PF9800seriesUser’sManual
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Chapter8CalibrationandInspection
8.1Conditionsforcalibrationandinspection
(1)Ambienttemperature:23℃± 2℃
(2)Ambienthumidity:35%~55%
(3)Voltageofpowersupply:220V
±
11V
(4)Frequencyofpowersupply:50Hz
±
1Hz
(5)Preheatingtime: ≥30minutes
(6)Nomechanicalvibrationand electromagneticinterferencearoundtoaffect
thenormalwork.
8.2Technicaldocumentsofcalibrationandtestbased
(1)JJG
(
Zhe
)
90-2007 Digitalmultimetercalibrator
(2)JJG780-1992 ACdigitalpowermeter
(3)JJG
(
Zhe
)
89-2007 Electricparameterstestmeter
8.3Equipmentsforcalibrationandtest
(1)Standardmeter(0V~600V,0A~20A)
Theprecisionbetween45Hzand65Hzshouldbetterthan0.05%.Theuncertainty
ofotherfrequencyshouldbelessthan1/3to1/5ofthemaximumpermissible
errorofthedetectedinstrument.
Recommend:PF2010digitalpowermeterfromEVERFINE.
(2)Signalsource
(
0V~600V
,
0A~20A
)
Theprecisionbetween45Hzand65Hzshouldbetterthan0.02%/3min.The
stabilityofotherfrequencyshouldbebetterthan1/5to1/10oftheaccuracythe
detectedinstrument.
Recommend:YS6100standardpowerfromEVERFINE
(
testbetween45Hzand