Shimpo Instruments PT-120 Data Sheet

The Shimpo Model PT-120 Contact Tachometer
is a simple to use, ergonomic, rugged test in­strument for rotational speed applications.

velocity analyzing and measuring device is ideal for rota­tional machine inspection and process speed analysis. The
PT-120 possesses a large backlit LCD screen that provides
clear viewing in any environment. With a simple selection
switch users can obtain readings in either RPM, meters,
meters per minute in metric models or RPM, feet and feet
per minute in imperial models. During testing, the unit auto­matically saves maximum, minimum, last recorded values
and up to 96 logged data readings. The compact, light­weight PT-120 Tachometer comes standard with 3 AAA bat­teries, protective carrying case, plus several contact adapt­ers and contact wheel.

This

Features

PT-120 Contact Tachometers

• Metric or Imperial models with 3 unit selection by simple adjusting selector switch.

• Lightweight, ergonomic design allows comfortable long term usage.

• Large, backlit LCD for easy viewing in both bright and dim environments.

• Automatically records Maximum, Minimum, Last Value as well as up to 96 data points during testing.

• Quickly review after testing by pushing the MEM button.

• Includes contact wheel and cone adapters.

PT-120 with included

protective carrying case.

PT-120 Specifications

Range

PT-122: 0.5-19,999 RPM, 0.05-1999.9 m/min, 0.05-99,999 m; PT-121: 0.5-19,999 RPM, 0.16-6559.6 ft/min,

0.16-99,999 ft

0.1 RPM (2.5-999.9 RPM), 1 RPM (above 1000 RPM)

0.01 m/min (0.05-99.99 m/min), 0.1 m/min (100+ up m/min)

Resolution

0.02 m (0.05-99,999 m)

0.03 ft/min (0.16-99.99 ft/min), 0.3 ft/min (100 ft/min and up)

0.04 ft (0.04-99,999 ft)

Display 5 digit, 0.7” (18 mm) LCD

Accuracy +/-0.05% + 1 digit

Sampling Time 0.8 second (over 60 RPM)

Memory

Automatically stores Maximum (UP), Minimum (dn), last value (LA) and up to 96 readings for review. Max­imum speed for reading storage is every 0.8 seconds.

Dimensions 6.7 x 2.8 x 1.4 (170 x 70 x 35 mm)

Power 3 x 1.5V AAA battery

Enclosure ABS plastic housing

Product Weight 0.45 lb (0.20 kg)

Package Weight 1.00 lb (0.45 kg)

Certifications CE

Warranty 1 Year

Included Accessories

3 AAA batteries, protective carrying case. Large & small cone adapter, funnel, surface wheel, 3.87” (98.3
mm) cir.

Ordering Details

PT-122 Contact Tachometer with RPM, meter/min, meter units selection

PT-121 Contact Tachometer with RPM, feet/min, feet units selection

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PRODUCT DIAGRAM

1. Measurement Button

2. Function Select Switch

3. Memory Button

4. LCD Display

5. Battery Cover (On Back)

6. Contact Adapter

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