Description
The DT-2234C+ Handheld Digital Laser Photo Tachometer is a high-precision, non-contact diagnostic tool designed to safely and accurately measure the rotational speed (RPM) of high-speed machinery. By combining microcomputer LSI circuitry with a precise quartz crystal time base, it delivers rapid, drift-free measurements without touching hazardous moving parts.
Key Features
- Safe Non-Contact Senses: Utilizes a built-in Class II laser beam targeting system to track object rotations via a small piece of adhesive reflective tape.
- Automatic Internal Memory: Instantly logs data during tests, allowing users to automatically recall Maximum (MAX), Minimum (MIN), and the Last recorded value by pressing the MEM button.
- High Contrast LCD Display: Features a large, clear 5-digit, 18mm (0.7″) segmented screen that reduces readability issues in poorly lit maintenance bays.
- Comfortable Ergonomic Enclosure: The physical housing is contoured symmetrically to comfortably match either the left or right hand during extended field usage.
- Low Battery Notification: Automatically triggers an on-screen warning icon when internal battery voltage drops below optimal operational thresholds.
Technical Specifications
| Parameter | Product Specification Details |
|---|---|
| Measurement Range | 2.5 to 99,999 RPM (revolutions per minute) |
| Resolution | 0.1 RPM (at 2.5–999.9 RPM) / 1 RPM (at 1,000 RPM and above) |
| Measurement Accuracy | ±(0.05% + 1 digit) |
| Sampling Time | 0.8 seconds (applicable for objects rotating above 60 RPM) |
| Effective Target Distance | 50mm to 500mm (approx. 2 to 20 inches) from laser emitter aperture |
| Time Base System | 6MHz Quartz Crystal oscillator |
| Power Supply requirements | Standard 9V (6F22 block) battery or four 1.5V batteries |
Practical Applications
- Industrial Plant Maintenance: Diagnosing conveyor systems, heavy gearboxes, industrial lathes, and process pumps.
- HVAC Systems Diagnostic: Pinpointing exact RPM deviations in ventilation fan blades and blower motor assembly pulleys.
- Automotive Engineering & Custom Hobbyist builds: Testing engine crankshaft speeds, custom RC motors, and car alternator setups.












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