Directional Receiver

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The Seeker acoustic directional receiver is a small, rugged passive pinger receiver, used to assist operators of ROVs and AUVs in tracking acoustic sound sources (from 25 to 40kHz).

There are two different models of Seeker receivers. The VADR1000M operates to depths of 1000 metres and the VADR6000M can withstand depths of 6000 metres.


  • Pinger receiver mode:
  • Receive bandwidth: 25 to 40kHz in 100Hz increments
  • Receiver sensitivity: -100dB ref 1Upa @ 1 metre
  • Transporter mode:
  • Receive frequencies: 27, 28, 29, 30, 31, 32, 33, 34kHz
  • Interrogation frequency: 26kHz
  • Acoustic output: 180dB re 1uPa @ 1m
  • Acoustic signal: Coded system Range: Up to 1000m
  • Directional hydrophone:
  • Beam width: 40° + 5°
  • BINS: Left or right, 3, 8, 20 or >20°
  • Bearing accuracy: 4° nominal in BINS 1 and 2
  • Bearing resolution: 2°
  • Pinger receiver mode:
  • Receive bandwidth: 25 to 40kHz in 100Hz increments
  • Receiver sensitivity: -100dB ref 1Upa @ 1 metre
  • Control interface:
  • RS232: 9600 baud, no parity, 8 data bits and 1 stop bit
  • Connector: 5 pin underwater pluggable
  • Interface software: Microsoft OS, provided
  • Input voltage: 18 to 32V DC, 24V DC nominal
  • Mechanical / environmental:
  • Housing: Aluminium hard coat anodised
  • Depth rating:
  • VADR1000M: 1000m
  • VADR6000M: 6000m
  • Weight:
  • VADR-1000M: 3.8kg in air, 3.2kg in water
  • VADR-6000M: 6.8kg in air, 5.5kg in water
  • Dimensions:
  • VADR-1000M: 11.4 x 26.0cm
  • VADR-6000M: 12.7 x 28.0cm
  • Operating temperature range: -18 to 43°C

Delivery, Returns & Instore Collection

When will I receive my order?

International Delivery Times

Monday – Friday 3 – 5 Working Days

UK Mainland Delivery Times

Monday – Friday before 2pm Next Working Day
Monday – Friday after 2pm 2 Working Days
Saturday & Sunday 2 Working Days

UK Extended Areas Delivery Times

Monday – Sunday 3 – 5 Working Days

Please note delivery times may be extended during busy periods.

EU Areas

Please note that due to changes by HMRC, orders being shipped to EU countries will not be shipped on the same day as they are invoiced. EU Orders will now be shipped on the next working day. This only applies to E.U. orders. Domestic and Worldwide shipments remain the same.

Collect In Store?

When you go to the online checkout, you can opt to collect your items in store. We'll let you know when your order is ready for you to collect. Your order will normally be ready to collect the next working day.

Returns, refunds or exchanges?

You can return any item within 28 days of receipt for a refund, provided the item is unused, in its original packaging and in 'as new' condition.

Items will be refunded in full (less postage) if received within 28 days from the date of despatch.


We aim to deal with all returns and exchanges on the day they arrive, however please allow longer during peak periods.

You can return the item(s) by dropping them off in store or by returning the item(s) by post. We do not insist on a specific courier service for the return, so please use the most economical or appropriate method for returning the item(s).

Northern Diver (Int) Ltd
Appley Lane North
Appley Bridge

If an item becomes faulty after a period of time then please contact customer services (01257 254 444 or prior to returning the item. We will either repair or replace the item at our discretion.

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Northern Diver offers trade accounts to commercial organisations and to those who work in or around water. Please click here to register your details and find out if you qualify. Once your trade account has been confirmed you can view all trade prices and shop easily online when logged into your account. Please note when you are not logged in to your trade account retail prices are shown. If you have any queries please do not hesitate to contact us. Tel: +44 (0) 1257 25 44 44.