Subsea Datalogging Tensile Link
The Subsea Datalogging Tensile Link is a robust Tensile Link used for measuring tensile loads on subsea mooring lines, underwater deployments and other similar applications. Available in load ranges from 5 tonne up to 200 tonne the instrument measures and records the applied load using an internal data logger which was developed by DLM Electronic Engineers.
Fully sealed to withstand subsea environments the load cell is capable of being deployed in up to 3000m water depth for periods of up to 1 year. Manufactured from stainless steel or nickel plated steel (depending on customers’ requirements) the load cell is pressure tested and fully calibrated after manufacture to ensure reliability and accuracy to the highest degree.
The internal data logger inside the tensile link is self-powered and enables load readings to be recorded at a maximum rate of 1Hz for periods of up to 12 months depending on the sample rate. data logs can be accessed by using the supplied subsea cable which is connected to the subsea connector mounted to the side of the load cell in a protective shroud. stored as .CSV file format the logs are easily accessible using already existing PC software like Microsoft Excel, enabling easy data processing after de mobbing.
Features
- Subsea tensile link capable of operating in depths of up to 3000m
- Capable of recording up to 2 million load readings
- Long battery life
- PC interface to download data
Applications
- Monitoring loads on weather buoys
- Monitoring loads on subsea fixings
- Long term subsea deployments
Load Capacity (tonnes) |
Part Number | Dimensions | Accuracy % FRO |
Proof test % Load Capacity |
Resolution (kg) | |||||
A | ØB | ØC | D | E | F | |||||
1 | 0001 – 1194 | 215 | 82.5 | 28 | 24 | 145 | 86.5 | ±0.2 | 200 | 1 |
2 | 0001 – 1195 | 215 | 82.5 | 28 | 24 | 145 | 86.5 | ±0.2 | 200 | 1 |
5 | 0001 – 1196 | 215 | 82.5 | 28 | 28 | 145 | 86.5 | ±0.2 | 200 | 2 |
12 | 0001 – 1197 | 240 | 82.5 | 40 | 38 | 150 | 98 | ±0.2 | 200 | 10 |
20 | 0001 – 1198 | 320 | 82.5 | 53 | 48 | 190 | 108 | ±0.2 | 200 | 10 |
25 | 0001 – 1199 | 325 | 82.5 | 53 | 48 | 195 | 120 | ±0.2 | 200 | 10 |
40 | 0001 – 1200 | 410 | 102 | 74 | 50 | 242 | 150 | ±0.2 | 150 | 50 |
50 | 0001 – 1201 | 410 | 102 | 74 | 58 | 234 | 150 | ±0.2 | 150 | 50 |
100 | 0001 – 1202 | 485 | 107 | 99 | 70 | 275 | 180 | ±0.2 | 150 | 100 |
Specification
Link Material | Stainless steel or nickel plated steel |
Internal data logger | mV data logger to convert strain bridge output to SI units |
Memory space | Up to 2,000,000 samples |
Sample rate | 4 readings per second up to 1 reading every 24 hours |
Battery life | Depends on sample rate - 10 years at 15 minute reading rate |
Data logs | Stored internally as CSV fi les |
Connector | Subsea MCBH4-MP-SS connector |
Sealing | Piston and face o-ring sealed |
Operating Temperature | -40 to +80C |
Display Unit | Internal data logger which connects to PC to display data after use |
Cable | Cable not required for operation. Supplied with 5m MCBH to USB cable for downloading log data to PC |
Calibration | Supplied with calibration, proof load certificates to BS EN 10002/2 1992 and pressure test certificates |
Packaging | Packaged in custom built wooden case |