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
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)
Functions (FT3406 only) :
[Analog output] 0 to 1 V f.s., Accuracy: ±2 % f.s., Output resistance: 1 kΩ
[Pulse output] 0 to 3.3 V, Output resistance: 1 kΩ
Can use with the AC adapter for power supply
Display refresh rate : Approx. 0.5 to 10 times/s
Dust and water proof : IP50 (EN60529)
Power supply : LR6 (AA) alkaline battery ×2, Max. rated consumption 0.5 VA
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)