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Star-Oddi

Salinity, Conductivity, Temperature and Depth Logger (Low Range, 5 to to 1200 meters)

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Product code: DST-CTD-0.1-6-5-1200

Backorder Now, once ordered your item will dispatch before the 16th of May 2025, call 1300 737 871 (NZ 0800 737 871 to confirm).

This small autonomous salinity probe DST CTD measures and records conductivity, temperature and pressure. In addition to the three measured parameters the software calculates and displays salinity values and velocity in graphical and tabular form upon data conversion.

-Low conductivity range of 0.1-6 mS/cm and salinity range 

-Depth range: 5 to 1200 meters.

-Only 50 mm in length and 15 in width: Can easily be mounted to scuba gear, nets or other equipment. 

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$2,909.40 AUD + GST
 $3,200.34 AUD Inc. GST
Note: A set of Communication Box and SeaStar software needs to be purchased with the first order.
This small autonomous salinity probe DST CTD measures and records conductivity, temperature and pressure. In addition to the three measured parameters the software calculates and displays salinity values and velocity in graphical and tabular form upon data conversion. It is only 50 mm in length and 15 in width. Due to its small size it is easy to mount it on various gear and nets.
Low conductivity range
This version of the DST-CTD can capture conductivity from 0.1 to 6 mS/cm
Long battery life - up to 5 years
Measuring at 10 minute interval, the logger can last up to 5 years.
Seastar
The DST CTD is supported by the SeaStar software and the Communication Box which serves as an interface between the logger and a PC. Communication between the logger and the Communication Box is wireless.
In SeaStar, the user sets the start time, start date and sampling interval before starting the recorder. Up to seven different intervals can be set for the same measurement sequence. This is especially useful when more frequent measurements are needed at a certain time period. One interval for the whole measurement sequence is more commonly used though.
After recovering the DST data logger, recorded data is uploaded to SeaStar where results are displayed both in graphic and tabular form. After retrieving the data, the logger can be re-programmed and reused as long as the battery lasts.

Specifications

- Sensors: Conductivity (salinity), temperature, pressure (depth)
- Size (Diameter x Length): 15 mm x 50 mm
- Housing Material: Alumina (Ceramic)
- Weight (in Air/in Water): 21g/13g
- Data Resolution: 12 bits
- Conductivity Range: 0.1 to 6 mS/cm
- Conductivity Resolution: 0.003 mS/cm
- Conductivity Accuracy: +/-0.15 mS/cm
- Salinity Range: Depends on conductivity and temperature range (consult with Star-Oddi)
- Salinity Resolution: 0.0005 PSU (Based on conductivity full scale accuracy at 24 C)
- Salinity Accuracy: +/-0.1 PSU (Based on conductivity full scale accuracy at 24 C)
- Temperature Range: -1 to +40 C (30 to 104 F)
- Temperature Resolution: 0.032 C (0.058 F)
- Temperature Accuracy: +/-0.1 C (0.18 F)
- Temperature Response Time Time constant (63%) reached in 20 sec.
- Standard Depth Range: 5m-1200m
- Depth Resolution: 0.03% of selected range
- Depth Accuracy: +/-0.6% of selected range
- Depth Response: Time Immediate
- Memory Type: Non-volatile EEPROM
- Memory Capacity: 87,217 measurements per sensor
- Memory Management: Custom programming
- Measurement Interval: User specified in second(s) minute(s), or hour(s)
- Minimum Measurement: Interval 1 second
- Multiple Intervals Option: Up to 7 different intervals
- Data Retention: 25 years
- Clock: Real time clock. Accuracy +/-1 min/month.
- Communications Communication Box, wireless transmission when DST sits in the box. Connection to PC: USB cable.
- Attachment Hole 0.9 mm (diameter)
- Battery Life 5 years (For sampling interval of 10 minutes.)
- Replaceable Battery No

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