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Compass, Tilt (3D), Temperature and Depth Archival Tag
Small, long life archival magnetic tag measuring compass, tilt, temperature and depth. Multiple sensors in small sized tag.
For long term fish tagging studies, this is one of a kind tag due to its measuring capabilities, with a compass sensor in addition to tilt, temperature and depth logging.

Key features:

• Smallest compass magnetic archival tag on the market
• Various depth sensors, from shallow to deep sea
• Tag holding kit for external fish tagging
• User defined text on the housing

Product Details:

• This miniature compass archival tag measures and records earth’s magnetic field strength and tilt in three directions, giving the compass measurements. Additionally it measures depth (pressure) and temperature. The logger is only 46 mm in length and 15 mm in width.
• Designed as a fish archival tag for geolocation studies, longitude latitude estimates and migration route tracking of fish and marine animals. Enables scientists to gain valuable information on migration routes and behavioural patterns over a long period of time. The tag can be implanted or tagged externally.
• Wide selection of depth ranges, from shallow to deep ocean: Customers choose between depth calibration up to: 50 m, 100 m, 270 m, 800 m, 1500 m or 3000 m. The shallower the range the better the resolution and accuracy.
• Tag holder kit ensures easier and safer attachment. A tag holder kit is available for the tags, to make the tagging process easier and increase safety for the fish.
• User defined text on the housing for tag and release of animals into the wild. Tags can have a customized text on the housing, for recapture purposes.

Using the logger:

• Designed for ease of use throughout the research process, from setting up the logger, attaching it, to retrieving and analysing the data.
• Supported by SeaStar software and a Communication Box (purchased with the first order).
• Programming: Logger is placed into the Communication Box interface that connects with a USB cable to a PC. In the SeaStar software, the user sets the start time, start date and sampling interval before starting the logger in measurement mode. The logger synchronizes its internal clock with the date & time on the computer.
• Default programming: Logger measures compass, tilt, depth and temperature simultaneously. Optionally, Compass-Tilt and Temp-Depth can be uncoupled, set as primary and secondary parameter pairs with different sampling frequency.
• Sampling: Two modes for sampling, either at a single interval throughout the period or multiple intervals (up to seven different intervals and number of measurements for each interval).
• Memory and Battery: Software calculates when memory fills up based on interval settings. Battery life estimation is always reported upon connection with the logger. Due to low energy consumption circuitry design, battery life is long (actual lifetime depends on usage and sampling interval).
• Data retrieval: After recovering the logger, it is inserted into the communication box and the recorded data is uploaded to the software. Results are displayed both in graphic and tabular form and can be exported to other programs.

Specifications:

Sensors	Magn. field strength (3D), tilt (3D), temp, depth*
Size (Diameter x Length)	15mm x 46mm
Housing Material	Biocompatible alumina (Ceramic)
Weight (in Air/in Water)	19g/12g
Data Resolution	12 bits for temp/depth, 14 bits for magnetic field strength (compass) and tilt
Compass Resolution	1°
Compass Accuracy	+/-15° heading with tilt correction on compass, up to +/-45° from horizontal plane
Magnetic Field Strength Range	0 to 2 gauss
Magnetic Field Strength Resolution	100nT
Magnetic Field Strength Accuracy	+/-300nT
Tilt Range	+/-90° (180° span)
Tilt Resolution	0.05°
Tilt Accuracy	+/-3°
Temperature Range	-1°C to +40°C (30°F 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 Ranges	50m, 100m, 270m, 800m, 1500m, 3000m
Depth Resolution	0.03% of selected range
Depth Accuracy	+/-1% of selected range
Depth Response Time	Immediate
Memory Type	Non-volatile EEPROM
Memory Capacity	104,634 measurements**
Memory Capacity Bytes	392,379 bytes / temperature-pressure 3 bytes, compass (MFS)-tilt 12 bytes
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
Measurement Options (Primary/Secondary)	Temp/depth as primary, CompTilt as primary
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	3 years***
Replaceable Battery	No

• *Pressure & temperature sensors optional.
• **Divided between the number of sensors
• *** For sampling interval of 10 minutes; MFS-tilt, and temp-pressure recorded simultaneously.
• Warranty: 12 months.
• Specifications may change without notice.