Kit Probe Uji IEC 60335-1

1. Pemahaman Dasar tentang Perlengkapan Uji

1.1 Standar yang Berlaku

The SMT-635K Test Probe Kits of IEC 60335-1 are standardized sets of test tools designed specifically for safety testing of household and similar electrical appliances. All test fixtures are manufactured in strict accordance with the relevant clauses of GB/T 4706.1-2024 (IEC 60335-1).

Used to verify core safety performance characteristics of electrical products, such as protection against accidental contact, mechanical strength, structural reliability, and insulation and heat resistance; suitable for quality inspection departments at electrical appliance manufacturers, third-party testing laboratories, certification bodies, and other similar settings.

1.2 Scope of Application and Test Principles

1.2.1 Scope of Applicable Products

This test kit is suitable for safety testing of household and similar electrical appliances with a rated voltage not exceeding 250 V. It covers categories such as small appliances, lighting fixtures, power tools, and kitchen appliances, and can also be used to verify the protective performance of enclosures for other electrical products that meet the corresponding protection rating requirements.

1.2.2 Core Test Principles

By simulating various contact and by simulating various contact and pressure scenarios—such as human fingers, metal pins, thin probes, fingernails, and rigid pressure-applying tips—and applying the force values specified in the standard to openings in electrical enclosures, insulated surfaces, and protective components, this test verifies whether live parts and hazardous moving parts are accessible and whether protective structures and insulating materials meet safety requirements, thereby determining whether the product complies with the standard’s safety provisions.

1.3 Test Specimen Composition and Correspondence to Standards

Test Fixture Name	Ketentuan Standar yang Sesuai
Hinge Test Finger (Test Specimen B)	GB/T 4706.1-2024 (IEC 60335-1), Clause 8.1.1
Test Pin (Test Fixture 13)	GB/T 4706.1-2024 (IEC 60335-1), Clause 8.1.2
Test Probe (Test Fixture 41)	GB/T 4706.1-2024 (IEC 60335-1), Section 8.1.3
Modified Test Fixture B (Round Stop Plate)	GB/T 4706.1-2024 (IEC 60335-1), Clause 20.2
Test Nails	GB/T 4706.1-2024 (IEC 60335-1), Clause 21.2
Thrust Test Finger (Test Fixture 11)	GB/T 4706.1-2024 (IEC 60335-1), Clause 22.11

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2. Tindakan Pencegahan Keamanan

2.1 Persyaratan Lingkungan Pengujian

2.1.1 Kondisi Lingkungan

Tests should be conducted under normal temperature and humidity conditions, with an ambient temperature of 15°C to 35°C and a relative humidity of 25% to 75%. Live-line testing is prohibited in environments containing flammable or explosive gases to prevent safety incidents.

2.1.2 Persyaratan Meja Kerja

The device under test should be placed on a sturdy, level, insulated work surface and must not be moved during the test; sufficient operating space must be provided around the work surface to prevent contact with other live equipment during the test.

2.2 Pedoman Keselamatan Operasional

2.2.1 Keselamatan dalam Pengoperasian Mesin

Apply force slowly and evenly; do not apply force suddenly or pry on the equipment housing, to avoid damaging the test fixture or causing injury from bumps or impacts.

Saat menguji peralatan dengan tepi tajam, kenakan sarung tangan pelindung untuk mencegah luka akibat gerigi pada badan peralatan.

Perangkat uji adalah instrumen pengukuran presisi; jangan memukul, melempar, atau menggunakannya sebagai alat congkel.

During the test, do not point the test fixture at any part of the body to prevent mechanical injury while applying force.

2.2.2 Electrical Safety of the Equipment Under Test

Unless otherwise specified by special live-line testing requirements, prior to routine protection against accidental contact testing, the equipment under test must be disconnected from the main power source, and any energy-storing components, such as internal capacitors, must be fully discharged.

The test circuit must supply power to the live components under test only through the provided test power supply; connecting the equipment under test to the mains for testing is prohibited.

2.3 Tindakan Pencegahan Keselamatan untuk Perlengkapan Uji

Do not perform tests using forces that exceed the values specified in the standard, to avoid damaging the equipment under test or causing permanent deformation of the test fixtures.

Do not allow the device to come into contact with corrosive substances such as strong acids and strong alkalis, to prevent corrosion of metal parts and deterioration of the insulated handle.

3. Introduction to Test Fixtures

3.1 Diagram Standar

3.1.1 Hinge Test Finger (Test Fixture B)

See Figure 3-1 (taken from IEC 61032, Figure 2).

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3.1.2 Test Pin (Test Fixture 13)

See Figure 3-2 (taken from IEC 61032, Figure 9).

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3.1.3 Test Probe (Test Fixture 41)

See Figure 3-3 (taken from IEC 61032, Figure 16).

Gambar-3 3

3.1.4 Modified Test Fixture B

Structural Composition: The thrust transmission structure has been optimized based on the design of Test Specimen B. This test specimen features a circular stop plate with a diameter of 50 mm, which replaces the original non-circular stop plate. The dimensions and articulation of the finger are identical to those of Test Specimen B.

3.1.5 Test Nails

See Figures 3–4 (taken from IEC 60335, Figure 7).

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3.1.6 Thrust Test Finger (Test Fixture 11)

See Figures 3–5 (taken from IEC 60335, Figure 7).

Gambar-3 5

3.2 Foto Objek Sebenarnya

Lihat Gambar 3–6.

LISUN Pilih Model	Note
① SMT-PB	Hinge Test Finger (Test Specimen B)
② SMT-1213	Test Pin (Test Fixture 13)
③ SMT-1241	Test Probe (Test Fixture 41)
④ SMT-PBC	Modified Test Fixture B (Round Stop Plate)
⑤ SMT-335F7	Test Finger, comes with a 50N force gauge
⑥ SMT-1211	Thrust Test Finger (Test Fixture 11)

Gambar-3 6

3.3 Test Fixture Auxiliary Functions

3.3.1 With or without wires

When LLISUN series test fixtures are shipped, some models come standard with conductive test leads, while others are configured without leads.

To determine whether the live parts of the device under test are accessible, use the version with wires; if you are only verifying whether mechanical openings can be breached or whether hazardous mechanical parts are accessible, the version with wires is not required.

Before purchasing, users can specify whether they want this test fixture to include or exclude a cable based on their actual needs.

3.3.2 Does it come with a thrust meter?

Beberapa LISUN test fixtures come with a thrust gauge as standard, while others do not.

If the user already has a thrust gauge that meets the specifications, they may choose the model without a built-in thrust gauge. You may specify whether you want a built-in thrust gauge based on your actual needs. Note: The price may vary depending on whether the thrust gauge is included.

4. Test Specimen Testing Procedures

4.1 Persiapan Perangkat yang Akan Diuji

4.1.1 Konfirmasi Status

Verify that the enclosure of the device under test is intact and undamaged; all removable covers, knobs, fuse covers, and other components on the device must be properly installed in their normal operating positions; Disconnect all external power sources from the device under test and unplug the power cord; discharge any high-capacity capacitors and energy storage components inside the device to ensure there is no residual voltage; for devices with rechargeable batteries, remove the batteries or disconnect them.

4.1.2 Sample Pretreatment Requirements

The sample shall be left in the test environment for at least 2 hours to allow its temperature to reach equilibrium with the ambient temperature; for tests involving temperature rise, the test shall be conducted immediately after the temperature rise test.

4.1.3 Instalasi dan Pemasangan

Place or secure the equipment under test on the test bench in its normal operating condition, with all removable parts of the enclosure properly installed and fasteners tightened to their normal operating condition; if installation methods such as wall mounting or suspension need to be simulated, secure the specimen according to its actual operating conditions; Ensure that the sample does not shift or tip over due to the application of test forces during the test.

4.2 Persiapan Peralatan Bantu

4.2.1 Push-Pull Gauge

Used to precisely control the force applied during testing.

4.2.2 Safety Extra-Low-Voltage Power Supply

When used with a test fixture, this device triggers an audible and visual alarm upon contact with live parts. The LISUN SMT-529CV can be used to provide a test voltage of 40–45 V to simulate contact with fingers, tools, and metal wires; it is compatible with all types of test fixtures with wires. See Figure 4-1.

Jumlah	Note
①	Tampilan Tegangan Uji
②	Test voltage output, used to connect the test leads at the rear of the test fixture
③	Rangkaian tegangan uji; kabel yang digunakan untuk menghubungkan perangkat yang sedang diuji.

Gambar-4 1

4.3 Operation and Evaluation

For specific test procedures, please refer to the relevant sections of the standard for detailed requirements regarding operation and evaluation.

5. Pemeliharaan dan Perawatan Rutin Perlengkapan Uji

5.1 Pembersihan dan Perawatan Harian

Wipe away any dust or grease from the surface of the Test Finger using a clean, soft cloth.

Usap bagian logam dengan lembut menggunakan etanol anhidrat untuk menghilangkan noda dan sidik jari.

Bersihkan gagang yang terisolasi dengan deterjen ringan dan keringkan hingga benar-benar kering. Jangan gunakan pelarut kuat untuk membersihkannya.

Use a soft-bristled brush to remove dust from the joint gaps, and apply a small amount of neutral lubricating grease to keep the parts moving smoothly.

5.2 Penyimpanan dan Pemeliharaan Jangka Panjang

After completing routine cleaning and maintenance, apply a thin layer of rust-preventive oil to the metal surface, wrap it in rust-preventive paper, place a dust cover over it, and store it in a dry, well-ventilated warehouse.

The test fixtures must be stored in their designated storage box to avoid crushing or impact and prevent deformation.

5.3 Persyaratan Interval Kalibrasi

To ensure the measurement accuracy and operational reliability of the test equipment, it is recommended that it be sent periodically to a qualified third-party metrology laboratory for calibration. The recommended calibration interval is 12 months. Users may determine the specific calibration interval based on usage frequency, environmental conditions, and quality system requirements.

6. Pemecahan Masalah dan Penyelesaian Masalah Umum

Gejala Kesalahan	Kemungkinan penyebab	Prosedur
Kekakuan Sendi	Debu masuk ke ruang sendi	Bersihkan celah sambungan dengan etanol anhidrat, biarkan mengering di udara, lalu oleskan gemuk pelumas netral.
Poor electrical conductivity; abnormal results in the electric shock protection test	Kabel yang sudah tua atau longgar	Gunakan multimeter untuk mengukur resistansi antara Test Finger dari probe penguji dan terminal di ujung kabel. Jika resistansinya lebih besar dari 1 Ω, hal itu akan memengaruhi hasil pengujian; dalam hal ini, periksa kabel atau kembalikan unit ke pabrik untuk diperbaiki.