WIGDT-3374Clamp Meter

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. Conformémentà la réglementationd'Industrie Canada, le présent émetteur radiopeutfonctionner avec uneantenne d'un type et d'un gain maximal (ouinf érieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectriqueàl'intention des autresutilisateurs, il fautchoisir le type d'antenne et son gain de sorteque la puissance isotroperayonn ée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaireà l'établissement d'une communication satisfaisante. Le présent appareilestconforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitationestautorisé e aux deux conditionssuivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareildoit accepter tout brouillage radioélectriquesubi,même si le brouillageest susceptible d'encompromettre le fonctionnement Maintenance This Clamp Meter is designed to provide years of dependable service,if the following care instructions are performed: 1、 KEEP THE METER DRY，If it gets wet,wipe it off. 2、 USE AND STORE THE METER IN NORMAL TEMPERATURES.Temperature extremes can shorten the life of the electronic parts and distort or melt plastic parts. 3、 HANDLE THE METER GENTLY AND CAREFULLY.Dropping it can damage the electronic parts or the case. 4、 KEEP THE METER CLEAN.Wipe the case occasionally with a damp cloth. DO NOT use chemicals,cleaning solvents,or detergents. 5、 USE ONLY FRESH BATTERIES OF THE RECOMMFNDED SIZE AND TYPE. Remove old or weak batteries so they do not leak and damage the unit. 6、 IF THE METER IS BE STORED FOR A LONG PERIOD OF TIME,the battery should be removed to prevent damage to the unit. 4 This device complies with FCC and Industry Canada RF radiation exposure limits set forth for general population (uncontrolled exposure). This device must not be collocated or operating in conjunction with any other antenna or transmitter.

Shenzhen Everbest Machinery Industry Co., Ltd. 19th Building, 5 Region, Baiwangxin Industrial Park, Baimang,Xili,Nanshan,Shenzhen China 518108 Date: Nov. 2 nd , 2015 Federal Communications Commission Authorization and Evaluation Division FCC ID: WIGDT-3374 Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this application as outlined below: 1. Block diagram 2. Schematics 3. Operation Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might to harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentation will not be made before the date of the grant for this application. Sincerely, Name ：Aiguo Deng Title：QM Company name: Shenzhen Everbest Machinery Industry Co., Ltd. Tel.：86-755-27653833 Fax：86-755-27652253

Shenzhen Everbest Machinery Industry Co., Ltd. 19th Building, 5 Region, Baiwangxin Industrial Park, Baimang,Xili,Nanshan,Shenzhen China 518108 AGENCY AUTHORIZATION LETTER FCC ID: WIGDT-3374 Date: Nov.2 nd , 2015 To whom it may concern: We, the undersigned, hereby authorize Bureau Veritas Shenzhen Co. Ltd Dongguan Branch., to act on our behalf, as our agent, in the following matters related to the FCC approval of our products: report submittal, related correspondence, the signing of all documents relating to these matters, and any other lawful activity necessary to obtain such certification. Any act carried out by BVDG within the scope of this authorization shall have the same effects as our own. This authorization shall expire 6 months form original date. If you have any Questions regarding the authorization, please don’t hesitate to contact us. Thank you. Sincerely, Name：Aiguo Deng Title：QM Company name: Shenzhen Everbest Machinery Industry Co., Ltd. Tel.：86-755-27653833 Fax：86-755-27652253

Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 5 Report Version 1 Reference No.: 150918N015 PHOTOGRAPHS OF THE EUT Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 5 Report Version 1 Reference No.: 150918N015 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 5 Report Version 1 Reference No.: 150918N015 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 4 of 5 Report Version 1 Reference No.: 150918N015 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 5 of 5 Report Version 1 Reference No.: 150918N015

The label stamped to the equipment by permanent adhesive.

Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 4 Report Version 1 Reference No.: 150918N015 PHOTOGRAPHS OF THE EUT Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 4 Report Version 1 Reference No.: 150918N015 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 4 Report Version 1 Reference No.: 150918N015 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 4 of 4 Report Version 1 Reference No.: 150918N015 ANT

Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 6 Report Version 1 Test Report No.: FS150918N015 RF EXPOSURE REPORT Applicant Shenzhen Everbest Machinery Industry Co., Ltd. Address 19th Building, 5 Region, Baiwangxin Industrial Park, Baimang, Xili, Nanshan, Shenzhen China 518108 Manufacturer or Supplier Shenzhen Everbest Machinery Industry Co., Ltd. Address 19th Building, 5 Region, Baiwangxin Industrial Park, Baimang, Xili, Nanshan, Shenzhen China 518108 Product Clamp Meter Brand Name CEM Model DT-3374 Additional Model & Model Difference N/A Date of tests Sep. 18, 2015 ~ Oct. 26, 2015 FCC Part 2 (Section 2.1091) KDB 447498 D01 IEEE C95.1 CONCLUSION: The submitted sample was found to COMPLY with the test requirement Tested by Blue Zheng Project Engineer / EMC Department Approved by Chris Chen Assistant Manager / EMC Department Date: Oct. 26, 2015 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 6 Report Version 1 Test Report No.: FS150918N015 Table of Contents RELEASE CONTROL RECORD ................................................................................ 3 1. CERTIFICATION .............................................................................................. 4 2. RF EXPOSURE DEFINE ................................................................................. 5 3. CLASSIFICATION ........................................................................................... 5 4. SAR TEST EXCLUSION THRESHOLDS ........................................................ 6 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 6 Report Version 1 Test Report No.: FS150918N015 RELEASE CONTROL RECORD ISSUE NO. REASON FOR CHANGE DATE ISSUED FS150918N015 Original release Oct. 26, 2015 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 4 of 6 Report Version 1 Test Report No.: FS150918N015 1. CERTIFICATION FCC ID: WIGDT-3374 PRODUCT: Clamp Meter BRAND NAME: CEM MODEL NO.: DT-3374 ADDITIONAL NO.: N/A TEST SAMPLE: Engineering Sample APPLICANT: Shenzhen Everbest Machinery Industry Co., Ltd. STANDARDS: FCC Part 2 (Section 2.1091) KDB 447498 D01 IEEE C95.1 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 5 of 6 Report Version 1 Test Report No.: FS150918N015 2. RF EXPOSURE DEFINE The corresponding SAR Exclusion Threshold condition, listed below: 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[ √f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR,16 where
 f(GHz) is the RF channel transmit frequency in GHz
 Power and distance are rounded to the nearest mW and mm before calculation
 The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. 2) At 100 MHz to 6 GHz and for test separation distances > 50 mm, the SAR test exclusion threshold is determined according to the following: a) [Threshold at 50 mm in step 1) + (test separation distance - 50 mm)·( f(MHz)/150)] mW, at 100MHz to 1500 MHz b) [Threshold at 50 mm in step 1) + (test separation distance - 50 mm)·10] mW at > 1500 MHz and ≤ 6 GHz 3) At frequencies below 100 MHz, the following may be considered for SAR test exclusion. a) The threshold at the corresponding test separation distance at 100 MHz in step 2) is multiplied by [1 + log(100/f(MHz))] for test separation distances > 50 mm and < 200 mm. b) The threshold determined by the equation in a) for 50 mm and 100 MHz is multiplied by ½ for test separation dista…

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Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 32 Report Version 1 Test Report No.: RF150918N015 TEST REPORT Applicant Shenzhen Everbest Machinery Industry Co., Ltd. Address 19th Building, 5 Region, Baiwangxin Industrial Park, Baimang, Xili, Nanshan, Shenzhen China 518108 Manufacturer or Supplier Shenzhen Everbest Machinery Industry Co., Ltd. Address 19th Building, 5 Region, Baiwangxin Industrial Park, Baimang, Xili, Nanshan, Shenzhen China 518108 Product Clamp Meter Brand Name CEM Model DT-3374 Additional Model & Model Difference N/A Date of tests Sep. 18, 2015 ~ Oct. 26, 2015 the tests have been carried out according to the requirements of the following standard: FCC Part 15, Subpart C, Section 15.247 CONCLUSION: The submitted sample was found to COMPLY with the test requirement Tested by Blue Zheng Project Engineer/ EMC Department Approved by Chris Chen Assistant Manager/ EMC Department Date: Oct. 26, 2015 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 32 Report Version 1 Test Report No.: RF150918N015 TABLE OF CONTENTS RELEASE CONTROL RECORD ............................................................................................................ 4 1 SUMMARY OF TEST RESULTS .................................................................................................... 5 2 MEASUREMENT UNCERTAINTY ................................................................................................. 5 3 GENERAL INFORMATION ............................................................................................................ 6 3.1 GENERAL DESCRIPTION OF EUT ............................................................................................. 6 3.2 DESCRIPTION OF TEST MODES ............................................................................................... 7 3.2.1. CONFIGURATION OF SYSTEM UNDER TEST ............................................................... 7 3.2.2. TEST MODE APPLICABILITY AND TESTED CHANNEL DETAIL .................................... 7 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................ 10 3.4 DESCRIPTION OF SUPPORT UNITS ....................................................................................... 10 4 TEST TYPES AND RESULTS .......................................................................................................11 4.1 RADIATED EMISSION MEASUREMENT ................................................................................... 11 4.1.1 LIMITS OF RADIATED EMISSION MEASUREMENT ..................................................... 11 4.1.2 TEST INSTRUMENTS ..................................................................................................... 12 4.1.3 TEST PROCEDURES ..................................................................................................... 13 4.1.4 DEVIATION FROM TEST STANDARD ........................................................................... 13 4.1.5 TEST SETUP ................................................................................................................... 14 4.1.6 EUT OPERATING CONDITIONS .................................................................................... 14 4.1.7 TEST RESULTS .............................................................................................................. 15 4.2 6DB BANDWIDTH MEASUREMENT ......................................................................................... 20 4.2.1 LIMITS OF 6DB BANDWIDTH MEASUREMENT ........................................................... 20 4.2.2 TEST INSTRUMENTS ..................................................................................................... 20 4.2.3 TEST PROCEDURE ........................................................................................................ 20 4.2.4 DEVIATION FROM TEST STANDARD ........................................................................... 20 4.2.5 TEST SETUP ................................................................................................................... 21 4.2.6 EUT OPERATING CONDITIONS .................................................................................... 21 4.2.7 TEST RESULTS .......................................................................................................…

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Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 2 Report Version 1 Reference No.: 150918N015 SET-UP FOR RADIATED EMISSION TEST Frequency Range< 30MHz~1GHz > Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 2 Report Version 1 Reference No.: 150918N015 Frequency Range< Above 1GHz >