SEA-BIRD ELECTRONICS, INC.

1808 136th Place N.E., Bellevue, Washington 98005 USA

Phone: (425) 643 - 9866 Fax: (425) 643 - 9954 Internet: seabird@seabird.com

SENSOR SERIAL NUMBER = 0019 SBE 43

CALIBRATION DATE: 09-Jan-02w OXYGEN CALIBRATION DATA

COEFFICIENTS:

Soc = 0.3461 TCor = 0.0000

Boc = -0.0476 PCor = 1.350e-04

Voffset = -0.6112

BATH OX BATH TEMP BATH SAL INSTRUMENT INST OX RESIDUAL

ml/l (ITS-90 degsC) PSU VOLTS ml/l ml/l

1.31 25.00 0.03 1.332 1.31 -0.00

1.35 5.00 0.04 1.151 1.30 -0.05

2.16 25.00 0.03 1.762 2.17 0.01

2.20 5.00 0.04 1.439 2.19 -0.01

2.99 25.00 0.03 2.184 3.01 0.02

3.10 5.00 0.04 1.733 3.10 -0.00

4.73 25.00 0.03 3.049 4.74 0.01

4.91 5.00 0.04 2.326 4.93 0.02

6.33 25.00 0.03 3.839 6.31 -0.02

7.43 5.00 0.04 3.128 7.41 -0.02

Note: Calibrations and services performed on SBE 43 DO sensor

Replaced the electrolyte and oxygen membrane

Installed a new style DO plenum

Recalibrated the sensor