Tegam PRT73 Manuals

Manuals and User Guides for Tegam PRT73. We have 1 Tegam PRT73 manual available for free PDF download: Instruction And Service Manual

Tegam PRT73 Instruction And Service Manual

Tegam PRT73 Instruction And Service Manual (132 pages)

Precision Ratio Transformer

Brand: Tegam | Category: Transformer | Size: 2 MB

Table of Contents

Table of Contents
3
Safety Information
6
Safety Notices Appearing in this Manual
7
Safety Notices Appearing on the Model PRT73
9
General Description
12
Specifications
15
Maximum Ratings
16
Technical Specifications
16
GPIB Communications
20
Environmental Specifications
21
Power Requirements and Physical Dimensions
21
Operation
22
Using the Front and Rear Panel Controls
24
Input
25
1.0 and 0.0 Input Terminals
25
Over-Voltage Protection
26
Important Notes about the Over-Voltage Circuit and Your Generator
27
1.1 and -0.1 Signal Requirements and Restrictions
28
Guard
28
Output
29
TAP and 0.0 Single Output
29
Guard
29
Chassis Ground
29
Operating Modes
30
IEEE-488 Setup Mode
30
Applications of the Model PRT73
32
Three-Terminal and Four-Terminal Device Definition
32
Using the Model PRT73 in an AC Ratio Bridge
33
Using the Model PRT73 in an AC Ratio Bridge (a Three-Terminal Application)
33
Components of a Ratio Bridge
34
Applying Three-Terminal Corrections to AC Ratio Bridge Measurements
36
AC Ratio Bridge Measurements
36
Explanation of Mathematical Linearization and Comparison to Mechanical Linearization
38
Comparison to Mechanical Linearization
38
Operation (Continued)
39
Using the Model PRT73 as a Precision Attenuator
41
Calibration of an AC Voltmeter
42
Calibration of MV Ranges on AC Calibrators
43
Remote Communication
45
Ieee-488
47
GPIB General Description
47
IEEE-488 (GPIB) Interface
47
Signal Lines
49
GPIB Interface Function Codes
52
Serial Poll Status Byte
53
GPIB Address and Message Terminators
54
GPIB Address Selection
55
Pin Assignments
55
Bringing the Model PRT73 up in GPIB
56
Programming Commands
57
Command Class Definition
57
Input Command Syntax
57
Output Command Syntax
57
Commands
58
Error Messages
61
Theory of Operation
62
Block Diagram
64
8088 CPU W/IEEE Circuit Card
66
Control/Memory
66
Clock
67
Power Monitor
67
I/O Monitoring
68
Gpib
68
Front Panel
69
Analog Circuit Card
70
General Theory of Transformer Operation
70
Transformer Ratio Switching Method
70
Analog Status Signals and Transformer Relay Control
75
Over-Voltage Circuit Operation
76
Installation
77
Model PRT73 Rack Mount Installation Instructions
78
2.5 V/Hz Option Installation Instructions
81
Maintenance
87
Cleaning
89
Exterior
89
Interior
89
Visual Inspection
90
Model PRT73 Performance Check
90
Performance Check and Calibration
91
Performance Check Procedure
93
Over-Voltage Circuit Test and Input Transformer Demagnetization
94
Linearity
96
Test System Setup
96
Verifying or Generating Three-Terminal Corrections (C & C')
98
Verifying or Generating Four-Terminal Corrections
110
Over-Voltage Circuit Calibration
115
Troubleshooting
117
Routine Checks
118
Problem Isolation
119
Voltage Entry, Voltage Select, and Power Supply Check
122
Analog Cka Check Procedure
124
Preparation for Calibration or Repair Service
130
Warranty
130
Repair Instructions
131
Warranty Information
132
Contact Information
132

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