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SBE 4M Moored Conductivity Sensor
Configuration Details

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Brochure/specifications

Note: We do not publish prices on the website. Please contact us [seabird@seabird.com or (+1) 425-643-9866] for pricing.

Part # Description Notes
4M MOORED CONDUCTIVITY SENSOR - - modular sensor (square wave output & isolated electronics), range 0 - 7 S/m. Includes complete documentation. Specify: housing (depth rating) selection.


Aluminum housing shown
SBE 4M is shipped with Tygon tubing looped end-to-end around conductivity cell, to prevent dust & dirt from entering cell. SBE 4M is shipped dry to prevent conductivity cell damage from freezing.

See SBE 4C for conductivity sensor with a Quick disconnect feature, intended for easy attachment to plumbing in SBE 9plus, 25, or 25plus CTD.
SBE 4M Housing (depth rating) Selections -- MUST SELECT ONE
4M-1 Aluminum housing, 3400 m depth rating

 
4M-3 Titanium housing, 10,500 m depth rating
SBE 4M Wet-Pluggable Connector Option
4M-4 Wet-pluggable (MCBH) connector instead of Standard (XSG) connector  
Wet-pluggable connectors may be mated in wet conditions. Their pins do not need to be dried before mating. By design, water on connector pins is forced out as connector is mated. However, they must not be mated or un-mated while submerged. Wet-pluggable connectors have a non-conducting guide pin to assist pin alignment & require less force to mate, making them easier to mate reliably under dark or cold conditions, compared to our standard (Impulse XSG/RMG) connectors. Like standard connectors, wet-pluggables need proper lubrication & require care during use to avoid trapping water in sockets.
SBE 4M Spares & Accessories
50315 Anti-foul holder kit - installs on SBE 4, & SeaCATs (not SeaCATplus) to allow use of AF24173 in place of obsolete 24012 Anti-Foulant Devices. Order AF24173 separately.

50315 --
slide Tygon on end of conductivity cell
50315 provides fittings (2) to hold AF24173 Anti-Foulant Devices at each end of conductivity cell. See Application Note 70: Installing Anti-Foulant Device Mount Kit on SBE 4, 16, 19, and 21 Conductivity Cells.
  • SBE 4Ms shipped with optional Anti-Foulant Devices for moored applications before 2002 used a smaller anti-foulant device inside Tygon tubing that attached to end of conductivity cell, & did not include 50315. For those SBE 4Ms, order 50315 & 801542 first time you need new Anti-Foulant Devices. Once you have 50315, order 801542 AF24173 Anti-Foulant Devices as needed.
  • SBE 4Ms shipped with optional Anti-Foulant Devices for moored applications after 2002 include 50315 installed on SBE 4M. Order 801542 AF24173 Anti-Foulant Devices as needed.
801542 AF24173 Anti-Foulant Device pair (spare, bagged, labeled for shipping)
50286 SBE 4 mounting bracket for SBE 26/26plus/53 SBE 4M can be used to provide optional conductivity for SBE 26 / 26plus Wave & Tide Recorder or SBE 53 BPR Bottom Pressure Recorder. PN 50286 mounts SBE 4M on 26 / 26plus / 53. PN 17695 provides interface if instruments have standard connectors; PN 171752 provides interface if instruments have wet-pluggable connectors.
  • SBE 4M, mounting bracket, & interface cable are included with 26plus if 26plus is ordered with option 26p-3c.
  • SBE 4M, mounting bracket, & interface cable are included with SBE 53 if SBE 53 is ordered with option 53-3a.
17695 SBE 4 to SBE 26/26plus/53 interface cable (RMG-3FS to RMG-3FS), 0.3 m (DN 30566)
171752 SBE 4 to SBE 26/26plus/53 interface cable, Wet-pluggable (MCIL-3FS to MCIL-3FS), 0.3 m (DN 32671)

 

Product configuration options listing for all products

Additional cables, mount kits, and spares may be found at: Cables, Mount kits for Sea-Bird sensors, Mount kits for Third Party sensors, Spare parts

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