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Product profile

DVL A125

Water Linked DVL A125 is a compact Doppler velocity log for underwater robots, providing bottom-track velocity and navigation data for AUV and ROV integrat...

Facts

Company
Water Linked
Product type
component
Status
commercial
Primary capability
underwater_navigation
Website
https://www.waterlinked.com/shop/dvl-a125-178

About DVL A125

Water Linked DVL A125 is a compact Doppler velocity log for underwater robots, providing bottom-track velocity and navigation data for AUV and ROV integration.

Market context

https://zlsbkmaixmmnjrgpkcyp.supabase.co/storage/v1/object/public/robotics_assets/products/water-linked/dvl-a125/water-linked-dvl-a125-official-in-hand-16x9-1600x900-2026-08-22.jpg, compact_underwater_doppler_velocity_log, doppler_velocity_log, 1600, 900, 7ed7d27c64ec3d1a36c81316a6a08b3e3688fbf54c245f022755e7349c169cfe, reviewed_true_16x9_product_media, Underwater Doppler Velocity Log, robotics_assets, https://www.waterlinked.com/web/image/63349-240b4693/DVL-A125-features-size.png, 2026-08-22, confirmed_no_letterbox_pillarbox_or_added_strips, https://www.waterlinked.com/shop/dvl-a125-178, official_first_party_exact_product_photo, https://zlsbkmaixmmnjrgpkcyp.supabase.co/storage/v1/object/public/robotics_assets/products/water-linked/dvl-a125/water-linked-dvl-a125-official-in-hand-16x9-1600x900-2026-08-22.jpg, Official Water Linked DVL A125 in-hand scale photograph, cropped only at the top and bottom while retaining the full sensor, cable, hand and readable model label; no padding or extension., 2026-08-22, generic_product, products/water-linked/dvl-a125/water-linked-dvl-a125-official-in-hand-16x9-1600x900-2026-08-22.jpg, 2026-08-21, doppler_velocity_log, false, first_party_exact_...

Summary

Type: Underwater navigation component

Core: Compact Doppler velocity log

Function: Supplies underwater velocity measurements that stabilize navigation and positioning for subsea robots

Audience: AUV, ROV and subsea-system integrators

Specifications

beam
Four-beam convex Janus, 22.5° beam angle
dimensions
125 mm diameter × 30 mm height
interface
Ethernet and serial integration interfaces
maximum_bottom_track_altitude
125 m maximum bottom-track altitude m
maximum_operating_speed
9 m/s maximum bottom-track velocity m/s
minimum_operating_height
0.05 m minimum bottom-track altitude m
navigation_role
Bottom-track velocity and underwater positioning support
operating_frequency
420 kHz kHz
operating_temp
−5 to 55 °C °C
output_resolution
0.1 mm/s velocity resolution
ping_repetition_rate_hz
2–15 Hz output rate Hz
platforms
Designed for AUV and ROV integration
power_consumption_w
4 W average W
rated_depth
1,000 m or 4,000 m configuration m
sensor_type
Doppler velocity log for underwater navigation
supply_voltage_range
10–30 V DC V
weight_kg
750 g in air kg

Operations

Environment
underwater, subsea_operations, marine_robotics
Primary user
auv_integrators, rov_integrators, marine_robotics_developers, subsea_survey_teams
Role
underwater_navigation, auv_navigation, rov_navigation, velocity_estimation
Interaction model
sensor_integrated, real_time_navigation, underwater_positioning
Mobility class
embedded_underwater_component, subsea_navigation_sensor
Product detail
https://zlsbkmaixmmnjrgpkcyp.supabase.co/storage/v1/object/public/robotics_assets/products/water-linked/dvl-a125/water-linked-dvl-a125-official-in-hand-16x9-1600x900-2026-08-22.jpg, compact_underwater_doppler_velocity_log, doppler_velocity_log, 1600, 900, 7ed7d27c64ec3d1a36c81316a6a08b3e3688fbf54c245f022755e7349c169cfe, reviewed_true_16x9_product_media, Underwater Doppler Velocity Log, robotics_assets, https://www.waterlinked.com/web/image/63349-240b4693/DVL-A125-features-size.png, 2026-08-22...

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