TÜV Rheinland Product Test Report

1.1 Test Facilities

Laboratory: TÜV Rheinland (Shanghai) Co., Ltd.

Address: Workshop14, North Half of Workshop 10 and Workshop 16, Pingqian (Taicang) Modern Industrial Park, No.525, Yuewang Lingang South Road, Shaxi, Taicang, Jiangsu, China

The test equipment used is in accordance with CISPR 16-1 series standards for measurement of radio interference.

Refer to Clause 7 for test and measurement instruments.

2.1 Product Function and Intended Use

The EUT (equipment under test) is an ordinary self-ballasted LED lamp for lighting and similar use. For further information, refer to the user's manual.

2.2 Ratings and System Details

Rated input: AC 120 V, 60 Hz, 26 mA

Rated power: 2.4 W

2.3 Independent Operation Modes

The basic operation modes are: "ON" and "OFF". The test modes were:

• Mode 1: Lighting on with maximum lighting output via dimmer.
• Mode 2: Lighting on with minimum lighting output via dimmer.

2.4 Description of Interconnecting Cables

N/A

2.5 Noise Generating and Noise Suppressing Parts

Refer to the circuit diagram for further information.

2.6 Highest Frequency Generated or Used

The highest frequency used in the EUT is 75 kHz.

2.7 Submitted Documents

Circuit diagram, user's manual, and rating label.

3.1 Principle of Configuration Selection

Emission tests were configured to measure the highest possible emission level. Test conditions were adapted according to instructions for use. Conducted emission tests were performed on 2025-02-18, and radiated emission tests were performed on 2025-02-13.

3.2 Equipment and Cable Arrangement

Block diagrams for conducted and radiated emission tests are provided below:

Conducted Emission Block Diagram:

The setup includes the EUT, LISN (Line Impedance Stabilization Network), EMI receiver, Computer, Transformer, and Power Supply, with connections indicating the measurement path.

Radiated Emission Block Diagram:

The setup shows the EUT placed on a support, an antenna for receiving emissions, and indicates the test distance (3m) and height variation (1-4m).

Refer to photographs in Clause 6 for test setups.

3.3 Test Software

No special test software was used during the tests.

3.4 Special Accessories and Auxiliary Equipment

During the EMI tests, a dimmer (model: ICDL-20NA-BI-2; brand: IKEA) was used.

3.5 Countermeasures to Achieve EMC Compliance

No other special measures were employed to achieve compliance.

5.1 Emission in the Frequency Range up to 30 MHz

5.1.1 Conducted Emission

Result: Passed

Date of testing: 2025-02-18

Test procedure: FCC 47 CFR Part 15, Subpart B:2023, ICES-005:2018, ANSI C63.4-2014 and CISPR 16-2-1

Frequency range: 0.15 – 30 MHz

Limits:

• Quasi-peak limit: 0.15–0.5 MHz: 66 to 56 dBμV (decreasing with frequency); 0.5–5 MHz: 56 dBμV; 5–30 MHz: 60 dBμV.
• Average limit: 0.15–0.5 MHz: 56 to 46 dBμV (decreasing with frequency); 0.5–5 MHz: 46 dBμV; 5–30 MHz: 50 dBμV.

Bandwidth of EMI receiver: 9 kHz

Measurement time: 1 s

Kind of test site: Shielded room

Input voltage: AC 120 V, 60 Hz

Operational mode: Mode 1 (max brightness), Mode 2 (min brightness)

Ambient condition: Temperature: 23.1 °C; Relative humidity: 46.4%

Expanded measurement uncertainty (k=2): 2.33 dB

The minimum margin to the limit is 7.58 dB at 0.152250MHz. The margin is higher than expanded measurement uncertainty.

The measurement setup was made according to ANSI C63.4-2014 in a shielded room. The tested object was set up on a wooden support, 0.8 m away from the AMN. The excess cord was folded to form a bundle between 0.3 m and 0.4 m. The disturbance voltage test was performed on the neutral and phase lines of the power supply.

Spectral Diagrams and Measurement Results:

The spectral diagrams illustrate the conducted emission levels versus frequency for different modes and lines, showing Quasi-Peak (QP) and Average (Avg) measurements against the defined limits. The tables provide detailed numerical results.

Mode 1, Line L1

Figure 1: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, L, Mode 1

Mode 1, Line N

Figure 2: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, N, Mode 1

Mode 2, Line L1

Figure 3: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, L, Mode 2

Mode 2, Line N

Figure 4: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, N, Mode 2

5.2 Emission in the Frequency Range above 30 MHz

5.2.1 Radiated Emission (30-1000 MHz)

Result: Passed

Date of testing: 2025-02-13

Test procedure: FCC 47 CFR Part 15, Subpart B:2023, ICES-005:2018, ANSI C63.4-2014 and CISPR 16-2-3

Product classification: Class B

Frequency range: 30 – 1000 MHz

Limits (3 m distance):

• 30 – 88 MHz: 40 dBuV/m
• 88 – 216 MHz: 43.5 dBuV/m
• 216 – 1000 MHz: 46 dBuV/m

Bandwidth of EMI receiver: 120 kHz

Measurement time: 1 s

Kind of test site: Semi-anechoic chamber

Input voltage: AC 120 V, 60 Hz

Operational mode: Mode 1 (max brightness), Mode 2 (min brightness)

Ambient condition: Temperature: 22.4 °C; Relative humidity: 45.2 %

Expanded measurement uncertainty (k=2): 5.40 dB

The minimum margin to the limit is 12.0 dB at 30.363750 MHz. The margin is higher than expanded measurement uncertainty.

The radiated disturbance test was carried out in a semi-anechoic chamber with a test distance of 3 m. The EUT was placed on an 80 cm wooden support and rotated 360°. The antenna height was varied from 1 m to 4 m. Tests were performed with both horizontal and vertical antenna polarizations.

Spectral Diagrams and Measurement Results:

The spectral diagrams show the radiated emission levels versus frequency. The tables provide detailed numerical results for Quasi-Peak measurements.

Mode 1, Horizontal Polarization

Figure 5: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Horizontal polarization, Mode 1

Mode 1, Vertical Polarization

Figure 6: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Vertical polarization, Mode 1

Mode 2, Horizontal Polarization

Figure 7: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Horizontal polarization, Mode 2

Mode 2, Vertical Polarization

Figure 8: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Vertical polarization, Mode 2

6 Photographs of the Test Set-Up

Refer to the test setup file.

7 List of Test and Measurement Instruments

8 List of Figures

• Figure 1: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, L, Mode 1
• Figure 2: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, N, Mode 1
• Figure 3: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, L, Mode 2
• Figure 4: Spectral Diagrams, Conducted Emission, 150 kHz – 30 MHz, N, Mode 2
• Figure 5: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Horizontal polarization, Mode 1
• Figure 6: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Vertical polarization, Mode 1
• Figure 7: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Horizontal polarization, Mode 2
• Figure 8: Spectral Diagrams, Radiated Emission, 30 MHz – 1000 MHz, Vertical polarization, Mode 2

Remarks

1. All test equipment used was calibrated according to our laboratory calibration program and meets relevant standards. Traceability is ensured by our management system. Detailed information on test conditions, equipment, and measurement uncertainty is available upon request.
2. This document is digitally signed. TÜV Rheinland has not verified, and is not responsible for verifying, any legal or other requirements applicable to this document. Verification of digital signature validity can be requested separately from the Sales department, subject to an environmental fee. Information on verifying document authenticity is available at go.tuv.com/digital-signature.
3. Test clauses marked with * were subcontracted. Deviations from specifications or customer requirements are listed in the respective test clause.
4. The decision rule for conformity statements is based on the "Zero Guard Band Rule" and "Simple Acceptance" (ILAC G8:2019, IEC Guide 115:2021). Measurement uncertainty is not taken into account.

Revision History

Report number: CN25NN4Y 001

Issue date: 2025-03-04

Contents: Initial release.