The DT-311A and DT-311A-2 are no longer available. They have been replaced by model DT-3011N
Flash Range: 40-35,000 RPM/FPM
The DT-311A Stroboscope is designed for process inspection and non-contact RPM measurement. Portable, highly stable and accurate, industrial-quality tool for non-contact RPM measurement, inspection and observation of moving parts by "freezing" or "slowing down" the action.
AC-Powered version for use hand-held or can be fixed-mounted using the supplied 1/4-20 Threaded insert or using the optional Articulating arm accessory (model SAS-DT300).
Other models offered with built-in (DT-315A) or external battery (DT-315AEB).
NSN 6680-01-500-8316 (DT-311A)
- NIST-Traceable Calibration Certificate & Test Report optionally available
- Highest accuracy and most stable flash rate
- Provides 12 V DC power for external sensors
- Easy-to-read LED display
- Accepts external trigger input and provides synchronizing pulse output
- Easy-to-operate controls include flash rate adjustment, 2x, divide-2 and phase adjust
- Phase shift for best view and flash photography
- Detachable pistol-grip handle
- Instant double and half-rate flash selection for error-free reading
- Made in Japan
- 2-Year Warranty
Hard plastic carrying case with custom molded insert allows for safe storage and easy transportation. Provides storage space for the DT-311A, AC adapter, and accessories.
| Flash Range | 40-35,000 FPM |
| Accuracy | Internal Mode: ±0.01% of reading External Mode: ±0.01% or ± 1 digit |
| Resolution | 0.1 FPM: 40.0 - 4,999.9 FPM 0.2 FPM: 5,000 - 7,999.8 FPM 0.5 FPM: 8,000 - 9,999.5 FPM 1 FPM: 10,000 - 35,000 FPM |
| Drift | ±0.01% per °C |
| Update Time | Internal Mode: 0.2 seconds External Mode: ±0.01% or ± 1 digit |
| Input Signal | LO level: 0-0.4 VDC HI level: 2.5 - 12 VDC -- or open collector (npn) pulse width 50us min |
| Output Signal | Synchronous, 400 µs pulse, 0 to approx. ± 12 V DC 1000 ohms impedance |
| Display & Rate | Divide or multiply by 2, selectable |
| Operating Temperature | 32-104 °F (0-40 °C) |
| Display | 5 digits, 10 mm high, red LED |
| Flashtube | Xenon, 10 W maximum |
| Flash Duration | 10-30 µs |
| Sensor Power Supply | 12 VDC ± 0.5V (50ma) |
| Power Requirements | 115 V or 230 V AC (specify), 50/60 Hz, 30 VA |
| Weight | 2.6 lbs. (1.2 kg) |
| Dimensions | 4.7 x 4.7 x7.2" (120 x 120 x 183mm) |
| Warranty | 2 Years |
| EXTERNAL MODE ONLY | |
|---|---|
| Phase Shift | 0 - 359° with 1° resolution or 0 - 333 ms from 200 - 3,000 FPM |
| Input Impedance | 10,000 ohms |
| Item | Description | Price | ||
|---|---|---|---|---|
DT-311A-2 | 230V AC Powered Digital Stroboscope - Please contact us for pricing and availability. | $ | ||
| Accessories | ||||
NISTCAL | NIST Traceable Calibration Certificate | $100.00 | ||
311FH Spare flash tube for DT-300 Series Strobes - FLASHTUBE311-2 | $55.00 | |||
Carrying Case for DT-300 Series Strobes | $130.00 | |||
Protective Rubber Caps for DT-300 Series Strobes | $99.00 | |||
Articulating Swing Arm for Stroboscopes | $320.00 | |||
Input / Output Connector for DT-311A, DT-315A Stroboscopes | $30.00 | |||
Tripod for Tachometers and Stroboscopes | $35.00 | |||
311RT | Spare Flash Tube Removal Tool - BDTA3100080 | $20.00 | ||
ADTB3100090 | Lens and spacer for DT-300 Series Stroboscope | $33.00 | ||
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