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面向专业测量的 CRYSOUND 仪器，配套声学分析软件、使用支持、技术培训，并在适用时与 Four Gases 合作供货。

CRY2831 2级声级计

紧凑型2级声级计，适合日常测量和筛查。

全面满足 IEC 61672 三部分要求 全面满足 NBR 10151
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CRY2831 2级声级计

CRY2831 · 价格面议

CRY2831 2级声级计

Key features include IEC 61672-1:2013 Class 2 compliance.

The instrument offers a 29dB~138dB measurement range.

It uses a 1/2 inch self-developed electric condenser microphone.

通过我们销售的设备包含 2 年质保和使用支持。
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CRY2831 2级声级计

技术规格

ClassIEC 61672-1:2013 Class 2
Measurement range29dB~138dB
Microphone1/2 inch electric condenser microphone
Frequency range20Hz~12.5kHz
Frequency weightingA / C / Z
Time weightingF / S
Accuracy±1.5dB

亮点

IEC 61672-1:2013 Class 229dB~138dB measurement range20Hz~12.5kHz frequency rangeA/C/Z frequency weightingF/S time weighting<25dB noise floor
IEC 61672-1:2013 Class 2

IEC 61672-1:2013 Class 2

The CRY2831 is a compact Class 2 sound level meter for routine measurements, screening, acoustic checks and practical field use.

  • IEC 61672-1:2013 Class 2.
  • ±1.5 dB accuracy.
  • 2-year warranty and expert support on units sold by our operation.
Measurement Range

Measurement Range

It provides a 29 dB to 138 dB measurement range and a low noise-floor below 25 dB for routine environmental and occupational sound measurements.

  • 29 dB to 138 dB measurement range.
  • 20 Hz to 12.5 kHz extended frequency range.
  • A/C/Z frequency weighting and F/S time weighting.
Self-developed Microphone

Self-developed Microphone

The unit uses a 1/2 inch self-developed electric condenser microphone and a simplified interface for quick field operation.

  • 1/2 inch electric condenser microphone.
  • Compact body for portable use.
  • Good entry point for Class 2 measurements.
面向专业测量的 CRYSOUND 仪器，配套声学分析软件、使用支持、技术培训，并在适用时与 Four Gases 合作供货。

您也可以了解 Calc dB Tools, 一套面向场所、活动、工业和技术运行的远程控制和监测平台。

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