DIGITAL OCEANOGRAPHIC THERMOMETER.TEMPERATURE IS DETERMINED BY APPLYING AN AC EXCITATION TO REFERENCE RESISTANCES AND AN ULTRASTABLE AGED THERMISTER. THE RESULTING OUTPUTS ARE DIGITISED BY A 24 BIT AD CONVERTER.THE THERMOMETER REQUIRES 8-15 ADC INPUT POWER AND HAS AN RS-232C STANDARD INTERFACE.

GIR1 TERMS OF HEADING 9025 INCLUDES THERMOMETERS. GIR6 TERMS OF ONE DASH SUBHEADING-THERMOMETERS AND PYROMETERS NOT COMBINED WITH OTHER INSTRUMENTS: TERMS OF TWO DASH SUBHEADING 902519 OTHER THAN LIQUID FILLED, FOR DIRECT READING. CN CODE 90251920 ELECTRONIC.