Description
For completely wireless measurements on refrigeration and air conditioning systems and heat pumps.
Thanks to the included Bluetooth® vacuum probe, you can even measure vacuum without cables or hoses. You will receive the smart digital fitter's aid testo 557s incl. Bluetooth® and 4-way valve block, a wireless vacuum probe testo 552i (Bluetooth®), two wireless clamp thermometers testo 115i (Bluetooth®, NTC), 4-piece filling hose set and a robust carrying case. For further wireless measurements, the Testo Smart Probes are ideal.
Product benefits:
- completely wireless measurements and all results at a glance: thanks to Bluetooth® sensors and large graphic display
- particularly compact and reliable thanks to handy robust housing with IP 54 protection class
- simple, wireless, flexible measurement and documentation: Temperature and vacuum measurements through automatic Bluetooth® connection, testo Smart App for documentation and much more.
Scope of delivery:- Digital 4-way assembler testo 557s incl. batteries (4 x AA) and calibration protocol
- 1 x wireless Bluetooth® vacuum probe testo 552i
- 2 x wireless Bluetooth® clamp thermometer testo 115i
- set of 4 filling hoses
- Carrying case
- testo Smart App (free download)
- Operating instructions
Delivery time may take up to 14 business days.