Digital-Stylus-Force-Gauge

Project measure it 2 Digital Stylus Force Gauge

KAB Speed Strobe

The KAB SpeedStrobe was designed to replace and improve upon older strobe designs that relied on power line frequency or using a room light. This strobe is much much easier to use than conventional strobes. It is also more accurate and informative because it includes the ability to actually tell you the amount of error. Not just a go - no - go - test.

£125.00
Availability: In stock
SKU
KAB Speed Strobe

The KAB SpeedStrobe features a quartz locked illuminator with 99.99% accuracy. And since it is battery operated, it works everywhere. No need for 50 or 60 Hz versions. The Disc is silk screen printed on durable 20 mil PVC.

Instead of hypnotic bars, the KAB SpeedStrobe features the actual speed numbers. In use, the desired speed is read directly from the disc. no searching for the right band. Covers 16.66, 33.33, 45, 70.59 - 90 RPM. By timing the drift of the display over one minute, accuracy can be measured to 0.03%

Many Hi End turntables today still use hysteresis synchronous motors which rely on the line frequency to achieve accurate rotation. Using a conventional strobe to measure these turntables reveals a flaw: If the line frequency is low, the turntable will run slow, but so will the fluorescent light used to illuminate the strobe disc. Result: the strobe may show the correct speed, even though it is wrong! There is a definite need for an independent quartz crystal controlled illuminator.

    The KAB SpeedStrobe is fully independent thereby eliminating major sources of error. And the large disc is very easy to read compared to the inexpensive strobe discs which rely on a mains powered light bulb. Using a mains light bulb to read a normal strobe card is becoming increasingly difficult with so many lights changing over to LED or 250Hz versions which you cannot use to read a strobe.

SPECIFICATIONS
MARKER: 16 33 45 70 72 SPEED RPM: 16.66, 33.33, 45.00, 70.59, 72.00 MARKER: 73 75 76 78 80 SPEED RPM: 73.47, 75.00, 76.59, 78.26 80.00 MARKER: 81 83 85 87 90 SPEED RPM: 81.82, 83.72, 85.71, 87.80, 90.00

TO EVALUATE DRIFTING SPEED, TIME THE NUMBER OF ICONS

THAT MOVE IN AND OUT OF THE SPOTLIGHT IN 60 SECONDS.

 

TO COMPUTE ACTUAL SPEED,USE THE FOLLOWING FORMULA:

ACTUAL SPEED = 1 + (#ICONS DRIFT PER MIN / 3600) X RPM

 

TO COMPUTE THE PERCENT OF ERROR, USE THE FOLLOWING FORMULA:

DRIFT IN PERCENT = (#ICONS DRIFT PER MIN / 3600) X 100

.

FORMULA:

DRIFT IN PERCENT = (#ICONS DRIFT PER MIN / 3600) X 100 

SPECIFICATIONS

  • 10" 20 mil PVC Disc
  • Color: Black W/ White Lettering
  • Quartz Locked 60 Hz. Illuminator.
  • Accuracy: 99.99%
  • Speed Range: 16, 33, 45 70-90 RPM
  • Battery: Std. 9V Included
  • Shipping Weight: 2 Lb.


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