SBE 37-SMP MicroCAT CT(D)Click to zoom

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Observatory reference: E2-M3A[2013-****], OBSEA[2009-****], LION, FRAM[2013-****], ESTOC, DYFAMED

The SBE 37-SMP pumped MicroCAT is a high-accuracy conductivity and temperature (pressure optional) recorder with Serial interface (RS-232 or RS-485), internal batteries, Memory, and integral Pump. The MicroCAT is designed for moorings or other long-duration, fixed-site deployments.

Data is recorded in memory and can be output in real-time. Measured data and derived variables (salinity, sound velocity) are output in engineering units.

Memory capacity exceeds 530,000 samples. Battery endurance varies, depending on sampling scheme. Sampling every 2-1/2 minutes, the MicroCAT can be deployed for 2 years (425,000 samples).


Sea-Bird Electronics, Inc.
Sea-Bird Electronics, Inc.

1808 136th Place NE
98005 Washington Bellevue

(+1) 425-643-9866

(+1) 425-643-9954

Technical specifications

Depth rangePlastic: 350 m, Titanium: 7000 m
Max. pressure7000 m
Housing materialPlastic or Titanium
Power supplyInternal and external battery
Power consumption8 Mb (425,000 samples CTD)
WeightPlastic: 3.4 kg air, 1.6 kg water; Titanium: 3.7 kg air, 2.2 kg water
Size138.9x66.3x607.3 mm
Memory8 Mb (530,000 samples CTD)
Sampling rates6 sec to 6 hour intervals, or continuous: 1.9 - 2.9 s/sample
CommunicationsRS232 or RS485
Download speed-
Conductivity range0 to 7 S/m
Conductivity accuracy± 0.0003 S/m
Temperature range-5 to 45 °C
Temperature accuracy± 0.002 °C
Depth accuracy-

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