The DT-311D is a portable, highly stable, industrial-quality stroboscope for non-contact inspection and observation of moving parts by providing the user the illusion of stopped or slowed down equipment movement. Constructed with a rugged metal enclosure, the DT-311D’s withstand harsh, industrial usage. The universal power range (85-240 VAC) allows one model to be utilized on various power voltages in a multitude of countries. The included top & bottom handles aid in portability and usage flexibility. The control adjustment settings allow the flash rate to be readily altered by the user to visually inspect rotating or reciprocating machinery such as gear teeth, rotors, shafts, rewinders, printing presses, etc. all without stopping production.
External trigger mode with connected remote sensor input enables the flash rate to be synchronized to the speed of the process. These features make the DT-311D universally-powered stroboscope ideal for quality inspection and preventive maintenance of automated motion equipment.





Model DT-311D
Accuracy ±0.01% F.S.
Resolution 0.1 from 60-6,000; 1 from 6,001-12,000
Display 5 digits 0.4" (10 mm) height
Flashtube Power/Life Xenon ≤ 45W / 50,000,000
Flash Duration 10-30 μs automatically adjusts with flash rate
External Trigger Input 5 V dc ~ 12 V dc pulse signal input (high level trigger) from sensor
Sensor Power Supply 12 V dc up to 50 mA
Lux Rating 8" (20 cm) Distance = 1550 lx @ 1500 fpm, 2350 lx @ 6000 fpm with 15.5" (400 mm) irradiation diameter.
20" (50 cm) Distance = 650 lx @ 1500 fpm , 580 lx @ 6000 fpm with 23.5" (600 mm) irradiation diameter
Power Requirement 85-240 VAC 60/50 Hz
Operating Temperature 32 - 104°F ( 0 - 40°C )
Dimensions 8.3 x 4.7 x 4.7" (210 x 120 x 120 mm)
Product Weight 2.2 lb (1.0 kg)
Package Weight 2.6 lb (1.2 kg)
Warranty 1 year
Certification CE, RoHS
Included Accessories Top & bottom handles, 9.8'(3 m) power cable, 3 pin female M16 theaded connector
Ordering Details  
DT-311D Heavy duty, universally powered (85-240 VAC) xenon stroboscope
DT-311D-EU Same as DT-311D with EU power plug
NIST-STROBE NIST traceable certificate for digital stroboscopes, includes datag
735-EXTSIG-CBL 3 Pin External Signal Input Cable
FLASHTUBE735 Replacement flashtube
735-HANDLE-TOP Replacement top handle
- Heavy-duty construction enclosure provides exceptional durability
- Highly focused reflector eliminates "blind" viewing areas
- External trigger input allows unit to be automatically synchronized with equipment
- Universal power capability from 85-240 VAC allows one model to handle a multitude of local power requirements
- Easy tri-pod or permanent mounting with integral mounting thread
DT-311D Xenon Stroboscope - Universal Power

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