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Thurlby 1905 - User Manual

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Summary

Preparation for Use

Multimeter Operation Guide

Basic Operating Sequence

Step-by-step guide for performing basic measurements with the multimeter.

Maximum Input Specifications

Specifies the maximum voltage and current inputs allowed for each function and range to prevent damage.

DC Voltage Measurement Procedure

Detailed procedure for measuring DC voltage, including input impedance and zero adjustment.

AC Voltage Measurement Procedure

Procedure for AC voltage measurements, including rms calibration and offset considerations.

DC Current Measurement

Instructions for measuring DC current, including range selection and zero reference.

AC Current Measurement

Procedure for measuring AC current, including considerations for superimposed DC and zero offset.

Resistance Measurement Guide

How to measure resistance, including lead resistance compensation and high impedance considerations.

Using the Null Key Function

Explanation of the null function for zeroing offsets and changing reference points.

General Safety Precautions

General Safety Considerations

Essential safety precautions for using the instrument, including electrical safety and handling.

Fuse Replacement Procedure

Fuse Replacement

Detailed instructions on how to replace the instrument's fuses for different ranges.

Maintenance and Repair Services

Computing and Datalogging Functions

Logger Functionality

Description of the logger function for storing readings automatically or manually.

dB Functionality

Function for displaying voltage, current, or resistance in decibels relative to a reference.

Ax+b (Scaling with Offset) Function

Allows readings to be multiplied by a factor A and offset b added.

Using a Program

Entering Program Constants

Step-by-step guide for reviewing and entering constants for selected programs.

Program Examples

Technical Specifications

Specifications

Technical specifications for accuracy, ranges, response times, and environmental conditions.

Calibration Requirements and Procedures

Calibration Requirements

Guidelines for maintaining instrument accuracy through calibration and precautions.

Thurlby 1905 Specifications

General IconGeneral
DC Voltage Range200mV to 1000V
AC Voltage Range200mV to 750V
Resistance Range200Ω to 20MΩ
Continuity TestYes
Diode TestYes
TypeDigital Multimeter
DC Current Range200µA to 10A
AC Current Range200µA to 10A
Capacitance Range20µF
Operating Temperature0°C