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The flammable mixed gas testing device uses this contact device to close or disconnect the test circuit and check whether sparks will ignite the tested gas or mixture; The experimental setup includes an ignition chamber and a contact device.
Demasheng Measurement produces spring-driven impact testing apparatus in China. This reliable equipment is designed to evaluate material durability and performance under impact conditions. We supply cost-effective solutions for product testing and quality assurance.
The performance indicators of the humidity chamber comply with the requirements of GB5170, 2, 3, 5, 6-95 “Basic Parameter Calibration Methods for Environmental Testing Equipment of Electrical and Electronic Products - Low Temperature, High Temperature, Constant Damp Heat, and Alternating Damp Heat Testing Equipment“ Basic Environmental Testing Procedures for Electrical and Electronic Products - Test A: Low Temperature Test Method GB 2423.1-89 (IEC68-2-1) Basic Environmental Testing Procedures for Electrical and Electronic Products - Test B: High Temperature Test Method GB 2423.2-89 (IEC68-2-2) Basic Environmental Testing Procedures for Electrical and Electronic Products - Test Ca: Constant Damp Heat Test Method GB/T 2423.3-93 (IEC68-2-3) Basic Environmental Testing Procedures for Electrical and Electronic Products - Test Da: Alternating Damp Heat Test Method GB/T423.4-93 (IEC68-2-30)
Electric Fan Energy Efficiency Laboratory Floor Fan Airflow Measurement Laboratory Basis IEC 60879 1986 Corr 1992 Performance and construction of electric circulating fans and regulatiors The laboratory requirements specified inside will meet the testing requirements for fans such as table fans, floor fans, and ceiling fans.
IEC 60312-1 European Standard Alternative B Vacuum Cleaner Performance Test Bench System overview: The vacuum cleaner performance test bench is designed and manufactured in accordance with IEC 60312-1 IEC:2010+A1:2011(E) clause 7.3 and 7.3.7.3 and other regulations and requirements. Special test equipment for vacuum cleaner air data. The main test parameters are the vacuum cleaner's voltage (U), current (I), input power (P1), power factor (with AC, without DC), suction power (P2), air volume (Q), vacuum (H) and efficiency (N). The test system uses the electrical parameter meter to test the electrical performance parameters of the vacuum cleaner (using digital synchronous sampling technology to accurately measure voltage, current, power, and true effective value of power factor parameters). Flow rate and vacuum degree sensor and secondary instrument form test system and output parameters (suction power, flow rate, vacuum degree) and efficiency. Equipped with a PC computer and a control system to automatically test the data parameters of each orifice plate of the vacuum cleaner, all test data can be drawn into curves and queried, and reports, curves, and test reports can be saved and printed.
The performance testing method for household vacuum cleaners is that the vacuum cleaner performance testing bench is manufactured in accordance with GB/T20291.1, IEC60312, IEC62885, F431-21 \ F558-17 standards (national standard, European standard, American standard). The testing parameters for the vacuum cleaner performance testing bench are the voltage, current, input power, power factor, suction power, speed, flow rate, vacuum degree, and efficiency of the vacuum cleaner.
1、 Introduction to the experimental cabin This test chamber can be used to test the removal efficiency of purifiers on particulate matter, gaseous pollutants, and microorganisms in the air. Used to evaluate technical indicators such as purification efficiency, purification level, and purification life of products. 2、 Design reference standards GB/T 18801-2022 “Air Purifiers“ GB 21551.3-2010 “Special Requirements for Antibacterial and Sterilization Function Air Purifiers for Household and Similar Electrical Appliances“
The performance testing method for household vacuum cleaners is that the vacuum cleaner performance testing bench is manufactured in accordance with GB/T20291.1, IEC60312, IEC62885, F431-21 \ F558-17 standards (national standard, European standard, American standard). The testing parameters for the vacuum cleaner performance testing bench are the voltage, current, input power, power factor, suction power, speed, flow rate, vacuum degree, and efficiency of the vacuum cleaner.
According to the technical specifications of BS EN IEC 60879:2019 and GB/T13380-2015; The software retains the testing function of GB13380-2018 unchanged, while adding BS EN IEC60879:2019 tower fan testing function and reporting function
The vacuum cleaner air performance test bench is manufactured in accordance with relevant testing standards such as GB/T20291.1, IEC60312, IEC62885 (national and European standards). The test parameters of the vacuum cleaner performance test bench include the voltage, current, input power, power factor, suction power, speed, flow rate, vacuum degree, and efficiency of the vacuum cleaner.
The vacuum cleaner hose torsion test machine is designed and manufactured according to the requirements of Article 21.104 of GB4706.7-2008 and GB4706.61-2008 standards, as well as IEC60335-2-2 and IEC60335-2-54 standards. During the test, the hose is fixed on the horizontal axis of the device, and the horizontal rotation axis is rotated forward by 5 turns and then backward by 5 turns, with a cycle test of 2500 times. After the test is completed, the sample is subjected to electrical strength test.
The testing machine meets the requirements of clause 1.102 in GB4706.7-2008, GB4706.61-2008 standards, specifications in Figure 101, as well as IEC60335-2-2 and IEC60335-2-54 standards.
About Us
Shenzhen Demaisheng Measurement and Control Equipment Co., Ltd. is located in Nanshan Industrial Park, Shenzhen. It is an instrument manufacturing enterprise that integrates scientific research, manufacturing, and consulting services. It specializes in researching and producing testing equipment that meets IEC, UL, GB, and other standards. Simultaneously undertake laboratory system integration projects for professional testing institutions and product manufacturers. The company aims to create high-quality testing equipment for Chinese laboratories, and has established an independent research and development center, introducing international high-tech talents. And adopting creative design concepts, with sensor data acquisition technology as the guide, computer control technology as the leading, imported high-precision and low-noise transmission devices as the core, more than 160 products in the fourteen major series have been developed. The strict and efficient manufacturing department of Demai Sheng provides strong support for the output of products. From material selection, to incoming material inspection, to production process control, to quality testing, we strive to be meticulous in every aspect and strictly follow standardized procedures. Our company's products have all passed ISO9001 quality system certification in order to provide customers with safer products. DeMaiSheng Company's customers in the domestic market include: Entry Exit Inspection and Quarantine Bureau, Technical Supervision Bureau, Product Quality Supervision and Inspection Research Institute, UL Laboratory, TUV (Rheinland), SGS (SGS), and various electronic and electrical production factories. The company's products are exported to the international market and agents have been established in regions and countries such as Hong Kong, Vietnam, Singapore, Thailand, Iran, India, and Germany. Service is an essential element in enhancing a company's competitiveness, and the people of Demaisheng always strive to improve the level and value of our services. In pre-sales, we have a professional engineering team to provide customers with consulting and customized services; In terms of after-sales service, we have a professional after-sales team to provide customers with timely and satisfactory technical support and product maintenance. With outstanding product competitiveness and comprehensive services, the company has successfully won the trust of numerous customers. Relying on our technological progress, we continuously improve efficiency and product quality, and continue to adhere to serving the market with high-quality products.
2009Year
Company incorporation1Million
Registered capital365Day
Attentive service to customers24Hour
Customer Service: Careful and attentiveNews
The industrial fan air volume laboratory is the core infrastructure for fan performance testing, energy efficiency verification, and product development, and its construction quality directly affects the accuracy of test data. A compliant and efficient laboratory needs to go through multiple key stages, including scientific planning, standard compliance, equipment selection, system integration, and qualification certification.
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The air purifier test chamber is the core equipment for evaluating the key performance of purifiers, such as clean air volume (CADR) and pollutant removal rate. The accuracy of its test results is directly related to product rating and market access. Among various influencing factors, the airtightness of the testing chamber is a fundamental condition for ensuring the reliability of experimental data. Once there is a leak, it will cause systematic deviation in the detection results.
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As a combination of aerodynamics and cleaning technology, the performance of a vacuum cleaner directly depends on core parameters such as air flow rate, vacuum degree, suction power, and filtration efficiency. As a key tool for quantifying these indicators, vacuum cleaner air performance testing equipment provides scientific basis for product development and quality control through precise airflow control, pressure measurement, and data acquisition technology. Its core technical principles can be broken down into four major modules:
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The horizontal and vertical combustion tester is the core equipment for evaluating the flame retardant performance of materials, and the accuracy of its test results directly affects the determination of the material's fire rating. To ensure the long-term stable operation of the instrument and meet standard requirements, calibration, daily maintenance, and troubleshooting are key steps.
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As the core equipment for testing the flame retardancy of materials, the horizontal and vertical combustion tester is designed to integrate precision, safety, and intelligence, meeting the needs of multiple standard testing while improving operational efficiency and data reliability. Here are several core design highlights:
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