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 = 1489 TEMPERATURE CALIBRATION DATA

CALIBRATION DATE: 07-Aug-99s ITS-90 TEMPERATURE SCALE

ITS-90 COEFFICIENTS IPTS-68 COEFFICIENTS

g = 4.82921444e-03 a = 3.6814642le-03

h = 6.74814562e-04 b = 6.00696179e-04

i = 2.62594627e-05 c = 1.48040496e-05

j = 2.11498279e-06 d = 2.11641316e-06

fo = 1000.000 fo = 6108.699

BATH TEMP INSTRUMENT FREQ INST TEMP RESIDUAL

(ITS-90 degsC) (Hz) (ITS-90 degsC) (ITS-90 degsC)

-1.5186 6108.699 -1.5186 -0.00001

1.0427 6469.235 1.0427 0.00001

4. t6169 6997.597 4.6170 0.00003

8.1238 7545.321 8.1239 0.00000

11.6277 8122.323 11.6276 -0.00002

15.1881 8739.873 15.1880 -0.00006

18.6518 9371.585 18.6518 0.00005

22.1531 10041.808 22.1531 0.00004

25.6808 10749.934 25.6808 -0.00001

29.1521 11479.562 29.1521 -0.00003

32.6268 12243.101 32.6268 0.00001