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Table of Contents
Summary of Contents for RBR fermata
- Page 1 UNDERWATER BATTERY CANISTER GUIDE rbr-global.com...
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Page 2: Table Of Contents
Table of contents Overview..........................3 Specifications ........................5 Opening and closing the RBRfermata................7 General maintenance ....................10 Installing the batteries....................10 Replacing the O-rings....................12 Connectors ........................14 Repairs ........................15 Revision history......................16 RBR#RBR#0012398revE... -
Page 3: Overview
1 Overview RBR offers optional battery canisters which can extend deployment of any underwater instrument, including these options: • 14V or 28V variants • quick-release or low-profile handles 750m, 4000m, or 8000m depth rating • The RBRfermata automatically configures the internal arrangement of batteries regardless of cell voltage or chemistry, to provide the nominal output. - Page 4 The battery pack design accommodates 48 individual D-cells. An innovative battery carrousel facilitates simple, tool- free battery replacement. RBRfermata with quick-release handles, battery carousel pulled out RBR#RBR#0012398revE...
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Page 5: Specifications
~32kg in air, ~22kg in water With Ni-MH batteries ~29kg in air, ~18kg in water ~31kg in air, ~21kg in water With alkaline batteries 750m, 4000m, 8000m 750m, 4000m, 8000m Depth rating Operating temperature -5°C to 35°C -5°C to 35°C Battery carrousel pulled out RBR#RBR#0012398revE... - Page 6 Pin No. Ground Power Three MCBH-6-FS connectors RBR offers an option to retrofit legacy RBRfermata battery canisters with the new battery carrousel, quick- release handles, and new electronic hardware. To return your RBRfermata for retrofitting, please contact support team.
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Page 7: Opening And Closing The Rbrfermata
B. Push at the tabs from the top to release the end-cap battery end-cap. handles. C. Move the handles up from both sides. D. Firmly grip both battery end-cap handles and pull them up to remove the battery carrousel. RBR#RBR#0012398revE... - Page 8 A. Align the battery end-cap with the slots on the housing and gently push down to ensure it fits in place. There is only one way to insert the battery end-cap. If it does not latch, rotate the battery carrousel 180 degrees and try again. RBR#RBR#0012398revE...
- Page 9 B. Place both hands on the top of the end-cap handles and gently push them out, towards the opposite sides, until they click. 2. If you are using the model with low-profile handles: Place the battery end-cap on the housing and gently push down to ensure it fits in place. RBR#RBR#0012398revE...
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Page 10: General Maintenance
Alkaline and nickel metal hydride batteries When using alkaline or nickel metal hydride batteries, simply put them in the carrousel, ensuring correct polarity. These batteries are magnetic and hold in place with no additional steps required. RBRfermata with alkaline batteries installed RBR#RBR#0012398revE... - Page 11 Lithium batteries do not have enough magnetic material to hold them together in assembly. Use the red retention bands provided with your RBRfermata, as shown. Verify polarity before installing the batteries. Lithium batteries retained in assembly After installing the batteries, close your RBRfermata. RBR#RBR#0012398revE...
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Page 12: Replacing The O-Rings
The battery canister seal depends upon its O-ring, and proper O-ring maintenance is crucial. The O-ring may lose elasticity over time, even when the RBRfermata is not deployed. RBR strongly recommends replacing the O-ring regularly. Location of the O-ring... - Page 13 The main O-ring has a round profile. It must be installed first. The backup O-ring is flat on one side, and concave on the other. When installed, the concave side must face the main O- ring. Main O-ring Backup O-ring) Orientation of the O-rings RBR#RBR#0012398revE...
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Page 14: Connectors
4.3 Connectors Cable bend radius The smallest bend radius for RBR supplied cables is 15cm. Lubricating the connectors Lubrication improves watertight sealing, prevents corrosion, and reduces the force required to de-mate the connector. Use the silicone compound provided with your instrument. -
Page 15: Repairs
Please have the model and the serial number of the unit ready. Our support team will work to resolve the issue remotely. In some cases, you may have to return your RBRfermata to RBR for further servicing. ... -
Page 16: Revision History
Updated the Overview and Specifications sections. 31-July-2023 Added a warning to the Installing the batteries section. 16-July-2024 Updated the maximum depth rating to 8000m in the Overview and Specifications sections. Updated the image of batteries retained in assembly in the Installing the batteries section. RBR#RBR#0012398revE...
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