Programmable Humidity Regulator for Greenhouse
A controller that senses relative humidity via sensors and automatically activates humidifiers or dehumidifiers to hold setpoint levels in agricultural environments. HTS 9032.89.60.85 applies to such automatic apparatus for regulating non-electrical variables like moisture content against fluctuations. It features PID control for stability.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If industrial food processing humidity units without feedback control
Non-automatic environmental control machines classify as unlisted under Chapter 84.
If for automatic electric regulators of humidity
Subheading splits by electrical vs non-electrical control mechanisms.
If sold as set with mechanical hygrometer without electronics
Non-automatic humidity indicators of paper classify by material per exclusions.
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Import Tips & Compliance
• Include agricultural end-use declarations to qualify for potential duty relief programs
• Document sensor accuracy and response time to validate automatic function
• Avoid reclassification as HVAC parts (8415) by highlighting dedicated regulation
Related Products under HTS 9032.89.60.85
Batch Weighing Controller for Food Processing
Digital controller that automatically dispenses ingredients by weight, stopping at precise batch totals in mixers for consistent food production. HTS 9032.89.60.85 covers other automatic regulators though primarily for flow/level/pressure; extends to weight-based via note 5. Stabilizes against ingredient variations.
Vibration Monitoring Regulator for Machinery
System that measures equipment vibration levels and automatically reduces speed or activates dampers when exceeding safe thresholds. Under HTS 9032.89.60.85 as other automatic controllers for mechanical variables. Prevents damage through setpoint maintenance.
Speed Control Governor for Conveyor Systems
Electronic governor that regulates motor speed based on belt load feedback to maintain consistent conveyor throughput. HTS 9032.89.60.85 for other automatic speed regulators in industrial applications. Stabilizes against varying loads.
Tension Control Unit for Paper Winding Machines
Automatic tension regulator using load cells to adjust web tension during paper roll production, preventing breaks or slippage. Classified HTS 9032.89.60.85 as other regulators for mechanical force variables. Maintains constant tension via feedback.
Industrial PLC Temperature Controller
A programmable logic controller-based device that automatically monitors and regulates temperature in manufacturing processes by measuring sensor inputs and adjusting heaters or coolers. It falls under HTS 9032.89.60.85 as an automatic regulating instrument for temperature control, designed to maintain precise setpoints against disturbances. This subheading covers other non-electrical quantity regulators not specified elsewhere in heading 9032.
Automatic pH Control System for Water Treatment
An integrated apparatus that continuously measures pH levels in water and automatically dispenses acid or base to maintain target values in industrial treatment plants. Classified under HTS 9032.89.60.85 for other automatic regulators of non-electrical quantities like chemical concentration. It stabilizes process variables through periodic measurement and adjustment.