Capable of measuring low speed from 0.1 to 25,000 rpm without changing the range setting. Equipped with an LCD that shows numerical values and units using large digits and letters. Available functions include: a memory function that stores maximum, minimum, and last-measured values plus 10 other measurements; and a unit conversion function that can display values in various units such as rpm, ft, in, mil, and m. Power is provided by two AA alkaline batteries.

Features:
1. Capable of measuring low speed from 0.1 to 25,000 rpm without changing the range setting

2. Capable of a wide range of unit conversion and indication
rpm, ft, in, mil, m

3. Capable of storing maximum, minimum, and last-measured values plus 10 other measurements

4. Two series are available: LCD type and LED type
LCD (liquid crystal display) type: the DT-105A series with a large display for numerical values and units.
LED (light emitting diode) type: the DT-107A series with a display that is clearly visible even in dark environments.

5. Lightweight and durable housing made of die-cast aluminum

6. Energy-saving design
Capable of long-time measurement with two AA alkaline batteries.
(DT-105A: approx. 60 consecutive hours; DT-107A: approx. 30 consecutive hours)