Lutron DT-1236L – Laser Photo / Contact Tachometer

SPECIFICATIONS

Measurement & Range

Photo Tachometer : 10 to 99,999 RPM.

Circuit

Exclusive one-chip of microcomputer LSI circuit.

Contact Tachometer : 0.5 to 19,999 RPM.

Operating Temperature

0 -50°C(32-122°F).

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

Operating Humidity

Less than 80% R.H.

Memory

Last/Max./Min. value.

Resolution

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

Battery

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

Power Consumption

Photo type : Approx. DC 21 mA.

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

Contact type : Approx. DC 7 mA.

Size

215 x 67 x 38 mm.
( 8.5 x 2.6 x 1.5 inch ).

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

Weight

280g ( 0.61 LB )
* including batteries.

Display

5 digits, 10 mm ( 0.4″ ) LCD.

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 ), RPM only.

Detecting distance

5 cm to 200 cm typically.
* The specification detecting

distance ( max. 200 cm ) are tested under the 1800 RPM & the size of the reflecting tape is 1 cm x 1 cm.

Light Source

1 mW class 2 laser diode.

Time base

Quartz crystal.