Testo 470 Digital Hand-Tachometer

- Brand: Testo
- Model: 470
- Type: Digital Hand-Tachometer
- Part number: 0563 0470
  - Function: Tachometer for measuring rotational speed, surface speed and distance
  - Measurement Modes:
    - Non-contact optical: 1 – 999,999 rpm (using reflective tape)
    - Contact: 0.5 – 19,999 rpm (using cone, wheel or cord adapter)
    - Surface speed: 0.1 – 1,999.9 m/min 
    - Distance: 0.1 – 99,999.9 m 
  - Accuracy: ±0.02 % of reading ±1 digit
  - Resolution: 0.01 rpm (up to 99.99 rpm), 0.1 rpm (100–999.9 rpm), 1 rpm (>1000 rpm)
  - Measuring Distance (optical): 10 – 600 mm (optimal 100–200 mm)
  - Memory: Last value, min/max values, mean value
  - Display: 4-digit LCD with backlight
  - Measurement Time: 0.5 s 
  - Auto Power Off: After 40 s inactivity
  - Supply: 2 × 1.5 V AA batteries 
  - Operating Temperature: 0 °C to +50 °C
  - Storage Temperature: -20 °C to +70 °C
  - Protection Rating: IP40
  - Features: Contact and non-contact measurement, integrated LED light for optical measurement, robust design, easy one-hand operation
- Dimensions: 185 x 70 x 40 mm
- Weight: 600 g
- Country of origin: Germany
- HS code: 902920