A SIX-INCH-DIAMETER MOUNTING BASE FOR SMOKE OR HEAT DETECTORS. THE PRODUCT COMPRISES A CIRCULAR POLYCARBONATE PLASTIC BASE CONTAINING METAL TERMINALS, FASTENERS & SCREWS. THE BASE DOES NOT INCORPORATE AN INTEGRAL SOUNDER OR RECORDING DEVICE.

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 9027 INSTRUMENTS AND APPARATUS FOR PHYSICAL OR CHEMICAL ANALYSIS (FOR EXAMPLE, POLARIMETERS, REFRACTOMETERS, SPECTROMETERS, GAS OR SMOKE ANALYSIS APPARATUS); INSTRUMENTS AND APPARATUS FOR MEASURING OR CHECKING VISCOSITY, POROSITY, EXPANSION, SURFACE TENSION OR THE LIKE; INSTRUMENTS AND APPARATUS FOR MEASURING OR CHECKING QUANTITIES OF HEAT, SOUND OR LIGHT (INCLUDING EXPOSURE METERS); MICROTOMES. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 902790 MICROTOMES; PARTS AND ACCESSORIES. ALSO CLASSIFIED IN ACCORDANCE WITH: CHAPTER 90 - NOTE 2 (B). HARMONISED SYSTEM EXPLANATORY NOTES (HSEN) TO CHAPTER 90 - GENERAL NOTE (III) (1). HSEN TO 902790 - PARTS AND ACCESSORIES.