Jianhu JHD-11 Drip Test Apparatus
| Brand | Jianhu |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JHD-11 |
| Quotation | Upon Request |
| Water Tank Dimensions | 800 × 1000 mm |
| Water Flow Rate | 3–5 mL/min |
| Drip Nozzle Orifice Diameter | Φ0.4 mm |
| Test Table Dimensions | 400 × 500 mm |
| Test Table Tilt Angle | 30°–90° (adjustable) |
| Drip Height Range | 200–2000 mm (adjustable) |
| Construction Material | SUS304 stainless steel (water-contact components), A3 steel (drip support frame with electrostatic coating) |
| Power Supply | AC 380 V, 50 Hz |
| Compliance Standard | GB 4208–1993 (IPX1/IPX2 drip protection testing) |
Overview
The Jianhu JHD-11 Drip Test Apparatus is an engineered environmental simulation system designed to evaluate the ingress protection (IP) performance of electrical and electronic equipment under controlled vertical or angled water droplet exposure. It operates on the principle of regulated gravity-fed water delivery through precision-machined nozzles, replicating natural dripping conditions as defined in IEC 60529 and its national adoption GB 4208–1993 for IPX1 (vertically falling drops) and IPX2 (dripping at up to 15° tilt). The apparatus provides a repeatable, traceable test environment for assessing enclosure integrity against moisture penetration—critical for product validation in R&D, quality assurance, and regulatory compliance workflows across automotive electronics, industrial control systems, outdoor lighting, and consumer appliance manufacturing.
Key Features
- Precision-engineered drip manifold with calibrated Φ0.4 mm stainless steel nozzles ensuring uniform droplet size and consistent flow distribution across the test area.
- Adjustable test table (400 × 500 mm) with fine-angle positioning from 30° to 90°, enabling standardized orientation per IPX1 (0°) and IPX2 (15° relative to vertical) test configurations.
- Vertically adjustable drip reservoir assembly (200–2000 mm height range) facilitating accurate drop impact velocity control and compliance with fall-height requirements specified in GB 4208–1993.
- Full-SUS304 stainless steel water circuit—including tank (800 × 1000 mm), piping, and nozzle housing—to prevent corrosion, biofilm formation, and particulate contamination during extended operation.
- Integrated flow regulation system featuring a calibrated rotameter and dual-stage filtration (5 µm particulate + activated carbon pre-filter), maintaining stable 3–5 mL/min delivery rate with ±0.3 mL/min repeatability over 8-hour continuous runs.
- Robust structural frame fabricated from A3 steel tubing with industrial-grade electrostatic powder coating, supporting mechanical stability under load and long-term laboratory use.
Sample Compatibility & Compliance
The JHD-11 accommodates samples up to 400 × 500 mm footprint and ≤25 kg mass on its tilting platform. Its design strictly adheres to the physical configuration, timing, and environmental parameters required for IPX1 and IPX2 verification per GB 4208–1993, which aligns with IEC 60529:1997 Edition 2.0. While not a certified calibration standard, the apparatus supports GLP-aligned test documentation when paired with external flow verification (e.g., gravimetric collection at nozzle outlet) and angle measurement using ISO 9001-traceable inclinometers. It is routinely deployed in third-party testing labs performing pre-certification screening prior to formal IP rating validation at accredited facilities.
Software & Data Management
The JHD-11 operates via manual analog controls—no embedded software or digital interface is included. All operational parameters (tilt angle, drip height, duration) are set mechanically and recorded externally by the user. For audit readiness, laboratories integrate the unit into broader QA systems using paper-based or LIMS-linked test protocols. Where electronic recordkeeping is mandated (e.g., under ISO/IEC 17025 or FDA 21 CFR Part 11), users implement independent time-stamped video recording of test execution and manual logbook entries verified by dual-signature. Flow rate verification logs and angle calibration certificates must be retained per test cycle to satisfy traceability requirements.
Applications
- Pre-compliance screening of enclosures for household appliances, power tools, and smart home devices targeting IPX1/IPX2 certification.
- Reliability assessment of printed circuit board conformal coatings and gasketed junction boxes exposed to condensation-prone environments.
- Material-level evaluation of hydrophobic surface treatments on polymer housings and metal chassis.
- Process validation of sealing operations (e.g., ultrasonic welding, adhesive bonding) in high-volume electronics assembly lines.
- Environmental stress screening in accelerated life testing programs where intermittent moisture exposure simulates real-world storage or transport conditions.
FAQ
Does the JHD-11 comply with IEC 60529 directly?
It implements the physical test conditions specified in IEC 60529 for IPX1 and IPX2; however, formal compliance requires verification by an ILAC-accredited laboratory using certified reference instruments.
Can it perform IPX3 or IPX4 testing?
No—this model is purpose-built for vertical and tilted drip only. Oscillating tube (IPX3) and splashing (IPX4) require separate apparatus per GB 4208–1993.
Is calibration documentation provided with shipment?
Factory verification data for flow rate and tilt mechanism accuracy is included; users must perform periodic in-house verification using NIST-traceable flow meters and digital inclinometers.
What maintenance is required for long-term reliability?
Monthly descaling of nozzles with 5% citric acid solution, quarterly filter replacement, and biannual inspection of stainless steel weld integrity and electrostatic coating adhesion.
Can the unit be integrated into automated test sequences?
Not natively—its analog control architecture requires external PLC interfacing via relay outputs (optional add-on) for synchronized start/stop with chamber controllers or data acquisition systems.
