Ses Şiddeti Ölçer CEM Instruments DT8851

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Sound Level Meter CEM Instruments DT8851

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Portable precision sound level measurement instrument for occupational noise surveys, environmental monitoring, and quality control applications.

Illuminated LCD display
IEC651-1 Class 2 compliant
Max/Min memory storage
Calibrable design
AC/DC analog output
Data logger functionality
Adjustable alarm threshold

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Kargolama ve Teslimat

Kurye Teslimatı

Kuryemiz belirtilen adrese teslimat yapacaktır.

2-3 Gün

Ü.A. Kargo

Aras Kargo Teslimatı

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1-3 Gün

Ücretsiz Kargo

Garanti 2 yıl

Daha fazla detay

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Daha fazla detay

Models 8851/8852 Sound Level Measuring Instruments are designed for noise surveys, quality control, occupational health assessment, and environmental noise monitoring. Capable of performing noise level measurements in factories, offices, traffic environments, and household appliance assessments for diverse occupational and environmental applications.

Technical Specifications

Measurement range	LO: 30dB~80dB Med: 50dB~100dB Hi: 80dB~130dB Auto: 30dB~130dB
Accuracy	±1.4 dB
Frequency range	31.5Hz ~ 8kHz
Dynamic range	50dB
Time weighting	Fast/Slow
Resolution	0.1 dB
Measurement unit selection	None
General memory	None
Max/Min memory	Yes
Display freeze	Yes
Average measurement	None
Limit value alarm	None
Carrying case	Yes
Dimensions (H×W×D)	278mm × 76mm × 50mm
Weight	350g
Included accessories	Battery, screwdriver, audio connector, wind screen, software, RS-232 cable, CD, tripod, DC 9V power adapter

Applications

Industrial and factory noise monitoring compliance
Occupational health and safety assessments
Environmental noise surveys and mapping
Noise source identification and quality control
Office and workplace acoustic evaluation
Traffic noise measurement and analysis
Household appliance noise testing

Frequently Asked Questions

What is the IEC651-1 Class 2 standard compliance?

IEC651-1 Class 2 certification ensures the instrument meets international standards for sound level measurement with an accuracy tolerance of ±1.4 dB, suitable for general environmental and occupational noise assessments.

What does the data logger functionality provide?

The integrated data logger records sound level measurements over time, enabling trend analysis and documentation for occupational health compliance and noise monitoring reports.

Can this meter be field-calibrated?

Yes, the instrument is calibrable. Optional calibration certification is available upon request for a fee to verify measurement accuracy per international standards.

What is the difference between Fast and Slow time weighting?

Fast time weighting (125ms) responds quickly to sound fluctuations for dynamic noise sources; Slow time weighting (1s) provides averaged readings for steady-state noise assessment.

What frequency range does this meter measure?

The instrument measures acoustic frequencies from 31.5Hz to 8kHz, covering the typical range for occupational and environmental noise monitoring applications.