1. Basic Understanding of Test Chambers

1.1 Product Overview

1.1.1 Applicable Standards

GB/T 4208-2017 “Degrees of Protection Provided by Enclosures (IP Code),” Clause 14.2.9;

IEC 60529:2013, “Degrees of Protection Provided by Enclosures (IP Code),” Clause 14.2.9;

GB/T 7000.1-2023 “Luminaires—Part 1: General Requirements and Tests,” Clause 10.2.5;

GB/T 30038-2013 “Road Vehicles—Degrees of Protection Provided by Enclosures (IP Code),” Clause 5.3.5;

ISO 20653:2023, “Road vehicles—Degrees of protection (IP-code) for electrical and electronic equipment,” Clause 5.3.5;

DIN 40050-9:2009, “Road Vehicles—Protection of Electrical Equipment against Foreign Objects, Water, and Access,” Clause 6.3;

VW 80000:2018, “Requirements for Electrical and Electronic Components in Motor Vehicles—Environmental Conditions and Test Requirements,” Section 5.2.3.

1.1.2 Application Scenarios

Automotive Parts: In-vehicle sensors, connectors, automotive lighting, power battery packs, engine control systems;

Electronics and Electrical Equipment: Outdoor security equipment, industrial control instruments, power tools;

Lighting Equipment: Outdoor LED fixtures, tunnel lights, mining lights;

New Energy Products: Outdoor charging stations, energy storage systems, and photovoltaic inverters;

Construction Machinery: Electrical components and seals for equipment such as excavators and loaders;

Rail Transit: On-board electrical equipment and signaling systems;

Third-Party Testing Organizations: IPX9K compliance certification testing for various types of products.

1.2 Key Parameters

1.3 Unboxing Inspection and Verification of Accessories

1.3.1 Unpacking and Visual Inspection

When unpacking the device, handle it gently to avoid scratching the outer casing with sharp tools. After unpacking, first inspect the exterior of the device to ensure there is no visible deformation or dents, and that the buttons are not damaged or loose. If you notice any abnormalities with the device or its accessories, do not turn it on. Please contact us immediately.

1.3.2 Downloading Electronic Documents

Links to the digital user manual, warranty card, calibration certificate, and other documents have been sent via email. If you missed the email, please contact us to receive the links again.

2. Safety Precautions

2.1 Electrical Safety Standards

2.1.1 Power Supply and Grounding Requirements

Use the 380V three-phase power supply specified on the equipment nameplate; under no circumstances use a power supply with a voltage or frequency other than the rated values. The equipment must be reliably grounded, with a grounding resistance of ≤4Ω. It is recommended to install a properly rated ground-fault circuit interrupter (GFCI) in the equipment’s power supply circuit to enhance electrical safety.

2.1.2 Safety Precautions for Electrical Operations

Never touch the power cord, plug, or electrical components of the equipment with wet hands; do not pull or pinch the power cord to prevent damage to the insulation; unauthorized personnel must not open the equipment’s electrical enclosure door, and must not alter electrical circuits or parameters without authorization; If the equipment is to be out of service for an extended period, the main power supply and power cord must be disconnected to prevent safety hazards associated with standby mode.

2.2 Safety in High-Temperature and High-Pressure Operations

During the water tank heating process and after the test is complete, do not touch the interior of the water tank, the metal walls of the inner tank, or the nozzle components to prevent burns; After the test is complete, do not open the chamber door fully all at once. First, leave the door slightly ajar (5–10 cm), and wait until the high-temperature steam has dissipated before opening it fully. When removing or placing samples in a high-temperature environment, you must wear heat-resistant gloves; do not touch the samples or high-temperature components inside the chamber with bare hands.

2.3 Prohibitions on Routine Operations and Emergency Response Procedures

2.3.1 Prohibited Operations During Operation

Do not arbitrarily modify operating parameters, and do not frequently start and stop the equipment. Do not place foreign objects inside the enclosure; keep the chamber dry and clean to prevent debris from clogging the water lines. Samples must be securely fastened to the turntable to prevent them from falling off and striking the equipment during rotation. Operators must not leave their posts while the equipment is running and must monitor its operating status at all times.

2.3.2 Emergency Response Procedures

If the equipment emits unusual noises, leaks water, experiences an electrical leak, or emits smoke during operation, immediately press the emergency stop button on the control panel to stop all equipment operations immediately; if necessary, cut off the equipment’s main power supply directly; after the fault has been resolved, turn the emergency stop button clockwise to reset it.

2.4 Other

For matters not covered in this manual, please proceed with caution or contact us.

3. Introduction to Basic and Connections

3.1 Front of Basic

See Figure 3-1.

3.2 Rear of the Basic

See Figure 3-2.

Note: Before using Basic for the first time, thoroughly clean the interior of both the test chamber and the water tank.

4. Introduction to the Touchscreen Program

4.1 User Interface

After Basic is turned on, the touchscreen program automatically enters the operating interface, as shown in Figure 4-1.

4.2 Test Parameter Settings Interface

See Figure 4-2.

Note: Power On: The power-on duration covers the entire test period; power-off duration = 0 s. Power Off: The power-on duration = 0 s; the power-off duration covers the entire test period.

4.3 Manual Window

See Figure 4-3.

5. IPX9K High-Temperature, High-Pressure Water Spray Test Procedure

5.1 Hydraulic Testing and Commissioning

5.1.1 Standard Schematic Diagram

See Figure 5-1 for a schematic diagram illustrating the measurement of water jet impact force (adapted from IEC 60529, Figure 10).

See Figure 5-2 for a schematic diagram of the impact force distribution (taken from IEC 60529, Figure 11).

5.1.2 Water Pressure Commissioning Procedures

5.2 Installing the Sample

5.2.1 Connecting the Sample Power Cord

As shown in Figure 5-4, connect the sample power cord using the standard waterproof connector.

5.2.2 Schematic Diagram of Sample Installation

Install the specimen according to the standard, as shown in Figure 5-5. Ensure that the specimen is securely mounted to prevent it from falling during the test.

5.3 Standard Test Parameters

5.3.1 Standard Test Parameters for Small Specimens

Suitable for samples with maximum dimensions ≤250 mm, corresponding to Class A testing in GB/T 4208-2017 (IEC 60529:2013). The parameter settings are as follows: Number of cycles: 1; Spray duration: 30 s (per angle); Spray interval: 10 s; Water temperature: 80°C; Turntable speed: 5 r/min; Sample power status: Set according to test requirements; if no special requirements exist, set to continuously powered.

5.3.2 Standard Test Parameters for Large Specimens

Applicable to samples with a maximum dimension of ≥250 mm, corresponding to Class 14.2.9 testing in GB/T 4208-2017 (IEC 60529:2013). The test parameters are as follows: Test duration: Calculated based on the sample’s surface area, at a rate of 1 min/m², with a minimum of 3 min; Nozzle distance: Adjusted to 175 ± 25 mm; Water temperature: 80°C; Spray method: Manually adjust the nozzle angle to cover all external surfaces of the sample in sequence, ensuring the spray angle is as perpendicular as possible to the surface being tested; Rotating table: Select whether to enable or disable it based on the sample’s shape to ensure full surface coverage.

5.4 Start-up Test

5.4.1 Procedure

5.4.1 Key Points for Monitoring Operational Status

During the test, the following conditions are monitored in real time via the observation window and touchscreen: Water temperature: maintained within the range of 80±5°C; Pressure: maintained within the range of 8–10 MPa; Flow rate: maintained within the range of 14–16 L/min; Rotary table: Operates smoothly, without jamming or unusual noises; Samples: Securely fastened, with no shifting or detachment; Piping: No leaks or abnormal vibrations.

5.4.2 Pausing and Resuming Operations Midway

If you need to pause the test, click the “Stop Test” button; the equipment will immediately stop spraying and the turntable will stop rotating. After resolving the issue, click “Reset,” then click the “Start Test” button to resume the test. In the event of an emergency, press the emergency stop button to cut off power to the equipment. After resolving the issue, turn the emergency stop button clockwise to reset it, then resume the test.

5.5 End of the Test

5.5.1 Safety Guidelines for Sample Retrieval

Do not open the chamber door fully immediately after the test is complete. First, open the door slightly to create a 5–10 cm gap to allow the high-temperature steam inside to escape. Wait 3–5 minutes for the chamber temperature to drop, then wear heat-resistant gloves to fully open the door. Disconnect the power supply to the test specimen first, then remove it and place it on a heat-resistant mat to cool naturally. Do not touch the inner chamber walls, nozzles, or other high-temperature components with bare hands.

5.5.2 Resetting Basic

After all tests are complete, press the “Heat” button again to turn off the heating function, and then turn off Basic.

5.5.3 Criteria for Evaluating Water Resistance

After the sample has cooled to room temperature, inspect and evaluate it in accordance with the requirements of the applicable standard: Check for water ingress inside the sample’s enclosure; if the amount of water entering the enclosure does not reach a harmful level, the sample is considered to meet the IPX9 standard; for samples tested under power, verify that their electrical functions are normal after the test.

6. Daily Maintenance and Care of Equipment

6.1 Maintenance After Each Use

6.1.1 Cleaning

Use a clean cloth to wipe away water stains from the inner walls of the chamber, the turntable, and the nozzle bracket; remove any debris, such as fallen sample labels or particles, from inside the chamber to prevent clogging of the water lines and filters; clean the viewing window glass and the wiper to maintain a clear view; and wipe down the exterior of the equipment to keep it clean and tidy.

6.1.2 Water Tank Maintenance

If Basic will be used again within a short period (within 7 days), the water in the tank may be left in the tank; if the chamber will not be used within 7 days, open the drain valve to empty the tank and remove any standing water from the pipes to prevent water quality deterioration and scale buildup.

6.2 Regular Maintenance Schedule

Perform tiered maintenance based on frequency and cycle of use:

6.3 Specialized Maintenance of Core Components

6.3.1 High-Pressure Water Pump Maintenance and Oil Change

The high-pressure water pump is a core component of the equipment and requires periodic maintenance. After the pump has accumulated 500 hours of operation, the equipment will trigger a pump oil warning; the specialized oil must be replaced promptly.

6.3.2 Nozzle Maintenance and Replacement

The nozzle is a precision standard component; do not knock or scratch the spray orifice; After each test, wipe water droplets from the nozzle surface to prevent scale buildup from clogging the spray orifices; if abnormal spray patterns, insufficient pressure, or significant flow rate deviations occur, check the nozzle for wear; if the nozzle is worn, it must be replaced with an original manufacturer’s standard nozzle to ensure that the spray parameters meet the standard requirements.

6.4 Maintenance of Idle Equipment

6.4.1 Short-term Idle Period (Within 1 Month)

Drain all standing water from the tank and water lines to prevent scale buildup on the nozzles and in the pipes; cover the entire unit with a dust-proof cloth to keep dust out; and store the unit in a dry, well-ventilated area.

6.4.2 Long-term inactivity (more than 1 month)

Complete all maintenance procedures for short-term storage; disconnect all electrical and water connections from the equipment; remove the water hoses, let them air dry, and store them properly; Apply a layer of rust-preventative oil to the inner walls of the water tank and the surfaces of metal parts to prevent rust; store the equipment in a cool, dry environment away from direct sunlight; apply a small amount of industrial lubricant to moving parts such as the turntable lead screw to prevent rust and jamming; Power on the equipment once a month, enter the manual control screen to test all functions, and shut it down after running for 5 to 10 minutes to prevent circuit deterioration.

6.5 Calibration Interval Requirements

To ensure the testing accuracy and operational reliability of Basic, it is recommended that calibration be performed periodically by a qualified third-party metrology organization. The recommended calibration interval is 12 months. The specific calibration interval may be determined by the user based on frequency of use, environmental conditions, and quality system requirements.

7. Troubleshooting and Resolving Common Problems