Starmon Tilt, rechargeable

Acceleration, tilt (3-D), temperature and depth logger

Durable, long life subsea acceleration and tilt data logger with rechargeable battery. Fast sampling and response.

For monitoring behaviour, movements and orientation of subsea gear, cables and underwater vehicles. Suitable for short-term fast sampling or long-term research on a single charge.

Fast sampling and response
Robust, durable and accurate
Long lasting rechargeable battery
Easy to attach to gear
Shallow to deep ocean

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Description
Using the logger
Specifications
Accessories

Description
Fast Sampling and Response

Starmon Tilt can record tilt-acceleration and depth in burst mode at up to 100 measurements per second (100 Hz) and for all sensors at up to 20 measurements per second (20 Hz). Different sampling intervals can be set up within the research period. The temperature sensor has a fast response of 2 seconds.

Application

The Starmon Tilt is applicable for both short and long-term research:
- Movements and orientation of fishing gear like trawls and dredges during surveys
- Pitch and roll of underwater robots and vehicles (AUV, ROV)
- Inclination monitoring of submersible acoustic receivers and mooring lines due to changes in wind and waves
- Analysing shape of geothermal wells or boreholes
- Vibration of subsea cables, recording bursts of acceleration data
Long Lasting Rechargeable Battery

Depending on interval setup, the rechargeable battery can last several years on a single charge. At an interval of 1 min it can last more than 5 years on a single charge. At 1 sec. interval a single charge lasts at least one month. The logger can be recharged 500 times before having to replace the battery. The software has an energy and memory calculator.

Easy to Attach to Gear

Starmon Tilt has an attachment hole through the end cap and two slots for strapping or fastening to subsea gear. For more flexible mounting, holder brackets fitting the slots with one or double plates are ideal for attaching on flat surface and give extra protection.

Viewing Measurements in Real-Time

The software offers a real-time view of measurements while the logger is connected to a computer. This feature is especially helpful to learn about the functionality of the three axis acceleration/tilt sensors when placed at different angles. When doing an online test the measurements can be viewed in real-time in a graph and table.

Shallow to Deep Ocean

The self-contained logger has a robust titanium housing that tolerates extreme conditions. Customers can choose from a range of depth sensor calibrations. Available depth ranges are: 0-50m, 100m, 200m, 500m, 1000m, 2000m, 4000m or 4500m.

Full Ocean Depth Housing Available

A customized housing is available for all ocean depth. This ultra high-pressure resistant titanium housing is without a pressure sensor, therefore only equipped with tilt-acceleration and temperature sensors.
Using the logger
Simple in Use, From Setup to Data Retrieval

The logger and the accompanying items are designed for ease of use throughout the research process, from setting up the recorder, attaching it, to retrieving and analysing the data. The logger is supported by the SeaStar software for Windows and a standard USB cable which are purchased with the first order. With these two accessories the user can set up the logger for measurements and then retrieve the results.

Setting up the Logger for Measurements

To launch the tilt logger for measuring, the end cap of the housing is unscrewed and a USB cable connects directly from the recorder to a computer. In the SeaStar software, the user sets the start time, start date and sampling interval before starting the recorder in measurement mode. The logger synchronizes its internal clock with the date & time on the computer being used.

Placement of the Logger

The logger can be placed horizontally or vertically on the gear. The three axes (X, Y, Z) have a tilt range of +/-90. If placed horizontally the the housing has reference lines that can be used for positioning in a central start-up position for pitch and roll showing around 0°C. The Seastar software offers online viewing of tilt measurements when connected to a computer, which can be helpful to understand more before deployment.

Memory and Battery Life Calculations

The software automatically calculates the battery consumption based on defined interval settings. This makes it easy for the user to decide on a suitable interval setup to fit the study. The date and time when memory fills for the defined interval setup is also displayed. For a chosen study length it is possible to have the software do memory and battery calculations.

Uploading the Data

After recovering the logger device, it is connected via the USB cable to the computer and the recorded data is uploaded to the software. The results are displayed both in graphic and tabular form and the data can be exported to other programs. The time-series data shows each measurement with its own time stamp.

Recharging the Battery

To charge the tilt logger for measuring, the end cap of the housing is unscrewed and a USB cable connects directly from the recorder to a computer. The diode next to the logger‘s USB connector illuminates yellow upon connection. The logger is fully charged when the yellow light is off.
After data retrieval the logger can be restarted or disconnected for later use. Battery life estimation is reported upon connection with the logger but a full recharge is recommended before another deployment. Due to the low energy consumption circuitry design, the battery life is long. However, the use of the logger on a single charge depends on the sampling interval setup.

Specifications

Sensors	3-D acceleration (3-D tilt), pressure (depth), temperature
Size (Diameter x Length)	40 mm x 236 mm
Housing Material	Titanium
Weight	In air: 761 g, in water: 500 g
Tilt Range	+/-90° for each of the axis X, Y and Z
Tilt Resolution	0.2° (inclination determination)
Tilt Accuracy	+/-3°
Acceleration Range	+/-3 g for each of the axis X, Y and Z
Acceleration Resolution	0.0025 g
Temperature Range	-2°C to +40°C (28°F to 104°F)
Extended Calibration Option	Up to 55°C (131°F)***
Temperature Resolution	0.002°C (0.004°F)
Temperature Accuracy	+/-0.025°C (+/-0.045°F)
Temperature Response Time	2 second time constant (63% of full value)
Standard Depth Ranges	50m, 100m, 200m, 500m, 1000m, 2000m, 4000m, 4500m. 11000m housing available, without a pressure sensor
Depth Resolution	0.005% of FS (Full Scale)
Depth Accuracy	Better than +/-0.3% FS
Depth Response Time	Immediate
Pressure Range	5 bar, 10 bar, 20 bar, 50 bar, 100 bar, 200 bar, 400 bar, 450 bar. 1100 bar housing available, without a pressure sensor
Pressure Tolerance	Depends on pressure sensor selected. 50m to 500m = 100% higher than full scale calibration. 1000m, 2000m, 4000m, 4500m = 50% higher. 11000m housing available, if no pressure sensor is present
Memory Type	FLASH
Memory Capacity	6.7 million measurements per sensor*
Measurement Interval	User specified in milliseconds, second(s), minute(s), or hour(s)
Fastest Measurement Interval	100 Hz, 100 recordings of tilt-acceleration and depth within a second (only one temperature measurement is recorded at the beginning of a measurement sequence)
Burst Measuring Option	All parameters simultaneously: 5Hz, 10Hz, 20 Hz. Tilt-Acceleration and depth: 50Hz, or 100Hz
Multiple Intervals Option	Up to 7 different intervals
Data Retention	20 years
Clock	Real time clock. Accuracy +/-1 min/month.
Communications	USB 2.0 cable, connects between data logger and a computer
Attachment Hole	6 mm, Plus two slots for strapping the logger, each 12 mm wide and 0.8 mm deep.
Computer Interface	USB 2.0 cable, for computer connection
Battery Life	7 years on a single charge**
Replaceable Battery	Yes, with the use of soldering iron. Battery is rechargeable
Application Software	SeaStar for Windows

* If only recording tilt-acceleration the memory capacity is 8.3 million measurements.
** For sampling interval of 1 min. 10 sec. interval = 2 years. Faster than 10 sec. interval fills memory before draining the battery.
***Res 3m°C, Acc 65m°C
Number of full charges: 500 times.
Warranty: 12 months.
Specifications may change without notice.

Accessories
USB Cable

To connect to the data logger a standard USB cable is needed. The USB cable is purchased with the first order. The cable connects between the recorder and a computer.

SeaStar Software

The SeaStar software for Windows is needed to operate the logger. Data is displayed in a graph and table. The time series data file can be opened in other programs. An installation product key is provided when ordering the software, for online downloading. All updates are free of charge.

Plate holders

When attaching the data logger to a flat surface on a subsea equipment a set of bracket holders are available, with single or double plates. The brackets secure a stable position of the sensor, increasing tilt measurement reliability.

Patternfinder Analysis Software

PatternFinder is a graphic data analysis software designed to save the users resources by making data analysis more efficient and easier. Data from the tilt logger can be viewed as a 3D image for better viewing the orientation. Patternfinder allows users to do periodic statistic analysis of time series data, signal filtering and operations, overlaying and analyzing multiple signals and event and pattern analysis. Retrieved data can be transferred from SeaStar over to PatternFinder with one button click.

Starmon Tilt, rechargeable

Acceleration, tilt (3-D), temperature and depth logger

Durable, long life subsea acceleration and tilt data logger with rechargeable battery. Fast sampling and response.

For monitoring behaviour, movements and orientation of subsea gear, cables and underwater vehicles. Suitable for short-term fast sampling or long-term research on a single charge.

Key features

Fast Sampling and Response

Application

Long Lasting Rechargeable Battery

Easy to Attach to Gear

Viewing Measurements in Real-Time

Shallow to Deep Ocean

Full Ocean Depth Housing Available

Simple in Use, From Setup to Data Retrieval

Setting up the Logger for Measurements

Placement of the Logger

Memory and Battery Life Calculations

Uploading the Data

Recharging the Battery

USB Cable

SeaStar Software

Plate holders

Patternfinder Analysis Software

Book a Virtual Meeting

Starmon Tilt, rechargeable

Acceleration, tilt (3-D), temperature and depth logger

Durable, long life subsea acceleration and tilt data logger with rechargeable battery. Fast sampling and response.

For monitoring behaviour, movements and orientation of subsea gear, cables and underwater vehicles. Suitable for short-term fast sampling or long-term research on a single charge.

Key features

Fast Sampling and Response

Application

Long Lasting Rechargeable Battery

Easy to Attach to Gear

Viewing Measurements in Real-Time

Shallow to Deep Ocean

Full Ocean Depth Housing Available

Simple in Use, From Setup to Data Retrieval

Setting up the Logger for Measurements

Placement of the Logger

Memory and Battery Life Calculations

Uploading the Data

Recharging the Battery

USB Cable

SeaStar Software

Plate holders

Patternfinder Analysis Software

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