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Center 327 User Manual

Center 327
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CENTER 327
Sound Level Calibrator
ANSI S1.40 - 1984
IEC 60942 Class 2
OFF
125Hz
250Hz
Instruction Manual Ver.00 2005/July
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Center 327 Specifications

General IconGeneral
BrandCenter
Model327
CategoryMeasuring Instruments
LanguageEnglish

Summary

Safety Information and Precautions

General Safety Guidelines

Read safety information carefully before operating; use only as specified to maintain protection.

Environmental and Maintenance Advice

Operate within specified environmental conditions and clean with a dry cloth only.

Safety Symbols Compliance

Comply with EMC directives and use specified replacement parts for servicing.

Device Description and Features

Product Description

Sound level calibrator for sound measurement equipment, supports 1" and 1/2" microphones.

Key Features

Conforms to standards, offers 94 dB at 125Hz/250Hz, and fits 1"/1/2" microphones.

Technical Specifications

Output Sound Pressure Levels and Frequencies

Specifies output levels of 94dB at 125Hz and 250Hz with specified tolerances.

Reference and Ambient Conditions

Details reference conditions (temp, humidity) and influences of ambient factors.

Accuracy and Performance

Defines THD, accuracy, and stabilization time for reliable measurements.

Power and Physical Attributes

Covers battery requirements, life, dimensions, weight, and operating/storage conditions.

Nomenclature and Operation

Component Identification

Identifies key parts including LEDs, switches, microphone cavities, and battery cover.

Operating Preparation Steps

Instructions for battery installation and quick operational checks.

Calibration Procedure Steps

Guidance on microphone insertion, instrument setup, and reading measurements.

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