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Lutron Photo Contact Tachometer DT 2238
Specifications
| Country of Origin | India |
|---|---|
| Operating Humidity | Less Than 80%RH |
| Display | 5 digits 10mm(0.4") LCD (Liquid Crystal Display) with function annunciation |
| Size | 195x61x38.5mm(7.6x2.4x1.5inch) |
| Brand | LUTRON |
| Power | Photo type Approx.DC153mA |
| Operating Temperature | 0–50°C(32–122°F) |
| Battery | 4x1.5VAA(UM-3)battery |
| Model | DT 2238 |
| Weight | 280g(0.61lb)/including battery |
| Consumption | Contact type Approx.DC10mA |
| Circuit | Exclusive one-chip of microcomputer LSI circuit |
| Time Base | Quartz crystal 4.194MHz |
| Surface Speed | m/min 0.05–1999.9m/min. |
| Surface Speed Accuracy | ±(2%+1digit) If the circumference size of the surface test wheel is 10cm exactly |
| Memory Last | Max & Minvalue |
Key Features
- Measures rotational speed 5 to 99,999 RPM (contact & photo modes)
- Surface speed in m/min and ft/min
- 0.1 RPM resolution below 1,000 RPM
- Memory stores last, max, and min values (one-button recall)
- High-visibility LCD; low power consumption
- One-chip microcomputer LSI + crystal time base for high accuracy and fast sampling
- Durable lightweight ABS housing, ergonomic hand-fit
Product Description
Lutron Photo Contact Tachometer DT 2238 is a digital tachometer designed to measure rotational speed from 5 to 99,999 RPM using both contact and photoelectric sensors. Featuring data hold, max/min memory, and surface speed calculation, it provides accurate and reliable results for mechanical, industrial, and research applications. Compact and easy to use, the DT 2238 ensures precise performance, making it an essential tool for engineers and technicians working with rotating machinery.
Available on EnvMart, these Tachometers are designed to measure rotational speed accurately in motors, machines, and industrial equipment. Lutron Tachometers offer precise readings, durable construction, and reliable performance for maintenance, testing, and quality control applications.
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Frequently Asked Questions
The Lutron Photo Contact Tachometer DT 2238 measures rotational speed from 5 to 99,999 RPM in both contact and photo modes.
The DT 2238 can measure surface speed in meters per minute (m/min) from 0.05 to 1999.9 m/min.
The Lutron DT 2238 features a 5-digit 10mm (0.4") LCD display with function annunciation for clear visibility.
The operating temperature range for the Lutron DT 2238 is 0 to 50°C (32 to 122°F).
The DT 2238 has a memory function that stores the last, maximum, and minimum values, which can be recalled with one button.
The contact type power consumption for the Lutron DT 2238 is approximately DC 10mA.
The Lutron DT 2238 requires four 1.5V AA (UM-3) batteries for operation.
The weight of the Lutron DT 2238 is 280g (0.61lb), including the battery.
The surface speed accuracy of the Lutron DT 2238 is ±(2% + 1 digit) if the circumference size of the surface test wheel is exactly 10cm.
The operating humidity for the Lutron DT 2238 is less than 80% relative humidity (RH).
The dimensions of the Lutron DT 2238 are 195 x 61 x 38.5 mm (7.6 x 2.4 x 1.5 inches).
The Lutron DT 2238 utilizes an exclusive one-chip microcomputer LSI circuit for its operation.
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