Of instruments and apparatus of subheading 9032.81
Automatic regulating or controlling instruments and apparatus; parts and accessories thereof: > Parts and accessories: > Other > Of instruments and apparatus of subheading 9032.81
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 9032.90.61.60
PID Flow Regulator Sensor Assembly
Sensor assembly component for 9032.81 automatic flow control instruments, measuring and adjusting liquid/gas flow rates in chemical processing lines. Classified under 9032.90.61.60 as it is principally used with subheading 9032.81 apparatus for closed-loop regulation. Excludes general plumbing sensors per Chapter exclusions.
Level Control Probe Kit for Liquid Regulators
Replacement probe kit for 9032.81 automatic level controllers in storage tanks, using ultrasonic or capacitive sensing for precise fill regulation. Falls under 9032.90.61.60 as parts suitable principally with these automatic apparatus. Not for manual gauges.
Relay Output Board for Automatic Controllers
Solid-state relay board for 9032.81 regulators, handling high-current switching based on control logic for actuators. HTS 9032.90.61.60 as dedicated expansion for process control outputs. Not general-purpose relays.
Communication Interface Card for 9032.81 Regulators
Modbus/Profibus interface card plugging into 9032.81 controllers for SCADA integration and remote monitoring. Under 9032.90.61.60 as principal accessory enabling networked automatic control. Excludes PC expansion cards.
Calibration Adapter Kit for Process Regulators
Adapter set for bench calibration of 9032.81 automatic regulators, simulating inputs for accuracy verification. HTS 9032.90.61.60 as accessory suitable principally with these instruments. Not general test equipment.
Power Supply Module for Temperature Regulators
24VDC power supply module engineered for 9032.81 temperature controllers, with built-in fusing for process safety. Classified 9032.90.61.60 as it is principally compatible with these automatic units. Differs from universal PSUs.
Enclosure Mounting Kit for Control Regulators
IP65-rated mounting brackets and enclosure adapters for DIN-rail installation of 9032.81 regulators in harsh environments. Under 9032.90.61.60 as dedicated housing accessories for these instruments. Not general cabinets.
Temperature Controller Module for Industrial Ovens
This electronic module is a replacement part for automatic temperature regulators classified under 9032.81, used to precisely control heating elements in industrial baking ovens by maintaining set temperatures. It falls under HTS 9032.90.61.60 as a dedicated accessory for 9032.81 instruments, featuring sensors and PID algorithms for stable process control. Designed exclusively for integration into oven control systems, excluding general-purpose electronics.
Pressure Control Valve Actuator for 9032.81 Systems
Electromechanical actuator designed exclusively for pneumatic pressure regulators under 9032.81, enabling automatic adjustment based on sensor feedback. HTS 9032.90.61.60 applies as a principal accessory for these closed-loop controllers. Differentiated from standalone valves by integral control interface.
Digital Display Panel for Process Regulators
LCD display module replacement for 9032.81 automatic regulators, showing real-time variables like temperature/pressure with setpoint adjustment. Classified in 9032.90.61.60 due to exclusive design for these controllers' front panels. Excludes consumer monitors.