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CRY351 Measurement Microphone

CRY351 Measurement Microphone

CRY351 Measurement Microphone

Product catalog summary
Overview: The CRY351 is a pre-polarized 1/4-inch free-field condenser microphone designed by CRYSound Co., Ltd. It is engineered to convert acoustic signals into electrical signals with high precision and durability.
Specifications:
  • Field Type: 1/4” Free-field
  • Sensitivity: 15.8mV(-36dB) ±2dB @250Hz
  • Frequency Response: 4Hz - 40kHz ±2dB
  • Polarity Voltage: 0V (Pre-polarized)
  • Typical Capacitance: 7pF(@250Hz)
  • Linearity Range: 20-140dB (@250Hz sensitivity changes 0.2dB/10dB)
  • Dynamic Range Limit: ≥140dB (@250Hz THD<3%)
  • Inherent Noise: ≤20dBA (@250Hz)
  • Working Temperature: -20℃ to +60℃
  • Temperature Coefficient: +0.015dB /℃ (-10℃ to +50℃ @250Hz)
  • Static Pressure Coefficient: -0.01dB /kPa
  • Relative Humidity Range: 0-90% no condensation
  • Relative Humidity Coefficient: <0.1dB (0-90% no condensation)
  • Long Period Stability: <0.03dB/a (20℃ @250Hz)
  • Short Period Stability: <0.03dB (20℃ @250Hz)
  • Microphone Venting: Side pressure
  • Pressure Balanced Time Coefficient: >0.05s
Compliance: The microphone meets IEC 61094-4:1995 and GBT 20441.4-2006 standards for working standard microphones.
Mechanical Dimensions:
  • Height (with boot cap): 10.5mm
  • Diameter (with boot cap): 7mm
  • Height (without boot cap): 9mm
  • Diameter (without boot cap): 6.35mm
  • Diaphragm Ring: 5.8mm
  • Preamplifier Suit Screw Thread: 5.7mm-60UNS
  • Boot Cap Screw Thread: 6.45mm*0.2-60UNS
Features: The CRY351 microphone is constructed with high-quality materials and a titanium membrane for corrosion resistance and environmental robustness. It uses a laser welding process for stability across various temperatures and humidity levels.
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Catalog excerpts

CRY351 Measurement Microphone-1

CRY351 Measurement Microphone CRY351 measurement microphone is a pre-polarized 1/4-inch free-field condenser microphone. It is a kind of sensors that converts acoustic signals into electrical signals. The microphones are made of high-quality materials and Titanium membrane, this will ensure its perfect corrosion resistance and keep robustness from other kinds of environmental interference. Laser welding process provides a life-long stability in different temperature and humidity. Its sensitivity is 15.8mV(-36dB) ±2dB @250Hz and the frequency response is 4Hz – 40kHz ±2dB.  Meet IEC 61094-4:1995 Measurement microphones-Part 4: Specifications for working standard microphones  Meet GBT 20441.4-2006 Measurement microphones-Part 4: Specifications for working standard microphones Technique Specification Specification CRY351 Measurement Microphone Field Type Frequency Response(dB) Dynamic Range Limit (ref. 20uPa) CRY Sound Co., Ltd Sensitivity mV/Pa (dBV/Pa) Add: No.31-1, Xianxing Road, Xianlin Industrial Park, Yuhang District, Hangzhou, Zhejiang

 Open the catalog to page 1
CRY351 Measurement Microphone-2

Working Temperature Temperature Coefficient Static Pressure Coefficient Relative Humidity Range Relative Humidity Coefficient Long Period Stability Short Period Stability Microphone Venting Side pressure Pressure Balanced Time Coefficient Mechanical Size Height (with boot cap) Diameter (with boot cap) Height (without boot cap) Diameter (without boot cap) Diaphragm Ring Preamplifier suit screw thread Boot cap screw thread CRY351 Pressure field measurement microphone typical response curve Add: No.31-1, Xianxing Road, Xianlin Industrial Park, Yuhang District, Hangzhou, Zhejiang

 Open the catalog to page 2

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