Also practical: since no hoses are needed for the measurements, no refrigerant is lost, or only a very small quantity. When used in conjunction with the testo 115i clamp thermometer, individual refrigeration system parameters can also be calculated.
More measuring convenience thanks to the App
Readings can be viewed conveniently on your terminal device via the testo Smart App. In addition, the App enables automatic calculation of evaporation and condensation temperatures. All measurement data are presented either as a diagram or a table. Finally, the measurement data report can be e-mailed directly as a pdf or Excel file.
*Our tip: Use the testo 549i as a probe in conjunction with the appropriate IAQ measuring instrument from Testo.
|Measuring range||-1 to +60 bar|
|Accuracy||±0.5 % of fsv|
|Probe connection||7 / 16 ” – UNF|
|Overload rel. (high pressure)||+65 bar|
|General technical data|
|Dimensions||125 x 32 x 31 mm|
|Operating temperature||-20 to +50 °C|
|System requirements||requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0|
|Battery type||3 AAA micro batteries|
|Battery life||130 h|
|Radio range||100 m|
|Pressure media||CFC, HFC, HCFC, N, H₂O, CO₂|
|Storage temperature||-20 to +60 °C|
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