Testo 477 – LED stroboscope

Incl. transport case, trigger signal connector, battery and calibration protocol
Part number: 0563 4770
Manufacturer: Testo
£609.00 (ex VAT)

The testo 477 LED hand-held stroboscope measures rotations and vibrations and facilitates measurements during operation. The stationary image enables the inspection and quality assessment of high-frequency moving parts.

  • Extremely wide measurement range: Up to 300,000 flashes per minute (fpm)
  • Very high light intensity of up to 1500 Lux
  • Long operating time due to long battery life of up to 5 h
  • Ideal also for robust applications on account of impact protection and protection class IP65
  • Trigger input and output enable connection to external systems and control by an external sensor

Operating temperature

0 to +45 °C


191 x 82 x 60 mm

Probe - RPM


0.02 %


±0.1 (30 to 999 fpm)

±1 (1000 to 300.000 fpm)