English Product Name

Overview

The Yuelian RX1 Series Rain Test Chamber is a purpose-engineered environmental test system designed to evaluate the water resistance performance of timepieces—particularly mechanical and quartz wristwatches—under controlled, repeatable simulated rainfall conditions. Based on the principle of dynamic exposure to calibrated water jets, this chamber replicates real-world hydrostatic and impact stress scenarios encountered during incidental submersion, splashing, or prolonged surface wetting. Unlike static immersion tests, the RX1 employs rotational sample presentation combined with precisely regulated spray geometry and pressure, enabling assessment of seal integrity at gasket interfaces, crown stems, crystal edges, and case back joints. The system complies with foundational test logic aligned with ISO 22810:2010 (Horology — Water-resistant watches) and supports verification workflows consistent with internal QC protocols for watch manufacturers, component suppliers, and third-party certification laboratories. Its modular architecture prioritizes operational stability, material compatibility with aqueous media, and long-term repeatability in production-line or R&D validation environments.

Key Features

• Chamber interior constructed from high-grade imported stainless steel (AISI 304 equivalent), ensuring corrosion resistance and cleanability during repeated water exposure cycles.
• Exterior enclosure fabricated from A3 carbon steel with electrostatic powder coating for mechanical durability and environmental resilience.
• All wetted components—including spray manifolds, nozzles, piping, and turntable hardware—manufactured from stainless steel or electrolytic copper to prevent galvanic corrosion and particulate leaching.
• Adjustable rotary turntable (Ø30 mm, 1–10 rpm) enables uniform angular exposure of mounted watch samples to the spray field, minimizing positional bias in test outcomes.
• Programmable cycle controller allows precise definition of spray-on duration, pause intervals, and total test runtime—critical for staged evaluation per tiered water resistance classifications (e.g., 30 m, 50 m, 100 m).
• Integrated elapsed-time counter provides traceable record of actual exposure duration, supporting GLP-compliant documentation requirements.

Sample Compatibility & Compliance

The RX1 accommodates standard watch fixtures—including adjustable clamping mounts and non-magnetic sample holders—suitable for cases up to 52 mm diameter and 18 mm thickness. It supports testing of assembled movements, complete watches, and individual case assemblies. While not a certified IPX-rated chamber per IEC 60529, its spray parameters (nozzle size, pressure range, impact angle, and coverage geometry) are dimensionally compatible with Clause 6.2 of ISO 22810 for “water resistance under dynamic conditions.” Users may map RX1 test profiles to equivalent IPX3/IPX4 rain exposure durations when validated against reference standards. All materials contacting water meet FDA-compliant stainless steel specifications (ASTM A240/A276), and electrical components conform to IEC 61000-6-3 EMC emission limits.

Software & Data Management

The RX1 operates via a dedicated microprocessor-based control panel with tactile membrane keys and LED status indicators. No PC interface or proprietary software is included; however, the unit supports manual logging of test parameters (pressure, duration, rpm) and time-stamped operation records. For integration into automated QA systems, optional analog 4–20 mA output signals (pressure and timer status) can be added upon request. Audit trails remain operator-documented per internal SOPs, and the elapsed-time counter provides tamper-resistant runtime verification essential for ISO 9001:2015 clause 8.5.2 (Identification and traceability) and FDA 21 CFR Part 11 readiness when paired with controlled logbooks.

Applications

• Pre-shipment verification of water resistance claims for OEM and private-label watch brands.
• Design validation of gasket compression set, crown sealing mechanisms, and crystal bonding adhesion.
• Accelerated aging studies involving cyclic thermal-hydraulic stress (when used in tandem with climate chambers).
• Supplier qualification testing for case manufacturers and movement assemblers.
• Educational demonstration of ingress protection principles in metrology and precision engineering curricula.

FAQ

Does the RX1 Series comply with ISO 22810 or ISO 6425?

The RX1 is engineered to replicate key physical parameters referenced in ISO 22810:2010 Annex A (rain test methodology), but it is not a certified calibration instrument. Final compliance determination requires correlation with accredited laboratory testing using primary standards.

Can the chamber test watches with leather or fabric straps?

Yes—straps are permitted during testing; however, absorbent materials may retain moisture and affect post-test drying assessments. Non-absorbent mounting fixtures are recommended for comparative repeatability.

Is water filtration required for continuous operation?

Use of deionized or filtered water (≤5 µm particulate rating) is strongly advised to prevent nozzle clogging and ensure stable spray pressure over extended cycles.

What maintenance intervals are recommended?

Nozzle inspection and cleaning every 50 operational hours; full system drain and chamber wipe-down after each test batch; annual verification of pressure regulator calibration.

Is CE or UL certification available for export?

The base RX1 configuration meets general safety requirements per IEC 61010-1. CE marking may be applied following regional notified body review; UL 61010-1 certification is available as an optional factory-installed upgrade.