DT-2234B+ High-Precision Laser/Optical Dual-Mode Digital Tachometer | 5-digit LCD Large Display | Memory Function (Last/Max/Min Values) | Includes Reflective Marker and Carrying Case

Display: 5-digit, 16mm (0.77") LCD screen with function indicator symbols

Measurement Range: 2.50 ~ 99,999 RPM (revolutions per minute)

Resolution: 0.1 RPM (2.50 ~ 999.9 RPM)

1 RPM: (1,000 ~ 99,999 RPM)

Measurement Distance: Photoelectric Mode: 50 to 200 mm (2“ to 10”)

Laser Mode: 200 to 800 mm (8“ to 20”)

Measurement Accuracy: ±0.05% + 1 digit

Sampling Time: 0.8 seconds (≤ 60,000 RPM)

1.2 seconds (＞ 60,000 RPM)

Power Supply: 9V battery (Model 6F22)

Power Consumption: Approx. 35 mA (Photoelectric Mode)

Approx. 30 mA (Laser Mode)

Operating Temperature: 0 ~ 50°C

Dimensions: 131 × 72 × 28 mm

Weight: Approx. 160 g (including battery)

Key Features

Memory Function: Automatically stores last value, maximum value, minimum value. Cycle through readings using the “MEMORY” key (display symbols: LA / UP / dn).

Dual Measurement Modes:

Photoelectric Mode: Suitable for short distances and general reflective surfaces.

Laser Mode: Suitable for long distances, small targets, or low-reflectivity surfaces.

Reflective Marker Assistance: Includes reflective tape to enhance measurement stability for low-speed or low-reflectivity targets.

Auto Power Off: Saves power and extends battery life.

Large LCD Display: Clear readings with functional icon prompts.

III. Package Contents

Main Unit × 1

Portable Protective Case × 1

Reflective Marking Tape (approx. 600 mm) × 1 roll

9V Battery (6F22) × 1

User Manual × 1