioning of the sensor close to the pipe or other measurement site.


Extremely high sensitivity of ˂3g/a enables detection of even the smallest leaks.
Visual and acoustic alarm for optimum leakage detection.
Permanent sensor check, ensuring that your work is both safe and fast.
Earplug connection for safe leakage detection in loud environments.

Testo 316-4 Specifications
Operating humidity 20 to 80 %RH.
Reaction time < 1 s.
Dimensions 190 x 57 x 42 mm.
Operating temperature -20 to +50 °C.
Length of gooseneck 370 mm.
Start-up time <50 sec (0 ... +50 °C); <80 sec (-20 ... 0 °C).
Detectable R134a; R22; R404A; H₂ and all common refrigerants such as CFC, HCFC, HFC NH₃ (separate sensor head).
Sensitivity 3 g/a.
Leakage alarm optical and audible alarm.
Standards EN 14624:2012.
Battery type 1 battery block (6 cells NiMh).
Battery life 6 h (Continuous operation).
Storage temperature -25 to +70 °C.
Weight 348 g.
Testo 316-4 warranty 24 months (instrument and sensor).


Testo 316-4 Datasheet

PDF Specifications of the Testo 316-4 Leak Detector.

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