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A4950 – Stroboscope

A4950 Stroboscope


Key features:

  • High power LEDs with lens and reflector system
  • Flashing frequency range from 0,5 Hz – 500 Hz (30 RPM to 30 000 RPM)
  • Flash frequency divider and multiplier
  • Control of the flash duration
  • Phase shift or shift by blades function available
  • Flashing controlled by internal or external triggering
  • Powering for external laser tacho-probe
  • Trigger output for external instrument (balancer)
  • Torch mode
  • Powered by 2 AA batteries
  • Heavy duty case
  • Tripod mounting plate
  A4950 is handheld LED stroboscope for a wide range of machinery maintenance applications. Stroboscope enables to ostensibly stop rotating or generally periodic (reciprocating) motion of a machine. It allows also to find out the speed of rotation or to perform synchronized measurements without having to use reflective markers on the shaft. The A4950 stroboscope uses three ultra-bright LEDs with optical system as a source of flashes. The instrument is equipped with a colour graphic display and 3-buttons keypad. Operation is very easy and intuitive. Two standard or rechargeable AA batteries are used for powering. The A4950 stroboscope can be used also as a tachometer by connecting an external tacho probe.  
Light source:3 XR-E ultra-bright LED
Flash frequency range:0,5 Hz – 500 Hz (30 RPM – 30 000 RPM)
Flash frequency resolution:0,01 Hz or 0,1 RPM
Flash duration:0,5° – 10° of revolution frequency
Flash intensity:approx. 3000 lx (25 Hz/300 mm)
Phase shift:-180° – +180°
Trigger output pulse:3,3 V
External trigger input pulse:1 V – 5V positive/negative
Powering for external tacho:5 V / 50 mA
Display:colour graphic OLED display 128 x 128 pixels
Operating time:up to 20 hours (lithium batteries)
Operating temperature:-5 °C – 55 °C
Dimensions:150 x 60 x 35 mm
Weight:340 g (including batteries)
Tripod mount:1/4″
Accessories:laser tacho-probe (optional), trigger cable for VA3, VA4 (optional)

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