testo 316-4 – measurement set 1 for all common refrigerants

Leak detection of all common refrigerants

  • Extremely high sensitivity of 3g/a allows detection of even the smallest leaks
  • Light and sound alarms for optimum leak detection
  • Earplugs for working in noisy environments

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The testo 316-4 leak detector

Everything you need for professional leak detection: testo 316-4 set 1 with detector for all common refrigerants as well as CFC, HFC, HCFC and H2, including sensor head, protective case, power supply and headphones. Therefore, you are ideally equipped to perform fast and reliable leak detections.

Leaks in cooling systems or heat pumps can have serious consequences. The system no longer provides the required cooling capacity and, in the worst case, system components can be damaged. Not to mention the environmental damage and costs that may be incurred by your customer. You need fast and reliable measuring instruments like the testo 316-4 leak detector to detect even the smallest leaks.

Advantages – testo 316-4

  • An all-rounder in leak detection: the testo 316-4 leak detector (set 1) is a fast and reliable instrument for all common refrigerants.
  • Practical sensor technology: the leak detector’s sensor is permanently monitored and displays faults or contamination on the screen. The use of test leaks is therefore no longer necessary. If dirty, the sensor can be easily cleaned and is ready for use again immediately. Thanks to its flexible gooseneck, the sensor can be placed close to the pipeline or measurement site.
  • High sensitivity: its extremely high sensitivity of g3g/a in accordance with EN 14624 enables reliable detection of even the smallest leaks. The dynamic bar indicator indicates the maximum leakage, 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 headphones included in the set also make it possible to use the testo 316-4 leak detector in a noisy environment.
  • Additional options for ammonia: for refrigeration systems working with ammonia, you can upgrade the testo 316-4 leak detector (set 1) with a spare sensor for ammonia (NH3). Or you can buy testo 316-4 leak detectors specifically for ammonia.

Included in delivery

testo 316-4 leak detector incl. refrigerant sensor head, case, power supply and headphones.

Detectable gasesR134a, R22, and all common refrigerants such as CFC, HCFC, HFC, NH3 (separate sensor)
Lower limit value3 g/year
Response time<1 p
Leak alarmSound and lighting system
Sensitivity1g/year, sensitivity according to EN14624 and E35-422-SAEJ1627
Gooseneck length370 mm
operating temp.-20 ... +50°C
Storage temp.-25 ... +70°C
Ambient humidity20 ... 80% RH
BatteryNiMh cells
Battery life8 h continuous operation
Size190 x 57 x 42 mm
Weight348 g
Guarantee24 months (instruments and sensors)
There are no probes for this item.
Datablad testo 316-4

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testo 316-4 – measuring set 2 for ammonia

Leak detection of ammonia (NH3)

  • Extremely high sensitivity of g3g/a allows detection of even the smallest leaks
  • Light and sound alarms for optimal leakage detection
  • Permanent sensor control that ensures your work is both safe and fast