5)The Stroboscope will also stop motion at 2:1, 3:1, 4:1 et.,
this is normally referred to as harmonics. To ensure
unison, turn the dial until two images appear - this will
double the actual speed. Then lower the flashing rate
until a single and stationary image appears - this is the
actual true speed.
4-3 Checking Motion
For motion analysis, simply locate the actual speed as
mentioned above and then turn the dial slowly up or down.
This will give a slow motion effect allowing complete
inspection.
5. FLASH TUBE REPLACEMENT
The flash tube requires changing when the instrument start
to flash erratically at speeds of 3600 RPM/FPM or more.
Caution :
* Change of the Flash Tube
should only be done by a
qualified technician. As the
instrument contains no user
serviceable parts.
* Before replace the tube, should
power off the meter, and wait
at least 15 minutes until the
circuit be discharged completely.
1)Loss ( rotate ) the " Front top cover " ( 3-14, Fig 1,
Fig. 2 ) and take away the " Front end protection cover ".
2)There is a plug and the socket for connecting the
the tube with the main instrument.
Take away the tube and replace the new unit.
3)Install the front top cover and end protection cover
again.
9
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