这种探头具有出色的灵敏度，非常适合低频场的测量。
概观
尽管针对较低频率进行了优化，2.0毫米针式水听器也可用于较高频率的测量(尤其是非常微弱的信号)。
在这种情况下，2毫米孔径固有的方向性和空间平均特性意味着在解释数据时应小心谨慎。
技术条件
| 输出阻抗: | 27 4 pF |
| 典型探头灵敏度: | 在正确端接的HP1潜水前置放大器的输出端测量时，在0.5 MHz至8 MHz范围内的平均值为3.5 V/MPa(相当于-229.1 dB re 1V/uPa) |
| 灵敏度公差: | 单个探针之间的灵敏度变化约为。3分贝 |
| 典型频率响应: | 平坦(2dB): 400 kHz至6 MHz 平坦(4dB): 100 kHz至10 MHz 最小校准频率30 kHz |
| 传感器材料: | 28微米厚的金电极聚偏二氟乙烯(PVdF)膜 |
| 传感器尺寸 | 直径为2.0毫米的圆盘 |
| Needle Hydrophone – 0.04.mm | NH0040 | Precision Acoustics Ltd |
| R3 Syntactic Foam | R3 | Precision Acoustics Ltd |
| F50 Syntactic Foam | F50-1000 | Precision Acoustics Ltd |
| F30 Syntactic Foam | F30-1000 | Precision Acoustics Ltd |
| F40 Syntactic Foam | F40-1000 | Precision Acoustics Ltd |
| Aptflex F28P(15pcs) | Aptflex F28P | Precision Acoustics Ltd |
| Submersible Preamplifier | HP1 | Precision Acoustics Ltd |
| Needle Hydrophone – 2mm | NH2000 | Precision Acoustics Ltd |
| Calibration – needle hydrophone | NH1000–PA0.3-1-50K | Precision Acoustics Ltd |
| 15MHz 10mm active diamter Transducer | TX_15_10 | Precision Acoustics Ltd |
| TS767 – 2MHz, 50mm Active, PZ27 | TXZ_0767 | Precision Acoustics Ltd |
| cable | BNC-BNC-RG58-1M | Precision Acoustics Ltd |
| UMS Low frequency system | UMS | Precision Acoustics Ltd |
| Fibre Optic Sensor V2 | FSV2 | Precision Acoustics Ltd |
| TS765 – 50MHz, 3mm active | TXZ_0765 | Precision Acoustics Ltd |
| TS764 – 50MHz, 6mm active | TXZ_0764 | Precision Acoustics Ltd |
| membrane hydrophone | D1202 | Precision Acoustics Ltd |
| SHIPPING-LARGE-ROW | SHIPPING-LARGE-ROW | Precision Acoustics Ltd |
| Dangerous Goods Documents | DGN | Precision Acoustics Ltd |
| F3S 23kg kit – Black (20 x 1kg tins Part… | F3S-23K-BLACK | Precision Acoustics Ltd |
| Multipurpose transducer mount | MTM | Precision Acoustics Ltd |
| 10MHz 19mm active diamter Transducer | TX_10_19 | Precision Acoustics Ltd |
| 5MHz 23mm active diamter Transducer | TX_5_23 | Precision Acoustics Ltd |
| 3MHz 23mm active diamter Transducer | TX_3_23 | Precision Acoustics Ltd |
| NH0040 mm needle hydrophone | NH0040-system | Precision Acoustics Ltd |
| PACKING&MATERIALS | PACKING&MATERIALS | Precision Acoustics Ltd |
| membrane hydrophone | D1602 | Precision Acoustics Ltd |
| 1MHz 19mm active diameter Transducer | TX_1_19 | Precision Acoustics Ltd |
| PVdF research kit | PVRESEARCH | Precision Acoustics Ltd |
| Needle hydrophone system: 4 mm | NH4000-SYSTEM | Precision Acoustics Ltd |
| Needle hydrophone system: 2 mm | NH2000-SYSTEM | Precision Acoustics Ltd |
| Needle hydrophone system: 1 mm | NH1000-SYSTEM | Precision Acoustics Ltd |
| Hydrophone Booster Amplifier | HA- Hydrophone Booster Amplifier | Precision Acoustics Ltd |
| Attenuator 20 dB | A20 | Precision Acoustics Ltd |
| In-house calibration for NH0500 | PAL1-30MHZ-1 | Precision Acoustics Ltd |
| In-house calibration for NH1000 | PAL1-20MHZ-1 | Precision Acoustics Ltd |
| TS651 PCD – 4mm active | TXZ_0651 | Precision Acoustics Ltd |
| Signal Amplifier for UC/UT Membrane Hydr… | MA2 | Precision Acoustics Ltd |
| Budget Hydrophone Mount | BHM | Precision Acoustics Ltd |
| NPL calibration 1-40MHz in 1MHz incremen… | NPL1-40-1 | Precision Acoustics Ltd |
| Membrane – Co-planar 16 micron 0.4mm dia… | UT1604 | Precision Acoustics Ltd |
| PA in-house calibration 1-20 MHz in 1 MH… | PA1-20-1M | Precision Acoustics Ltd |
| Needle hydrophone system: 4 mm | NH4000 | Precision Acoustics Ltd |
| Needle Hydrophone – 0.075.mm | NH0075 | Precision Acoustics Ltd |
| 0.5MHz 44mm active diameter Transducer | TX_0.5_44 | Precision Acoustics Ltd |
| 2MHz 23mm active diameter Transducer | TX_2_23 | Precision Acoustics Ltd |
| Needle Hydrophone – 0.5mm | NH0500 | Precision Acoustics Ltd |
| Teardrop Mount for medium transducer | TEARDROPMOUNT_MEDIUM | Precision Acoustics Ltd |
| Teardrop Mount for large transducer | TEARDROPMOUNT_LARGE | Precision Acoustics Ltd |
| Coupling Cone for M size housing – 19mm … | TXCC_001 | Precision Acoustics Ltd |
| Coupling Cone for L Housing – 35mm ROC | TXCC_004 | Precision Acoustics Ltd |
| Transducer HIFU 5MHz, OD=19mm, r=19mm | TXH-5-19 | Precision Acoustics Ltd |
| Transducer HIFU 1MHz, OD=19mm, r=19mm | TXH-1-19 | Precision Acoustics Ltd |
| Transducer HIFU 3.5MHz, OD=23mm, r=35mm | TXH-3.5-35 | Precision Acoustics Ltd |
| Low frequency structured tile – 600mm x … | ALBERICH | Precision Acoustics Ltd |
| Needle hydrophone system: 0.2 mm | NH0200-SYSTEM | Precision Acoustics Ltd |
| Needle hydrophone system: 0.5 mm | NH0500-SYSTEM | Precision Acoustics Ltd |
| Teardrop Mount for HIFU transducer | TEARDROPMOUNT_HIFU | Precision Acoustics Ltd |
| Coupling Cone for HIFU Housing – 75mm RO… | TXCC_002 | Precision Acoustics Ltd |
| In-house calibration 0.3-1MHz in 50kHz s… | PA0.3-1-50K | Precision Acoustics Ltd |
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