Lutron Electronics DT-2239A - User Manual

DIGITAL
STROBOSCOPE
Model : DT-2239A
Your purchase of this DIGITAL STROBOSCOPE marks a step
forward for you into the field of precision measurement.
Although this STROBOSCOPE is a complex and delicate
instrument, its durable structure developed. Please read the
following instructions carefully and always keep this manual
within easy reach.
OPERATION MANUAL

Lutron Electronics DT-2239A Specifications

General

Model	DT-2239A
Manufacturer	Lutron Electronics
Category	Test Equipment
Type	Digital Tachometer
RPM Accuracy	±(0.05% + 1 digit)
Sensing distance	50 to 500 mm
Time base	Quartz Crystal
Power supply	4 x 1.5V AA Batteries
Temperature Range	0 to 50 °C
Display	LCD
Measurement	RPM
RPM Resolution	0.1 RPM
Temperature Accuracy	±1 °C
Temperature Resolution	0.1 °C

Summary

Product Features and Overview

General Specifications

Flash Tube Specifications

Front Panel Description

Measurement Procedures

Preparation for Measurement

Connect power cord, plug into outlet, turn on power, and select range.

Checking Speed (RPM;FPM)

Procedure to measure rotational speed using the stroboscope, adhering to duty cycle.

Checking Motion

Technique for analyzing motion by adjusting flashing rate for slow-motion effect.

Flash Tube Replacement

After Service Center Information