6
Chapter
1
General
Information
Introduction
This manual has information to perform Inspection, Installation, Measurement Operations, and
Troubleshooting for Valhalla Scientific Model 4021. Also included in this manual are:
Specifications, Parts Lists and all Schematics.
Manual Description
This manual is separated into the 11 following Chapters.
Chapter 1 – General Information
Chapter 1 contains a brief description of the
instrument and other general information.
Chapter 2 – Unpacking and Installing
Chapter 2 contains information for unpacking
and inspection the equipment. Also contains
power requirements and installation procedure.
Chapter 3 - Specifications
Chapter 3 contains all specifications, including
Range, Resolution, Test Current, Accuracy,
General and Physical Specifications for Valhalla
Model 4021.
Chapter 4 – Optional Equipment
Chapter 4 contains information on all available
options and test leads for the Valhalla Model
4021.
Chapter 5 – Operations
Chapter 5 describes all operations including a
description of the front and rear panel,
Measurements and Connections.
Chapter 6 – Theory of Operation
Chapter 6 describes the theory of operation of all
circuits and sub circuits used on Valhalla Model
4021.
Chapter 7 – Routine Maintenance
Chapter 7 contains maintenance information,
such as calibration procedure.
Chapter 8 – Interface Operation
Chapter 8 contains information on the optional
BCD Output.
Chapter 9 – Addendums
Chapter 9 lists updates and addendums for this
manual.
Chapter 10 – Parts List
Chapter 10 contains all parts used in the Main
Board, Display Board, and Chassis of the
Valhalla Model 4021. The parts are listed with a
Reference Designator, Valhalla Part Number,
Description, and Manufacturers Part Number.
Chapter 11 – Schematics
Chapter 11 contains all schematics and drawings
for Valhalla Model 4021.
