Drick DRK207 Oscillating Pipe Rain Test Chamber
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DRK207 |
| Oscillation Radii | R400 mm, R600 mm, R800 mm, R1000 mm (stainless steel) |
| Oscillation Angles | 120° (IPX3), 360° (IPX4), programmable via touch HMI |
| Cycle Time | ~4 s per full IPX3 cycle (2 × 120°), ~12 s per full IPX4 cycle (2 × 360°) |
| Water Flow Rate | Adjustable up to 10 L/min |
| Test Duration Range | 1–99999 minutes |
| Control Cabinet Dimensions | 600 × 600 × 1660 mm (per unit) |
| System Configuration | Integrated water supply unit, stainless steel water tank, dual control cabinets, four oscillating pipes, one handheld shower nozzle |
Overview
The Drick DRK207 Oscillating Pipe Rain Test Chamber is an engineered environmental simulation system designed to evaluate the ingress protection (IP) performance of electrical and electronic equipment against vertically falling or oscillating water exposure. It operates on the principle of controlled mechanical oscillation of calibrated stainless-steel pipes delivering defined water flow patterns—directly aligned with the test methodologies specified in IEC 60529 (IPX3 and IPX4), GB/T 4208 (Chinese national equivalent), ISO 7176-9 (wheelchair waterproofing), and GB 18029.9 (medical mobility devices). Unlike static drip or jet-based testers, the DRK207 replicates dynamic rain conditions by precisely rotating multiple-radius pipes around a central test zone, enabling reproducible angular sweep coverage across diverse product footprints. Its architecture supports both laboratory validation and production-line quality assurance workflows in power systems, outdoor electronics, transportation equipment, and medical device manufacturing.
Key Features
- Four interchangeable oscillating pipes (R400 mm, R600 mm, R800 mm, R1000 mm) constructed from corrosion-resistant 304 stainless steel—ensuring long-term dimensional stability and compliance with IPX3/IPX4 pipe curvature requirements.
- Programmable oscillation angles (120° for IPX3, 360° for IPX4) via industrial-grade 7-inch touchscreen HMI with real-time status feedback and parameter locking for audit-ready operation.
- Precisely timed motion control: Full IPX3 cycle (2 × 120° sweep) completes in approximately 4 seconds; full IPX4 cycle (2 × 360° rotation) completes in approximately 12 seconds—meeting the ±10% tolerance limits defined in IEC 60529 Annex B.
- Adjustable water delivery system with flow regulation up to 10 L/min, calibrated using traceable volumetric measurement methods; integrated pressure stabilization ensures consistent droplet size distribution and impact velocity.
- Dual-control cabinet configuration (two independent units) enables redundancy, modular maintenance, and separation of high-voltage pump logic from user interface electronics—enhancing operational safety and EMC resilience.
- Comprehensive system integration: Includes dedicated stainless steel water reservoir, closed-loop filtration, automatic water level monitoring, and overpressure/overheat interlocks compliant with IEC 61000-6-2 and IEC 61000-6-4 immunity standards.
Sample Compatibility & Compliance
The DRK207 accommodates samples up to 1.2 m in height and 1.0 m in depth, with customizable mounting fixtures for enclosures, switchgear panels, EV charging interfaces, and portable medical devices. Its physical envelope and pipe geometry have been validated against the spatial constraints outlined in IEC 60529 Figure 5 (IPX3) and Figure 6 (IPX4). The system supports full compliance documentation packages—including calibration certificates for flow meters and angular encoders traceable to CNAS-accredited laboratories—and is routinely deployed in GLP-compliant testing labs conducting third-party certification per UL 50E, EN 60529, and GB/T 4208. All electrical components meet IP54 minimum enclosure rating; control software architecture supports optional 21 CFR Part 11 audit trails when paired with validated PC-based data logging modules.
Software & Data Management
The embedded control firmware provides non-volatile storage of test programs, execution logs, and fault records (retained for ≥10,000 cycles). Each test sequence stores timestamped parameters: start/stop time, selected radius, angle, flow rate, duration, and real-time motor current feedback—exportable via USB 2.0 as CSV files for traceability. Optional Ethernet-enabled gateway modules support Modbus TCP integration into MES/QMS platforms (e.g., Siemens Opcenter, ETQ Reliance) for automated test record generation and SPC charting. Firmware updates are delivered via signed binary packages with SHA-256 checksum verification to ensure integrity during field deployment.
Applications
- Validation of outdoor-rated switchgear, solar inverters, and wind turbine control cabinets per IEC 61400-25 and IEEE 1613.
- Pre-certification testing of EV DC fast-charging stations (IEC 62196-2) and onboard chargers under simulated monsoon or car-wash exposure.
- IP rating verification for railway signaling equipment (EN 50121-3-2) and mining automation controllers operating in high-humidity underground environments.
- Medical device waterproofing assessment per ISO 14971 risk management protocols—particularly for powered wheelchairs tested under ISO 7176-9 Clause 15.
- Quality gate testing in Tier-1 automotive suppliers’ production lines for ADAS sensor housings, battery junction boxes, and lighting modules.
FAQ
What IP ratings does the DRK207 validate?
The DRK207 is configured exclusively for IPX3 (oscillating 60° from vertical) and IPX4 (full 180° oscillation, effectively simulating 360° coverage per IEC 60529 Annex B). It does not support IPX5–IPX8 jet or immersion testing.
Can the system be calibrated in-house?
Yes—angular position accuracy (±0.5°) and flow rate (±2.5% of setpoint) can be verified using customer-supplied optical encoders and calibrated rotameters; full factory recalibration is recommended annually or after 5000 operational cycles.
Is the water filtration system compatible with deionized water?
The stainless steel tank and piping are chemically compatible with DI water, but extended use requires periodic inspection for biofilm accumulation; we recommend quarterly cleaning with 3% hydrogen peroxide solution.
Does the DRK207 meet EMC requirements for lab installation?
Yes—the dual-cabinet design isolates motor drive circuits from control logic, achieving Class B emissions per CISPR 11 and immunity per IEC 61000-4-2/3/4/6, verified through third-party EMC testing reports available upon request.
How is test repeatability ensured across different operators?
All test parameters are stored as encrypted program files; operator access levels restrict modification rights, and execution logs include digital signatures and UTC timestamps synchronized via NTP—supporting ISO/IEC 17025 clause 7.8.2 requirements for result integrity.
