The Lutron DT-2336 combines a photo tachometer (5 to 99,999 RPM), a contact tachometer with surface speed, a stroboscope (100 to 99,990 FPM) and Type K and Pt 1000 thermometer inputs in one handheld meter, with ± (0.05 % + 1 digit) tachometer accuracy and Last/Max/Min memory.
The Lutron DT-2336 is a multi-function handheld instrument that brings five measurements together: a photo tachometer, a contact tachometer, a stroboscope, a Type K thermocouple thermometer and a Pt 1000 Ω thermometer. The photo tachometer reads from 5 to 99,999 RPM using a high-intensity white light beam, with 0.5 RPM resolution below 1,000 RPM and an accuracy of ± (0.05 % + 1 digit). Its typical detecting distance is 50 to 150 mm, up to 300 mm depending on ambient light.
In contact mode, with the supplied cone and funnel RPM adapters, it measures 0.5 to 19,999 RPM, and with the surface speed test wheel it reads linear speed in m/min, ft/min or in/min (0.05 to 1,999.9 m/min). The stroboscope flashes from 100 to 99,990 RPM/FPM, adjusted with a digital rotate knob and ×2, ÷2, + and − buttons, with an accuracy of ± (0.1 % + 2 d).
With an optional probe, the same meter measures temperature: Type K from -100.0 to 1300.0 °C and Pt 1000 Ω from -10 to 70 °C, both with 0.1 °C resolution. The last, maximum and minimum values are stored automatically and recalled with the REC button. The meter runs on four UM3-AA batteries or an optional DC adapter, and an optional USB or RS232 cable with data acquisition software connects it to a PC.
| Manufacturer | Lutron |
|---|---|
| Model | DT-2336 |
| Functions | Photo tachometer (RPM); contact tachometer (RPM, m/min, ft/min, in/min); stroboscope; Type K thermometer; Pt 1000 thermometer |
| Photo Tachometer Range | 5 to 99,999 RPM |
| Photo Tachometer Resolution | 0.5 RPM (< 1,000 RPM); 1 RPM (≥ 1,000 RPM) |
| Photo Tachometer Accuracy | ± (0.05 % + 1 digit) |
| Photo Detecting Distance | 50 to 150 mm / 2 to 6 inch (typical max. 300 mm / 12 inch, depending upon ambient light); specified with 10 mm square reflecting tape at 1,800 RPM |
| Contact Tachometer Range | 0.5 to 19,999 RPM; surface speed 0.05 to 1,999.9 m/min |
| Contact Tachometer Resolution | RPM: 0.5 RPM (< 1,000 RPM), 1 RPM (≥ 1,000 RPM); m/min: 0.05 m/min (< 100 m/min), 0.1 m/min (≥ 100 m/min); ft/min: 0.1 ft/min (< 1,000 ft/min), 1 ft/min (≥ 1,000 ft/min); in/min: 0.1 in/min (< 1,000 in/min), 1 in/min (≥ 1,000 in/min) |
| Contact Tachometer Accuracy | ± (0.05 % + 1 digit); when using the test wheel, accuracy can be affected by as much as 0.5 % of reading |
| Stroboscope Flash Range | 100 to 99,990 RPM/FPM |
| Stroboscope Resolution | 0.1 RPM (< 1,000 RPM); 1 RPM (1,000 to 30,000 RPM); 5 RPM (30,000 to 50,000 RPM); 10 RPM (50,000 to 99,990 RPM) |
| Stroboscope Accuracy | ± (0.1 % + 2 d) |
| Stroboscope Controls | Digital rotate knob, ×2 button, ÷2 button, + button, − button |
| Type K Thermometer Range / Accuracy | -50.0 to 1300.0 °C: ± (0.4 % + 0.5 °C); -50.1 to -100.0 °C: ± (0.4 % + 1 °C); -58.0 to 2372.0 °F: ± (0.4 % + 1 °F); -58.1 to -148.0 °F: ± (0.4 % + 1.8 °F) |
| Type K Thermometer Resolution | 0.1 °C / 0.1 °F |
| Pt 1000 Ω Thermometer Range | -10 to 70 °C / 14 to 158 °F |
| Pt 1000 Ω Thermometer Resolution | 0.1 °C / 0.1 °F |
| Pt 1000 Ω Thermometer Accuracy | ± 1.2 °C / ± 2.2 °F |
| Specification Conditions | Electrical specifications at 23 ± 5 °C; tested under RF field strength less than 3 V/M and frequency less than 30 MHz only |
| Display | 43 mm x 33 mm LCD, 5 digits, with display unit |
| Memory | Last / Max. / Min. value |
| Circuit / Time Base | Exclusive one-chip microcomputer LSI circuit; quartz crystal time base |
| Over Input Display | Indication of "- - - -" |
| Operating Temperature | 0 to 50 °C (32 to 122 °F) |
| Operating Humidity | Max. 80 % RH |
| Power Supply | UM3-AA x 4 (DC 6 V battery); DC adapter (optional) |
| Power Consumption | Approx. DC 42 mA |
| Standards | ISO-9001, CE, IEC1010 |
| Dimensions | HWD 207 x 67 x 39 mm (8.15 x 2.63 x 1.53 inch) |
| Weight | 230 g / 0.50 LB (meter only) |
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