Very high sensitivity of <3g/a allows the detection of the smallest leaks Very long sensor life Optical and audible alarm for optimum leakage detection Permanent sensor check for fast and safe work Earphone connection for secure leakage detection in loud Trend display shows maximum leakages The testo 316-4 (Set 1) is a fast and reliable leakage detector for all common refrigerants. The sensor is permanently monitored and shows malfunctions or contamination in the display. The use of test leaks is thus superfluous. If dirty, the sensor can simply be cleaned, and is immediately ready for use again. The very high level of sensitivity of <3g/a according to EN 14624 allows the detection of the smallest leakages. The 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 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. For refrigeration systems which operate with ammonia, there is the testo 316-4 (Set 2) specially for ammonia, or the replacement ammonia head (NH3) for the

Technical data / Accessories Techn. data sensor Set for leak detection on refrigeration systems for CFC, HCFC, HFC, H2 accessories: testo 316-4, case, mains unit and earphones Detectable refrigerants Refrigerants group (Lower response threshold specified) Set for leak detection on refrigeration systems for NH.3 accessories: testo 316-4, case, mains unit General technical data Accessories for measuring instrument