Valhalla 2105AC Manuals

Manuals and User Guides for Valhalla 2105AC. We have 1 Valhalla 2105AC manual available for free PDF download: Operation Manual

Valhalla 2105AC 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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