Lutron DT2268
Photo Contact Tachometer
PHOTO / CONTACT TACHOMETER
Model: DT‑2268
Features
- World’s patent, multi‑functions in one instrument combine Photo Tach (RPM) & Contact Tach (RPM, m/min, ft/min).
- Wide measuring range from 0.5 to 100,000 RPM.
- High resolution with 0.05% accuracy.
- Last value, max. value and min. value will be stored in memory automatically and can be obtained by pressing MEMORY CALL.
- Large LCD display, easy reading.
- High visible LCD display gives RPM reading exactly with no guessing and saves battery energy.
- Battery operated, compact and light weight, easy to carry.
- Photo tachometer uses exclusive one‑chip microcomputer LSI circuit with smart measurement & fast sampling time.
- Use durable, long‑lasting components including strong, lightweight ABS plastic housing.
- Housing cabinet ergonomically shaped for comfortable hand operation.
Specifications
General Specifications
| Display | LCD display, 5 digits with display unit, 10 mm digit height. |
| Accuracy | ± (0.05% + 1 digit) |
| Time Base | Quartz crystal. |
| Circuit | Exclusive one‑chip microcomputer LSI circuit. |
| Photo Tachometer Detecting Distance | 50 to 500 mm (typical). |
| Photo Tach Light Source | Less than 1 mW. Class 2 laser diode. Red wavelength ~645 nm. |
| Operating Temperature | 0 to 50°C (32 to 122°F). |
| Operating Humidity | Less than 80% RH. |
| Memory | Last / Max. / Min. value. |
| Power Supply | 4 × 1.5V AA (UM‑3) batteries. |
| Power Consumption | Photo type: Approx. DC 153 mA. Contact type: Approx. DC 10 mA. |
| Size | 215 × 65 × 38 mm (8.5 × 2.6 × 1.5 inch). |
| Weight | 240 g (0.52 lb). |
| Accessories Included | Carrying case — 1 PC. Reflective tape marks (600 mm) — 1 PC. RPM adapter (Cone) — 1 PC. RPM adapter (Funnel) — 1 PC. Surface speed test wheel — 1 PC. Operation manual — 1 PC. |
Measurement Specifications
| Measurement | Range | Resolution |
|---|---|---|
| Photo Tachometer | 5 to 99,999 RPM | 0.1 RPM (< 1,000 RPM); 1 RPM (> 1,000 RPM) |
| Contact Tachometer | 0.5 to 19,999 RPM | 0.1 RPM |
| 0.5 to 1,999.9 m/min | 0.1 m/min | |
| 0.5 to 6,560 ft/min | 1 ft/min |
Patent
IRE D‑7295 next foreign country’s patent & patent pending:
USA ‑ 4,823,080 · GERMANY ‑ 69015492.4 · GB708922.0 ·
TAIWAN ‑ 45478 & other countries patent pending.
| Selling Unit | EACH |
|---|---|
| Model No | DT2268 |
| Brand |
|
| Description | Photo Contact Tachometer |
| Width | 65mm |
| Height | 38mm |
| Length / Breadth / Depth | 215mm |
| Weight | 52.3g |
| Categories |
Test & Measurement Equipment Digital Test Equipment Tachometers |
| Data Sheet |
|
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