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testo 316-4 – Refrigeration Leak Detector Set 1

  • Highly accurate sensor of ˂3g/a enables detection of the smallest leaks
  • Visual and acoustic alarm for optimum leakage detection
  • Earplug connection for safe leakage detection in loud environments
  • Maximum indicator shows maximum leakages

Everything you need for professional leakage detection: the testo 316-4 set 1 with leak detector for all common refrigerants CFC, HFC, HCFC and H2, including refrigerant sensor head, case, mains unit and earphones. You will therefore be ideally equipped to carry out quick, reliable leakage detection.

  • Details
  • Technical Data

Product Description

Leaks on a refrigeration system or heat pump have serious consequences. The system no longer provides the required cooling capacity and, in the worst case scenario, system components can be damaged. Not to mention the environmental damage and the costs incurred by your customer. You need fast, reliable measuring instruments such as the testo 316-4 leak detector in order to be able to detect even the smallest of leaks.

  • 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

Advantages of the testo 316-4 set 1 leak detector

An all-rounder in leak detection: the testo 316-4 leak detector (set 1) is a fast, reliable leak detector for all common refrigerants .

Practical sensor technology: the leak detector’s sensor is permanently monitored and displays malfunctions or contaminations on the screen. The use of test leaks is therefore no longer necessary. If dirty, the sensor can be easily cleaned and is then ready for use again straight away. Moreover, thanks to its flexible gooseneck, the sensor can be positioned close to the pipework or the measuring location.

High sensitivity: its extremely high sensitivity of ˂3g/a in accordance with EN 14624 enables reliable detection of even the smallest leaks. The drag pointer function indicates maximum leakages, making it easier to locate leaks.

Reliable warning functions: if a leak is found, the display changes from green to red. An audible signal also indicates that a leak has been detected. The earphones included in the set also enable the testo 316-4 leak detector to be used in loud environments.

Delivery Scope

testo 316-4, case, mains unit and earphones

General technical data
Operating humidity 20 to 80 %RH
Reaction time < 1 s
Dimensions 190 x 57 x 42 mm
Operating temperature -20 to +50 °C
Leakage alarm optical and audible alarm
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
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