Testo 425, thermal anemometer with permanently attached flow probe (Ø probe head 7.5 mm), incl. temperature measurement and telescopic handle (max. 820 mm), battery and calibration protocol.

Testo 460 is used for non-contact measurement of revolutions. The spot is displayed using an LED sighting on the object being measured. Practical and small; it fits in all pockets.

  Optical rpm measurement with LED measurement spot marking
  Max./min. values
  Incl. calibration protocol
  Protective cap for safe storage
  Including wrist strap and belt holder
  Display light
  Reflective markers