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Microtest 6375 User Manual

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User Manual

Table of Contents

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Microtest 6375 Specifications

General IconGeneral
BrandMicrotest
Model6375
CategoryMeasuring Instruments
LanguageEnglish

Summary

1. SAFETY

1.1 General

Safety requirements for electrical equipment for measurement, control & laboratory use.

1.2 AC Power Supply

Guidelines for connecting the instrument to the AC power supply, including cable and plug requirements.

1.3 Adjustment, Maintenance and Repair

Safety precautions when performing adjustments, maintenance, or repairs on the equipment.

1.4 Static Electricity

Precautions to avoid damage from static electrical discharge when handling components.

2. INTRODUCTION

3. INSTALLATION

3.1 AC Line Connections

Details on connecting the unit to the local AC power supply, including voltage setting and fuse.

3.2 Measurement Connections

Describes various Microtest leads, fixtures, and adaptors for measurement connections.

4. OPERATION

4.1 The Rear Panel

Identifies and explains the connectors and controls located on the rear panel of the instrument.

4.1.3 Rear Panel Control Connections

Details the specific connectors on the rear panel and their uses.

4.1.4 DC 5V Out

Describes the DC 5V output and external trigger input on the rear panel.

4.1.5 GPIB Connector

Explains the GPIB port for communication and remote control of the instrument.

4.1.6 Switching the Instrument ON

Instructions for powering on the instrument and adjusting display contrast.

4.1.7 Switching the Instrument OFF

Guidance on the proper procedure for powering off the instrument.

4.2 The Front Panel

Details the layout and function of the front panel controls and display elements.

4.2.1 The Soft Keys

Explains the function of soft keys, which change based on the selected mode.

4.2.2 The Navigation Keys

Describes the use of navigation keys for selecting parameters and adjusting values.

4.2.3 The Control Keys

Details the function of dedicated control keys like Bias, Local, Menu, and Trigger.

4.2.4 The Data Entry Keypad

Explains the multi-function data entry keypad for manual input of values and codes.

4.3 Trimming

Explains the purpose and process of trimming to eliminate stray capacitance or series impedance.

4.3.1 Performing an O/C Trim or S/C Trim

Guides the user through performing open-circuit or short-circuit trims for accurate measurements.

4.4 Measuring a Component

Provides instructions and an example for measuring a component using the instrument.

4.4.1 Example

Illustrates the process of measuring capacitance and dissipation factor of a 470nF capacitor.

4.4.2 MEASUREMENT MODE Parameters

Details the parameters selectable in the MEASUREMENT MODE via soft keys.

5. ADVANCED OPERATION

5.1 Two-, Three- and Four-Terminal Connections

Explains the use of BNC sockets for screened cable connections to the device under test.

5.2 Measurement of Very Small Capacitors

Discusses best practices for accurate measurement of small value capacitors.

5.3 Measurement of Very Small Inductors

Details accurate measurement of low inductance values, recommending specific fixtures.

5.4 Measurement of Iron-Cored and Ferrite Inductors

Addresses the effective value variation of inductors with magnetization and test signal levels.

5.5 MULTI STEP MODE

Allows component measurement at user-defined steps with different parameters for each step.

5.6 The STATUS Page

Explains how to access and modify parameters like line frequency, beep, and GPIB address.

6. GENERAL PURPOSE INTERFACE BUS (GPIB)

6.1 GPIB Control

Covers GPIB protocol, interface specifications, and control mechanisms for instrument communication.

6.2 6375 Series Device-Specific Commands

Lists and summarizes SCPI commands specific to the 6375 series instrument.

6.3 Example Programs

Provides example programs for controlling the instrument via GPIB.

7. 6375 SERIES SPECIFICATION

7.1 Measurement Parameters

Details the parameters that can be measured and displayed by the instrument.

7.2 Test Conditions

Specifies the test conditions, including AC drive parameters like frequency range.

7.3 Measurement Speeds

Describes the four selectable measurement speeds and their impact on resolution and noise.

7.4 Display Range

Outlines the display ranges for different measurement parameters like R, Z, X, L, C, etc.

7.5 Modes Of Operation

Explains the available operating modes, including MEASUREMENT and MULTI-STEP.

7.6 Measurement Connections

Describes the front panel BNC connectors and terminal capabilities for measurements.

7.7 Measurement Accuracy

Provides statements on the instrument's accuracy under specified measurement conditions.

7.8 Accuracy Chart

Defines measurement ranges and accuracies over the available frequency band.

7.8.2 |Z| vs L, C Chart

Presents a chart showing the relationship between |Z|, L, and C measurements against frequency.

7.8.3 |Z|, |Y|, L, C, R, X, G, B and Rdc Accuracy

Details the accuracy formulas and conditions for various measurement parameters.

7.8.4 D Accuracy

Explains the accuracy calculation for the Dissipation Factor (D).

7.8.5 Q Accuracy

Explains the accuracy calculation for the Quality Factor (Q).

7.9 General

Covers general specifications including power supply, display, remote control, and mechanical details.

7.10 Environmental Conditions

Specifies the environmental conditions for operating and storing the equipment.

8. THEORY REFERENCE

8.1 Abbreviations

Lists common abbreviations used in the manual and their meanings.

8.2 Formulae

Provides key formulas related to impedance, admittance, and component parameters.

8.3 Series/Parallel Conversions

Details the formulas for converting between series and parallel component parameters.

8.4 Polar Derivations

Explains polar coordinate derivations for impedance and admittance measurements.

9. MAINTENANCE, SUPPORT AND SERVICES

9.1 Guarantee

Outlines the warranty terms and conditions for the supplied equipment.

9.2 Maintenance

Covers cleaning procedures and essential safety checks for the equipment.

9.3 Support and Service

Provides contact information for technical support, repairs, and recalibration services.

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