高频水下换能器：0.5至3兆赫
高频水下换能器：0.5至3兆赫
BII-7580 High Frequency Underwater Transducer: 0.5 to 3 MHz
特征：
1.高频率
2.小波束角/低Q值/宽带
3.易于安装
建议应用：
1.水下声速/声速探头
2.声速剖面仪
3.浮游生物声纳：目标强度/丰度估计
4.高频超声能量源
5.水下机器人、车辆和设备
6.图像声纳，后向散射测量
7.水的超声波处理/藻类水华的控制
8.短距离导航，检查和测量
9.目标检测与跟踪，避障
10.精密水下测距仪，高度表，液位
11.超声仪器
12.声速试验中的超声场的光学分析
表1：7581-7583系列
BII-7580 High Frequency Underwater Transducer: 0.5 to 3 MHz
特征：
1.高频率
2.小波束角/低Q值/宽带
3.易于安装
建议应用：
1.水下声速/声速探头
2.声速剖面仪
3.浮游生物声纳：目标强度/丰度估计
4.高频超声能量源
5.水下机器人、车辆和设备
6.图像声纳，后向散射测量
7.水的超声波处理/藻类水华的控制
8.短距离导航，检查和测量
9.目标检测与跟踪，避障
10.精密水下测距仪，高度表，液位
11.超声仪器
12.声速试验中的超声场的光学分析
表1：7581-7583系列
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换能器： Transducer |
工作频率： Operating Frequency |
TVR dB µPa/V@1m |
OCV dB V/µPa |
Q |
光束角单向深度 Beam Angle One Way |
深度等级 Depth Rating |
深水 Deep Water |
尺寸 Size, mm ΦDxH |
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| BII-7581 | 1MHz | 174.3 | -207.2 | 3 | 3.3° | 300m | 950m | 33x50 | |||||||||
| BII-7582 | 2MHz | 184.6 | -216.4 | 3 | 1.7° | 300m | 950m | 33x50 | |||||||||
| BII-7583 | 600kHz | 181 | -193 | 3 | 3.8° | 300m | 950m | 48x25 | |||||||||
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功率能力： Power Capability: |
500W (1% Duty Cycle) | ||||||||||||||||
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光束模式： Beam Pattern: |
Conical | ||||||||||||||||
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光束角（双向）： Beam Angle (Two-Way): |
0.72*One-way Beam Angle | ||||||||||||||||
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旁瓣 （单向）： Sidelobe (One-Way): |
≤-17.7 dB | ||||||||||||||||
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旁瓣（双向）： Sidelobe (Two-Way): |
≤-35.4 dB | ||||||||||||||||
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深水： Deep Water: |
To order Deep Water model, append DW to the part number. For example, BII-7583DW is of 950m depth rating; BII-7583 is of 300m depth rating. |
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阻抗匹配： Impedance Matching: |
Custom BII-6000: 50 Ω, 67 Ω, 90 Ω, etc..., NOT included, Order Separately, Append IM to part number. | ||||||||||||||||
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开关： T/R Switch: |
BII-2100 Transmitting & Receiving Switch; Not included, order separately, Append TR to part number. | ||||||||||||||||
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安装选项： Mounting Options: |
1. Default: Free Hanging (FH) 2. Thru-hole Mounting with Single O-ring (THSO) 3. Thru-hole Mounting with Double O-ring (THDO) 4. Bolt Fastening Mounting (Stainless Steel): (BFMSS) 5. End-face Mounting: (EFM) |
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电缆长度： Cable Length: |
1. Default: 0.6m 2. Custom: up to 30m |
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电缆： Cable: |
1. Default: 50Ω RG58 Coax (Voltage Rating ≤ 50Vrms) (RG58) 2. Shielded Cable (SC) 3. Wire/Cable Bundle (WCB): ONLY for Thru-hole Mount with BII-768xTR and BII-768xTRIM. |
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连接器： Connector: |
1. BNC male (50 ohms) (Voltage Rating ≤ 50Vrms) (BNC) Warning: It is buyer's sole responsibility to make sure that the (female) BNC shield of the signal source is firmly grounded for operating safety before hooking up transducer to the signal source. 2. Wire Leads (WL) 3. Underwater Mateable Connector (UMC) Note: Thru-hole Mounting do not support BNC and Underwater Connectors. |
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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 | ||||||||||||||||