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Hameg HM 307 User Manual

Hameg HM 307
30 pages
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Hameg HM 307 Specifications

General IconGeneral
TypeOscilloscope
Channels2
Max Input Voltage400 V (DC + AC peak)
Trigger ModesAuto, Normal, Single
Weight6.5 kg
Vertical Sensitivity5 mV/div to 20 V/div
Time Base0.2 μs/div to 0.5 s/div
Input Impedance1 MΩ
Trigger SourcesCH1, CH2, Line, Ext
DisplayCRT
Power Supply50/60 Hz

Summary

Specification

Vertical Deflection (Y)

Detailed specifications for the vertical deflection system, including bandwidth and sensitivity.

Timebase

Specifications for the timebase sweep and triggering functions.

Component Tester

Specifications for the integrated component testing feature.

General Instrument Design

Vertical Deflection System

Description of the measuring amplifier, attenuator, and drift compensation.

Timebase Sweep Circuitry

Description of the LPS technique, trigger signal, and voltage comparator.

Technical Details

Tester Operation Mode

Explanation of how to operate the component tester function.

General Information and Controls

Safety and Electrical Considerations

Description of mains connection, earthing, isolation, and high voltage hazards.

Operating Conditions and Environment

Initial Setup and First-Time Operation

Instructions for voltage setting, initial control configuration, and powering on the instrument.

Signal Types and Frequency Response

Type of Signal Voltage

Description of signal voltage types, bandwidth limitations, and AC/DC coupling.

Amplitude Measurement Principles

Explanation of voltage measurement conventions (Vpp) and amplitude calculation.

Time Measurement Procedures

Probe Compensation and Adjustment

Triggering and Timebase Stability

Importance of trigger level, automatic triggering, and stable sweep generation.

Component Tester Usage and Capabilities

Component Tester Applications and Fault Indication

Test Patterns for Component Verification

HM 307-3 Quick Start Guide

First Time Operation Steps

Step-by-step guide for initial instrument setup and power-on.

Test Instructions Overview

Vertical Amplifier Calibration and Performance

Timebase Sweep and Linearity Checks

Voltage Regulation and Stability Checks

CRT Display Optimization and Troubleshooting

Steps for adjusting brightness, focus, astigmatism, and troubleshooting common CRT issues.

Comprehensive Instrument Troubleshooting

Guidance on diagnosing faults using test equipment and sectional analysis.

Power Supply Unit Schematic and Operation

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