Hand tachometer non-contact type HT-4200 1 unit

It is small and thin enough to fit in your pocket. It has a data hold function that automatically holds the measurement value for approximately 30 seconds. Compact and multi-functional type. Model number: HT-4200 Measurement accuracy: 30 to 12,499 rpm: ±1, 12,500 to 24,999 rpm: ±2, 25,000 to 50,000 rpm: ±4 Operating temperature range: 0 to +40°C Batteries: 3 AAA batteries (sold separately) Battery life: Approximately 20 hours continuous Size: 129 x 62 x 26.4 mm Weight: Approx. 90g Accessories: Reflective marks (25 pieces, 12 mm square) Measurement method: Non-contact Measurement range: 30 to 50,000 rpm