Baijian Testing is a third-party testing agency that provides enterprises with relevant CNAS, CMA, CAL and other qualification certification testing reports. We always take the enterprise as the first and customer as the center, carry out testing work under strict procedures, provide customers with product testing and quality control solutions, and wholeheartedly provide scientific and scientific inspection, research and development analysis services for our customers

Report qualifications: CNAS, CMA, CAL, etc.

Testing costs: quoted based on customer needs and experimental complexity

Sample size: Select to send samples or visit according to sample size

Testing items:

Exchange efficiency, internal air leakage rate, condensation, start-up and operation, noise, appearance, external air leakage rate, grounding resistance, effective air exchange rate, marking packaging, leakage current, water insulation resistance, wet heat test, motor winding temperature rise, electrical strength.

, Insulation resistance, air volume, outlet total pressure, static pressure loss, input power, air volume, static pressure loss, outlet total pressure and input power, packaging markings, condensation and condensate, appearance inspection, external residual pressure, input power, net fresh air supply rate, partial parameters, static pressure loss, air volume, all parameters, start-up and operation tests, air volume, outlet total pressure, static pressure loss, input power tests, static pressure loss/outlet total pressure, outlet total pressure, markings, manufacturing requirements, Performance requirements, start-up and operation, grounding resistance measurement, water insulation resistance test, electrical strength test, leakage current test, external air leakage rate test, effective air exchange rate test, exchange efficiency test, motor winding temperature rise test, insulation resistance test, internal air leakage rate test, condensation test, noise test, packaging, fresh air volume of the device, total pressure at the outlet of the device, exhaust air volume of the device, static pressure loss or external residual pressure

Detection standards:

1 GB/T 21087-2020 Air Air Energy Recovery Device GB/T 21087-2020

2. GB/T 21087-20207.20 Heat Recovery Fresh Air Unit

3. ANSI/ASHRAE Standard 84-2013 Test Methods for Air to Air Heat/Energy Heat Exchangers

4. GB/T 21087-2007 Air to Air Energy Recovery Device GB/T 21087-2007

5. GB/T 21087-20076.2.12 Air to Air Energy Recovery Device

6 GB/T 21087-2007 Air Air Energy Recovery Device (6.2.16)

7. GB/T 21087-20076.2.15 Air Air Energy Recovery Device

8. GB/T 21087-20076.2.16 Air Air Energy Recovery Device

9. GB/T 21087-20076.2.17 Air Energy Recovery Device

10. GB/T2423.3-2016 Environmental Testing for Electrical and Electronic Products Part 2: Test Methods Test Cabs: Constant Damp Heat Method

11 GB/T21087-2026.2.17 Heat Recovery Fresh Air Unit

12, GB/T 21087-20076.2.1 Startup and Operation

13, GB/T21087-2007.2.7 Air Air Energy Recovery Device

14, GB/T21087-2020 Heat Recovery Fresh Air Unit

15, GB/T 21087-20076.2.2 Air Volume

16, GB/T21087-2007.2.1 Air Air Energy Recovery Device

17, GB/T21087-207 Appendix G Noise

18 GB/T21087-2020 Appendix C Appendix F Appendix G Heat Recovery Fresh Air Unit

19. GB/T21087-2007 "Air Air Energy Recovery Device" (6.2.6, Appendix E)

20. GB/T21087-2007.19 Heat Recovery Fresh Air Unit

The role of the testing report:

1. Project bidding: issue authoritative third-party CMA/CNAS qualification reports 2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to reassure consumers 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production process problems