HT HT2234N Digital Optical Tachometer

Speed Measurement (without contact):

RPM: 10.00 ÷ 99999; ± (0.04%rdg + 2dgt)

RPS(Hz): 0.200 ÷ 2000.0; ± (0.04%rdg + 2dgt)

Speed Measurement (with contact):

m/min: 2.000 ÷ 2999.9; ± (0.04%rdg + 2dgt)

RPM: 20.00 ÷ 29999; ± (0.04%rdg + 2dgt)

ft/min: 6.00 ÷ 10000; ± (0.04%rdg + 2dgt)

yard/min: 4.00 ÷ 3000; ± (0.04%rdg + 2dgt)

Event Counter:0 ÷ 99999 10kHz with 5% Duty Cycle

Measuring Distance: 50 to 300 mm

Time base: 4.0 MHz Quartz Crystal

Range selection: Autorange

Display: 5 digit LCD 99999 counts

Sampling rate: 0.7 sec (> 60 rpm)/ > 1 sec (10 to 60 rpm)

Battery type: 4 x 1.5V battery type LR03 AA

Low battery indication: "BT" is displayed when the batteries level is too low.

AutoPowerOFF 30 minutes

Size: 162(L) x 63(W) x 36(H)mm

Weight (including battery): about 190g (included batteries)

Accessories:

Rubber terminals in different shapes

Reflecting band

Mechanical adapter + fastening screw

Batteries and user manual

Rubber protection ring

Carrying bag HT2234N

Datasheet 

Manual