低流量噪声水听器
低流量噪声水听器
BII-7160 Low Flow Noise Hydrophone
建议应用：
1.强流中的信号检测
2.自然的、人为的和生物声学水下声音
3.水听器阵与被动声纳
4.爆炸声源和空气枪被动声学监测系统检测（PAM系统）
5.拖曳式阵列，拖缆单元
6.声纳浮标
7.地震勘探/钻孔地震
特征：
1.低的流体噪声和假声
2.流线型的水听器的身体
3.驱动长电缆最大限度地减少湍流和气蚀的发生
4.尽量减少电流产生的噪音
5.低干扰信号场
表1：7160-7166系列
建议应用：
1.强流中的信号检测
2.自然的、人为的和生物声学水下声音
3.水听器阵与被动声纳
4.爆炸声源和空气枪被动声学监测系统检测（PAM系统）
5.拖曳式阵列，拖缆单元
6.声纳浮标
7.地震勘探/钻孔地震
特征：
1.低的流体噪声和假声
2.流线型的水听器的身体
3.驱动长电缆最大限度地减少湍流和气蚀的发生
4.尽量减少电流产生的噪音
5.低干扰信号场
表1：7160-7166系列
| BII-7160 | BII-7161 | BII-7162 | BII-7165 | BII-7166 | |||||
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最大耐压深度： Maximum Operating Depth: |
300 m | 300 m | 300 m | 300 m | |||||
| BII-7160 | BII-7161DW | BII-7162DW | BII-7165DW | BII-7166DW | |||||
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最大耐压深度： Maximum Operating Depth: |
950 m | 950 m | 950 m | 950 m | |||||
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电压灵敏度 ：（单端输出） Voltage Sensitivity (dB V/µPa ): (Single-ended Output) |
-197.5 | -201.5 | -197.5+Preamplifier Gain | -201.5+Preamplifier Gain | |||||
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电压灵敏度 ：（差分输出） Voltage Sensitivity (dB V/µPa ): (Differential Output) |
-191.5 | -195.5 | -197.5+Preamplifier Gain | -201.5+Preamplifier Gain | |||||
| Preamplifier Gain Options: | N/A | N/A | 0/26/40/60dB | 0/26/40/60dB | |||||
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电容：（单端输出） Capacitance: (Single-ended Output) |
13.5 nF | 11.2 nF | N/A | N/A | |||||
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电容：（差分输出） Capacitance: (Differential Output) |
3.4 nF | 2.8 nF | N/A | N/A | |||||
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可用频率： Usable Frequency: Flat Sensitivity ±2dB V/µPa |
0.1 Hz to 60 kHz | 0.1 Hz to 140 kHz | 0.1 Hz to 60 kHz | 0.1 Hz to 140 kHz | |||||
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噪声密度 ： Noise Density (RTI): |
N/A | N/A | 36 dB µPa/√Hz | 40 dB µPa/√Hz | |||||
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加速度灵敏度： Acceleration Sensitivity: dB re µPa/(m/s²) |
104.2 | 107.4 | 104.2 | 107.4 | |||||
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内置放大器： Built-in Preamplifier: |
No | No | Yes | Yes | |||||
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高通滤波器： High Pass Filter: |
No | No | Yes, Custom | Yes, Custom | |||||
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水平指向性 Horizontal Directivity: |
Omnidirectional ± 2 dB @ 35 kHz |
Omnidirectional ± 2 dB @ 50 kHz |
Omnidirectional ± 2 dB @ 35 kHz |
Omnidirectional ± 2 dB @ 50 kHz |
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垂直指向性： Vertical Directivity: |
220° ±3dB @ 35 kHz | 210° ±3dB @ 50 kHz | 220° ±3dB @ 35 kHz | 210° ±3dB @ 50 kHz | |||||
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电气绝缘： Electrical Insulation: |
> 500 MΩ @ 1000 VDC | > 500 MΩ @ 1000 VDC | N/A | N/A | |||||
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电源： Power Supply: |
N/A | N/A | +4.5 to +24VDC | +4.5 to +24VDC | |||||
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电流（静态）： Current (Quiescent): |
N/A | N/A | 0.6mA | 0.6mA | |||||
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重量：（空气） Weight (in air): |
38 grams | 35 grams | 250 grams | 250 grams | |||||
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电缆长度： Cable Length: |
1. 6m (default) 2. Custom: up to 50m |
1. 6m (default) 2. Custom: up to 20m |
1. 10m (default) 2. Custom: up to 100m |
1. 10m (default) 2. Custom: up to 100m |
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尺寸： Size: |
ΦD x Length = 32.0 mm x 60.0 mm | ||||||||
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输出类型： Output Type: |
1. Default: Single Ended Output (SE). Append SE to the listed part number. 2. Differential Output (DF), Exclusive to preamplified hydrophone. Append DF to the listed part number. |
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电缆： Cable: |
屏蔽电缆 1. Shielded Cable (ΦD=3.6mm) (SC36) 2. Shielded Cable (ΦD=6.5mm) (SC65) |
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安装选项： Mounting Options: |
默认值：自由悬挂 1. Default: Free Hanging (FH) 单O型圈通孔安装 2. Thru-hole Mounting with Single O-ring (THSO) 双O型圈通孔安装 3. Thru-hole Mounting with Double O-ring (THDO) 螺栓紧固安装（塑料）： 4. Bolt Fastening Mounting (Plastics): (BFMP) 螺栓紧固安装（不锈钢）： 5. Bolt Fastening Mounting (Stainless Steel): (BFMSS) 通孔安装+自由悬挂 6. Thru-hole Mounting + Free Hanging (THFH) |
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连接器： Connector: |
1. Default: Wire Leads (WL) 2. BNC Male (BNC) 3. 3.5 mm (?″) TRS Plug (TRS35) 4. ¼″ (6.35 mm) TRS Plug (TRS635) 5. XLR Plug (XLR) 6. Underwater Mateable Connector (UMC) 7. MIL-5015 Style (5015) 8. +9VDC Battery Snap (BS) (Exclusive to preamplified hydrophone) 9. Custom (custom) |
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工作温度： Operating Temperature: |
-10°C to +60°C | ||||||||
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存储温度： Storage Temperature: |
-40°C to +60°C | ||||||||
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