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 = 0020 SBE 43

CALIBRATION DATE: 01-May-03 OXYGEN CALIBRATION DATA

COEFFICIENTS:

Soc = 0.4630 TCor = 0.0010

Boc = 0.0000 PCor = 1.350e-04

Voffset = -0.5940

BATH OX BATH TEMP BATH SAL INSTRUMENT INST OX RESIDUAL

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

1.68 25.00 0.03 1.206 1.67 - 0.00

1.83 5.00 0.04 1.034 1.83 0.00

2.50 25.00 0.03 1.508 2.50 0.00

2.63 5.00 0.04 1.224 2.62 - 0.01

3.35 25.00 0.03 1.818 3.35 0.00

3.42 5.00 0.04 1.417 3.42 0.00

5.08 25.00 0.03 2.451 5.09 0.01

5.18 5.00 0.04 1.843 5.19 0.01

6.67 5.00 0.04 2.200 6.67 -0.00

6.88 25.00 0.03 3.103 6.87 -0.01

Note: Post calibrated the sensor . Backfilled the sensors pressure compensation bag with saline solution

Performed full diagnostic eval, there were no problems found.

Note: problem described by customer may have been caused by a bad cable.