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Instruments and Equipment

​Acoustic Wave and Current Profile​r with Acoustic Surface Tracking (AWAC)
Identification​
​Name : Acoustic Wave and Current Profiler with Acoustic Surface Tracking (AWAC)
Brand : Nortek AS
Model L: 1.0 MHz & 600 kHz
Manufacturer : Nortek AS
Country of Origin : Norway
Owner : NAHRIM
Functionality
​Purpose
AWAC is used as a current profiler and a wave directional system in one unit and measures the current speed and direction in 1-m thick layers from the bottom to the surface as well as measures long waves, storm waves, short wind waves, or transient waves generated by local ship traffic.

Key Functional Specification
  • SystemAcoustic Frequency : 1.0 MHz & 600 kHz 
  • Acoustic Beams : 4 beams, one vertical, three slanted at 25º 
  • ​Operation modes: Stand alone
  • Current ProfileMaximum Range : 30 m (1MHz), 50m (600kHz)Depth cell size: 0.4 – 4.0 m (1MHz) 0.5 – 8.0 m (600kHz)
  • ​Wave measurementMaximum depth : 40 m (1MHz), 60 m (600 kHz)
  • Data types : Pressure, one velocity cell along each slanted beam, AST
  • Wave estimatesRange : -20 to +20mAccuracy/resolution 
  • (HS): <1% of measured value/1cmAccuracy/resolution (Dir) : 2º / 1º
  • Data RecordingCapacity (standard) : 152MB​
Download BrochureAcoustic Wave and Current Profiler with Acoustic Surface Tracking (AWAC).pdf
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Aquadopp Current Profiler
Identification​
​Name : Aquadopp Current Profiler
Brand : Nortek AS
Model L: 2.0 MHz Aquadopp Current Profiler
Manufacturer : Nortek AS
Country of Origin : Norway
Owner : NAHRIM
Functionality
​Purpose
Measures current profile in water using Doppler technology

Key Functional Specification
  • Acoustic Frequency - 2.0 MHz
  • Max profiling range - 4 – 10m
  • Cell size - 0.1 – 2m
  • Velocity range - ±10m/s
  • Accuracy - 1% of measured value ±0.5cm/s
Download BrochureAquadopp Current Profiler.pdf
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​Area Velocity Flow Module
Identification​
​Name : Area Velocity Flow Module
Brand : ISCO
Model L: 2150
Manufacturer : Teledyne Isco
Country of Origin : USA
Owner : NAHRIM
Functionality
​Purpose
For measures parameters of open channel flow streams

Key Functional Specification
Water level, velocity and flow rate​.
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​Multi-parameter Water Quality Monitoring Sensors MP Troll 9000 C/W Yellow Rugged Reader
Identification​
​Name : Multi-parameter Water Quality Monitoring Sensors MP Troll 9000 C/W Yellow Rugged Reader
Brand : In-Situ Inc
Model L: MP Troll 9000
Manufacturer : In-Situ Inc.
Country of Origin : United States
Owner : NAHRIM
Functionality
​Purpose
Used for simultaneous water quality monitoring

Key Functional Specification
  • Dissolved Oxygen (DO)
  • pH/ORP
  • Temperature
  • Conductivity
  • Barometric Pressure
  • Turbidity​
Download Brochure : Multi-parameter Water Quality Monitoring Sensors MP Troll 9000 CW Yellow Rugged Reader.pdf
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RoxAnn GD-X Ground Master 5" Echo Sounder
Identification​
​Name : RoxAnn GD-X Ground Master 5" Echo Sounder
Brand : Sonavision
Model L: Furuno LS-4100
Manufacturer : Sonavision Ltd
Country of Origin : UK
Owner : NAHRIM
Functionality
​Purpose
RoxAnn GD-X Ground Master Echo Sounder is widely used in seabed classification for underwater archaeology, fisheries habitat monitoring, sediment and pollution monitoring, estuary management, seagrass condition monitoring, riverbed civil engineering and sandbar monitoring.
Key Functional Specification
  • TX Frequency: 50 kHz or 200 kHz, 50/200 kHz dual transmitting selectable
  • Transmit method : Single or dual transmitting
  • Output power: 300Wms
  • TX Rate : Max 500pulse/min
  • Pulse Length: 0.1 to 0.8 ms
  • Display system : 5-inch monochrome LCD, 76 mm (W) x 100 mm (H), 240 x 320 dots
  • Display mode: Single frequency (high/low freq.), Dual-frequency, Zoom, Nav-1/2 Marker zoom, Bottom zoom, Bottom-lock
  • Display range : 2 – 500 m
  • Power supply: Display unit: 12VDC: 0.5A
  • Ambient temperature : Display unit: -15oC to +55oC
  • Relative humidity : 93% or less at 40oC
  • Waterproof : IPX5
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Small Current Meter
Identification​
​Name : Small Current Meter
Brand : OTT
Model L: C2
Manufacturer : Ott Messtechnik
Country of Origin : Germany
Functionality
​Purpose
For measures currents of open channel flow streams

Key Functional Specification

  • Velocity​

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National Hydraulic Research Institute of Malaysia (NAHRIM)
  1. Acoustic Wave and Current Profiler with Acoustic Surface Tracking (AWAC)​
  2. Aquadopp Current Profiler​
  3. Area Velocity Flow Module​
  4. Capricorn 2000EX Weather Station
  5. Multi-parameter Water Quality Monitoring Sensors MP Troll 9000 C/W Yellow Rugged Reader​
  6. Portable Area Velocity Submerged Pressure Flow Meter
  7. RoxAnn GD-X Ground Master 5" Echo Sounder
  8. Small Current Meter
  9. Telemetry SMS Telelogger (RTU) RW-18C
  10. Trimble®GeoExplorer®2005 Series handheld
  11. Water Level and DO Sensor


Other Organizations
  1. Bathy-1500 Dual Frequency Survey Echo Sounder
  2. Data Logger MDS Dipper II
  3. Data Logger MDS Dipper-TEC
  4. Data logger MDS-Dipper-T
  5. Data logger MDS-Floater II
  6. Field terminal SEBA-HDA
  7. H40 WAVE Probe System
  8. Hotwire Anemometer
  9. Multiparameter sensor MPS-D3
  10. Pressure sensor type DS22 / DST22
  11. Qualilog 16
  12. Qualilog 8