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Automatic regulating or controlling instruments and apparatus; parts and accessories thereof: > Parts and accessories: > Other > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9032.90.61.80
PID Controller Display Panel Replacement Kit
LCD display panel with touchscreen overlay and mounting frame for PID (proportional-integral-derivative) automatic controllers under HTS 9032. Enables setpoint adjustment and status monitoring in temperature/pressure loops. Principal accessory per chapter classification rules.
Level Sensing Probe for Liquid Level Controllers
Capacitive level sensing probe with Teflon coating for immersion in corrosive liquids, dedicated to automatic level regulators (HTS 9032). Provides continuous measurement for pump control. Chapter note 2(b) principal use classification.
Temperature Control Relay Output Module
Solid-state relay module with heat sink for high-current switching in automatic temperature control systems (HTS 9032). Handles loads from PID controllers. Electronic accessory principally for chapter apparatus.
Mounting Bracket Kit for Process Controllers
DIN-rail mounting bracket set with vibration dampening for industrial automatic process controllers (HTS 9032). Ensures stable installation in control panels. Mechanical accessory under parts classification.
Sensor Calibration Adapter for Control Systems
Precision adapter with reference resistors for field calibration of sensors in automatic regulating systems (HTS 9032). Maintains accuracy in control loops. Calibration accessory classification.
Control Cabinet Cooling Fan Assembly
Thermostatically controlled fan unit designed exclusively for cooling automatic regulator cabinets (HTS 9032). Prevents overheating during continuous operation. Environment control accessory.
Thermocouple Sensor Assembly for Temperature Controllers
This assembly includes a K-type thermocouple probe with mounting hardware designed specifically for use in automatic temperature controllers under HTS 9032. It senses temperature variations and feeds data to maintain set values in industrial ovens. Classified as a part suitable principally for 9032 apparatus per chapter note 2(b).
Pressure Transducer Module for Process Control Systems
A piezoelectric pressure transducer module with signal conditioning electronics for integration into automatic pressure regulators (HTS 9032). It measures fluid pressure in real-time to enable closed-loop control in pipelines. Fits chapter note 2(b) as principally for 9032 control instruments.
Flow Control Valve Positioner Actuator
Pneumatic actuator with feedback potentiometer for positioning control valves in automatic flow regulators (HTS 9032). Maintains flow rates by responding to controller signals. Designed solely for 9032-type apparatus.
Digital Signal Processor Card for Regulators
DSP daughterboard with ADC converters for advanced automatic regulators processing multiple sensor inputs (HTS 9032). Enables complex control algorithms. Fits parts rule 2(a) for chapter electronics.