Of articles of subheading 9030.31
Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof: > Parts and accessories: > Other: > Other: > Other > Of articles of subheading 9030.31
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 9030.90.89.21
Tektronix TDS3000 Oscilloscope Probe Kit
This probe kit is specifically designed for use with Tektronix TDS3000 series oscilloscopes (classified under 9030.31), including passive voltage probes and logic analyzers for signal measurement. It falls under HTS 9030.90.89.21 as a dedicated accessory for these electrical measuring instruments, enabling accurate waveform capture and analysis. The kit ensures compatibility with high-bandwidth signals typical in electronic testing.
BNC Feedthrough Adapter for 9030.31 Spectrum Analyzers
Precision BNC feedthrough adapter designed exclusively for input ports on spectrum analyzers of subheading 9030.31, minimizing signal loss in RF measurements. Classified in 9030.90.89.21 as a dedicated connector accessory for these ionizing radiation-excluding electrical instruments. Used in calibration and high-frequency testing setups.
Current Probe Clamp for Spectrum Analyzer RF Measurements
Clamp-style current probe tailored for spectrum analyzers of 9030.31, measuring AC/DC currents in RF circuits without circuit interruption. Under 9030.90.89.21 as a specialized accessory for electrical radiation detecting instruments. Supports frequencies up to 100 MHz.
Logic Ground Lead Set for Mixed-Signal Oscilloscopes
Ground lead set optimized for logic channels on 9030.31 mixed-signal oscilloscopes, reducing noise in digital captures. 9030.90.89.21 classification for dedicated electrical testing accessories. Includes micro-grabbers for SMD probing.
Power Sensor Module Replacement for Spectrum Analyzers
Replacement power sensor head for 9030.31 spectrum analyzers, measuring RF power levels from -70 to +20 dBm. 9030.90.89.21 for its principal use with these radiation detecting instruments. Diode-based detection for precision.
Near-Field Probe Kit for EMI Debugging on Oscilloscopes
EMI near-field probe kit for oscilloscopes under 9030.31, diagnosing electromagnetic interference in PCB designs. Classified 9030.90.89.21 as accessory for electrical quantity checking excluding ionizing types. Includes H-field and E-field probes.
High-Voltage Differential Probe Adapter Board
Adapter board enabling high-voltage differential probes on 9030.31 oscilloscopes for power supply validation. 9030.90.89.21 as dedicated interface accessory. Supports up to 5kV isolation.
Des skew Fixture for Multi-Channel Scope Synchronization
De-skew fixture calibrates timing between channels on 9030.31 multi-channel oscilloscopes for accurate signal analysis. HTS 9030.90.89.21 as specialized alignment accessory. Essential for high-speed digital validation.
Keysight N2840A Passive Probe for InfiniiVision Oscilloscopes
The Keysight N2840A is a high-impedance passive probe optimized for InfiniiVision series oscilloscopes under 9030.31, supporting bandwidths up to 100 MHz for precise electrical signal checking. Classified under 9030.90.89.21 as it is a dedicated part for these spectrum analyzers and oscilloscopes. It features adjustable attenuation for various voltage measurements in lab environments.
Replacement Input Attenuator Module for Rohde & Schwarz Oscilloscopes
This input attenuator module is a critical replacement part for Rohde & Schwarz oscilloscopes and spectrum analyzers of 9030.31, handling high-voltage signals without distortion. It qualifies for HTS 9030.90.89.21 as an essential accessory dedicated to these electrical quantity measuring devices. Designed for front-end signal conditioning in professional RF testing.
LeCroy WaveSurfer Logic Analyzer Pod Set
Pod set for LeCroy WaveSurfer oscilloscopes (9030.31), enabling multi-channel digital signal acquisition alongside analog measurements. Falls under 9030.90.89.21 as specialized accessories for these electrical testing instruments. Ideal for mixed-signal debugging in electronics development.
Active Differential Probe for High-Voltage Oscilloscope Testing
Active differential probe for oscilloscopes under 9030.31, providing safe isolation for measurements up to 1400V in power electronics testing. HTS 9030.90.89.21 applies as it's principally for these electrical quantity checking devices. Features low noise and high common-mode rejection.
Oscilloscope Calibration Fixture for TDS Series
Dedicated calibration fixture for Tektronix TDS oscilloscopes (9030.31), ensuring trace accuracy and timing precision post-assembly. Classified 9030.90.89.21 for its exclusive use with these measuring apparatus. Includes test signals for vertical and horizontal calibration.
High-Impedance Buffer Amplifier Module for 9030.31 Instruments
Buffer amplifier module that enhances input impedance for oscilloscopes and analyzers under 9030.31, preventing signal loading. HTS 9030.90.89.21 as principal accessory for electrical quantities measurement. Used in low-signal probing applications.
SMA Cable Assembly for Oscilloscope External Triggering
Low-loss SMA cable assembly for external trigger inputs on 9030.31 oscilloscopes, ensuring timing synchronization in complex setups. Under 9030.90.89.21 as dedicated interconnect for these apparatus. 50-ohm impedance for RF integrity.