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10. Accessibility of live parts 10.1 Live parts of plugs shall not be accessible when the plugs are wired as in normal use and in full engagement in a corresponding socket-outlet. Removal of detachable fuse carriers shall not result in live parts becoming accessible when the plug is in full engagement with the socket-outlet or the socket-outlet portion of an adaptor. 10.1.1 Conformity shall be checked by the application of test probe 12 of BS EN 61032:1998 applied with a force of 5N with rewirable plugs fitted with a 2-core flexible cable as given in BS EN 50525-2-71:2011 and non-rewirable plugs as supplied. Detachable fuse carriers shall be removed before this test is undertaken. 10.2 Plugs shall be designed and constructed so as to protect the user against accidental contact with live parts during insertion or withdrawal of plugs. 10.2.1 Conformity shall be verified by satisfying the dimensional and gauging requirements of this part of BS 1363. 10.3 Resilient covers of plugs shall be
1 General 1.1 Scope and object This International Standard(IEC61032) specifies details and dimensions of test probes intended to verify the protection provided by enclosures with regard to: – protection of persons against access to hazardous parts inside the enclosure; – protection of the equipment inside the enclosure against ingress of solid foreign objects. SMT 1214_AL The object of this International Standard is: – to bring together in one publication object probes and access probes currently specified in other standards, together with any necessary new probes; – to guide technical committees in the selection of test probe; – to encourage those concemed to specify test probes in accordance with those already specified in this International Standard rather than modify details and dimensions; – to limit the further proliferation of types of test probe. 1.2 General recommendations When selecting probes, priority should be given to IP code probes. The use of other probes, particular
A set of three sample pins shall be tested by means of the apparatus shown in Figure 10 which has a blade 0.70+005mm wide and a radius of 3 mm ±0.1 mm. The test shall be made on one pin of each plug not used for the test described in 13.17.3. A sample shall be positioned as shown in Eigure 10 and the test apparatus shall be loaded so that the blade exerts a force of 2.5N on the sample. The test apparatus, complete with sample, shall then be placed in a heating cabinet at 200℃ for a period of 120min, after which the sample is removed and immediately cooled by immersion in water at approximately room temperature. The thickness of the insulation remaining at the point of impression shall be measured and shall not have been reduced by more than 50%. Switches shall be so constructed that undue arcing cannot occur when the switch is operated slowly. The switch in any switched fused plug shall disconnect at least the supply to the line terminals. Double pole switches shall make or break each
1 General 1.1 Scope 1.1.1 Equipment covered by this standard This standard is applicable to mains-powered or battery-powered information technology equipment, including electrical business equipment and associated equipment, with a RATED VOLTAGE not exceeding 600 V and designed to be installed in accordance with the Canadian Electrical Code.Part1.CSA C22.1 12:General Requirements-Canadian ElectricalCode.Part 11.CSA C22.2 No.0-10:the National Electrical Code.NFPA 70-2014: and the National Electrical Safety Code,IEEE C2-2012. The standard is also applicable to equipment. unless otherwise identified by a marking or instructions. designed to be installed in accordance with Article 645 of the NationalElectrical Code.ANSI/NFPA 70. and the Standard for the Protection of Information Technology Equipment.NFPA 75-2013. See Annex NAE for examples of and references to regulatory requirements that apply to this equipment. This standard is also applicable to such information technology equipment: –
Assembly Security Test A flush receptacle having a 5-15R,5-20R,6-15R, or 6-20R configuration is to be mounted in the fixture described in Figure 124.1, and 50 lbf (220 N) is to be applied, as shown in Figure 124.2, for a period of 10 s by means of a push-out tool inserted into the slots of the receptacle. The push-out tool required for configuration 5-15R is to be as shown in Figure 124.3. The tool used for configurations 5-20R, 6-15R, and 6-20R is to have the same design but is to be modified to fit the slots. For a single receptacle, the push-out tool (see Figure 124.3) is to be modified to have a single set of blades. Receptacle Test Fixture of UL 498 Figure 124.1 Exception: A self-contained receptacle having a 5-15R, 5-20R,6-15R, or 6-20R configuration shall instead be subjected to the Assembly Security Test, Section 174. There shall not be any mechanical breakage of the receptacle that exposes live parts or separation of the face and body by more than1/16 Inch (1.6 mm), measured a
Performance configuration of colorimeter: 1. “You need to know which colorimeter is suitable for your industry, and the requirements for color difference accuracy are different for each industry, that is, △ Eab. If △ Eab is between 0-1, you must choose an instrument with higher accuracy;”; These are generally rubber and plastic, paint and paint industries; If you do not need a relatively high accuracy, you can also choose a general color difference instrument. 2. You need to understand the shape of your product. Currently, the test aperture of the general color difference instrument is 4mm or 8mm; If your product has a curved surface or is very small in size, it is necessary to consider the issue of the test aperture; Of course, it can also be customized, such as: Large aperture (LAV): 2.54 cm (1 inch) Medium aperture (MAV): 1.5 cm (0.6 inches) Small aperture (SAV): 0.75 cm x 1.0 cm (0.3 inches x 0.4 inches) Ultra Small Aperture (VSAV): 0.3 cm x 0.8 cm (0.12 inches x 0.31 inches) 3. Is
The ipx9k High Temperature Pressure Jet Waterproof Test Chamber is characterized by a waterproof grade of 9, indicating high temperature and high pressure water spraying, and spraying high temperature and high pressure water in various directions of the shell for water spraying test. In addition, k represents a function of pressurization, and under such strict conditions, its water pressure will become stronger. The ipx9 is currently a high level of waterproof protection. The IPx9 High Temperature Pressure Jet Waterproof Test Chamber is also widely used in fields such as LED lighting fixtures, display screens, household appliances industry, automobiles, and automotive accessories. At the same time, all dust and waterproof equipment can be customized according to user needs. The ipx9k High Temperature Pressure Jet Waterproof Test Chamber has four different vertical spray angles, namely 0 °, 30 °, 60 °, and 90 °, and the water pressure can reach 8000 to 10000 Kpa; Moreover, its testing r
What Is A Bulk Current Injection: High current injection is a testing technique in automotive electronics used to verify whether a product will experience functional degradation or exceed tolerance limits when subjected to electromagnetic interference of different frequency ranges. This test is commonly encountered in EMC testing for automotive electronics, as in actual vehicle scenarios, the connecting cables for different onboard components are often bundled together. This leads to the coupling of electromagnetic interference signals of different frequencies, which in extreme cases, can result in failure of the affected components, posing a risk to the safety of the vehicle. Hence, the purpose of high current injection testing is to simulate the injection of RF signals onto the power or signal lines of the product being tested in order to verify whether its function will degrade or its performance indicators will remain within tolerance limits. High current injection testing is a com
Rapid temperature change test chamber: Suitable for aerospace, information electronics, instrumentation, materials, electrical, electronic products, and various vital parts to judge whether parameters such as reliability, machine stability, and performance are qualified in high and low temperature or humid heat environments, and will be provided to The basis for you to predict and improve product quality and reliability. The rapid temperature change test chamber is divided into three parts: high temperature area, low temperature area and test area. It adopts the original Japanese Youyi control brand temperature instrument, Chinese and English display control system; it has a fully automatic and high-precision system. Any part of the movement is completely controlled by P.L.C. Locking processing; automatic circuit and warning signal when the parts fail; emergency stop device when the input voltage is unstable. The heating and cooling humidification system of the test chamber is independ
The high and low temperature shock test chamber is the necessary testing equipment for metal, plastic, rubber, electronics and other material industries. It is used to test the material structure or composite material. Detect the chemical change or physical damage of the sample caused by thermal expansion and contraction in the shortest time. The high and low temperature shock test is used to assess the adaptability of the product to the sharp change of the ambient temperature. It is an indispensable test in the identification test of the equipment design and the routine test in the batch production stage. In some cases, it can also be used for environmental stress. screening test. It can be said that the frequency of application of the thermal shock test chamber in verifying and improving the environmental adaptability of equipment is second only to vibration and high and low temperature tests. The high and low temperature shock test chamber is divided into three-chamber type and two-
The spectrophotometer uses the grating spectrophotometer principle for color measurement. A grating is an optical element that is engraved with a set of parallel periodic lines or grooves (often inclined) on a plane. When a beam of compound light is incident on the grating plane, its periodic structure will undergo diffraction, and the transmitted or reflected diffraction light will also interfere. The energy of the light will be redistributed, and different wavelengths of light will travel in different directions, forming a specific wavelength superposition extremum at a certain position, thereby achieving light splitting. Spectroscopic colorimeters can produce spectral curves, which are equivalent to a color’s ID card and are unique. Therefore, the color data read by the spectrophotometer is absolutely accurate. The role of spectrophotometer in colorimetry: The chemical industries such as textiles, printing and dyeing, petroleum, and batteries often generate a lot of industrial waste
High and Low Temperature Thermal Shock Chamber are used in electronic and electrical components, automation components, communication components, automotive parts, metals, chemical materials, plastics and other industries, as well as in the physical changes of national defense industry, aerospace, military industry, BGA, PCB base plates, electronic chip ICs, semiconductor ceramics, and polymer materials,
Testing the repeated tensile force of its materials against high and low temperatures and the chemical change or physical damage produced by the thermal expansion of the product can confirm the quality of the product. It can be used from precision IC to heavy machinery components, and is an indispensable test chamber for product testing in various fields.
The High and Low Temperature Shock Test Chamber for Your Testing Needs simulates the alternating changes of high and low temperature environments, exposing products to problems in harsh environments. It is a very important testing
The spectrophotometer uses the grating spectrophotometer principle for color measurement. A grating is an optical element that is engraved with a set of parallel periodic lines or grooves (often inclined) on a plane.
When a beam of compound light is incident on the grating plane, its periodic structure will undergo diffraction, and the transmitted or reflected diffraction light will also interfere. The energy of the light will be redistributed, and different wavelengths of light will travel in different directions, forming a specific wavelength superposition extremum at a certain position, thereby achieving light splitting.
Spectroscopic colorimeters can produce spectral curves, which are equivalent to a color's ID card and are unique. Therefore, the color data read by the spectrophotometer is absolutely accurate. I. The role of spectrophotometer in colorimetry:
The chemical industries such as textiles, printing and dyeing, petroleum, and batteries often generate a lot of ind
Drop Testing Standards: GB/T2423.8, ISTA, IEC60068-2-32, GB/T4857.5, GJB150, IEC60068-2-27 1. Application and Purpose of Drop Testing Machines: With the rapid development of the logistics industry, paper boxes and packaging materials often suffer from collisions and falls during transportation. Drop testing machines are mainly used to simulate the impact of falls on packaging materials during transportation and handling, to evaluate the impact resistance of packaging materials and the validity of packaging design. Drop testing machines are widely used in areas such as commerce, inspection, enterprises, technical supervision agencies, and schools. They can perform face drops, corner drops, and edge drops. By simulating falls at different angles and heights, the damage of the product can be understood, and the maximum height and impact resistance during a fall can be evaluated. Based on the results of the test, packaging design can be improved and perfected to enhance the protective perf
A spectrophotometer is an instrument used to measure the reflected spectral power and light characteristics of objects to determine their standard color values. However, measurement results can vary due to differences in color difference calculation methods and light source selection. Therefore, it is crucial to carefully select appropriate color difference formulas and light sources when using a spectrophotometer. A spectrophotometer is typically used to measure color characteristics and reflectance of objects, providing various numerical values to describe the color and color difference of objects. Here are the values that a spectrophotometer can generally measure: • Tristimulus Values: Measures the reflected light intensity of objects at different wavelengths, calculating the RGB tristimulus values perceived by the human eye. • Chromaticity Coordinates: Computes chromaticity coordinates based on measured tristimulus values, often represented as xyY or Lab coordinates. These coordi
The rapid temperature change test chamber is suitable for “safety testing of electrical components and provides reliability testing, product screening testing”, and can also “improve product reliability and quality control” through this equipment, Its test chamber is used as a commonly used testing equipment in fields such as aviation, automobiles, home appliances, and scientific research. However, it assesses and determines the parameters and performance of products such as electricians, electronics, automotive appliances, and materials, as well as their suitability for use when subjected to temperature and environmental impact changes during high and low temperature tests. Design features of rapid temperature change test chamber: The functions of the rapid temperature change test chamber include: high-precision system circuit, complete P.L.C locking treatment for any component action, and all use P.I.D automatic calculation control, resulting in high temperature control accuracy. And