InterOcean systems inc. - CTD/S4 Specifications


Controller
Type:	CMOS Microprocessor
Timekeeping:	Quartz oscillator, 12 minutes per year accuracy, non-restricted LIthium battery, five years life.
Memory:	CMOS Static RAM (with 5 year battery backup) or non-volatile Flash RAM; 64K Bytes standard (256K, 512K, 1M, or 20M Bytes optional), with capacity of 3 million C, T, and D data samples with 20M memory.
Mechanical
Size:	25 cm (10 in) diameter sphere
Weight:	11 kg (24 lbs) in air, 1.5 kg (4 lbs) in water
Material:	Fiberglass reinforced cycloaliphalic epoxy resin; Titanium; 316 SS
Operating Temperature:	-5 to + 45 deg. C
Storage Temperature:	-40 to + 70 deg. C
Operating Depth:	1,000 m (6,000 m optional)
Power Supply
Internal:	Six "D" cell Alkaline or Lithium batteries
External:	9 to 12 VDC, 90 mA max (with all options)

Standard Sensors
Conductivity
Type:	Inductive
Range:	1.0 to 70 mS
Resolution:	0.005 mS
Precision:	+/- 0.02mS
Time Constant:	< 0.06 sec.
Temperature
Type:	Platinum
Range:	-5 to + 45 deg. C
Resolution:	0.003 deg. C
Precision:	+/- 0.02 deg. C
Time Constant:	< 0.06 sec.
Depth
Type:	Semiconductor
Range:	0-1000 dBar (70 M Optional)
Resolution:	0.06 dBar (4 mm with 70 M)
Precision:	+/- 0.15 % full scale
Time Constant:	< 0.06 sec.

Calculated Parameters: Salinity, Density, Sound Velocity

InterOcean systems, inc.

4241 Ponderosa Avenue, Suite A, San Diego, CA 92123-6501 Phone: (858) 565-8400 Fax: (858) 268-9695
email: sales@interoceansystems.com