Speed measurement:
Measuring range: 10 to 19 999 rpm optical
Measuring distance: max. 0.6 m
Resolution: 1 rpm
Accuracy: ± (1 rev. + 0.1% of reading)
Temperature measurement:
Measuring range: –20 to +350 °C
Resolution: 1 °C
Instrument specifications:
Temperature range: 0 to +50 °C
Power supply: 6 x 1.5 V LR6 alkaline cells
Battery life: power down 1 year, or 5000 readings, or 50 hours recording
Instrument size: 255 x 105 x 60 mm Weight: 0.85 kg