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General| Brand | HBK |
|---|---|
| Model | 4231 |
| Category | Test Equipment |
| Language | English |
Explains symbols used in the manual for safety indications.
Details potential explosion and electrical hazards associated with the apparatus.
Describes caution for impaired function or safety when handling the apparatus.
Provides instructions for proper disposal of electronic equipment and batteries.
Overview of the Sound Calibrator Type 4231's purpose and calibration capabilities.
Instructions for operating the power button and automatic switch-off function.
Details how to use the button to increase sound pressure level for specific calibration needs.
Information on battery type, replacement, and maintenance for optimal performance.
Explains the use of various adapters for calibrating different microphone types.
Step-by-step guide for performing calibration with the sound calibrator.
Explains necessary corrections for different sound field measurement types.
Describes the minor effect of atmospheric pressure on sound pressure level.
Details the minimal impact of temperature changes on the calibrator's sensitivity.
Explains how load volume variations are minimized for consistent sound pressure levels.
States the traceability of calibration to national and international standards laboratories.
Discusses short-term and long-term stability characteristics of the calibrator.
Recommends annual recalibration by authorized personnel or recognized labs.
Provides guidance on ambient conditions for specific test procedures.
Explains the internal feedback loop and components of the calibrator's operation.
Details the components of the calibrator's feedback circuit.
Explains the voltage used for feedback comparison and polarization.
Describes the generator producing a 1 kHz sine wave.
Explains the quartz-controlled oscillator for frequency stability.
Describes the circuit that switches the calibrator and monitors sound pressure level.
Details the internal design features for pressure equalization and acoustic efficiency.
Advises on handling faults, removing batteries, and contacting service representatives.
Lists technical specifications including standards, environmental conditions, and dimensions.
Details the various standards and regulations the product complies with.
Lists the sound calibrator and optional accessories available for purchase.
