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Shimpo DT-721
Stroboscope Tachometer - AC Powered
See: DT-725 or DT-725-230V

  • Strengthened high impact plastic
  • Lightweight design easy to carry and operate
  • Phase shift enables focus on one particular area of rotating or reciprocating machinery
  • Continuous duty flash bulb
  • External trigger allows synchronization of the flash rate with the motion of the rotating machinery
  • Slave functions can control, or be controlled by, other strobes
  • Bright easy to read LED display easy to read
  • Unique rotary pulse indicator Permits strobe to be set at the exact flash rate without drift
  • Manual flash controller knob allows easy/accurate flash rate adjustments
Click here for a larger image - Shimpo DT-721Click here for a larger image - Shimpo DT-721
Shimpo DT-721 Shown

Product Information
Datasheet 200 KB PDF
Manual 200 KB PDF
Click here for Information Regarding PDF'sPDF Help

The DT-721 is packed with many of the same features as our famous DT-300 series but is lighter in weight. Constructed of strengthened high impact plastic, this rugged units is exceptionally reliable and withstands the same harsh conditions as more expensive units.

Also see DT-721KIT and DT-721KIT-220V

Specification DT-721
Flashing Range 40.0 - 12,5000 FPM (flashes per minute)
Accuracy ±0.02 % of reading
Resolution 0.1 FPM : 40.0 - 4,999.9 FPM
0.2 FPM : 5,000 - 7,999.9 FPM
0.5 FPM : 8,000.0 - 9,999.5 FPM
1 FPM : 10,000 - 12,5000 FPM
Phase Shift Use +/- push buttons (360° in 6 seconds)
Display Update Time Ext. mode : varies with flashing rate
Output Signal NPN open collector (24 VDC max., 50 mA), 150 μsec typical
Rate Multiplier/Divider Multiply by 2, divide by 2
External Trigger Input Signal a) 12 - 24 VDC thru a 3-wire NPN output sensor (requires external power supply)
b) 12 VDC thru a 2-wire proximity sensor (leakage current 1 mA max., load current 8 mA min.)
c) Switch or relay contact
Display 5 digits, 0.3" (8 mm) high, LED
Flash Tube Power/Life Xenon, 10 W max. (100 million flashes)
Flash Duration 10 - 15 μsec
Power Requirement 115 VAC or 220 VAC ±10 % 60/50 Hz
Operating Temperature 32° - 104° F ( 0 - 40° C )
Weight 1.5 lb (0.7 kg)
Dimensions 8.98" L x 4.33" W x 8.54" H (228 mm x 110 mm x 217 mm), including handle
Ordering Information
Model  Description Buy Online Price
DT721 Shimpo DT721 AC Powered Stroboscope Heavy duty plastic, 120 VAC Discontinued
See: DT-725
DT721230V Shimpo DT725230V Internal Battery Powered Stroboscope Heavy duty plastic, 220 VAC charger Discontinued
See: DT-725-230V
Go to DT-721 Kit Options >>
Included Items
  • 1 1 Year Warranty
  • 1 User Manual
Optional Accessories
FLASHTUBE721 Shimpo FLASHTUBE721 Replacement Stroboscope Flashtube for the DT-721 and DT-725  Buy Now Sale $42.30
(Reg. $47.00)
CARRY-CASE721 Shimpo CARRY-CASE721 Protective Carrying Case for the DT-725  Buy Now Sale $108.00
(Reg. $120.00)
NIST-TACH-IN Shimpo NIST-TACH-IN NIST Traceable Certificate of Calibration for Digital Stroboscopes  Buy Now Sale $90.00
(Reg. $100.00)
NIST-TACH-IN Shimpo NIST-TACH-IN NIST Traceable Certificate of Calibration for Digital Stroboscopes  Buy Now Sale $90.00
(Reg. $100.00)
SAS-DT300 Shimpo SAS-DT300 Articulating Flex Swing Arm, 41" Length  Buy Now Sale $166.50
(Reg. $185.00)
Optional Accessories - Sensors
BI2-S12 Shimpo BI2S12 3 wire proximity switch, includes 6.5' cable  Buy Now Sale $76.50
(Reg. $85.00)
SE-G Shimpo SEG Gear sensor, includes 1.5' cable Discontinued  Buy Now
MCS-3109 Shimpo MCS3109 Proximity Sensor High vibration applications, includes 6' cable  Buy Now Sale $193.50
(Reg. $215.00)