SBE 39 Temperature (Pressure optional) Recorder
Configuration Details

Photos of standard shipment.

Also see:

• SBE 56 for low-cost temperature recorder with USB interface.
• SBE 39-IM for version with Inductive Modem interface in place of RS-232 interface.
• SBE 37-SM and 37-SMP MicroCATs for CTDs with serial interface.
• SBE 16plus V2 SeaCAT for CTD with serial interface and auxiliary sensor input capability.

• 39-1g & -1c have internal connector; instrument setup & data upload require opening housing by unscrewing end cap. 801413 cable is included with these options.
• 39-1h & -1d have standard (Impulse XSG) external connector, allowing instrument setup & data upload without opening housing. Cable is not included with these options; order cable separately (see SBE 39 Accessories below).
• 39-1i & -1f have wet-pluggable (MCBH) external connector, allowing instrument setup & data upload without opening housing. Cable is not included with these options; order cable separately (see SBE 39 Accessories below).
  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.

Impulse XSG connector

Wet-pluggable connector (MCBH)

Pressure sensor is installed in end cap, & is not field replaceable / swappable. While highest pressure rating gives you most flexibility in using 39, it is at expense of accuracy & resolution. It is advantageous to use lowest range pressure sensor compatible with your intended maximum operating depth, because accuracy & resolution are proportional to pressure sensor's full scale range. For example, comparing 2000 & 7000 m sensors --

• 2000 m sensor:
  initial accuracy = 2 m (= 0.1% * 2000 m),
  resolution = 0.04 m (= 0.002% * 2000 m)
• 7000 m sensor:
  initial accuracy = 7 m (= 0.1% * 7000 m),
  resolution = 0.14 m (= 0.002% * 7000 m)

SBE 39 shown with option 39-1c (10,500 m titanium housing, internal I/O connector) & 39-2b (External thermistor, in pressure protected sheath), as well as 1 mounting clamp.

Net fender retains 1/2 of mooring clamp. All hardware is captured within, guaranteeing no loss of nuts or bolts during deployment. Attach SBE 39 to mooring cable in 2 steps:

1. Place net fender & attached clamp against mooring line. Push SBE 39 into clamp guides.
2. Holding SBE 39 & net fender with 1 hand, tighten clamp bolts with a driver in free hand.

• 60032 is for older SBE 39s, with serial numbers below 3000 (see document 67028)
• 60042 is for current SBE 39s, with serial numbers above 3000 (see document 67159)

Note: Case holds only 4 SBE 39s with external connectors (photo shows 6 SBE 39s with internal connectors)

• Injection molded case with HPX resin plastic body, automatic pressure equalization valve, hinged push-button latches, fold-down padded handle, & O-ring seal. Meets airline luggage regulations.
• Inner dimensions:
  20 x 14 x 7.7 inches (51 x 36 x 20 cm).
• Outer dimensions:
  21.2 x 16 x 8.3 inches (54 x 41 x 21 cm).

SBE 39 in net fender does not fit in Storm shipping case.