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2105AC
Valhalla 2105AC Manuals
Manuals and User Guides for Valhalla 2105AC. We have
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Valhalla 2105AC manual available for free PDF download: Operation Manual
Valhalla 2105AC Operation Manual (56 pages)
Wide-Range Digital Power Analyzer
Brand:
Valhalla
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
Table of Contents
5
Chapter 1 General Information
9
Introduction
9
Manual Description
9
Instrument Identification
9
Chapter 2 Unpacking and Installing
10
Introduction
10
Inspection
10
Line Voltage/Fuse Selection
10
Bench Use
10
Rack Mounting
11
Safety Precautions
11
Chapter 3 Specifications
12
Range and Resolution Table
12
Accuracies
12
Operating Specifications
13
Environmental and Physical Specifications
13
Chapter 4 Optional Equipment
14
Optional Accessories
14
Chapter 5 Operations
15
General
15
Front Panel Controls
15
Power Switch
15
Key and Amps/Volts Display Indicator
15
Current Range Keys
15
Voltage Range Keys
15
Peak Amp Overload Indicator
15
Peak Volt Overload Indicator
16
Amps-Volts Display
16
Watts - True Power Display
16
Rear Panel Controls
17
Making Connections
17
Using Option X-21
18
Using Ct's and Pt's
18
Current Transformers
18
Potential Transformers
19
Using both Ct's and Pt's
20
Manipulating the Data
21
VA, VAR, PF and Φ
21
PF, Leading or Lagging
22
Accuracies
22
Chapter 6 Routine Maintenance
23
General
23
Periodic Maintenance
23
Cleaning
23
Tightening
23
Calibration
24
Equipment Required
24
ADC Reference Adjustments
24
Calibration Connections
25
Offset Adjustment
25
Volt Reference Adjustments
25
Display Adjustments
25
Linearity Adjustments
26
Range Adjustments
26
A Range Adjustments
26
Watts Zero and Offset Adjustments
26
Full Scale Watts Adjustments
26
AC Adjustments and Checks
27
Chapter 7 Theory of Operations
28
Troubleshooting
28
Component Replacement
28
Finding the Faulty Component
29
Functional Descriptions
29
Detailed Circuit Descriptions
30
Power Supply
31
Voltage Amplifier and Scaling
31
Current Amplifiers and Scaling
32
Peak Detector/Indicators
34
Analog to Digital Converters
34
Volts/Amps Display
34
Watts Display
35
Decimal Point Positioning
35
Analog Multiplier
35
Range Selection
35
Chapter 8 Addendums
36
Chapter 9 Parts List
37
Main Board Assembly
38
Display Board Assembly
43
Switch Board Assembly
44
Chassis Assembly
45
Chapter 10 Schematics
46
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