GW Instek APS-9301 - Page 9

APS-9?9! c! .APS-9501 U S( APS - 9102 ser's Manual
i\iliir.ctel. and pro1 ide a 1 10V's output voltage automatically.
3) C miect a ctandard true RMS ammeter and variable resistor to the
out12 ~t socket of .4PS-93011950119102.
1) .\djuct the APS - 93011950119102's output voltage or the variable
:.e\i.;rn~. till
to ,net I .SA exactly seen from the true RMS ammeter.
5 F cx.; the key 'LOCK'. the cal~brat~on of the low range of ammeter of
\PT-Q3011950119102 is completed.
B. Hrph I - nnpe calibration
I) hlake 5ul.e the Coarse indicator appear lit. If not, press the key
'COARSE' to turn on the indicator.
71 P.-ev the key 'A'. .APS-9301/9501/9102 will offset the high range of
am~i~ter and provide a 1 IOV's output voltage automatically.
31 C Innect a qtaiidald true RMS ammeter or a var~nble resistor to the
out17 it wchet of APS-9301/95011910?
-1 1 ;\cI.iuct the APS - 93011950119 102's output voltage or the variable
re5lqtnr till to get 2.5A(9301) /4A(950l) /8.0A(9102) seen from the true
Rh'IS ammeter.
5) Pie55 the key '1,OCK'. the calibration of the high range of ammeter of
APS-930 11950 I19 102 is completed.
6. \k-;!Ttagc Vleter Calibration
Tliei-c are low and liigli I-anges calibration for wattage meter
A. L(l\v range calibration
1) Ynke sure the Coarse indicator is extinguished, if not. press key
'COARSE' to put out the indicator.
7) PIES'; the key 'W'. APS-93011950ll9102 will offset the low range of
n-ar:a~e rnetes and provide a 240V's output voltage automatically.
3
1 Cc,nnect a standard tlue RMS wattage meter and a variable resistor to
tlie
n.iti1~1t cocket of APS93011950119102.
Note: The closer the voltage sensing point of wattage meter is to the
Output socket, the better.
4) Adjust the APS-9301/9501/91O?'s output voltage or the variable
resistor till to get 300W seen from standard
RhlS wattage meter exactly.
5) Press the key
'LOCK', the calibratioc of the Ion range of wattage
meter of APS-9301/950119102 is completed
B. High range calibration
1) Make sure the coarse indicator appear lit. If not. press the ke!.
'COARSE' to turn on the indicator.
2) Press
the key 'W', APS-9301/9501/9102 will offset the high range of
wattage meter and provide a
1 l0V's output voltage autoliiatically.
3) Connect a standard tlue RMS a attage riieter and a vanable reqi5tor to
the output socket of APS
- 93011950119 102
Note: The closer the voltage sensing point of wattage nieter is to the
Output socket, tlie better.
4) Adjust the APS - 93011950119102's output voltage or tlie variable
resistor till to get
300W(9301) I 450\17(9501) 1900W(9102) seen from the
standard RMS wattage nleter exactly.
5) Press the key 'LOCK', the calihl-ation nf the high range of wattage
meter of APS - 93011950119102 is completed.
7. Turn off the input circuit breaker of APS - 9301190519102 after the
calibration
is completed. Then turn on tlie input
c~rcuit hreaker again. the
APS
- 930 11950 119 102 will operate norri~all!..
8.Each function of calibration is independent. If only one or two items
need to be calibrated. it is not necessary to calibrate all the items.
9.If the calibration have to be interrupted during the calibration procedure.
you can press the key of 'PF'. 'A'. or 'W' of tlie voltmeter. ammeter. or
wattage meter respectively to stop the calibration.
1O.If the calibration can not be processed. please call for service
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