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Quality assurance capability
Quality Assurance Capability
TOPS's product quality and safety always revolve around the quality concept of "customer first, quality first", strictly following the requirements of ISO9001 quality management system to manage the supplier chain, design, incoming materials, process, shipment, and after-sales service, ensuring that each equipment can fully comply with national manufacturing standards, testing and inspection measurement standards, as well as industry national standards and testing standards.

1. Testing of electrical performance parameters of components

Equipment name Multimeter, AC/DC power supply, power meter voltage tester, surface resistance tester
Test purpose Ensure that the electrical performance of incoming parts and finished products meets the design requirements
Scope of coverage Switching power supply/isolation transformer/AC contactor/thermal relay/solid-state relay/air motor, etc
According to the standard Incoming Inspection Guidelines

2. Measurement of structural performance parameters of components

Equipment name Digital caliper, steel ruler, hundred grid knife, thickness gauge
Test purpose Ensure that the physical properties such as component size tolerances meet the design requirements
Scope of coverage Chassis/water tank/water tray/sample shelf/water cup/control panel
According to the standard Incoming Inspection Guidelines

3. Load&displacement&velocity accuracy calibration

Equipment name Standard weight/standard steel ruler/stopwatch
Test purpose Measure and verify that the load accuracy, displacement velocity, and other parameters of the mechanical equipment meet the design requirements
Scope of coverage Tensile testing machine, insertion and extraction force testing machine, drop testing machine
According to the standard GB/T16825-2008

4. Pressure holding leak detection test (refrigeration circuit)

Equipment name Nitrogen, pressure gauge, vacuum pump
Test purpose Verify that there are no leaks in the refrigeration pipeline and that the welding strength and compressive strength of the pipeline are sufficient
Scope of coverage High and low temperature chambers/high and low temperature humid heat chambers/cold and hot shock chambers/fast temperature change test chambers/high, low temperature, and low pressure test chambers
According to the standard GB/T11158-2008
GB/T10592-2008
GB/T10586-2006
GB/T10590-2006

5. Refrigerant filling and refrigeration pressure debugging

Equipment name Pressure gauge, current clamp gauge, refrigerant recovery machine, vacuum pump
Test purpose R404&R23 refrigerant metering and charging; Performance tuning of primary and secondary refrigeration pressure parameters
Scope of coverage High and low temperature chambers/high and low temperature humid heat chambers/cold and hot shock chambers/fast temperature change test chambers/high, low temperature, and low pressure test chambers
According to the standard GB/T11158-2008
GB/T10592-2008
GB/T10586-2006
GB/T10590-2006

6. Temperature and humidity performance testing of the test chamber

Equipment name Temperature and humidity recorder, T-type thermocouple, computer
Test purpose Temperature and humidity fluctuation/deviation/uniformity testing and verification (9-point measurement method); Verification of heating and cooling rate
Scope of coverage High and low temperature chambers/high and low temperature humid heat chambers/cold and hot shock chambers/fast temperature change test chambers/high, low temperature, and low pressure test chambers
According to the standard JJF1101-2019 Environmental Testing Equipment Temperature/Humidity Parameter Calibration Range
GBT5170.2-20178.5
GB/T11158-2008
GB/T10592-2008
GB/T10586-2006
GB/T10590-2006

7. Test box wind speed and noise testing

Equipment name Anemometer, noise meter
Test purpose Measure and verify the compliance of the airflow velocity, size, and direction inside the test chamber with the operating noise of the equipment
Scope of coverage High and low temperature chambers/high and low temperature humid heat chambers/cold and hot shock chambers/fast temperature change test chambers/high, low temperature, and low pressure test chambers
According to the standard GB/T11158-2008
GB/T10592-2008
GB/T10586-2006
GB/T10590-2006

8. Safety testing and verification of sealing effectiveness

Equipment name Voltage tester, insulation resistance shaker, voltage regulator; Sealing test paper
Test purpose Test and verify the compliance of the finished product test box with safety regulations, voltage resistance, insulation and sealing effects
Scope of coverage High and low temperature chambers/high and low temperature humid heat chambers/cold and hot shock chambers/fast temperature change test chambers/high, low temperature, and low pressure test chambers
According to the standard GB/T11158-2008
GB/T10592-2008
GB/T10586-2006
GB/T10590-2006

9. Overall performance and aging testing

Equipment name Temperature and humidity recorder, T-type thermocouple, laptop computer
Test purpose Test and verify the overall compliance of the basic performance parameters, fault safety alarm function, safety performance, and customer specific requirements of the entire machine
Scope of coverage High and low temperature chambers/high and low temperature humid heat chambers/cold and hot shock chambers/fast temperature change test chambers, etc
According to the standard JJF1101-2019 Environmental Testing Equipment Temperature/Humidity Parameter Calibration Range
GBT5170.2-20178.5
GB/T11158-2008
GB/T10592-2008
GB/T10586-2006
4GB/T10590-2006
Quality System and Safety Certification
Tel: 86-755-26478771
Email: jon.zhang@sztops.cn
Web site: http://www.sztops.cn
Address: Building A, No. 222 Xiangshan Avenue, Luotian Community, Yanluo Street, Bao'an District, Shenzhen
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