Lutron DT-2268 – Photo/Contact Tachometer

SPECIFICATIONS

Measurement & Range

Photo Tachometer : 5 to 99,999 RPM.

Photo Tach. Laser light source

* Less than 1 mW.
* Class 2 laser diode.

Red Wave length is 645 nm approximately.

Contact Tachometer : 0.5 to 19,999 RPM.

Surface Speed :
m/min. – 0.05 to 1,999.9 m/min. ft/min. – 0.2 to 6,560 ft/min.

Operating Temperature

0to50°C(32to122°F ).

Operating Humidity

Less than 80% R.H.

Resolution

RPM:
0.1 RPM ( < 1,000 RPM ). 1 RPM ( 1,000 RPM ).

Memory

Last/Max./Min. value.

Battery

4 x 1.5V AA ( UM-3 ) batteries.

m/min.:
0.01m/min. ( < 100 m/min. ). 0.1m/min. ( 100 m/min. ).

Power Consumption

Photo type :
Approx. DC 153 mA.

Contact type : Approx. DC 10 mA.

ft/min.:
0.1 ft/min. ( < 1,000 ft/mn. ). 1 ft/min. ( 1,000 ft/mn. ).

Size

215 x 65 x 38 mm.
( 8.5 x 2.6 x 1.5 inch ).

Display

LCD, size 60 mm x 30 mm. 5 digits with display unit.

Weight

240g(0.52 LB).

Accessories Included

Carrying case………………… 1 PC. Reflecting tape marks
( 600 mm )……………………. 1 PC. RPM adapter ( CONE )

………………………………..1 PC. RPM adapter ( FUNEL )

………………………………..1 PC. Surface speed test wheel

………………………………..1 PC. Operation manual………… 1 PC.

Accuracy

± ( 0.05% + 1 digit ).

Time base

Quartz crystal.

Circuit

Exclusive one-chip of microcomputer LSI circuit.

Photo Tachometer detecting distance

50 to 500 mm typically.