This compact, easy-to- transport assembly contains the most important measuring instruments required by refrigeration engineers: the testo 549i wireless mini pressure gauge, and the testo 115i wireless mini-tube clamp temperature gauge (two for each). The advantages of Testo wireless mini cooling system test kit. The measuring instrument can be quickly and easily connected to your smart device via Bluetooth to perform Smart Probe APP controlled maintenance operations on the cooling system, air conditioning system and heat pump. The operation of the measuring instrument adopts the most advanced mode and is very convenient to use. Both the testo 115i and the testo 549i can be quickly and easily set up directly at the temperature measurement point or pressure connection point. Because it can be connected to smart devices through wireless Bluetooth, this system can make the measurement of the wide measuring points of the branch more convenient. NTC Measuring range: -40 ~ +150 °C Measurement accuracy: ±1.3 °C (-20 ~ +85 °C) Resolution: 0.1 °C Pressure measurement Measuring range: -1 ~ +60 bar Measurement accuracy: ±0.5 Resolution: 0.01 bar Probe connection: 7 / 16 inch - UNF Overload Relative pressure (high pressure): +65 bar diameter: 183 x 90 x 30 (testo 115i) 125 x 32 x 31 (testo 549i) Operating temperature: -20 ~ +50 °C System Requirements:requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0 Battery Type: 3 AAA rechargeable batteries (not included) Pressure media:CFC, HFC, HCFC, N, H2O, CO2 Storage temperature: -20 ~ +60 °C
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