AN AMPLIFIER WITH A DEDICATED FUNCTION THAT IS INCORPORATED INTO A SYSTEM USED FOR MEASURING BIO-PHYSIOLOGICAL SIGNALS OF PATIENTS, SUCH AS BRAIN, NERVES AND MUSCLES. THE AMPLIFIER IS PHYSICALLY SEPARATE FROM ITS DIAGNOSTIC MACHINE. FEATURES - 16 CHANNELS USER SELECTABLE DIFFERENTIAL AND/OR REFERENTIAL , SENSITIVITY, STEPS 13 ,LOW FILTER AND HIGH FILTER SETTINGS, NOTCH FILTER DIGITAL 50Hz OR 60Hz WITH ON/OFF REJECT FILTERS 2 USER SELECTABLE 'NOTCH LIKE' FILTERS THAT CAN SIGNIFICANTLY DECREASE THE AMPLITUDE OF UNWANTED NOISE FROM THE PHSIOLOGIC DATA BUILT-IN CALIBRATION 20Hz SINE WAVE

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING :- GENERAL INTERPRETATIVE RULES (GIR's): GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8543 ELECTRICAL MACHINES AND APPARATUS, HAVING INDIVIDUAL FUNCTIONS, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 854370 OTHER MACHINES AND APPARATUS CN CODE 85437090 OTHER THAN ELECTRIC FENCE ENERGISERS TARIC CODE 8543709030 AMPLIFIER, CONSISTING OF ACTIVE AND PASSIVE ELEMENTS MOUNTED ON A PRINTED CIRCUIT, CONTAINED IN A HOUSING ALSO CLASSIFIED IN ACCORDANCE WITH: CHAPTER 90 NOTE 2(a)