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PT-121 Contact Tachometers

The PT-121 Contact Tachometer is a simple to use, ergonomic, rugged test instrument for rotational speed applications.

This velocity analyzing and measuring device is ideal for rotational machine inspection and process speed analysis. The PT-121 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-121 Tachometer comes standard with 3 AAA batteries, protective carrying case, plus several contact adapters and contact wheel.

Features

Imperial or Metric 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.

Technical Data

Technical Data
Range:	PT-121: 0.5-19,999 RPM, 0.16-6559.6 ft/min, 0.16-99,999 ft
Resolution:	0.1 RPM (0.5-999.9 RPM), 1 RPM (above 1000 RPM) 0.01 m/min (0.05-99.99 m/min), 0.1 m/min (100+ up m/min) 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 (0.16-99,999 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

Diagram

Measurement Button
Function Select Switch
Memory Button
LCD Display
Battery Cover (On Back)
Contact Adapter

Prices

Prices subject to change

Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only

Export orders require quotations - click here for a quote

For more info call us 1-800-762-2478 or 954-946-9454.

Item Number

Item

Prices

3 AAA batteries, Protective carrying case, Large & small cone adapter, funnel Adapter and Surface wheel, 3.87" (98.3 mm) cir.

TA-426011

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

$105.00

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