The CRY2851 sound level meter is developed specifically for noise monitoring in various application scenarios. The product series meets the relevant requirements of the IEC61672-1:2013 standards, offering Class 1 accuracy products. in addition, based on different customer needs, a variety of functional options can be provided, including integral measurement, statistical analysis, 1/1 Oct,1/3 Oct, FFT analysis.
The CRY2851 adapts to diverse monitoring scenarios, making it ideal for applications such as environmental noise monitoring, traffic noise assessments, online noise pollution tracking, occupational health evaluations, and airport noise monitoring. Its flexibility and precision help establish accurate and reliable noise monitoring capabilities.
| Applications | Octave Analysis, Sound pressure level |
|---|---|
| Compliance Standard | GB/T3785.1-2010 Class 1, IEC61672-1: 2013 Class 1 |
| Operating Temperature | -20 to +60℃ (-4 to +140℉) |
| Reference level | 94dB@1kHz/114dB@1kHz |
| Environment | Temperature 23°C, Pressure 101.325kPa, Humidity 50% RH |
| Self-generated Noise Level | ≤16dBA |
| Size | L*W*H=260mm*90mm*40mm |
| Operation | Touch /Button |
| Power Supply | 5V DC |
| Frequency Range | 10Hz – 20kHz |
| Time Constants | Time Weighting: S, F, I |
| Measurement Function | 1/1Octave（16~20kHz）, 1/3Octave (10~20kHz, FFT, SLM, Statistical Analysis |
| Operating Humidity Range | ≤90% RH |
| Calibration | Sound Calibrator Class 1 |
| Microphone Type | CRY333 |
| Weight | 460g |
| Display | 4-inch TFT-LCD 480(RGB)*800 |
| Battery Type | 6600mAh lithium battery |
| Linear Operating Range | 21 dBA ~ 143 dBA |
| Internal Noise | ≤18dBA |
| Weighting Filters | Frequency weighting: A, C, Z |
| Statistics | LN (L1-L99) |
| Storage | 8G internal, MicroSD Card 32 GB (removable & upgradeable up to 64 GB) |
| Measuring Parameter | Lp, Lmax, Lmin, Leq, Lpeak, LN(1-99), SD, EA, LAE(SEL), 1/1 OCT, 1/3 OCT, FFT |
| Nominal Sensitivity | 50mV/Pa, -26±1.5dB re 1V/Pa |
| Certification | CCEP, CE, CPA |
| Synchronization | GPS |
| Charging Time | 4h |
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CRY2851
