Fluke 7081 Manuals

Manuals and User Guides for Fluke 7081. We have 1 Fluke 7081 manual available for free PDF download: User Manual

Fluke 7081 User Manual

Fluke 7081 User Manual (75 pages)

Calibration Bath

Brand: Fluke | Category: Test Equipment | Size: 0.77 MB

Table of Contents

Table of Contents
3
1 Before You Start

9
- Symbols Used
  9
- Table 1 International Electrical Symbols
  9
- Safety Information
  10
  - Warnings
    10
  - Cautions
    12
- Authorized Service Centers
  13
2 Introduction

15
- Figure 1 Bath Assembly
  15
3 Specifications and Environmental Conditions

17
- Specifications
  17
- Environmental Conditions
  17
- Warranty
  18
4 Quick Start

19
- Unpacking
  19
- Semi-Hermetic Compressor
  19
- Set up
  19
- Power
  20
- Figure 2 Semi-Hermetic Compressor
  20
- Setting the Temperature
  21
5 Installation

23
- Bath Environment
  23
- Dry-Out" Period
  23
- Bath Preparation and Filling
  23
- Probe
  24
- Power
  24
6 Bath Use

26
- General
  26
- Comparison Calibration
  26
- Calibration of Multiple Probes
  27
7 Parts and Controls

28
- Front Panel
  28
- Figure 3 Front Panel
  28
- Refrigeration Controls
  29
- Back Panel
  30
- Table 2 Temperature Chart
  30
- Figure 4 Back Panel
  31
- Lid
  32
- Figure 5 Lid Options
  32
8 General Operation

34
- Bath Fluid
  34
  - Temperature Range
    34
  - Viscosity
    34
  - Specific Heat
    34
  - Thermal Conductivity
    35
  - Thermal Expansion
    35
  - Electrical Resistivity
    35
  - Fluid Lifetime
    35
  - Safety
    35
  - Cost
    36
  - Commonly Used Fluids
    36
    
    Water
    36
    
    Ethylene Glycol
    36
    
    Methanol
    36
    
    Halocarbon 0.8
    37
    
    Mineral Oil
    37
    
    Silicone Oil
    37
  - Fluid Characteristics Charts
    37
    
    Limitations and Disclaimer
    38
    
    About the Graph
    38
    
    Table 3 Table of Bath Fluids
    39
- Stirring
  40
- Pump
  40
- Figure 6 Chart of Various Bath Fluids
  40
- Power
  41
- Heater
  41
- Cooling
  42
- Temperature Controller
  42
9 Controller Operation

44
- Bath Temperature
  44
- Reset Cut-Out
  44
- Temperature Set-Point
  46
  - Programmable Set-Points
    46
  - Set-Point Value
    47
  - Set-Point Vernier
    47
- Temperature Scale Units
  48
- Secondary Menu
  49
- Heater Power
  49
- Proportional Band
  49
- Figure 8 Bath Temperature Fluctuation at Various Proportional Band Settings
  50
- Table 4 Proportional Band - Fluid Table
  51
- Cut-Out
  52
- Controller Configuration
  53
- Probe Parameters Menu
  53
  - Alpha
    54
- Operating Parameters
  54
  - Cut-Out Reset Mode
    54
- Serial Interface Parameters
  54
  - BAUD Rate
    54
  - Sample Period
    55
  - Duplex Mode
    55
  - Linefeed
    56
- IEEE-488 Parameters Menu
  56
  - IEEE-488 Address
    56
- Calibration Parameters
  57
  - Cto
    57
  - BO and BG
    57
  - H and L
    57
10 Digital Communication Interface

58
- Serial Communications
  58
  - Wiring
    58
  - Setup
    58
    
    BAUD Rate
    59
    
    Figure 9 Serial Cable Wiring
    59
    
    Sample Period
    60
    
    Duplex Mode
    60
    
    Linefeed
    60
  - Serial Operation
    60
- IEEE-488 Communication (Optional)
  60
  - Setup
    60
    
    IEEE-488 Interface Address
    61
  - IEEE-488 Operation
    61
- Interface Commands
  61
- Power Control Functions
  61
11 Calibration Procedure

66
- Calibration Points
  66
- Measuring the Set-Point Error
  66
- Computing R0 and ALPHA
  66
- Calibration Example
  67
- Figure 10 Sample Calibration Computations
  68
12 Maintenance

69
- Draining the Bath
  70
13 Troubleshooting

71
- Troubleshooting
  73
- Comments
  74
  - EMC Directive
    74
    
    Emission Testing
    75
  - Low Voltage Directive (Safety)
    75

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