WIGDT-989Digital Multimeter

Please read this manual before switching the unit on. Important safety information inside. TrueRMSDigital Multimeter User Manual True RMS Digital Multimeter User Manual True RMS Digital Multimeter UserManual 3 True RMS Digital Multimeter UserManual Contents 1. Introduction............................................................................................ 2. Safety..................................................................................................... 3. Safety Instructions.................................................................................. 4. Feature................................................................................................... 5. Measure Function................................................................................... 6. Default Display........................................................................................ 7. Setup Options......................................................................................... 8. Specifications......................................................................................... Page 4 4 6 7 10 18 23 29 4 1. Introduction Professional True RMS Industrial Digital Multimeter and TFT color LCD display, providing fast A/D converting sampling time, high accuracy , built-in datalogging and Trend Capture feactures. It can trace any interrupted problems of the equipments and watch on without person. It is easy to find andsolve the problems of the production equipments, providing Bluetooth technology and memory the datasheets. It is much more safe measurements. This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency(electrical & electronic), Duty Cycle, Diode Test, Insulation Test, and Continuity plus Thermocouple Temperature. It can store and recall data. It features a waterproof, rugged design for heavy duty use. Proper use and care of this meter will provide many years of reliable service 2. Safety True RMS Digital Multimeter UserManual WARNING CAUTION MAX This symbol adjacent to another symbol, terminal or operating device indicates that the operator must refer to an explanation in the Operating Instructions toavoid personal injury or damage to the meter. Thissymbol indicates a potentiallyhazardous situation, which if not avoided, could result in death or serious injury. Thissymbol indicates a potentially hazardous situation, which if not avoided, may result damage to the product. This symbol advises the user that the terminal(s) so marked must not be connected to a circuit point at which thevoltage with respect to earth ground exceeds (in this case) 1000 VAC or VDC. This symbol adjacent to one or more terminals identifies them as being associated with ranges that may, in normal use, be subjected to particularly hazardous voltages. For maximum safety, the meter and its test leads should not be handled when these terminals are energized. WARNING CAUTION 5 True RMS Digital Multimeter UserManual This symbol indicates that a device is protected throughout by double insulation or reinforced insulation. PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY OVERVOLTAGE CATEGORY I OVERVOLTAGE CATEGORY I Note- OVERVOLTAGE CATEGORY II OVERVOLTAGE CATEGORY II Note- OVERVOLTAGE CATEGORY III OVERVOLTAGE CATEGORY III Note- OVERVOLTAGE CATEGORY IV OVERVOLTAGE CATEGORY IV Note- Equipment ofis equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low level. Examples include protected electronic circuits. Equipment ofis energy-consuming equipment to be supplied from the fixed installation. Examples include household, office, and laboratory appliances. Equipment ofis equipment in fixed installations. Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation. Equipment ofis for use at the origin of the installation. Examples include electricity meters and primary over-current protection equipment 6 Input Protection Limits Function VDCorVAC mA AC/DC A AC/DC Frequency, Resistance, Capacitance, Duty Cycle, Diode Test, Continuity Temperature Surge Protection: 8kV peak per IEC 61010 Maximum Input 1000VDC/AC rms 500mA 1000V fast acting fuse 10A 1000V fast acting fuse (20A for 30 seconds max every 15 minutes) 1000VDC/AC rms 1000VDC/AC rms 3. Safety Instructions This meter has been designed for safe use, but must be operated with caution. The rules listed below must be carefully followed for safe operation. apply voltage or current to the meter that exceeds the specified maximum: when working with high voltages. measure voltage if the voltage on the "COM" input jack exceeds 1000V above earth ground. connect the meter leads across a voltage source while the function switch is in the current, resistance, or diode mode. Doing so can damage the meter. discharge filter capacitors in power supplies and disconnect the power when making resistance or diode tests. turn off the power and disconnect the test leads before opening the covers to replace the fuse or batteries. operate the meter unless the back cover and the battery and fuse covers are in place and fastened securely. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. 1-NEVER 2-USE EXTREME CAUTION 3-DO NOT 4-NEVER 5-ALWAYS 6-ALWAYS 7-NEVER 3- 3- 3- 3- 3- 3- True RMS Digital Multimeter UserManual 7 True RMS Digital Multimeter UserManual HOLD REL RANGE 4. Feature The 6 push buttons on the front of the Meter activate features that augment the function using the rotary switch, navigate menus power to Meter circuits. Software key. Default switch to Graph measure. Software key. Default modes related to the rotary switch function Software key. Default into save mode default Display. And wake up for APO. Software key. Default modes MINMAX starts and stops MINMAX recording. Into manual range and select range of the m…

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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-989 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-989 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 4 Report Version 1 Reference No.: 150918N017 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.: 150918N017 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.: 150918N017 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.: 150918N017

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.: 150918N017 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.: 150918N017 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.: 150918N017 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.: 150918N017 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 37 Report Version 1 Test Report No.: RF150918N017 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 Digital Multimeter Brand Name CEM Model DT-989 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 37 Report Version 1 Test Report No.: RF150918N017 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 CONDUCTED EMISSION MEASUREMENT .............................................................................. 11 4.1.1 LIMITS OF CONDUCTED EMISSION MEASUREMENT .............................................. 11 4.1.2 TEST INSTRUMENTS .................................................................................................... 11 4.1.3 TEST PROCEDURES ................................................................................................... 12 4.1.4 DEVIATION FROM TEST STANDARD.......................................................................... 12 4.1.5 TEST SETUP ................................................................................................................. 13 4.1.6 EUT OPERATING CONDITIONS .................................................................................. 13 4.1.7 TEST RESULTS ............................................................................................................. 14 4.2 RADIATED EMISSION MEASUREMENT .................................................................................. 16 4.2.1 LIMITS OF RADIATED EMISSION MEASUREMENT ................................................... 16 4.2.2 TEST INSTRUMENTS ................................................................................................... 17 4.2.3 TEST PROCEDURES ................................................................................................... 18 4.2.4 DEVIATION FROM TEST STANDARD.......................................................................... 18 4.2.5 TEST SETUP ................................................................................................................. 19 4.2.6 EUT OPERATING CONDITIONS .................................................................................. 19 4.2.7 TEST RESULTS ............................................................................................................. 20 4.3 6DB BANDWIDTH MEASUREMENT…

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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 4 Report Version 1 Reference No.: 150918N017 SET-UP FOR CONDUCTED EMISSION TEST 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.: 150918N017 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 3 of 4 Report Version 1 Reference No.: 150918N017 Frequency Range< Above 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 4 of 4 Report Version 1 Reference No.: 150918N017