Lake Shore 460 User Manual

Rev. 2.8 P/N 119-012 24 July 2017
Lake Shore Cryotronics, Inc.
575 McCorkle Blvd.
Westerville, Ohio 43082-8888 USA
Internet Addresses:
sales@lakeshore.com
service@lakeshore.com
Visit Our Website:
www.lakeshore.com
Fax: (614) 891-1392
Telephone: (614) 891-2243
Methods and apparatus disclosed and described herein have been developed solely on company funds of Lake Shore Cryotronics, Inc.
No government or other contractual support or relationship whatsoever has existed which in any way affects or mitigates proprietary
rights of Lake Shore Cryotronics, Inc. in these developments. Methods and apparatus disclosed herein may be subject to U.S. Patents
existing or applied for. Lake Shore Cryotronics, Inc. reserves the right to add, improve, modify, or withdraw functions, design
modifications, or products at any time without notice. Lake Shore shall not be liable for errors contained herein or for incidental or
consequential damages in connection with furnishing, performance, or use of this material.
User’s Manual
Model 460
3-Channel Gaussmeter

Lake Shore 460 Specifications

General

Input Channels	4
Power Supply	100, 120, 220, 240 VAC, 50/60 Hz
Resolution	0.001 K
Input Type	RTD
Computer Interface	IEEE-488, RS-232
Dimensions	89 mm
Temperature Range	1.4 K
Measurement Range	See Temperature Range
Accuracy	±0.5 K
Display	LCD

Summary

Introduction to the Model 460 Gaussmeter

General Overview of the Model 460

Provides a general description of the Model 460 gaussmeter.

Product Description

Detailed description of the Model 460's features and capabilities.

Model 460 Specifications

Technical specifications including measurement capabilities and ranges.

Safety Summary

Essential safety precautions for operating and maintaining the instrument.

Safety Symbols

Explanation of safety symbols used throughout the manual.

Installation Guide for the Model 460

Inspection and Unpacking

Procedure for inspecting and unpacking the instrument upon receipt.

Repackaging for Shipment

Instructions on how to repackage the unit for return or shipment.

Rear Panel Definition

Description of connectors and ports on the instrument's rear panel.

Line Input Assembly

Details on power cord, voltage selection, and fuse replacement.

Probe Input Connection

Guidelines for connecting Hall effect probes to the instrument.

Initial Setup and System Checkout

Procedure for initial setup, calibration, and system verification.

Operating the Model 460 Gaussmeter

Definition of Front Panel Controls

Describes front panel keys, display, and navigation.

Zero Probe Functionality

Procedure for nulling probe offsets for accurate measurements.

Select Range and Auto Range

Setting measurement ranges for optimal field detection.

Alarm Set and Alarm On/Off

Configuring and using audible and visual alarms for field detection.

Locking and Unlocking the Keyboard

Securing the instrument's front panel controls to prevent unauthorized changes.

Probe Considerations

Guidelines for handling, care, and optimal use of Hall effect probes.

Computer Interface Operation

IEEE-488 Interface

Instructions for remote operation and data acquisition via IEEE-488.

Serial Interface Overview

Details on the RS-232C serial communication interface and connections.

Command Summary

Reference for all available common, interface, and device-specific commands.

Accessories and Probes for Model 460

Models and Configurations

Information on different Model 460 configurations and power options.

Available Accessories

List and description of accessories that enhance instrument functionality.

Lake Shore Standard Probes

Types, selection criteria, and specifications of standard Hall effect probes.

Helmholtz Coil Low Field Standards

Details on Helmholtz coils for generating reference magnetic fields.

Reference Magnets

Magnetic standards used for instrument calibration and verification.

Service and Maintenance

General Maintenance Precautions

Essential safety and cleaning guidelines for instrument care.

Electrostatic Discharge (ESD) Precautions

Precautions for handling sensitive electronic components to prevent ESD damage.

Line Voltage Selection

Procedure to change the instrument's input voltage setting.

Fuse Replacement

Instructions for safely replacing internal fuses.

Rear Panel Connector Definitions

Details of connectors located on the instrument's rear panel.

Error Messages

Common error messages, their meanings, and troubleshooting tips.

Glossary of Terminology

Units for Magnetic Properties

Hall Generators

General Hall Generator Information

Overview of Hall generator technology and terminology.

Theory of Operation

Explanation of the Hall effect and how Hall generators work.

Hall Generator Generic Hookup

General methods for connecting Hall generators to instruments.

Using a Hall Generator with the Model 460

Specific connection procedures for Hall generators with the Model 460.

Hall Generator Specifications

Specifications for various Lake Shore Hall generator models.

HALLCAL.EXE Program

Software utility for calibrating Hall generators with the Model 460.