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CRY2851 Sound Level Meter, photo 1 of 5

Crysound · Sound Level Meter

CRY2851 Sound Level Meter

  • Class 1 Sound Level Meter

The CRY2851 NEA Approved Sound Level Meter combines advanced performance with reliability, featuring a high-performance processor that ensures precise frequency analysis, data logging, and wireless control. Designed to meet stringent standards, it adheres to GB/T3785.1-2010 Class 1 and IEC61672-1:2013 Class 1 regulations, making it a robust choice for accurate and dependable sound level measurement.

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Overview

  • High-Performance Processor

    Delivers precise frequency analysis and accurate sound level measurements for reliable results.

  • Data Logging

    Records and stores measurement data, allowing for detailed analysis and historical tracking of noise levels.

  • Wireless Control and Transmission

    Offers remote operation and real-time data transmission for enhanced flexibility and convenience.

  • Compliance with Standards

    Adheres to GB/T3785.1-2010 Class 1 and IEC61672-1:2013 Class 1 standards for high accuracy and reliability.

  • Wide Measurement Range

    Capable of measuring a broad spectrum of sound levels, from very quiet to extremely loud environments.

  • Advanced Frequency Weighting

    Includes options for different weighting filters (e.g., A, C) to adapt measurements to specific needs.

  • Real-Time Display

    Features a clear and easy-to-read display for immediate monitoring and assessment of sound levels.

  • Durable Construction

    Designed to withstand various environmental conditions and rigorous use, ensuring long-term reliability.

  • User-Friendly Interface

    Simple controls and intuitive navigation make it easy to operate, even for users with minimal experience.

  • Portable and Lightweight

    Compact design allows for easy transport and use in diverse locations and scenarios.

Specifications

Physical3 items
Dimension
L*W*H = 260mm*90mm*40mm
Weight
460g
Operation
Touch /Button
Power Supply3 items
External Power Supply
USB Type C
USB input voltage
5V DC
USB input current
>1.5A
Calibration Environment4 items
Reference Level
94dB@1kHz/114dB@1kHz
Calibration
Sound Calibrator Class 1
Environment
Temperature 23°C, Pressure 101.325kPa, Humility 50% RH
Operation Condition
Temperature -10~+50℃, Pressure 65kPa-108kPa, Humility ≤90%RH
Microphone4 items
Sensor
CRY333 free-field 1/2" microphone
Open circuit sensitivity
50mV/Pa (-26dB re 1 V/Pa) ± 2dB
Frequency range
3.15Hz~20kHz(±2dB)
Noise floor
≤18dB(250Hz))
Standard1 item
Standard
GB/T3785.1-2010 Class 1, IEC61672-1: 2013 Class 1
Technical Specification4 items
Weighting
Frequency Weighting: A、C、Z, Time Weighting: F、S
Frequency Range
10Hz-20kHz
Measuring Parameter
Lp, Lmax, Lmin, Leq, Lpeak, LN(1-99), SD, Ldn, Ld, Ln, EA, LAE(SEL), 1/1 OCT, 1/3 OCT, FFT
Single measurement range (from noise floor to maximum level)
CRY333 Mic: 19-135dBA, CRY311 Mic: 12.5-129dBA