水下麥克風

聲力科技獨家代理 www.senritek.com

以色列Optoacoustics公司 OPTIMIC 4122光學水下麥克風, 採用MEMS光學麥克風, 以光訊號代替電訊號, 不受電磁干擾, 戶外使用, 防水防閃電, 連接光纖纜線, 可長達2公里. 防水深度15公尺, 使用壽命10年以上. 適合港口, 水下工程, 發電設施, 生產設備的長距離安全監控.

規格:

Polar Pattern                               Omnidirectional
Frequency Response                  30-10,000 Hz Conformity 30 - 1,000 Hz
Sensitivity                                    100 mV/Pa 士10% at 1 kHz
Equivalent Self-Noise                  <31 dBA
Maximum Acoustic Pressure       114dB SPL
Total Harmonic Distortion          <1% at 114 dB SPL
Supply Voltage                            24 V DC
Current Drain                               80 mA 士10%
Operating Temperature            -20 to +60C (-4 to +140F)
Storage Temperature                -20 to +60C (-4 to +140F)
Water Resistant                          Up to 15 m
MTBF                                          >100,000 hours
Microphone Head Material         Aluminium Alloy
Maximum Diameter                 25 mm
Maximum Length                     65 mm
Weight                                      32 g
Optical Cable Length                 10 m