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®
5725A
Amplifier
Instruction Manual
PN 823435
January 1989
Rev. 6, 6/96
© 1993, 1996 Fluke Corporation, All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
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Table of Contents Chapter Title Page 1 Introduction and Specifications........................................................ 1-1 1-1. Introduction .......................................................................................... 1-3 1-2. Where to Go From Here....................................................................... 1-4 1-3. How to Use the Manuals. ..................................................................... 1-5 1-4. 5725A Instruction Manual .....................
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5725A Instruction Manual 4 Theory of Operation........................................................................... 4-1 4-1. Introduction .......................................................................................... 4-3 4-2. Overall Functional Description ............................................................ 4-3 4-3. 1100V AC Range Functional Description ....................................... 4-5 4-4. 11A Range Functional Description....................................
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Contents (continued) 4-54. High Voltage Sense Assembly (A6) ................................................ 4-30 4-55. Sense Amplifier Section .............................................................. 4-32 4-56. Analog Monitor Section .............................................................. 4-34 4-57. Serial Interface/Guard Crossing Section ..................................... 4-35 4-58. Analog Input Switching Section.................................................. 4-35 4-59. Cont
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5725A Instruction Manual iv
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List of Tables Table Title Page 2-1. Standard Equipment............................................................................................... 2-3 2-2. Line Power Cord Types Available from Fluke...................................................... 2-4 3-1. Front Panel Features .............................................................................................. 3-5 3-2. Rear Panel Features .........................................................................................
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5725A Instruction Manual vi
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List of Figures Figure Title Page 2-1. Line Power Cords Available for Fluke Instruments .............................................. 2-4 2-2. Correct Way to Dress Interface Cable................................................................... 2-6 2-3. Line Power Label and Switch Location................................................................. 2-7 2-4. Accessing the Fuse ................................................................................................ 2-8 3-1. Front P
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5725A Instruction Manual viii
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Interference Information This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference in a residential installation. Operatio
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OPERATOR SAFETY SUMMARY WARNING HIGH VOLTAGE is used in the operation of this equipment LETHAL VOLTAGE may be present on the terminals, observe all safety precautions! To avoid electrical shock hazard, the operator should not electrically contact the output hi or sense hi binding posts. During operation, lethal voltages of up to 1100V ac or dc may be present on these terminals. Whenever the nature of the operation permits, keep one hand away from equipment to reduce the hazard of current flowing
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Symbols Marked on Equipment DANGER — High Voltage Protective ground (earth) terminal Attention — refer to the manual. This symbol indicates that information about the usage of a feature is contained in the manual. Power Source The 5725A is intended to operate from a power source that will not apply more than 264V ac rms between the supply conductors or between either supply conductor and ground. A protective ground connection by way of the grounding conductor in the power cord is essential for s
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SERVICING SAFETY SUMMANY FOR QUALIFIED SERVICE PERSONNEL ONLY Also refer to the preceding Operator Safety Summary Do Not Service Alone Do not perform internal service or adjustment of this product unless another person capable of rendering first aid and resuscitation is present. Use Care When Servicing With Power On Dangerous voltage exist at many points inside this product. To avoid personal injury, do not touch exposed connections and components while power is on. Whenever the nature of the op
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FIRST AID FOR ELECTRIC SHOCK Free the Victim From the Live Conductor Shut off high voltage at once and ground the circuit. If high voltage cannot be turned off quickly, ground the circuit. If the circuit cannot be broken or grounded, use a board, dry clothing, or other nonconductor to free the victim. Get Help! Yell for help. Call an emergency number. Request medical assistance. Never Accept Ordinary and General Tests for Death Symptoms of electric shock may include unconsciousness, failure to b
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Chapter 1 Introduction and Specifications Title Page 1-1. Introduction .......................................................................................... 1-3 1-2. Where to Go From Here....................................................................... 1-4 1-3. How to Use the Manuals ...................................................................... 1-5 1-4. 5725A Instruction Manual ............................................................... 1-5 1-5. 5700A Operator Manual ....
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5725A Instruction Manual 1-2
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Introduction and Specifications Introduction 1 Introduction 1-1. The Fluke 5725A Amplifier enhances the 5700A Calibrator in the ac voltage, ac current, and dc current functions. The 5725A operates under complete control of the 5700A through an interface cable supplied with the 5725A. A diagram in the specifications tables at the end of this section illustrates the extended ac volt-hertz product achieved by using a 5725A. Increased ac voltage load limits allow using the 5700A Calibrator in system
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5725A Instruction Manual Where to Go From Here 1-2. This manual is the operator and service manual for the 5725A. However, because the 5725A operates under the control of the 5700A Calibrator, most operating instructions for the 5725A are in the 5700A manuals. Topics such as selecting output values, connecting to a UUT (Unit Under Test), and self calibration are covered in the 5700A Operator Manual. The list below gives some specific pointers, and the text further on describes how to use all the
