- 品牌/商標：G.R.A.S.丹麥
- 企業類型：貿易商
- 新舊程度：全新
- 產品型號：G.R.A.S.40SC
- 原產地：丹麥
G.R.A.S.40SC是可拆卸不銹鋼探針管引導聲信號到40SC極化麥克風里面.在被麥克風感知后，聲信號傳遞到阻抗匹配波導，消除了不必要的內部反射。其結果是一個平滑的頻率響應范圍從2赫茲到20千赫。
技術規格：
頻率范圍: 2 Hz to 8 kHz
動態范圍:40 dB - 160 dB
靈敏度:3 mV / Pa
典型應用與應用
聲阻抗測量
排氣系統測量
近場測量
在高溫下測量
在小機箱內的壓力分布測量
規格參數：
Frequency range (±3 dB) | Hz | 2 to 8 k |
Dynamic range lower limit (microphone thermal noise) | dB(A) | 40 |
Dynamic range upper limit | dB | >160 |
Set sensitivity @ 250 Hz (±2 dB) | mV/Pa | 3 |
Polarization voltage | V | 0 V / CCP |
Power supply (Constant Current Power) | mA | 2 to 20 |
Output impedance | Ω | <50 |
Temperature range, operation | °C / °F | -25 to 700 / -13 to 1292 |
Temperature range, storage | °C / °F | -40 to 85 / -40 to 185 |
Temperature range with G.R.A.S. preamplifier, operation | °C / °F | -25 to 70 / -13 to 158 |
Connector type | BNC | |
CE/RoHS compliant/WEEE registered | Yes/Yes/Yes | |
Weight | g / oz | 40 / 1.4110 |
清單
G.R.A.S. GR0265 | Pistonphone adapter for stainless steel probe |
G.R.A.S. GR0266 | Pistonphone adapter for flexible probe |
G.R.A.S. GR0267 | Heat sink and tool |
G.R.A.S. GR0275 | Calibration coupler |
G.R.A.S. GR0263 | 1.3 mm insert pin for calibration coupler |
G.R.A.S. GR0266 | 1.6 mm insert pin for calibration coupler |
G.R.A.S. YY0004 | Pair of pliers |
G.R.A.S. YY0005 | File |
G.R.A.S. MI0016 | Silicon grease |
G.R.A.S. EK0018 | Teflon tubing (L=0.5 m, Dia.: 1.6 mm) |
G.R.A.S. GR0258 | 20 mm probe tube |
G.R.A.S. GR0259 | 40 mm probe tube |
G.R.A.S. GR0260 | 80 mm probe tube |
G.R.A.S. GR0261 | 160 mm probe tube |
G.R.A.S. GR0401 | Flexible probe tube |
如需詳細資料，歡迎來電索取，謝謝
