Extech RPM33 Specifications

RPM33 Combination Contact/

Laser Photo Tachometer

Quickly measure RPM, surface speed and
length with one tool. Use the contact wheel
for up-close readings or laser mode for
safer, non-contact measurements up to

1.6ft (0.5m) away.

Contact

RPM measurement

Laser Photo

RPM measurement

Features

• Large 5 digit backlit LCD display

• Microprocessor based with quartz crystal oscillator to

maintain high accuracy

• Store/recall 10 data sets in memory with 4 parameters

(measurement, max, min and average)

• Provides wide RPM (photo and contact) and Linear

Surface Speed/Length (contact) measurements

Applications:

• Contact RPM

- fl ywheels

- conveyors

- pumps

- elevators

• Laser guided for greater distance non-contact

measurements up to 1.6ft (500mm)

• Complete with contact wheel for rpm or linear

surface speed/length, 9V battery, refl ective tape

and soft case

• Non-Contact RPM

- motors

- fans

- gears

Specifi cations Photo mode Contact mode

Range (rpm) 2 to 99,999rpm 2 to 20,000rpm

Surface Speed — 0 to 78,720 inches/min

— 0 to 6560 ft/min

— 0 to 2186 yards/min

— 0 to 2000 m/min

Length — 3.9 to 39370 inches

— 0.3 to 3280 feet

— 0.1 to 1093 yards

— 0.1 to 1000 meters

Frequency (Hz) — 333 Hz

Accuracy 0.05% rdg +1 digit 0.05% rdg +1 digit

Sampling Time 0.5 Sec > 120rpm

Resolution 0.1rpm (< 10,000 rpm); 1rpm (> 10,000 rpm)

Dimensions / Weight 6.2 x 2.3 x 1.6”(160 x 60 x 42 mm) / 5.3oz (151g)

PRODUCT DATASHEET PRODUCT DATASHEET

Ordering

RPM33 .............. Combination Contact/Laser Photo Tachometer

Specifi cations subject to change without notice. Copyright © 2012-2013 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 1/15/13

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