Detail Hioki FT3405 Tacho Hitester : 

• Convenient analog and pulse output functions
• Dust-proof construction and droop-proof to 1 meter
• Wide measurement range of 0.5000 r/s (30.00 r/min) to 9999. r/min
• Contact style testing available with optional contact adapter

Specifications :

• Measurement method : Non-contact: Using red visible-spectrum light and reflective tape
  Contact: Using optional Contact Adapter
• Measurement ranges Non-contact, AVG=ON :
  * Rotation (r/min) : (30.00 to 199.99) to (20000 to 99990)
  * Rotation (r/s) : (0.5000 to 1.9999) to (200.0 to 1600.0)
  * Period (ms) : (0.6000 to 1.9999) to (200.0 to 1999.9)
  * Count : 0 to 999999
• Measurement ranges Contact, AVG=ON :
  *Rotation (r/min) : (15.00 to 199.99) to (2000 to 19999)
  *Rotation (r/s) : (0.2500 to 1.9999) to (200.0 to 333.00)
  *Period (ms) : (3.000 to 19.999) to (200.0 to 3999.9)
  *Count : 0 to 999999
• Measurement ranges Contact, AVG=ON :
  * Straight-line speed (meter/min) : (1.500 to 19.999) to (200.0 to 1999.9)
  * Straight-line speed (meter/s) : (0.0250 to 1.9999) to (20.00 to 33.30)
  * Using with the Peripheral ring 9212 (option)
• Accuracy :
  Up to 9999 counts: ±1 dgt. (AVG=ON), ±10 dgt. (AVG=OFF)
  10000 counts or more: ±2 dgt. (AVG=ON), ±20 dgt. (AVG=OFF)
  20000 counts or more (r/min mode only) : ±20 dgt. (AVG=ON), ±100 dgt. (AVG=OFF)
  Straight-line speed measurement only: ±0.5 % rdg. add to above-mentioned accuracy
• Non-contact measuring detection range : 50 mm (1.97 inch) to 500 mm (19.7 inch)
• Display refresh rate : Approx. 0.5 to 10 times/s
• Functions (FT3406 only)
  N/A [Analog output] 0 to 1 V f.s., Accuracy: ±2 % f.s., Output resistance: 1 kΩ
  N/A [Pulse output] 0 to 3.3 V, Output resistance: 1 kΩ
  Can use with the AC adapter for power supply
• Dust and water proof :
  IP50 (EN60529)
  IP50 (EN60529)
• Common functions : MAX/MIN display, Display hold, Average, Auto power save, Buzzer sound, Drop-proof (1 m distance onto concrete surface)
• Power supply : LR6 (AA) alkaline battery ×2, Max. rated consumption 0.5 VA
• Operating time :
  Continuous use 30 hr
  Continuous use 25 hr
• AC power supply :
  N/A
  AC adapter Z1004
• Dimensions and mass : 71 mm (2.80 in)W × 186 mm (7.32 in)H × 38 mm (1.50 in)D, 230 g (8.1 oz) (including batteries)