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This article explains about IP protection standards and detection methods.

Recently, a friend recommended to Xiao Li a customer in the smart wear industry who needs solutions and equipment for sealing detection of watches.

Customer's requirements: Completely prohibit dust from entering, and ensure that the product can be immersed under 100m of water for 1 hour without water entering the watch. Combined with the IP protection level (as shown in the table below), it is determined that the dustproof and waterproof level of the product to be tested needs to be IP68.

Device selection:

Dust-proof test can be tested using a dust-proof test box.

Waterproof test can be carried out in the following four ways.

When selecting a detection method, the corresponding equipment is generally selected according to the protection level to perform waterproof detection on the product to be tested.

As can be seen from the above, customer needs can be detectedIP68 waterproof testing equipment, so Xiao Li recommends air tightness testing equipment to customers.

Air tightness testing equipment

The air tightness detector is a device that compresses gas, simulates water pressure, and performs leak detection on the product to be tested through the pressure drop method or differential pressure method.

The pressure drop method refers to detecting changes in gas pressure by injecting air at an equal amount and balancing it. The air tightness and waterproof tester system obtains leakage values through a series of sampling, calculations, and comparisons, and compares some data with set parameters to give a qualified or unqualified judgment result. It has a wide range of applications, and there are many types of benchmarking air tightness testing equipment.

The differential pressure method is to test the product to be tested and the standard product at the same time, compare the leakage values, and calculate the judgment result through a program. It is suitable for products with high air tightness requirements and variability.

The final solution given by Xiao Li is:

Recommended instrument: Hirays HC classic series detector

Usage: Customize the corresponding mold and tooling according to the shape and structure of the watch.

Install the mold on the customized tooling, and then place the product to be tested into the mold.

Use the differential pressure detection method, select the set program (certified by a certain amount of sample experiments in the early stage), and you can start the test. The instrument will definitely determine whether the tested product is OK or NG according to the set program.

Testing process: Clamp → Start → Stabilize → Test → Deflate → Remove the product.

Hiris delivery capabilities:

• 200-300 sets of instruments and materials are always available;

• Perfect quality control;

• Trained assembly personnel:

• Production capacity: 8 units/person/day;

• Conventional instruments, 15 units in stock;

Hirays HC Classic SeriesMulti-channel air tightness detector

1. Fast delivery, only 0-1 days required;

2. Improve operator satisfaction with the working environment;

3. The airtight testing equipment is stable and accurate, reducing the labor of factory debugging personnelStrength;

4. Can provide early trial production verification, which can quickly improve the production process and speed up the project progress;

5. Worry-free after-sales, the equipment comes with a customer service QR code.Scan it to get help.