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Simpson 260 Series 8 User Manual

Simpson 260 Series 8
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Simpson 260
®
Series 8
Volt-Ohm-Milliammeters
INSTRUCTION MANUAL
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Simpson 260 Series 8 Specifications

General IconGeneral
Model260 Series 8
TypeAnalog Multimeter
CategoryMeasuring Instruments
Display TypeAnalog
DC Current Ranges50μA, 1mA, 10mA, 100mA, 10A
Resistance RangesR x 1, R x 100
Accuracy±3% of full scale
Input Impedance20kΩ/V DC, 5kΩ/V AC
Power SourceBattery
Battery1.5V AA

Summary

About this Manual

Manual Content and Accuracy

Provides an overview of the manual's content and accuracy at the time of writing.

Safety Symbols and Information

Explains warning symbols and general safety precautions for using the instrument.

Technical Assistance and Warranty

Offers contact information for support and details the product warranty policy.

1. Introduction

General Description and Features

Overview of the Simpson 260 Series 8 Volt-Ohm-Milliammeter, its features, and capabilities.

Overload Protection

Details the instrument's protective measures against electrical overloads using fuses and diodes.

Internal Batteries

Information on the 1.5-volt and 9-volt batteries powering the ohmmeter circuit.

Technical Data: DC and AC Voltage

Printed Circuit, Case, and Handle

Describes the printed circuit, durable case, and adjustable handle.

Test Leads and Technical Data Overview

Details the provided test leads and introduces the technical data section.

DC Voltage and Millivolt Specifications

Lists the various DC voltage and millivolt measurement ranges and their sensitivities.

AC Voltage and Output Voltage Specs

Details the AC voltage and AC output voltage measurement ranges and sensitivities.

Specifications Summary

DC Current and Resistance Specs

Covers DC microampere, milliampere, ampere ranges, and resistance specifications.

Accuracy, Decibels, Batteries, Fuses

Defines accuracy, decibel ranges, battery types, and fuse specifications.

Test Leads and Instrument Size

Lists test lead details and instrument dimensions.

Instrument Details and Safety

Weight and Rated Voltage

Provides the instrument's weight and the maximum rated circuit-to-ground voltage.

Definition of Accuracy

Explains how accuracy is expressed and how to select ranges for best results.

General Safety Considerations

Lists essential safety precautions for operating the instrument.

Accessory Probes and Clamps

Accessory High Voltage Probe

Information about accessory high voltage probe for extending AC voltage range.

Accessory Amp-clamp Model 150-2

Details on using the Amp-clamp for AC current measurements without circuit interruption.

Installation and Setup

Unpacking and Initial Inspection

Steps for unpacking, inspecting the instrument, and verifying included items.

Warranty Policy

Details on the manufacturer's warranty policy and how to obtain service.

Controls, Jacks, and Indicators

Power Source and Operating Position

Covers internal battery requirements and optimal operating positions.

Front Panel Description

Detailed explanation of the controls, jacks, and the indicating instrument on the front panel.

Front Panel Details

Circuit Jack Functions

Describes the purpose and function of the eight circuit jacks.

Pointer Adjust For Zero

Instructions on how to calibrate the pointer to zero for resistance measurements.

Operation Guidelines

Critical Safety Precautions

Crucial safety warnings and practices to follow during operation to prevent injury.

Measurement Procedures

Polarity Reversing and Unknown Measurements

How to reverse polarity and measure unknown voltages/currents safely.

Test Lead Usage

Guidelines for using test leads and alligator clips effectively and safely.

DC Voltage Measurement: 0-250mV Range

DC Voltage Measurement: 0-1V Range

Step-by-step guide to measuring DC voltage in the 0-1V range.

DC Voltage Measurement: 0-2.5 to 250V

DC Voltage Measurement: 0-500V Range

Detailed procedure for measuring DC voltage in the 0-500V range.

DC Voltage Measurement: 0-1000V Range

AC Voltage Measurement: 0-2.5 to 250V

Instructions for measuring AC voltage across multiple ranges, noting waveform effects.

AC Voltage Measurement: 0-2.5 to 250V

AC Voltage Measurement: 0-500V Range

Detailed procedure for measuring AC voltage in the 0-500V range.

AC Voltage Measurement: 0-500V Range Details

AC Voltage Measurement: 0-1000V Range

Detailed procedure for measuring AC voltage in the 0-1000V range.

AC Voltage Measurement: 0-1000V Range Steps

Output Voltage Measurement

How to measure AC component in circuits with both AC and DC voltage levels.

Output Voltage Measurement and Frequency Response

Decibel Measurement (−20 to +50 dB)

Instructions for performing decibel measurements using the instrument's dB scale.

Decibel Measurement Application

Direct Current Measurement: Overview

General safety precautions and procedures for measuring DC current.

DC Current Measurement: 0-50μA Range

Step-by-step guide to measuring DC current in the 0-50μA range.

DC Current Measurement: 0-1mA to 500mA

DC Current Measurement: 0-10A Range

Procedure for measuring DC current in the 0-10A range.

DC Current 0-10A Range Notes

Resistance Measurements: General

General precautions and zero adjustment procedure for resistance measurements.

Measuring Resistance

Step-by-step guide for measuring resistance using the instrument.

Resistance Measurement of Semiconductors

Operator Maintenance

Instrument Inspection

Guidelines for inspecting the instrument for damage and ensuring safe operation.

Battery Replacement

Step-by-step instructions for replacing the internal batteries.

Maintenance Procedures

Fuse Replacement

Instructions on how to access and replace the instrument's fuses.

Test Lead Inspection and Instrument Care

Recommendations for inspecting test leads and general instrument care.

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