REED K4030 Pistol Grip Digital Stroboscope


This digital stroboscope freezes the motion and measures the speed of a rotating object, without contact. The K4030 features flash rate speeds from 10 to 10,500 RPM and a push button keypad that quickly doubles or divides the flash rate speed.


  • Simply aim the instrument at the rotational object and synchronize the strobe's flash rate (FPM) with object speed (RPM)
  • Push buttons quickly double and divide flashing rate
  • 5-digit LED display
  • 5 to 30 minute duty cycle (RPM dependent)
  • Pistol grip handle
  • Tripod mount for stationary use
  • External trigger input
  • RS232 serial interface


Flash Range10 to 10,500 RPM
Resolution5 to 999.9 RPM: 0.1 RPM
1,000 to 9,999 RPM: 1 RPM
≥ 10,000 RPM: 10 RPM
Basic Accuracy<999 RPM: ±(0.15% rdg. +0.2 RPM) 
1,000 to 3,300 RPM: ±(0.5% rdg. +1 RPM)
3,301 to 10,500 RPM: ±1%
Flash Tube Specifications
TypeXenon lamp
Flash DurationApprox. 60 to 1000 µs
Flash ColorXenon white 6,500°K
Flash Energy4 Watt-seconds (joules)
Beam Angle80 degrees
General Specifications
Response Time<1 sec
Display Size/Type5 Digit LED Display
Internal MemoryYes (10 datapoints)
Tripod MountYes
PC ConnectivityUSB Cable (optional)
SoftwareSW-U801-WIN Software (optional)
Software CompatibilityWindows XP / Vista / 7
Power Supply110VAC, 50/60 Hz
Product CertificationsCE
Operating Temperature32 to 122°F (0 to 50°C)
Storage Temperature-4 to 140°F (-20 to 60°C)
Operating Humidity10-80%
Dimensions8.3 x 4.8 x 4.8" (201 x 120 x 120 mm)
Weight2.2lbs (1kg)