Download 10 - retek

Model 636 Zonal Lumen Seconds (ZLS) Output This test measures the output of
the strobe in a standard integrating sphere located within the Tester. The light output
measurement is integrated over the duration of the flash and the measurement is
displayed as correlated zonal lumen seconds on a meter on the Tester.
NOTE: This test is not necesssary if Strobe Exposure Test is within spec.
DETAILED TEST PROCEDURE
SUMMARY
1.
Turn the Test Selector Switch
located in the middle of the
panel to ZLS. (Be sure the
closeup lens is not in place.
1.
2.
Erect the flash and open the
camera door. Install door pawl
closure #12082.
3.
Install the camera on the Star horn. Align
the camera so the flash fits into strobe
adapter #12657B on the tester. (To assure
repeatable readings, the flash must be fully seated
in the adapter and pushed against the left wall with
the front of the apron firmly against the light box.
3.
Install camera on horn. Align to
Tester.
4.
Press the Reset Button.
4.
Press Reset.
5.
Cover the photocell on the
camera and press Sl/S10 fully
to charge and fire the flash.
5.
Cover photocell, press S1/S10
to fire flash.
6.
When the flash fires, observe the reading
on the ZLS meter. Record the reading and
compare it to the specification. NOTE: In
this test,l in addition to ZLS, you can also
observe strobe recycle time on the Timing
meter and amp/seconds on the DC Current meter.
6.
Record reading on ZLS meter.
Also check recycle time and
current drain. Compare
readings to spec.
7. Repeat Steps 4, 5 and 6 two more times to
insure accurate readings.
7.
Repeat 4, 5 & 6 two more times.
8.
8.
If readings are out-of-spec,
replace strobe.
2.
If ZLS, Recycle Time or Amp
Seconds are not within specification, replace the strobe.
99
Selector to ZLS. (No close-up
lens.)
Erect flash, open door, install
door pawl closure.