The Testo 477 is a battery operated hand-held stroboscope that measures the rotational speed of shafts and other similar devices. It uses high powered LED lamp with a light intensity of up to 1500 Lux, and has an operating range of 30 to 300000 fpm (flashes per minute).
Features
- Extremely wide measurement range: 30 to 300,000 flashes per minute (fpm)
- Light intensity up to 1500 Lux
- 5 hour battery life (typical)
- 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 device
Technical
Operating temperature 0 to + 45 °C
Dimensions 191 mm x 82 mm x 60 mm
Measurement units RPM
Accuracy 0.02 % ± 1 digit
Resolution 0.1 (30 to 999 fpm), 1 (1000 to 300.000 fpm)