Ascent™ Acoustic Release

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  • Overview
  • Gallery
  • Specifications
  • Downloads
  • Overview

    Remotely recover your marine instruments with VEMCO’s shallow water acoustic release.

    VEMCO’s Ascent Acoustic Release  is ruggedly designed for superior performance, reliability and real-time communication. It is available in two models:

    • Ascent AR with a battery life of 28 months
    • Ascent AR-2 with a battery life of 60 months

    Obtain Real-time Information from Deployed Units

    • Unit health
    • Tilt, depth and temperature
    • Estimated remaining battery life
    • Release status and activating the release
    • Ability to get range and depth information as the unit is rising to the surface
    • Estimate the distance between Ascent Acoustic Releases and the surface Deck Box
    • Locate deployed units

    Unit Discovery Mode Option

    • Determine which Ascents are within range of the Deck Box without having to remember specific serial numbers and exact release

    Communicate from the Surface to Deployed Acoustic Releases
    The VR100 Deck Box is used with a transponding hydrophone to communicate from the surface with deployed Ascents and provides easy, remote release of your marine instruments. Researchers will be able to retrieve real-time unit status information using a simple interface. Note that the VR100 Deck Box and transponding hydrophone are sold separately.

    For more details, see Downloads section.

  • Gallery
  • Specifications
    AR Dimensions
    AR-2 Dimensions
    Length: 401 mm, 342 mm without release lug
    Length: 465 mm, 406 mm without release lug
    Diameter: 81 mm
    Mooring bracket width: 170 mm
    AR Weight
    AR-2 Weight
    2350 g in air; 500 g in water
    2746 g in air, 812 g in water
    AR Power supply
    AR-2 Power supply
    Common to AR and AR-2
    1-3.6 V Lithium D cell battery
    1 – 3.6 V Lithium DD cell battery
    1 – 4V Lithium AA cell battery (for release motor only)
    AR Unit battery life
    AR-2 Unit battery life
    Approximately 28 months
    Approximately 60 months
    Release battery life > 100 releases per battery
    Maximum depth 500 metres
    Communication Acoustic via VR100 and Bluetooth®
    Mooring Mooring lug opening – 19 mm; Float attachment bracket – 2 x 14 mm
    Firmware Field upgradeable receiver firmware
    Max test load 1000 lbs
    Max safe working load 250 lbs
    Max release load 250 lbs
  • Downloads

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