The DT-721 Digital Stroboscope is a highly stable, industrial-quality instruments for non-contact RPM  measurement as well as for inspection and observation of moving parts by “freezing” or “slowing down” the action. Supplied in a rugged housing that is tripod mountable.
External Trigger Operation:
Suitable for applications requiring external control of the flash rate using a sensor or other input device. An external power source may be required.
Digital Syncronous Output:
Connect multiple components in series with a NPN 12V DC 50mA Signal.
Complete Kit:
Optional Complete Kit is offered for both models which also includes a carrying case and spare flash tube at minimal additional cost.
Features:
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AC or battery-powered models
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Highly accurate speed control with drift-free operation
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Easy-to-use controls with bright LED display
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Instant double (2x) and half-rate (÷2) flash selection
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Accepts input from sensor for external flash triggering
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Phase shift adjustment permits movement of objects to desired position for convenient observation
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Extremely lightweight and rugged
Specifications:
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Flash Range: 40 - 12,500 FPM (Flashes Per Minute)
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Accuracy: ±0.02% of reading
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Resolution:
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0.1 , 40.0 – 4,999.9 FPM
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0.2 , 5,000.0 – 7,999.8 FPM
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0.5 , 8,000.0 – 9,999.5 FPM
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1.0 , 10,000.0 – 12,500.0 FPM
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Display: 5-Digit LED, 0.3" (8 mm) height
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Rate: Divide by 2, Multiply by 2
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Update Time Ext. mode: varies with flashing rate
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Operating Time: Continuous
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Flash Tube: Xenon,
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Flash Duration: 10 - 15 ěs
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Signal Output: NPN Open Collector (24 VDC max., 50 mA) 150 ěs typical
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Phase Shift: Internal mode only by using the “+” and “–” switches
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External Trigger
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(a) 12-24 VDC thru a 3-wire NPN output sensor (requires external power supply) INPUT SIGNAL
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(b) 12 VDC thru a 2-wire proximity sensor (leakage current 1 mA max., Load current 8 mA min.)
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(c) Switch or Relay contact
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Power Requirements: 115 VAC ±10% 60/50 Hz
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Operating Temperature:32° – 104° F (0 – 40° C)
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Dimensions: 9" L x 4.3" W x 8.5" H (Height includes handle)
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Weight: 1.5 lbs. (0.7 Kg)
Kit Descriptions
ELE-DT-721: DT-721 Stroboscope 115VAC
ELE-DT-721-2: DT-721-2 Stroboscope 230VAC
ELE-DT-721-KIT: DT-721 Stroboscope 115VAC, Carrying Case and Spare Flash Tube
ELE-DT-721-2-KIT: DT-721-2 Stoboscope 230VAC, Carrying Case and Spare Flash Tube
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