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

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Observatory reference: PAP[2013-****], E1-M3A[2014-****]

The SBE 37-IMP pumped MicroCAT is a high-accuracy conductivity and temperature (pressure optional) recorder with integrated Inductive Modem (IM) interface, internal batteries, memory, and integral Pump. The MicroCAT is designed for long-duration deployments on moorings.

Data is recorded in memory and can be transmitted when polled through inductive modem telemetry. Measured data are output in engineering units.

Memory capacity exceeds 530,000 samples. Battery endurance varies, depending on sampling scheme. Sampling every 3 minutes, the MicroCAT can be deployed for 2 years (380,000 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 battery (7.8 Amp-hour)
Power consumption380 000 samples CTD
WeightPlastic: 3.6 kg air, 1.7 kg water
Size144.3x66.3x564.4 mm
Memory8 Mb (530 000 samples CTD)
Sampling rates6 sec to 6 hour intervals, 1.9 - 2.6 sec/sample
CommunicationsInductive modem
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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