Lake Shore 218 Manuals

Manuals and User Guides for Lake Shore 218. We have 1 Lake Shore 218 manual available for free PDF download: User Manual

Lake Shore 218 User Manual

Lake Shore 218 User Manual (112 pages)

Temperature Monitor

Brand: Lake Shore | Category: Temperature Controller | Size: 2 MB

Table of Contents

Declaration of Conformity
3
Table of Contents
5
Introduction

9
- General
  9
- Supported Lake Shore Sensors
  10
- Model 218 Features
  11
- Model 218 Specifications
  12
- Model 218 Sensor Input Performance Chart
  13
- Safety
  15
- Handling Liquid Helium and Liquid Nitrogen
  15
- Cryogenic Storage Dewar
  15
  - Safety Summary
    16
  - Safety Symbols
    16
Sensor Considerations

17
- General
  17
- Temperature Sensor Selection
  17
- Temperature Range
  17
- Sensor Sensitivity
  17
- Environmental Conditions
  17
- Measurement Accuracy
  18
- Sensor Package
  18
- Calibrated Sensors
  18
- Traditional Calibration
  18
- Softcal
  18
- Standard Curves
  19
- Calcurve
  20
- Sensor Installation
  20
- Mounting Materials
  20
- Sensor Location
  20
- Thermal Conductivity
  20
- Contact Area
  21
- Contact Pressure
  21
- Typical Sensor Installation in a Mechanical Refrigerator
  21
  - Lead Wire
    22
  - Lead Soldering
    22
  - Heat Sinking Leads
    22
  - Thermal Radiation
    22
  - Thermal EMF Compensation with Voltage Excitation
    22
Installation

23
- General
  23
- Inspection and Unpacking
  23
- Repackaging for Shipment
  23
- Rear Panel Definition
  24
- Line Input Assembly
  24
- Model 218 Rear Panel
  24
  - AC Line Input Definitions
    25
  - Sensor Inputs
    26
- Model 218 Input Connector Pinouts
  26
  - Terminal Block (Model 218S ONLY)
    29
- Terminal Block Connectors
  29
  - Computer Interfaces
    30
Operation

31
- General
  31
- Display Screen Description
  31
- Model 218 Front Panel
  31
- Model 218 Normal Display Screen Format
  32
  - Keypad Description
    33
  - General Keypad Operation
    34
  - Turning Power on
    34
  - Display Setup
    34
  - Input Type
    35
  - Sensor Input Type Display Messages
    36
  - Optimizing the Update Rate
    37
  - Curve Select
    37
    
    Sensor Configuration Update Rates
    37
    
    Standard Curves Included in the Model 218
    37
  - Math
    38
  - Max/Min
    38
  - Linear
    39
  - Filter
    40
  - Analog Outputs (Model 218S Only)
    41
  - Example of Low and High Analog Parameter Setting
    43
  - Alarms Setup and Operation
    43
  - Alarm Reset
    45
  - Relay Setup (Model 218S Only)
    45
  - Locking the Keypad
    46
  - Resetting Model 218 to Defaults
    46
Special Features

47
- General
  47
- Front Panel Curve Entry
  47
- Curve Header Parameters
  47
- Curve Breakpoints
  48
- Editing an Existing Curve
  48
- Entering a New Curve
  49
- Erasing User Curves
  50
- Viewing Standard Curves
  50
- Copying Curves
  50
- Softcal
  51
- Softcal™ and Silicon Diode Sensors
  52
- Softcal™ Temperature Ranges for Silicon Diode Sensors
  52
  - Softcal™ Accuracy with Silicon Diode Sensors
    53
  - Softcal™ and Platinum Sensors
    53
- Softcal™ Temperature Ranges for Platinum Sensors
  53
  - Softcal™ Accuracy with Platinum Sensors
    54
  - Data Logging
    55
  - Log Setup
    55
  - Storage Capability Based on Readings Per Record
    55
  - Starting and Stopping Data Log
    57
  - Viewing Logged Data
    57
  - Line Power Loss
    57
  - Printing
    58
  - Printer Support
    58
  - Serial Printer Interface Specifications
    58
  - Printer Connector and Cable
    59
  - Printer Operation
    59
- Serial Port Pinouts
  59
Remote Operation

61
- General
  61
- Ieee-488 Interface
  61
- IEEE-488 Interface Settings
  62
- IEEE-488 Command Structure
  62
- Status Registers
  63
- Example IEEE Setup and Program
  65
- Notes on Using the IEEE Interface
  65
- Typical National Instruments GPIB Configuration from IBCONF.EXE
  67
  - Serial Interface
    68
  - Physical Connection
    68
  - Hardware Support
    68
  - Character Format
    69
  - Message Strings
    69
  - Message Flow Control
    70
  - Changing Baud Rate
    70
  - Serial Interface Basic Programs
    71
  - Troubleshooting
    76
  - IEEE-488/Serial Interface Commands
    76
Service

91
- General
  91
- General Maintenance Precautions
  91
- Electrostatic Discharge
  91
- Identification of Electrostatic Discharge Sensitive Components
  91
- Handling Electrostatic Discharge Sensitive Components
  92
- Fuse Drawer
  92
- Line Voltage Selection
  92
- Power Fuse Access
  92
- Fuse Replacement
  93
- Sensor Input Connector and Pinout
  93
- Model 218 Input Connector Pinouts
  93
  - Terminal Block (Model 218S Only)
    94
- Terminal Block Connectors
  94
  - Ieee-488 Interface Connector
    95
- IEEE-488 Rear Panel Connector Details
  95
- Location of Internal Components
  99
  - Calibration Procedure
    100
  - Required Equipment List
    100
  - Sensor Input Calibration Setup
    100
  - Clear Calibration
    100
  - A/D Linearity Calibration
    100
  - Zero Calibration
    101
  - Volt Input Gain Calibration
    101
  - Μa Current Source Calibration
    101
  - Ω Input Gain Calibration
    102
  - Kω Input Gain Calibration
    103
  - Calibrate Input Group B
    103
  - Analog Output Calibration and Test (Model 218S Only)
    103
  - Calibration Specific Interface Commands
    104
Accessories

107
- General
  107
- Models
  107
- Options
  107
- Model RM-1/2 Rack-Mount Kit
  109
Appendix A - Curve Tables

111

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