HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
9029104000 | Doc | 60.3% | CN | US | 2025-05-12 |
9029108000 | Doc | 55.0% | CN | US | 2025-05-12 |
9031808085 | Doc | 30.0% | CN | US | 2025-05-12 |
9031909195 | Doc | 80.0% | CN | US | 2025-05-12 |
8543708000 | Doc | 55.0% | CN | US | 2025-05-12 |
8543708800 | Doc | 30.0% | CN | US | 2025-05-12 |
8517690000 | Doc | 55.0% | CN | US | 2025-05-12 |
8517620090 | Doc | 30.0% | CN | US | 2025-05-12 |
Electronic Stopwatch
An electronic stopwatch is a timing device designed to measure elapsed time with greater precision than mechanical stopwatches. It utilizes electronic components for accurate timekeeping and display.
Material:
- Housing: Typically constructed from plastic (ABS, polycarbonate) for durability and lightweight design, sometimes with rubberized grips for enhanced handling. Metal housings (aluminum, stainless steel) are found in higher-end models for increased robustness.
- Buttons: Polymer buttons with tactile feedback, often featuring rubber or silicone overlays for water resistance and grip.
- Display: Liquid Crystal Displays (LCD) are the most common, offering clear readability in various lighting conditions. Some models employ Light Emitting Diodes (LEDs) for brighter displays, particularly useful in low-light environments.
- Internal Components: Integrated circuits (ICs), quartz crystals for timekeeping accuracy, batteries (typically button-cell or AAA), and a circuit board.
Purpose:
The primary purpose of an electronic stopwatch is to accurately measure intervals of time. This is used across a broad range of applications.
Function:
- Start/Stop: Initiates and pauses the timing process.
- Reset: Returns the timer to zero.
- Lap/Split: Records multiple times during a single timed event. Lap time measures the time for each individual segment of an event, while split time displays the current elapsed time and holds it while the timer continues running.
- Display: Shows elapsed time, often with multiple digits for hours, minutes, and seconds, and sometimes fractions of a second (milliseconds).
- Accuracy: Quartz crystal oscillators provide high accuracy, typically within fractions of a second per day.
- Chronograph: Many electronic stopwatches function as chronographs, capable of measuring multiple events without resetting the overall timer.
Usage Scenarios:
- Sports: Track running times, swimming laps, cycling speeds, and other athletic performances.
- Coaching: Used by trainers to measure athlete performance and analyze training progress.
- Scientific Research: Precise timing for experiments and data collection.
- Industrial Applications: Measure process times, machine cycles, and production rates.
- Everyday Use: Cooking, fitness tracking, parking time, and general time management.
Common Types:
- Basic Stopwatches: Simple start/stop/reset functionality with lap/split timing. Generally the most affordable option.
- Multi-Function Stopwatches: Include additional features like countdown timers, alarm clocks, and multiple time zones.
- Digital Lap Counters: Designed specifically for tracking laps in swimming or running events, often with memory to store multiple lap times.
- Waterproof/Water-Resistant Stopwatches: Suitable for use in aquatic environments or during activities with potential exposure to moisture.
- Wireless Stopwatches: Utilize Bluetooth or other wireless technologies to transmit data to computers or smartphones for analysis.
- Touchscreen Stopwatches: Feature a touchscreen interface for easy operation and access to advanced features.
- Smartwatch Integration: Many smartwatches include built-in stopwatch functionality, often with advanced features and connectivity options.
An electronic stopwatch is a timing instrument used to measure elapsed time. It typically features digital displays and may include functions like lap timing and split timing.
Here are the relevant HS codes based on the provided reference material:
-
9029104000: Revolution counters, production counters, taximeters, odometers, pedometers and the like; speedometers and tachometers, other than those of heading 9014 or 9015; stroboscopes; parts and accessories thereof: Revolution counters, production counters, taximeters, odometers, pedometers and the like: Taximeters.
- 90: Chapter 90 – Instruments and apparatus which measure or check physical quantities, meter or mark quantities, or control quantities.
- 29: Heading 9029 – Revolution counters, production counters, taximeters, odometers, pedometers and the like; speedometers and tachometers, other than those of heading 9014 or 9015; stroboscopes.
- 10: Subheading 902910 – Revolution counters, production counters, taximeters, odometers, pedometers and the like.
- 40: Specific code 9029104000 – Taximeters. (While this code specifically lists taximeters, the broader category includes timing and counting devices.)
- Tax Rate: Basic tariff: 5.3%, Additional tariff: 25.0%, Post-April 2, 2025, additional tariff: 30%. Total tariff: 60.3%.
-
9029108000: Revolution counters, production counters, taximeters, odometers, pedometers and the like; speedometers and tachometers, other than those of heading 9014 or 9015; stroboscopes; parts and accessories thereof: Revolution counters, production counters, taximeters, odometers, pedometers and the like: Other.
- 90: Chapter 90 – Instruments and apparatus which measure or check physical quantities, meter or mark quantities, or control quantities.
- 29: Heading 9029 – Revolution counters, production counters, taximeters, odometers, pedometers and the like; speedometers and tachometers, other than those of heading 9014 or 9015; stroboscopes.
- 10: Subheading 902910 – Revolution counters, production counters, taximeters, odometers, pedometers and the like.
- 80: Specific code 9029108000 – Other. (This code covers timing and counting devices not specifically listed elsewhere.)
- Tax Rate: Basic tariff: 0.0%, Additional tariff: 25.0%, Post-April 2, 2025, additional tariff: 30%. Total tariff: 55.0%.
-
9031808085: Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: Other instruments, appliances and machines: Other Other.
- 90: Chapter 90 – Instruments and apparatus which measure or check physical quantities, meter or mark quantities, or control quantities.
- 31: Heading 9031 – Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors.
- 80: Subheading 903180 – Other instruments, appliances and machines.
- 80: Specific code 9031808085 – Other Other. (This code covers a broad range of measuring instruments not specifically classified elsewhere.)
- Tax Rate: Basic tariff: 0.0%, Additional tariff: 0.0%, Post-April 2, 2025, additional tariff: 30%. Total tariff: 30.0%.
According to the provided reference material, the HS code options related to 'electronic stopwatch' are limited, with only the following 3 found.