NOBSKA Development Corporation

Industry Leader in 3D Acoustic Current Measurement

MAVS Acoustic Current Meters
MAVS-4

Direct reading 3 Axis Acoustic Current Measuring System (2000 or 6000 meters)

*Optional hard coat anodized aluminum housing
MAVS-4WTG

Direct reading 3 Axis Directional Wave and Tide Gauge System (2000 meters depth)

* Optional High accuracy pressure sensor available
MAVS-4MMP

Direct reading 3 Axis Acoustic current measuring system for McLane Moored Profiler
MAVS Software
MWAVES

MWAVES Software for Plotting Directional Wave Spectra

MAVS Options
Logging Memory, Batteries, Sensors and Equipment

LOGGING MEMORY AND BATTERIES:
Internal Logging Memory Compact Flash Interface Board:
PERCF8C Persistor Board
(Required)
Add Flash Memory:
PCF-SSCF1GBI Compact Flash Memory, 1 Gbyte
Note: Flash Memory Ocean Certified rated from -40 to +85 C

Battery for Moored, Internal Logging Operation.
Alkaline Battery Pack, 13.5 VDC, 4.8 Ah
Lithium Thionyl Chloride Battery 14.4 VDC, 8.8 Ah
Double Alkaline or Lithium Battery

SOFTWARE:
MWAVES Directional Wave and Tide Spectra Software for Windows
MAVSOFT Windows Software for Pre-deployment setup, Real Time
data collection and offload of logged data
MAVSPack unpacks binary data from Compact Flash Card
Crosscut.exe Terminal Emulation software for Menu operation

OPTIONAL SENSORS:
Additional sensors connected to MAVS-4 measuring system:

Temperature, standard, internal sensor
Temperature, fast response, external sensor
Integration or RBR High Accuracy External Temperature Probe
Integration or RBR High Accuracy External Conductivity Probe

Pressure:
Accuracy: 0.5% FS 12 bit measurement
Range (dBar): 10, 30, 40, 100, 300, 1500, 3000, 6000
Other ranges available upon request.

Accuracy: 0.1% FS 12 bit measurement
Range (dBar): 10, 30, 40, 100, 300, 1500, 3000, 6000
Other ranges available upon request.

Accuracy: 0.04% FS 12 bit measurement
Range (dBar): 10, 30, 40, 100, 300, 1500, 3000, 6000
Other ranges available upon request.

16 bit Measurement available upon request

Electrical Integration of turbidity sensor
Additional Analog input channel for another type sensor
4 channel Analog output option
Cable for Analog Output Option
Bent Sensor Option for Horizontal Mounting of MAVS
MMP Bent Sensor for McLane Moored Profiler

OTHER SPARES, OPTIONAL EQUIPMENT AND ACCESSORIES:

RS-485 Option (4 Wire) for inside MAVS
Connector with 1 meter cable
O’Ring Spares Kit
Mooring and/or hanging frame, stainless steel, 2,000 lbs. load
Mooring and/or hanging frame, stainless steel, and 10,000 lbs. load
Tripod Mount for bottom mounting of one MAVS

Deck Unit / Lab Unit:
Communication Module for PC (RS-232 or RS-485)
Includes 110/220 VAC - 12 VDC Power supply and DB-9 comms
connector for connection to PC COM port. Ideal for use in either
Direct Reading or pre-deployment setup and offloading of archived
from internal memory.
RS-485 Option (4 Wire) for inside Deck Unit
Underwater cable between Deck Unit and MAVS

Acoustic Transmissometer Option