YOKOGAWA 2560A Manuals

User’s Manual IM 2560A-71EN 1/9 2nd Edition 2nd Edition : October 2017 (YMI) All Rights Reserved, Copyright © 2015, Yokogawa Test & Measurement Corporation Printed in Japan Model 2560A Precision DC Calibrator Simple Adjustment Procedure Have a qualified engineer perform simple adjustment of the 2560A at a specialized facility with sufficient precision. The simple adjustment values are retained even when the settings are initialized. If you need to adjust the 2560A more accurately than that is possible with the simple adjustment feature or if you want calibration and adjustment to be performed at a YOKOGAWA factory, contact your nearest YOKOGAWA dealer. If calibration and adjustment are performed at a YOKOGAWA factory, all settings will be initialized to their factory default values including the simple adjustment values. WARNING •� Ground�the�instrument�before�connecting�the�instrument�to�the�target�device.�The�power�cord� that comes with the instrument is a three-prong type power cord. Insert the power cord into a grounded three-prong outlet. •� Be�sure�to�turn�off�the�output�before�connecting�or�disconnecting�the�target�device. French AVERTISSEMENT •� Relier�l’instrument�à�la�terre�avant�de�le�brancher�sur�l’appareil�cible.�Le�cordon�d’alimentation� livré�avec�l’instrument�est�doté�de�trois�broches.�Brancher�le�cordon�d’alimentation�sur�une� prise�de�courant�à�trois�plots�mise�à�la�terre.� •� Toujours�mettre�hors�tension�avant�de�brancher�ou�de�débrancher�l’appareil�cible. In addition to the above items, be sure to observe the warnings and precautions provided in the�“Wiring�Precautions”�and�“Connecting�Wires”�sections�in�the�2560A�User’s�Manual,�IM� 2560A-01EN. Required Equipment and Components •� Digital�multimeter�(DMM)� Keysight�Technologies�3458A�or�equivalent •� Standard�0.1�Ω�and�10�Ω�resistors� �Yokogawa�Test�&�Measurement�Corporation�2792A03�and�2792A05,�or� equivalents •� Standard�temperature�device� Coper�Electronics�ZC-114A�or�equivalent •� Thermocouple�type�K� JIS�C1602�or�IEC�60584-1�compliant�product •� DC�current�sensor� Yokogawa�Test�&�Measurement�Corporation�CT200�or�equivalent Each piece of equipment and component must be calibrated and with sufficient precision. Adjustment Conditions •� Ambient�temperature:�23°C�±�2°C,�humidity:�20%RH�to�60%RH�(no�condensation),�warm-up�time:�at�least�60� minutes •� Permitted�supply�voltage�range:�90�VAC�to�132�VAC�and�180�VAC�to�264�VAC,�permitted�supply�frequency� range:�48�Hz�to�63�Hz •� For�100�mV�and�thermocouple�adjustment�ranges�of�the�2560A,�perform�adjustment�with�the�2560A�output� terminal�temperature�balanced�and�stable.�During�adjustment,�be�careful�in�keeping�the�output�terminal� temperature from changing. •� Set�the�DMM’s�integration�time�(NPLC)�to�100PLC�or�longer. * NPLC:�An�acronym�for�Number�of�Power�Line�Cycles.�It�is�a�way�of�expressing�the�integration�time. Wiring The 2560A and equipment are wired according to each function, namely voltage, current, thermocouple, resistance,�and�internal�RJC. For�the�wiring�diagrams,�see�the�wiring�examples�in�the�later�“Explanation”�section. After�wiring,�operate�the�2560A�according�to�the�procedure�on�the�next�page.

IM 2560A-01EN 3rd Edition Precision DC Calibrator 2560A