DT-315A Battery Powered Digital Stroboscope

Made in Japan
DT-315A Stroboscope
Click images to enlarge.
Flash Range: 40-35,000 RPM/FPM

The DT-315A is a rugged, battery powered stroboscope designed for non-contact RPM measurement, inspection and observation of moving parts by "freezing" or "slowing down" the motion. The DT-315A provides power flexibility as in addition to its internal rechargeable battery it can operate from AC power.


  • Highest accuracy and most stable flash rate
  • Accepts external trigger input and provides synchronizing pulse output
  • Easy-to-read LED display
  • Phase shift for best view and flash photography
  • Easy-to-operate controls
  • Flash rate control
  • Detachable pistol-grip handle
  • Instant double and half-rate flash selection for error-free reading
  • Provides 12 V DC power for external sensors

Optional Carrying Case

Optional Carrying Case for DT-315A StroboscopeHard plastic carrying case with custom molded insert allows for safe storage and easy transportation. Provides storage space for the DT-315A, AC adapter, and accessories.

Light Output (LUX) vs Distance

light output
at 30 cm Distance, 6000 flashes/min (FPM)

Related Products

Click image for more info
Flash tube
Click image for more info
Protective Rubber Caps for 300 Series Stroboscopes
Click image for more info
Tripod for Tachometers and Stroboscopes
Click image for more info
Articulating Stroboscope Swing Arm
DT-311A Stroboscope
Click image for more info
AC Powered Digital Stroboscope
- Highest accuracy and most stable flash rate
- Provides 12 V DC power for external sensors
Click image for more info
High-Intensity LED Stroboscope (18 LEDs)
- Extraordinary durability with extruded aluminum, NEMA 4X (IP65) construction
- Bright LED display and simple controls aid in user operation


Flash Range40-35,000 FPM
AccuracyInternal Mode: ±0.01% of reading
External Mode: ±0.01% or ± 1 digit
Resolution0.1 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 TimeInternal Mode: 0.2 seconds
External Mode: ±0.01% or ± 1 digit
Input SignalLO level: 0-0.4 VDC
HI level: 2.5 - 12 VDC -- or open collector (npn)
pulse width 50us min
Output SignalSynchronous, 400 µs pulse, 0 to approx. ± 12 V DC 1000 ohms impedance
Display & RateDivide or multiply by 2, selectable
Operating Temperature32-104 °F (0-40 °C)
Display5 digits, 10 mm high, red LED
FlashtubeXenon, 10 W maximum
Flash Duration10-30 µs
Sensor Power Supply12 VDC ± 0.5V (50ma)
Power RequirementsInternal Rechargeable battery
Weight4.4 lbs. (2 kg)
Dimensions4.7 x 5.6 x 9.7" (120 x 141 x 248 mm)
Warranty2 Years
Phase Shift0 - 359° with 1° resolution or
0 - 333 ms from 200 - 3,000 FPM
Input Impedance10,000 ohms


Buy Now

Check the items you would like to purchase then click "Buy Now"
  Item Description Price  
Battery Powered Digital Stroboscope, 115V Adapter
Battery Powered Digital Stroboscope, 230V Adapter
NIST Traceable Calibration Certificate
Spare flash tube for DT-300 Series Strobes (FLASHTUBE311-2)
Carrying Case for DT-300 Series Strobes
Protective Rubber Caps for DT-300 Series Strobes
Spare / Replacement NiCad battery pack for DT-315A
Articulating Swing Arm for Stroboscopes
Replacement / Spare Charger DT-315A 100-240 VAC
Input / Output Connector for DT-311A, DT-315A Stroboscopes
Spare Flash Tube Removal Tool
In stock
1 Week Lead Time (Estimated)
2-3 Week Lead Time (Estimated)
Lead Time Varies, Please contact us for availability.