Test Report

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Test Report

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LAB                          /                                                                    REPORT No.:TRRFCC19—0029
                                                                                                                      Total 18 pages




                                 RF TEST REPORT
                                  Test Equipment              :   HYDROGEN MINI

                                  Model Name                  :   _DHW—9100A

                                  Variant Model Name          :   —

                                  FCC ID                      :_2ATF3DHW—9100A

                                  Date of receipt             :   2019.05.10

                                  Test duration               :   2019.08.13 ~2019.08.26

                                  Date of issue               :   2019.09.03


       Applicant                   :    Dagaga Co., Ltd.
                                        510ho, 30 jeonpa—ro, Manan—gu, Anyang—si, Gyeonggi—do, South Korea




       Test Laboratory             _:   Lab—T, Inc.
                                        2182—42 Baegok—daero, Mohyeon—myeon, Cheoin—gu, Yongin—si
                                        Gyeonggi—do 17036, South Korea


                                                              FCC CFR Title 47 Part 15 Subpart C 15.203
                                 Test specification       :   FCC CFR Title 47 Part 15 Subpart C 15.207
                                                              FCC CFR Title 47 Part 15 Subpart C 15.209
                                 Test result              :   Pass




                      The above equipment was tested by Lab—T Testing Laboratory for compliance
                                   with the requirements of FCC Rules and Regulations.
             The test results presented in this test report are limited only to the sample supplied by applicant
                              and the use of this test report is inhibited other than its purpose.
                This test report shall not be reproduced except in full, without the written approval of Lab—T, Inc


  Tested by:                       a                                                Reviewed by:




  Engineer                                                                         "Technical Manager
  Namhyoung Kwon                                                                    SangHoon Yu

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                                                                                                                                                         REPORT No.:TRRFCC19-0029
                                                                                                                                                                      Total 18 pages



                                                                                   CONTENTS

 1.       Applicant Information.................................................................................................................................... 3


 2.       Laboratory Information ................................................................................................................................. 3


 3.       Information About Test Equipment ............................................................................................................ 4


      3.1 Equipment Information.......................................................................................................................................................... 4
      3.2 Antenna Information .............................................................................................................................................................. 4
      3.3 Tested Companion Device Information .......................................................................................................................... 4

 4.       Test Report ...................................................................................................................................................... 5


      4.1 Summary ...................................................................................................................................................................................... 5
      4.2 Measurement Uncertainty .................................................................................................................................................... 5
      4.3 Test Report Version................................................................................................................................................................. 5
      4.4 Test Report ................................................................................................................................................................................. 6
          4.4.1 20 dB Bandwidth .............................................................................................................................................................. 6
          4.4.2 Radiated Emission ............................................................................................................................................................ 7
          4.4.3 Conducted Emission ..................................................................................................................................................... 14
          4.4.4 Antenna Requirements ................................................................................................................................................ 16

 APPENDIX I ............................................................................................................................................................ 17




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 1. Applicant Information
    Applicant          : Dagaga Co., Ltd.

    Address            : 510ho, 30 jeonpa-ro, Manan-gu, Anyang-si, Gyeonggi-do, South Korea

    Telephone No.      : +82-31-8068-5594
    Person in charge   : Dagaga_1@naver.com


    Manufacturer       : Dagaga Co., Ltd.
    Address            : 510ho, 30 jeonpa-ro, Manan-gu, Anyang-si, Gyeonggi-do, South Korea




 2. Laboratory Information
    Test Laboratory    :   Lab-T, Inc.
                           2182-42 Baegok-daero, Mohyeon-myeon, Cheoin-gu, Yongin-si
    Address            :
                           Gyeonggi-do 17036, South Korea
    Telephone No.      :   +82 31-322-6767

    Facsimile No.      :   +82 31-322-6768

    Certificate

    Designation No.    : KR0159

    Registration No.   : 133186




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 3. Information About Test Equipment
    3.1 Equipment Information
    Equipment type                     HYDROGEN MINI

    Equipment model name               DHW-9100A

    Variant model name                 -

    Frequency range                    110 kHz ~ 205 kHz

    Modulation type                    ASK

    Power supply                       DC 5.00 V
    Note1: The above EUT information was declared by the manufacturer.
    Note2: EUT has been tested with bottle as supporting equipment since the EUT has ability to charge only the
          specified tumbler.
    3.2 Antenna Information
                  type                 Inductive Loop Coil Antenna



    3.3 Tested Companion Device Information
                Type                   Manufacturer                    Model                        Note
                                    Dongguan Yingju
             Adapter                                              EP-TA20KBK                          -
                                     Power Co., Ltd.




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 4. Test Report
    4.1 Summary
                                                       FCC Part 15

      Reference                                      Parameter                                       Clause      Status

    Transmitter Requirements

       2.1049        20 dB Bandwidth                                                                     4.4.5     C


      15.209(a)      Radiated Emission                                                                   4.4.6     C


      15.207(a)      Conducted Emissions                                                                 4.4.7     C


       15.203        Antenna Requirements                                                                4.4.8     C

    NOTE 1 :    C = Comply N/C = Not Comply    N/T = Not Tested   N/A = Not Applicable

    * The general test methods used to test this device is ANSI C63.10:2013




    4.2 Measurement Uncertainty
                Mesurement items                                         Expanded Uncertainty
    Radiated Spurious Emissions
                                                      ±4.67 dB       (The confidence level is about 95 %, k=2)
    (1 GHz under)
    Conducted emission                                ±2.36 dB       (The confidence level is about 95 %, k=2)




    4.3 Test Report Version

          Test Report No.                     Date                                       Description

         TRRFCC19-0029                   19.09.03                                        Initial issue




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    4.4 Test Report
       4.4.1 20 dB Bandwidth

       4.4.1.1 Measurement Procedure

       The 20 dB Bandwidth is measured with a spectrum anaylyzer connecterd via a receiving antenna
       placed near the EUT while the EUT is operating.


       4.4.1.2 Result

       Comply (measurement data : refer to below)


       4.4.1.3 Measurement data

       Test mode : 5 V Charging Mode

                   Tested Frequency(kHz)                                Test Results(kHz)

                           154.1                                             0.149




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       4.4.2 Radiated Emission

       4.4.2.1 Regulation

      According to §15.209(a) Except as provided elsewhere in this subpart, the emissions from an
      intentional radiator shall notexceed the field strength levels specified in the following table:

                                                   Field
         Frequency(MHz)                                                              Measurement distance(meters)
                                         strength(microvolts/meter)
    0.009 - 0.490                     2 400/F(kHz)                                                                            300

    0.490 - 1.705                     24 000/F(kHz)                                                                           30

    1.705 - 30.0                      30                                                                                      30

    30 – 88                           100**                                                                                    3

    88 – 216                          150**                                                                                    3

    216 - 960                         200**                                                                                    3

    Above 960                         500                                                                                      3
       **Except as provided in paragraph (g), fundamental emissions from intentional radiators operating under this section
       shallnot be located in the frequency bands 54–72 MHz, 76–88 MHz, 174–216 MHz or 470–806 MHz. However,
       operation within these frequency bands is permitted under other sections of this part, e.g., §§15.231 and 15.241.


      4.4.2.2 Measurement Procedure
      1) The EUT was placed on a turn table which is 0.8m above ground plane.
      2) Maximum procedure was performed by raising the receiving antenna from 1m to 4m and rotating
         the turn table from 0° to 360° to acquire the highest emissions from EUT
      3) And also, each emission was to be maximized by changing the polarization of receiving antenna
         both horizontal and vertical.
      4) Repeat above procedures until all frequency measurements have been completed.


      4.4.2.3 Test mode

      In order to check all kinds of possible configurations, EUT was evaluated with appropriate client and
      under each charging condition as below table.

                           EUT Voltage                                                      Cal.Date
                                                                               Battery less than 1% charged
                       5 V Charging Mode                                       Battery less than 50% charged
                                                                                 Battery 100% fully charged



      4.4.2.4 Result

      Comply (measurement data : refer to the next page)




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       4.4.2.5 Measurement data_Radiated Spurious Emissions
    Test mode : 5 V Charging Mode_9 kHz ~ 30 MHz ( Battery less than 1% charged )

                                                              Ant      Cable      Result at     Result at      Limit at
    Frequency                   Note     Pol.   Reading                                                                     Margin
                   Detector                                 Factor     Loss          3m           300m          300m
      (MHz)                      1      (V/H)   (dBµV)                                                                       (dB)
                                                             (dB)       (dB)      (dBµV/m)      (dBµV/m)      (dBµV/m)


      0.154           QP          F      H       55.80      11.00      0.10         66.90        -13.10        23.85        36.95

      0.154           QP          F      V       51.00      11.00      0.10         62.10        -17.90        23.85        41.75



                                                              Ant      Cable      Result at     Result at      Limit at
    Frequency                   Note     Pol.   Reading                                                                     Margin
                   Detector                                 Factor     Loss          3m           30m           30m
      (MHz)                      1      (V/H)   (dBµV)                                                                       (dB)
                                                             (dB)       (dB)      (dBµV/m)      (dBµV/m)      (dBµV/m)

      Above          Not
                                  -       -         -          -         -            -             -             -            -
      0.154        Detected
    Note 1 :    “F” : Fundamental, “S” : Spurious
    Note 2 :    Result : Reading + Ant Factor + Cable Loss
    Note 3 :    According to §15.31 (f)(2);
                Result at 30m (dBµV/m) = Result at 3m(dBµV/m)-40log(30/3) (dBµV/m)
                Result at 300m (dBµV/m) = Result at 3m(dBµV/m)-40log(300/3) (dBµV/m)
    Note 4 :    The radiation measurements are performed in X, Y, Z axis positioning. And worst case mode is recorded in the report.



    Test mode : 5 V Charging Mode_9 kHz ~ 30 MHz ( Battery less than 50% charged )

                                                              Ant      Cable      Result at     Result at      Limit at
    Frequency                   Note     Pol.   Reading                                                                     Margin
                   Detector                                 Factor     Loss          3m           300m          300m
      (MHz)                      1      (V/H)   (dBµV)                                                                       (dB)
                                                             (dB)      (dB)       (dBµV/m)      (dBµV/m)      (dBµV/m)


      0.154           QP          F      H       55.20      11.00      0.10         66.30        -13.70        23.85        37.55

      0.154           QP          F      V       51.60      11.00      0.10         62.70        -17.30        23.85        41.15



                                                              Ant      Cable      Result at     Result at      Limit at
    Frequency                   Note     Pol.   Reading                                                                     Margin
                   Detector                                 Factor     Loss          3m           30m           30m
      (MHz)                      1      (V/H)   (dBµV)                                                                       (dB)
                                                             (dB)       (dB)      (dBµV/m)      (dBµV/m)      (dBµV/m)

      Above          Not
                                  -       -         -          -         -            -             -             -            -
      0.154        Detected
    Note 1 :    “F” : Fundamental, “S” : Spurious
    Note 2 :    Result : Reading + Ant Factor + Cable Loss
    Note 3 :    According to §15.31 (f)(2);
                Result at 30m (dBµV/m) = Result at 3m(dBµV/m)-40log(30/3) (dBµV/m)
                Result at 300m (dBµV/m) = Result at 3m(dBµV/m)-40log(300/3) (dBµV/m)
    Note 4 :    The radiation measurements are performed in X, Y, Z axis positioning. And worst case mode is recorded in the report.




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    Test mode : 5 V Charging Mode_9 kHz ~ 30 MHz ( Battery 100% fully charged )

                                                            Ant      Cable     Result at    Result at      Limit at
    Frequency                Note     Pol.   Reading                                                                    Margin
                 Detector                                 Factor     Loss         3m          300m          300m
      (MHz)                   1      (V/H)   (dBµV)                                                                      (dB)
                                                           (dB)       (dB)     (dBµV/m)     (dBµV/m)      (dBµV/m)


      0.154        QP          F       H      55.50       11.00      0.10       66.60         -13.40        23.85       37.25

      0.154        QP          F       V      50.50       11.00      0.10       61.60         -18.40        23.85       42.25



                                                            Ant      Cable     Result at    Result at      Limit at
    Frequency                Note     Pol.   Reading                                                                    Margin
                 Detector                                 Factor     Loss         3m          30m           30m
      (MHz)                   1      (V/H)   (dBµV)                                                                      (dB)
                                                           (dB)      (dB)      (dBµV/m)     (dBµV/m)      (dBµV/m)

      Above       Not
                               -       -         -          -             -        -             -            -            -
      0.154     Detected
    Note 1 :    “F” : Fundamental, “S” : Spurious
    Note 2 :    Result : Reading + Ant Factor + Cable Loss
    Note 3 :    According to §15.31 (f)(2);
                Result at 30m (dBµV/m) = Result at 3m(dBµV/m)-40log(30/3) (dBµV/m)
                Result at 300m (dBµV/m) = Result at 3m(dBµV/m)-40log(300/3) (dBµV/m)
    Note 4 :    The radiation measurements are performed in X, Y, Z axis positioning. And worst case mode is recorded in the
                report.



    Test mode : 5 V Charging Mode_30 MHz ~ 1 GHz (Worst Case : Battery 1% fully charged )

    Frequency                Note     Pol.      Reading         Ant Factor      Loss           Result       Limit       Margin
                 Detector
      (MHz)                   1      (V/H)      (dBµV)             (dB)         (dB)         (dBµV/m)     (dBµV/m)       (dB)


     38.973        QP          S       V         37.40             12.90       -23.40         26.90         40.00       13.10

     50.249        QP          S       V         36.40             12.60       -23.20         25.80         40.00       14.20

     86.623        QP          S       V         40.70             7.90        -22.70         25.90         40.00       14.10
    Note 1 :    “F” : Fundamental, “S” : Spurious
    Note 2 :    Loss : Cable loss – Amp gain
    Note 3 :    Result : Reading + Ant Factor + Loss




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      4.4.2.6 Measurement Plot

    Test mode : 5 V Charging Mode_9 kHz ~ 30 MHz ( Battery less than 1% charged )




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    Test mode : 5 V Charging Mode_9 kHz ~ 30 MHz ( Battery less than 50% charged )




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    Test mode : 5 V Charging Mode_9 kHz ~ 30 MHz ( Battery 100% fully charged )




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    Test mode : 5 V Charging Mode_30 MHz ~ 1 GHz ( Worst Case : Battery less than 1% charged )




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        4.4.3 Conducted Emission

        4.4.3.1 Regulation

        According to §15.207(a), for an intentional radiator that is designed to be connected to the public
        utility (AC) power line, the radio frequency voltage that is conducted back onto the AC power line
        on any frequency or frequencies, within the band 150 kHz to 30 MHz, shall not exceed the limits
        in the following table, as measured using a 50 μH/50 Ω line impedance stabilization network
        (LISN).
        Compliance with the provisions of this paragraph shall be based on the measurement of the
        radio frequency voltage between each power line and ground at the power terminal. The lower
        limit applies at the boundary between the frequency ranges.


                                                                       Conducted limit (dBµV)
       Frequency of emission (MHz)
                                                            Qausi-peak                          Average

                   0.15 – 0.5                                66 to 56 *                         56 to 46 *

                     0.5 – 5                                     56                                46

                     5 - 30                                      60                                50
    * Decreases with the logarithm of the frequency.

        According to §15.107(a), for unintentional device, except for Class A digital devices, line
        conducted emission limits are the same as the above table.


        4.4.3.2 Measurement Procedure

        1) The EUT was placed on a wooden table of size, 1 m by 1.5 m, raised 80 cm in which is
        located 40 cm away from the vertical wall and 1.5 m away from the side wall of the shielded
        room.
        2) Each current-carrying conductor of the EUT power cord was individually connected through a
        50 Ω/50 μH LISN, which is an input transducer to a Spectrum Analyzer or an EMI/Field Intensity
        Meter, to the input power source.
        3) Exploratory measurements were made to identify the frequency of the emission that had the
        highest amplitude relative to the limit by operating the EUT in a range of typical modes of
        operation, cable position, and with a typical system equipment configuration and arrangement.
        Based on the exploratory tests of the EUT, the one EUT cable configuration and arrangement
        and mode of operation that had produced the emission with the highest amplitude relative to the
        limit was selected for the final measurement.
        4) The final test on all current-carrying conductors of all of the power cords to the equipment that
        comprises the EUT (but not the cords associated with other non-EUT equipment is the system)
        was then performed over the frequency range of 0.15 MHz to 30 MHz.
        5) The measurements were made with the detector set to PEAK amplitude within a bandwidth of
        10 kHz or to QUASIPEAK and AVERAGE within a bandwidth of 9 kHz. The EUT was in
        transmitting mode during the measurements.




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       4.4.3.3 Result

       Test Condition : refer to the clause 4.4.2.3 test coditions

       Comply (measurement data : refer to below)



       Test mode : 5 V Charging Mode ( Worst Case : Battery less than 1% charged )




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       4.4.4 Antenna Requirements

       4.4.4.1 Regulation

       According to §15.203, An intentional radiator shall be designed to ensure that no antenna other
       than that furnished by the responsible party shall be used with the device. The use of a
       permanently attached antenna or of an antenna that uses a unique coupling to the intentional
       radiator shall be considered sufficient to comply with the provisions of this section.


       4.4.4.2 Result

       Comply (The antenna of this EUT is Inductive Loop Coil Antenna Type. Therefore the antenna is
       permanently attached. Please refer to the internal photo. Therefore this EUT Complies with the
       requirement of §15.203)




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                    APPENDIX I
                TEST EQUIPMENT USED FOR TESTS




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 To facilitate inclusion on each page of the test equipment used for related tests, each item of test
 equipment.
                                                                                    Cal. Date      Next Cal.Date
        Equipment            Manufacturer           Model          Serial No.
                                                                                   (yy.mm.dd)       (yy.mm.dd)

    PXA Signal Analyzer        KEYSIGHT            N9030A         MY54410264        2019-01-10          2020-01-10


   AC POWER SUPPLY             PCR 500L            KIKUSUI         FE002647         2019-04-25          2020-04-25

  HUMIDITY/TEMP DATA
                               LUTRON            MHB-382SD           79735          2019-04-25          2020-04-25
      RECORDER

     Digital MultiMeter           HP               34401A         US36025428        2019-01-10          2020-01-10


     Signal Generator      ROHDE&SCHWARZ          SMB100A            178384         2018-10-15          2019-10-15


     EMI Test Receiver     ROHDE&SCHWARZ            ESU40            100445         2019-12-14          2019-12-14


      BiLog Antenna           Schwarzbeck         VULB9160            3381          2019-04-09          2021-04-09

                                                 MLA-10k01-
        Preamplifier              TSJ                               1870369         2019-04-23          2020-04-23
                                                   b01-27

    Antenna Mast(10 m)          TOKIN               5977                -               -                   -


      Controller(10 m)          TOKIN               5909L          141909L-1            -                   -


     Turn Table(10 m)           TOKIN              5983-1.5             -               -                   -

    10 m Semi-Anechoic
                           SY CORPORATION             -                 -               -                   -
         Chamber

     EMI Test Receiver     ROHDE&SCHWARZ            ESR7             101440         2018-12-14          2019-12-14


           LISN            ROHDE&SCHWARZ           ENV216            101883         2019-04-24          2020-04-24


       Pulse Limiter          Schwarzbeck        VTSD 9561-F       9561-F189        2019-04-23          2020-04-23


    Active Loop H-Field          ETS                6502            00150598        2019-05-15          2020-05-15




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Document Created: 2019-09-12 01:56:40
Document Modified: 2019-09-12 01:56:40

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