Krohn-Hite 526 User manual

Model 526
Precision DC Source/Calibrator
±100nV to ±111V
±10nA to ±111mA
Operating Manual

Service and Warranty
Krohn-Hite Instruments are designed and manufactured in accordance with sound engineering practices and
should give long trouble-free service under normal operating conditions. If your instrument fails to provide
satisfactory service and you are unable to locate the source of trouble, contact our Service Department at (508)
580-1660, giving all the information available concerning the failure.
DO NOT return the instrument without our written or verbal authorization to do so. After contacting us, we
will issue a Return Authorization Number which should be referenced on the packing slip and purchase order.
In most cases, we will be able to supply you with the information necessary to repair the instrument, avoiding
any transportation problems and costs. When it becomes necessary to return the instrument to the factory,
kindly pack it carefully and ship it to us prepaid.
All Krohn-Hite products are warranted against defective materials and workmanship. This warranty applies
for a period of one year from the date of delivery to the Original Purchaser. Any instrument that is found
within the one year warranty period not to meet these standards, will be repaired or replaced. This warranty
does not apply to fuses or batteries. No other warranty is expressed or implied.
Krohn-Hite Corporation reserves the right to make design changes at any time without incurring any
obligation to incorporate these changes in instruments previously purchased.
Modifications to this instrument must not be made without the written consent of an authorized employee of
Krohn-Hite Corporation.

Model 526
Precision DC Source/Calibrator
Operating Manual
Copyright 2013. All rights reserved. Contents of this publication may not be reproduced in any form without
the written permission of Krohn-Hite Corporation.
Revision 3.2, Published 6/13, Printed in U.S.A.
15 Jonathan Drive, Unit 4, Brockton, MA 02301-5566
Tel: [phone]; Fax: [phone]
[e-mail]; www.krohn-hite.com

526 Table of Contents
SECTION 1.0 GENERAL DESCRIPTION AND SPECIFICATIONS ..............1-1
1.1 Introduction ....................................1-1
1.2 Specifications ...................................1-2
1.2.1 Voltage Mode Specifications ......................1-2
1.2.2 Current Mode Specifications ......................1-3
1.2.3 GPIB Programming ..........................1-3
1.2.4 Terminals ................................1-4
1.2.5 Modes Of Operation ..........................1-4
1.2.6 Special Features ............................1-4
1.2.7 General Specifications .........................1-4
1.2.8 Safety..................................1-5
1.2.9 Electromagnetic Compatibility .....................1-5
1.2.10 Mechanical Specifications .......................1-5
1.2.11 General Information ..........................1-5
1.2.12 Accessories ..............................1-5
1.2.13 Options .................................1-5
1.2.14 Optional Accessories..........................1-5
SECTION 2.0 OPERATION ...................................2-1
2.1 Introduction ....................................2-1
2.2 Selecting Line Voltage ..............................2-1
2.3 Placement and Rack Mounting..........................2-3
2.4 Quick Start.....................................2-3
2.4.1 526 Tones ...............................2-3
2.4.2 LOCAL Key...............................2-4
2.4.3 SELECTOR Knob ...........................2-4
2.4.4 Setting a Voltage/Current .......................2-4
2.4.4.1 Decade Controls .......................2-4
2.4.5 Selecting a Range ...........................2-4
2.4.6 Recalling Memory Set-Ups.......................2-5
2.4.7 Saving Set-Ups into Memory......................2-5
2.4.8 Front Panel Output Terminals .....................2-6
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Table of Contents