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 - 8 CHANNELS WITH ELECTRODE SWITCHING 2 OR 4 WITHOUT ELECTRODE SWITCHING , SENSITIVITY, STEPS 13 COMMON MODE REJECTION RATIO> 110db(316,227:1) AT 50 TO 60Hz >100dB (100,000:1) AT 10 kHz WITHOUT ELECTRODE SWITCHING TEMPERATURE METER WITHOUT SWITCHING, BUILT-IN TEMPERATURE METER WITH OPTIONAL TEMPERATURE PROBE WITH STIMULUS ARTIFACT SUPPRESSION

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)