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WTG/S4A Specifications


Sensor Type: Silicon semi-conductor strain gauge. Solid state, no moving parts, temperature compensated.
Measurement Range: 70 meters for tide with wave*
200 meters for tide-only
Installation Depth: 0-200 meters (*Recommended installation depth for wave measurements is 30m or less) on sea bottom, mounted on a structure or attached to a mooring. Other depth ranges are available.
Resolution: 4 mm
Precision: 0.1% (depth)
Time Keeping  
   Type: Temperature Stable, Quartz Oscillator
   Power: Non-restricted lithium battery (5 year life)
   Setting: Factory set to GMT (may be reset using a terminal).
   Accuracy: 12 minutes/year
Control  
   Type: EPROM controlled Microprocessor
   Format: Average, burst, adaptive, combination: externally programmable and/or default preset average.
Memory  
   Type: Compact Flash
   Capacity: 64 Megabytes
(256MB, 512MB optional)
Housing Material: Sphere, glass-filled cycloaliphatic epoxy
Mooring Rod, titanium 6 AL-4V
Weight: Air, 11 kg (24 lb): Water 1.5 kg (4 lb.)
Dimensions: 25 cm (10 in.) diameter
Power
  Internal: 9 VDC (Alkaline D Cells)
11.5 VDC (Lithium D Cells)
  External: 9-12 VDC unregulated, 40 mA maximum (w/o options)
Output Parameters: Depth
Standard Options: Conductivity, Temperature, Turbidity, OBS
For additional information, go to the S4 Current Meter Page


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InterOcean systems, inc.
4241 Ponderosa Avenue, San Diego, CA 92123
Phone: (858) 565-8400 Fax: (858) 268-9695
email: sales@interoceansystems.com