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CEL-272 PERSONAL SOUND EXPOSURE METER

Instructions

Reduce the Artwork to 95%

PP60111

Issue: 2

September 1990

The CEL-272 Personal Sound Exposure Meter is

a totally new instrument designed to fulfill the

measurement requirements of the United Kingdom

"Noise at Work Regulations" 1989, and the re-

cently introduced ISO 1999: 1990 "Determination

of Occupational Noise Exposure and Estimation of

Noise Induced Hearing Impairment" which stipu-

late standard methods for measuring personal

sound exposure.

The CEL-272 complies with Draft IEC Document

TC 29/WG 4, and substantially meets the require-

ments of BS 6402 for Personal Noise Dose Me-

ters. Where relevant, the performance of the

instrument also satisfies IEC 804 for integrating av-

eraging sound level meters.

Recent European noise exposure legislation men-

tions three action levels. At levels below the 1st ac-

tion level (1.0 Pa

h - equivalent to 85 dB(A) for 8

hours) "reasonably practicable" noise reductions

should be made. Between the 1st and 2nd action

level (3.2 Pa

h - 90 dB(A) for 8 hours) noise as-

sessments must be made, records kept, details

given to employees, and hearing protection issued

to those who ask for it. Above the 2nd and also at

or above the peak action level (200 Pa - 140 dB

for any period), hearing protection measures must

be enforced by the employer.

The Personal Sound Exposure Meter is a mini-

ature instrument intended to be worn by an individ-

ual so that its microphone is subjected to as nearly

as possible the same sound exposure as the

wearer. It can be switched to give a reading in

either Pa

h sound

exposure or % noise

dose (see box).

archive Document

for

Discontinued Instrument

1 Black

Marks

1 CEL Blue

1 2 3 4 5 6 7 8

Indice de contenidos

Pagina 1 - Discontinued Instrument

CEL-272 PERSONAL SOUND EXPOSURE METERInstructionsReduce the Artwork to 95%PP60111Issue: 2September 1990The CEL-272 Personal Sound Exposure Meter isa t

Pagina 2 - Register

DESCRIPTIONThe instrument uses a1/4" electret microphonecapsule installed in an energy absorbing housingthat can be mounted close to the wearer&a

Pagina 3

900044Batt OffPa h2%CALAdjOffDisplayOnOverloadAutorangingDecimal PointColonsLO BAT%DOSEPa h2ParameterIndicators++++3 BlackRegisterMarks3 CEL Blue

Pagina 4 - OPERATION

ACOUSTIC CALIBRATIONPerform an acoustic calibration with a CEL-282(Class 2) or CEL-284/2 (Class 1) Acoustic Calibra-tor immediately before use.Caution

Pagina 5 - Sound Exposure and Noise Dose

Sound Exposure and Noise DoseSound Exposure is oftenthought of in terms of noisedose because it is similar inconcept to the "dose-exposure"r

Pagina 6

Type:Personal Sound Exposure Meter according toIEC Draft Document TC 29/WG 4, IEC 29(SEC) 194 Feb 1990.Meets measurement requirements of ISO 1999:1990

Pagina 7

Specification - Compliance with IEC 804 (BS 6698)Batteries:4 x IEC AAA (LR03) Manganese Alkaline type.Battery life is typically better than 20 hours.D

Pagina 8 - Return Information

Serial numberInspector DateRENEWALS:DateInspectorDateInspectorDateInspectorCEL-272 Personal Sound Exposure MeterThis equipment has been fully inspecte

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