Lakeshore 425 - User Manual

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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.
Rev. 1.0 P/N 119-053 24 March 2010
User’s Manual
Model 425
Gaussmeter
Lake Shore Cryotronics, Inc.
575 McCorkle Blvd.
Westerville, Ohio 43082-8888 USA
sales@lakeshore.com
service@lakeshore.com
www.lakeshore.com
Fax: (614) 891-1392
Telephone: (614) 891-2243

Summary

Chapter 1: Introduction

1.1 Product Description

Provides a detailed overview of the Model 425 gaussmeter's features and capabilities.

1.2 Measurement Features

1.6 Model 425 Specifications

Lists technical specifications for general, DC, and AC measurements.

1.8 Safety Summary and Symbols

Outlines essential safety precautions for instrument operation and handling.

Chapter 2: Background

2.4 Hall Measurement Theory

Chapter 3: Installation

3.1 General

Provides general installation instructions for the Model 425 gaussmeter.

3.5 Probe Input Connection

3.6 Probe Handling and Operation

Covers essential guidelines for handling and operating Hall effect probes safely and effectively.

Chapter 4: Operation

4.2 Front Panel Description

4.5 DC and RMS Measurement Modes

Describes how to configure and use DC and AC (RMS) measurement modes.

Chapter 5: Advanced Operation

5.2 The Alarm and Relay Functions

Explains how to configure alarm setpoints, modes, and relay functions for testing.

5.4 Probe Management

Chapter 6: Computer Interface Operation

6.2 USB Interface

6.3 Command Summary

Lists and describes interface commands for controlling the instrument remotely.

Chapter 7: Probes and Accessories

7.5 Probe Accessories

Chapter 8: Service

8.2 General Troubleshooting

Offers solutions for common issues and reading discrepancies.

8.3 USB Troubleshooting

8.5 Factory Reset Menu

8.6 Error Messages

Lists and explains error messages that may appear during instrument operation.

8.8 Calibration Procedure

Lakeshore 425 Specifications

General

Model	425
Type	Gaussmeter
Channels	1
Display	LCD
Power Supply	100-240 VAC, 50/60 Hz
Computer Interface	RS-232
Resolution	0.01 mT