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Seafloor Reference Pressure Recorder

TG-11

Stand-alone seafloor reference pressure recorder (tide gauge) with internal battery and memory.

TG-11 tide gauge with acoustic modem for real-time communication during a survey.

TG-11 system features and specifications

System features

Paroscientific Digiquartz pressure sensor
Internal control and recording electronics
Internal memory
Internal battery
Option for acoustic modem, for data download during a survey

Benefits over other commercially available systems

High-precision quartz sensors have shown best performance
Small physical size eases the operations of deployment and recovery

Specifications

Unit height 359 mm
Unit diameter 76.3 mm
Frame height 500 mm
Base plate diameter 450 mm
Weight of unit in air 2.9 kg
Weight including frame in air 12.6 kg
Weight including frame in water 9.4 kg
Weight including frame and acoustic modem in air ca. 24 kg
Weight including frame and acoustic modem in water ca. 15 kg
Depth rating of unit is 2600 m
Pressure sensor type Paroscientific Digiquartz
Depth rating of sensor 680m, 1370, 2060 m or 2750 m
Sampling interval 10 – 100 s
Integration length 10 – 100 s
Memory capacity 2 GB, 500+ years at 100 s
Battery life 3 months for alkaline 2 years for lithium

Seafloor Reference Pressure Recorder

TG-11

TG-11 system features and specifications

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