Section XVIII — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof
Heading
9032
Automatic regulating or controlling instruments and apparatus.
Common commodities
Automatic temperature controller for heating systemsPressure regulator for water supply linesElectronic voltage regulator for power distributionDraft regulator for industrial ventilationLevel controller for liquid storage tanksHVAC thermostat with automated adjustmentAutomatic pressure control valve for gas systemsTemperature-compensated flow regulator for liquidsElectronic level gauge with automatic correctionDigital pressure controller for industrial applications