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7842

7842

  • 厂商:

    SONARDYNE

  • 封装:

  • 描述:

    7842 - Mini RovNav LBL Transponder - Sonardyne sound in depth

  • 详情介绍
  • 数据手册
  • 价格&库存
7842 数据手册
Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 E. sales@sonardyne.com www.sonardyne.com Datasheet Mini RovNav LBL Transceiver Description Mini RovNav is a compact, remote acoustic transceiver designed to accurately position deepwater, mobile targets such as ROVs and towfish. The Type 7842 is a Medium Frequency (18-36 kHz) version which gives ranges up to 3kms and a positioning accuracy of ±0.15m. The Type 7860 Extra High Frequency (50-110 kHz) Mini RovNav enables relative positioning of accuracies ±0.05m to be achieved with acoustic ranges of up to 1km. Mini RovNav is compatible with all compatt commands thus allowing a relative calibration of a seabed array from the remote vehicle without the need for direct ranging or telemetry to the surface vessel. This enables high accuracy, short range EHF equipment to be used in deepwater. Key features (Type 7842) • Depth rated to 4,000 metres • Provides ranges up to 3km and positioning accuracy of ±0.15m • Sonardyne LBL and LUSBL compatible • RS232/ RS485 full or half duplex interface for fast position updates • Compact and rugged design Key features (Type 7860) • Type 7860 EHF Mini RovNav • Depth rated to 2,000 metres • Provides ranges up to 1km and positioning accuracy of ±0.05m • Enables high accuracy LBL equipment to be used in deepwater • Integral depth and temperature sensors • Powered from ROV's umbilical When used with a Sonardyne USBL system, the Mini RovNav can be configured as a USBL Responder or as a LBL transceiver to provide a complete acoustic positioning solution. Working within a Long BaseLine array, Mini RovNav measures ranges to seabed transponders. Together with depth information, this data is digitally transmitted to the surface and combined with survey software to determine the position of the mobile relative to the array. The digital link (RS232 or RS485 full or half duplex) ensures that reliable communications with the Mini RovNav can be maintained despite the use of increasingly long umbilical. Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 E. sales@sonardyne.com www.sonardyne.com Specifications Mini RovNav LBL Transponder Feature Depth Rating Operating Frequency Transducer Beamshape Transmit Source level (dB re 1µPa @1m) Receive Sensitivity (dB re 1µPa) Pulse Length Range Resolution Depth Sensor Options Depth Measurement: Resolution Accuracy @ 4ºC Temperature Measurement Resolution Accuracy Power Supply Power Consumption Dimensions (LxDia) Connector Types Mechanical Construction Weight in Air Options Type 7842 4,000 Metres MF (18-36kHz) Omni-Directional 190±4dB (High Power Mode)
7842
1. 物料型号: - Type 7842:中等频率(18-36 kHz)版本,提供最远3公里范围和±0.15米定位精度。 - Type 7860:超高频(50-110 kHz)版本,提供最远1公里范围和±0.05米定位精度。

2. 器件简介: - Mini RovNav是一款紧凑的远程声学收发器,设计用于精确定位深水移动目标,如遥控潜水器(ROV)和拖曳鱼。它在长基线(LBL)阵列中工作,测量到海底应答器的距离,结合深度信息,这些数据被数字化传输至水面,并与调查软件结合以确定移动目标相对于阵列的位置。

3. 引脚分配: - 两种型号均使用8针AGP插头,型号为AGP-2608-F。

4. 参数特性: - Type 7842:深度等级4000米,操作频率为中等频率(18-36kHz),全向发射波束,发射源级190±4dB(高功率模式),接收灵敏度<96dB,脉冲长度4ms,范围分辨率0.1ms。 - Type 7860:深度等级2000米,操作频率为超高频(50-110kHz),全向发射波束,发射源级190±4dB(高功率模式),接收灵敏度<100dB,脉冲长度1ms,范围分辨率0.01ms。

5. 功能详解: - Mini RovNav与所有兼容的指令兼容,允许从远程车辆相对校准海底阵列,无需直接测距或向水面船只发送遥测信号。这使得在深水环境中可以使用高精度、短距离的超高频设备。

6. 应用信息: - Mini RovNav与Sonardyne USBL系统配合使用时,可以配置为USBL应答器或LBL收发器,提供完整的声学定位解决方案。

7. 封装信息: - Type 7842:尺寸为485mm(19.0英寸)x 95mm(3.7英寸),重量为5.5kg。 - Type 7860:尺寸为518mm(20.3英寸)x 95mm(3.7英寸),重量为6kg。 - 机械结构:硬质阳极氧化铝合金。

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