- 品牌/商标：G.R.A.S.丹麦
- 企业类型：贸易商
- 新旧程度：全新
- 产品型号：G.R.A.S.40SC
- 原产地：丹麦
G.R.A.S.40SC是可拆卸不锈钢探针管引导声信号到40SC极化麦克风里面.在被麦克风感知后，声信号传递到阻抗匹配波导，消除了不必要的内部反射。其结果是一个平滑的频率响应范围从2赫兹到20千赫。
技术规格：
频率范围: 2 Hz to 8 kHz
动态范围:40 dB - 160 dB
灵敏度:3 mV / Pa
典型应用与应用
声阻抗测量
排气系统测量
近场测量
在高温下测量
在小机箱内的压力分布测量
规格参数：
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 |
清单
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 |
如需详细资料，欢迎来电索取，谢谢
