Short Description

The Lutron DT-2259 is a professional 2-in-1 Digital Photo Tachometer and LED Stroboscope designed for precise non-contact RPM measurement and motion analysis of rotating machinery. It combines a high-accuracy optical tachometer with a powerful LED stroboscope, making it ideal for measuring rotational speed and visually inspecting moving components without stopping machinery. It is widely used in industrial maintenance, manufacturing, quality control, laboratories, automotive workshops, and educational institutions.

Key Features

• 2-in-1 Digital Photo Tachometer & LED Stroboscope
• Non-Contact RPM Measurement
• High-Visibility Orange LED Stroboscope
• Wide RPM Measurement Range
• Wide Flash Rate Range
• Large 5-Digit LCD Display
• Quartz Crystal Time Base
• Automatic Memory Recall
• Stores Last, Maximum & Minimum Readings
• High Accuracy Microprocessor Circuit
• Fast Response Measurement
• Adjustable Flash Rate
• Coarse & Fine Flash Adjustment
• Durable ABS Plastic Housing
• Lightweight & Portable Design
• Battery Powered
• Ideal for Industrial Maintenance

Applications

Suitable for:

• Electric Motors
• Pumps
• Fans & Blowers
• Gearboxes
• Conveyors
• Textile Machinery
• Printing Machines
• CNC Machines
• Production Lines
• Automotive Workshops
• Laboratory Equipment
• Quality Control
• Preventive Maintenance
• Research Laboratories
• Educational Demonstrations

Technical Specifications

Photo Tachometer

Stroboscope

Photo Detection Distance

• Standard Operating Distance: 50–150 mm
• Maximum Distance: Up to 300 mm (depending on ambient light)

Display

• 5-Digit LCD Display
• Digit Height: 10 mm
• Function Indicators
• Clear Digital Readout

Memory Functions

• Last Reading
• Maximum Reading
• Minimum Reading

Measurement Functions

• Non-Contact RPM Measurement
• Digital Stroboscope
• Motion Analysis
• Rotating Equipment Inspection
• Speed Verification

Sampling Time

Approximately 1 second (above 60 RPM).

Time Base

• Precision Quartz Crystal Oscillator

Operating Conditions

Operating Temperature:

• 0°C to 50°C

Operating Humidity:

• Less than 80% RH

Power Supply

• 4 × 1.5V AA Batteries (UM-3)

Dimensions

• 215 × 65 × 38 mm

Weight

• Approximately 300 g (including batteries)

Construction

• High-Impact ABS Plastic Housing
• Industrial-Grade Electronics
• LED Stroboscope Module
• Precision Optical Sensor

Standard Package Includes

• Lutron DT-2259 Tachometer & Stroboscope
• Reflective Tape
• Carrying Case
• User Instruction Manual

Advantages

• Combines Tachometer & Stroboscope in One Instrument
• Safe Non-Contact Speed Measurement
• Ideal for Motion Analysis Without Machine Shutdown
• High Measurement Accuracy
• Wide RPM & Flash Rate Range
• Bright Long-Life LED Light Source
• Rugged Industrial Construction
• Easy-to-Operate Controls
• Compact & Lightweight Design
• Reliable Performance for Continuous Industrial Use

Industries Served

• Manufacturing
• Automotive
• Mechanical Engineering
• Industrial Maintenance
• Textile Industry
• Printing Industry
• Paper Mills
• Food Processing
• Research Laboratories
• Educational Institutions
• Power Plants
• Quality Assurance