Home

DIGITAL MULTIMETER - Sanwa Electric Instrument Co., Ltd.

1. IT DC Hz AC dk Q C mi et AF WIN yA 7 Hn k 7z os Ee 1 2 REBAOLODBEX AF 1 6kVA 2 AC33Vrms 46 7Vpeak DC70V 3 1 3 4 5 6
2. 3 722 Vrms Vavg Vp Vrms Vrms Vavg Vp 2Vp 2 T vp v2 2 OR a 0 707Vp 0 673Vp 1 414 1 111 PA Vp 0 Vp Vp Vp 1 1 Vp Vp 2 VP 777 n j ZN v3 2 3 v3 MS 0 577Vp 0 5Vp 1 732 1 155 Vo71 T Vp ix Vp Vp an 22 lt Qn AC AC 5 A S 1 2 3 4
3. 205 8604 4 7 15 TEL 042 554 0113 FAX 042 555 9046 5 Cin BR aw A f GE RD F1200 9635X32mm 05A 1000V 30kA 420 120 10412 F1203 810X38mm 16A1000V 30kA 510 120 44832 7 3 TEL 03 3253 4871 FAX 03 3251 7022 TEL 06 6631 73617 FAX 06 6644 3249 93810120 51 3930 9 30 12 00 13 00 17 00 http www sanwa meter co jp B f 81 A gt 4000 3
4. TEL m 2 4 4 3 101 0021 03 3253 4871 1 2 4 5 6 This warranty is valid only within Japan
5. OFF sELEcr ON 4 8 2 4V 2 4 9 TRUE RMS Root Mean Square 4 10 CF
6. CAT T J J i CAT I m Ea i is TE CORDE CAT 2510 5 7 8 8E COTES 3 3 31 T 15A V Hz 1 C A COM nA mA 3 2 ot
7. CD772 DIGITAL MULTIMETER INSTRUCTION MANUAL C Table of Contents 1 SAFETY PRECAUTIONS Before use read the following safety precautions 1 1 Explanation of Warning Symbols 1 1 2 Warning Messages for Safe Use ie ea 1 3 Overload Protection 64 6 98 009006600006660666666606060066 6 66660 2 2 APPLICATIONS AND FEATURES 2 1 Applications 3 2 2 Features 3 3 NAMES OF COMPONENT UNITS 3 1 Meter 4 3 2 Test Leads AL RS Uo 24 3 3 Display 099999969909 9900 949009990 999902099990 99 409990099999 99990 9909000 5 4 DESCRIPTION OF FUNCTIONS 1 Power Switch amp Function Switch 2 Measuring Function Selection ee 3 Data Hold
8. DC0 4V 5 3 2 BE ED UB VENTE RAN OLAN 0 000V OL 5 3 3 TT 00 850 450 5 4 AXES i X 100 0kHz 5 000Hz 50 00Hz 500 0Hz 5 000kHz lt 1000Vrms 50 00kHz 100 0kHz Hz 2k Q
9. 1 3 V Hz VHz t DC AC1000V DC AC1000V SEE 0 4 4 COM SX C C C DC50mV DC AC4000 nA 0 5A 1000V pA 30kA HA DC AC400mA m DC AC15A 16A 1000V A 15A COM WARKA 2 2 R5 amp c 21 x CAT 1000 CAT 600V 2 2 IEC61010 1 AC C K LED
10. OL DC AC 1000V 10A 2 4V 2000m I 5 40 5 31C 80 RH 31C 40C 80 RH 50 RH 10 40 80 RH 40C 50 C 70 RH 3 R6 2 DCV 150 30 0 5 1000 30kA 16A 1000V 30kA 61010 1 CAT II 600V CAT II 1000V IEC61010 031 2008 EMC IEC61326 166 L X 82 W X 44 D mm 360g 15mW DCV TL 25a K
11. 7 8 9 10 11 12 13 14 15 16 1 17
12. 6 4 1 2 3 R6 2 6 4 2 0 5A 1000V 6 35X32mm 30kA 16A 1000V 10X38mm 30kA 4 6 35X32mm 7 7 1 7 2 1 2 4 Nor 3
13. 1 6 5
14. 3 AG DC AC A 40004 A 400 0 4000 A DC AC mA 400mA 40 00mA 400 0mA DC AC A 15A 4 000A 15 00A AC 45Hz 1kHz C 400 0 4000 40 00mA 400 0mA 4 000A 15 00AO v pA mA ar mm x 0 5A 1000V mA OM 30kA A 16A 1000V 30kA A 15A COM
15. 00 00nF 5 6 WERE C AXES WUE 5 Xu Sx Bof E At DC50mV 0 5A 1000V C C C 20 0 C 300 0 C 30kA 16A 1000V 30kA CC K K 250CD S C BES ec K KAD K 22797 EE 5 7 huA mA A A S 1 2
16. K 250CD CL11 CL 15 TL 8IC CL22AD CL33DC CL20D K 8 800 K 8 650 K 8 300 K 8 500 K 8 250 K 2 KAD HV 60 C 77 8 2 235 C 80 R HL 2 4V rdg reading dgt digit AHI P p DCV ii 400 0mV 0 5 rdg 2dgt 100MQ 4 000V 11MQ 0 9 rdg 2dgt 10MQ ACV fi 11MQ 4V 45Hz 500Hz G 2 rdg 8dgt 10MO 40V 45Hz 1kHz 1000V CF 3 VY Da 5 100 fig E 4 0000 40 00kQ 400 0kQ 4 000MQ 2 0 rdg 3dgt 40 00MQ 3 0 rdg 3dgt 1 2 rdg 5dgt DCO 4V DC1 5
17. OMB 1 Gen IBS 9 de 4 6 RELATIVE RELATIVE D 0 DC30 00V DC 30 00V DC 00 00V DC 35 00V DC 05 00V DC 25 00V DC 05 00V Hz 1 4 7 30
18. Ait OS 1 2 3 4 5 6 4 AX OFF 2
19. 3Vrms 1Hz Hz 5 5 4e AY Ait 1 2 3 50 00nF 500 0nF 5 000 46 100 0 50 00 1000 uF RELATIVE
20. 2 0 rdg 3dgt 0 010 ACA 5 400 0 uA 1000 45Hz 1kHz CF 3 VY Yat 5 100 1 8 rdg 6dgt 10 2 4 rdg 6dgt 0 010 15A 10 20A 10 B 100mV 400mV 0 5 rdg 2dgt we 26 100 0mV X 0 5 2dgt 0 7mV 100 0mV 0 7mV 99 3mV 100 7mV sanula CD772 No
21. 5 6 C 5 7 uA mA A 6 Z 7 1 7 2 EE 7 3 eH HEBR 8 2 RE RNR EER REE ETLE TEE tS 1 CD772 4 ABE BEKO ABR 11 kU RRHH A
22. 03 3253 4871 2 7 2 556 0003 06 6631 7361 SANWA ELECTRIC INSTRUMENT CO LTD Dempa Bldg 4 4 Sotokanda2 Chome Chiyoda Ku Tokyo Japan 03 1101 2040 6017
23. 4 Backlight mo m 5 Range Hold 6 7 8 9 1 Relative Measurement Auto Power Save Battery Low Warning Indication AC Detection Method 0 Crest Factor EASURING PROCEDURE Start up Inspection 4 44 9 Voltage Measurement V 00000 00 00 0 Z0 S40S40 X A 10 Resistance Measurement Diode Test Continuity Check Rm 5 M 1 2 3 4 Frequency Measurement Hz 5 6 7 M 1 Capacitance Measurement Temperature Measurement C Current Measurement mA A me 15 AINTENANCE Maintenance and Inspection 2 Calibration and Inspection 3 Storage OE 4 Battery and Fuse Replacement 17 AFTER SALE SERVICE 7 1 Warranty and Provision 7 2 Repair I 7 3 SANWA web site DOO 8 SPECIFICATIONS 8 1 General Specifications e 21 8 2 Measuring Range and Accuracy 55 4 4 22 4 4 4 4 4 4 4 4 4 4 5 5 5 6 6 6 6 6 7 1 SAFETY PRECAUTIONS Before use read the following safety precautions This instruction man
24. n Q u A Wi mA m nie i 7 4 3 DATAHOLD DATAHOLD UAE Hz 4 4 X 2 2 0 DATAHOLD 2 4 5 RANGE HOLD RANGEHOLD TES
25. 10 20A 10 6 1 2 1 1 6 1 1 2 6 2 7 3 6 3
26. DEREK TL 5 1 AG 1 ON 2 3 COM QU divo 9 5 2
27. CAT I 1000V LII I 600V 222 TL 25a FART O F B 4 3 3 QD 0900 OD 002 4 4 1 ON OFF 4 2 SELECT SELECT V m gt Q9 Q gt i i
28. Accuracy after canceling the indicated value by the relative function 5 0 rdg 10dgt Auto range only DCA Accuracy Input Resistance Remarks Approx 1000 1 4 rdg 3dgt The input resistance Approx 10 excludes the fuse resistance 2 0 rdg 3dgt Approx 0 010 ACA Accuracy Input Resistance Remarks Approx 1000 Accuracy guaranteed 1 8 rdg 6dgt frequency range 45 Hz 1 kHz Crest factor CF range 3 max Range 5 to 100 of 2 4 rdg 6dgt Approx 0 010 each range Approx 10 Maximum 20A can be measured if the measurement time is less than 10 seconds Take 10 minutes or longer intervals between measurements Accurate measurement may not be possible in places near a transformer large current line etc where a strong magnetic field is present or near radio equipment etc that generates a strong electric field Accuracy calculation Example DCV function True value 100 mV Range accuracy 400 mV range 0 5 rdg 2dgt Error 100 0mV x 0 5 2dgt 0 7mV Indicated value 100 0mV 0 7mV in a range of 99 3 mV and 100 7 mV The product specifications described in this manual and its appearance are subject to change without notice for improvement or other reasons Em dx 2 4 4 101 0021
29. CD772 DIGITAL MULTIMETER INSTRUCTION MANUAL 3 1 1 1 Siva GR SEE KRS RE PCS PEE 1 1 2 1 1 3 RR ER RR DR TR RR ERRNO RR ER 2 2 2 1 X amp HH 3 cere ved 3 3 3 4 3 2 4 3 3 NES tS dt hk bw 5 4 4 1 6 4 SELECT 6 4 3 DATAHOLD ee 6 4 4 239 2 24 b iX 6 4 5 vy RANGE HOLD e 7 4 6 t RELATIVE verses seers 7 4 7 iy ee 7 4 8 er 7 4 9 sti he 8 4 10 GE ESSE 8 5 5 1 WR ENR ENR DRA ENET RRNA ER SUR eie NUS RE 9 5 2 V 10 5 3 WAWE A4 AX FTABQODSGEGRET v7 11 5 4 Hz RE RARE S 5 5
30. Sic xo e DCV and ACV Selection gt Remarks This meter is of true root mean square value response coupling The accuracy guarantee range is as follows AC freguency bandwidth 4V range 45 500 Hz 40 range and over 45 1kHz Crest factor CF range 3 max Range 5 to 100 of each range indication may fluctuate when the test leads are released It is not a failure AC400 0mV range can be selected with the RANGE HOLD button but the accuracy is not guaranteed 5 3 Resistance Measurement Q Diode Test gt Continuity Check A WARNING Never apply a voltage to the measuring terminals 5 3 1 Resistance measurement Q Function Max Rated Input Range 400 00 4 000kQ 40 00kQ Q SUME 400 0kO 4 000MO 40 00 0 Resistor Remarks If measurement is affected by noises shield the object to measure with COM potential If measurement is conducted with a finger touching the test pins an error will occur due to influence of resistance of the human body The open voltage between the measuring terminals is approx 0 4 VDC 5 3 2 Diode test gt Forward Reverse direction test direction test Resistance measurement Diode test Continuity check Selection 0555 Cathode df Anode Remarks The open voltage between s OR i ood MM voltage 00 shown the measuring drop sho
31. V DCV DC1000V 400 0mV 4 000V 40 00V 400 0V 1000V ACV AC 1000V 4 000V 40 00V 400 0V 1000V DCV ACV e AC AC 4V 45 2 500 2 40V 45Hz 1kHz CF 3 LY Yai 5 100 AC400 0mV RANeEHOLD 8 5 3 Q X T ry 7 A ATE 5 3 1 Q 400 00 4000kO 40 00kQ Q 400 0kQ 4 000M0 40 00MQ TED COM
32. AC current DC current A position DC current AC current gt DC current 4 3 Data Hold DATA HOLD When the DATAHOLD button is pressed the value indicated will be held will appear on the display The indicated value will not change if the measurement input fluctuates When this button is pressed again the hold status will be canceled and the meter will return to the measurement mode amp will disappear from the display Remarks The DATA HOLD button does not work with the Hz function 4 4 Backlight x When the 0 button is held pressed for 2 seconds or longer the backlight will be turned on To turn it off hold this button pressed for 2 seconds or longer again Remarks Because the 0 button serves as the DATAHOLD button also when the backlight is turned on the data hold mode will be set To cancel the data hold mode press this button momentarily less than 2 Seconds again 4 5 Range Hold RANGE HOLD When the RANGEHOLD button is pressed the meter will be set in the manual mode and the range will be fixed 4 will disappear from the display In the manual mode each time this button is pressed the range changes While checking the unit and decimal point on the display select the best range To return to the auto range hold this button pressed for 1 second or longer 4 will appear on the display Remarks RANGE HOLD button does not work with the
33. Hz gt 9 and 4 functions 4 6 Relative Measurement RELATIVE When the RELATIVE button is pressed and A will light and the input value when the button was pressed will become 0 as the reference To cancel it press the button again Example Display after pressing the button at DC30 00V input Actual Input Value Value in Display DC 30 00V DC 00 00V DC 35 00V DC 05 00V DC 25 00V DC 05 00V Remarks This mode cannot be used with the Hz function When a function other than is used the range is fixed during relative measurement 4 7 Auto Power Save The tester enters power save mode automatically if it has been operated for about 30 minutes Please note a small electric current from power supply is present in Auto Power Save mode Be sure to set the power function switch to DFF after measurement To cancel Auto Power Save function turn the power function switch from OFF position to any desired function while holding the SELECT button pressed 4 8 Battery Low Warning Indication When the built in batteries have been discharged and the voltage has dropped to below about 2 4 V mark will appear in the display When this mark flickers or lights replace both two batteries with new ones 7 4 9 AC Detection Method This meter employs the root mean square value method and indicates the magnitude of AC as the same amount of work as DC Root mean square values
34. field such as places near a transformer a high current circuit and a radio 1 3 Overload Protection The maximum rated input value and overload protection have been established for the input terminals of each function Function Input Terminal Max Rated Input Value Max Overload Protection Input Value V Hz DC AC1000V DC AC1000V Q 9t 4 J ad COM A Do not input a V Hz 4 voltage or current C C and C DC50mV 4000 0 5A 1000V fuse A Do not input a voltage Breaking capacity 30kA H and COM m DC AC400mA mA A Do not input a voltage 16A 1 V f A 45A ani COM DC AC15A 6A 1000V fuse A Do not input a voltage Breaking capacity 30kA 2 2 APPLICATIONS AND FEATURES 2 1 Applications This is a digital multimeter designed for measurement in the ranges of CAT 1000V and 600V This meter is useful for measuring analyzing circuits of small communication devices home electric appliances and batteries within the CAT III environment 2 2 Features Safety design in compliance with the IEC61010 1 The current terminal is protected with a safety cap True RMS sensing for alternating current Temperature C measuring function provided For K type thermocouple temperature sensor Continuity confirmed by the buzzer and red LED lamp Eye friendly largesized is play Frequenc
35. side of the flange of the test lead 4 When measurement has been finished remove the test pins from the object measured and return the function switch to the Wii position 5 1 Start up Inspection Z CAUTION 1 Be sure that the battery low warning mark is not flickering or lit when the meter is turned on If it is flickering or lit replace the batteries with new ones 2 Do not use the meter if the meter or test lead is damaged or broken 3 Make sure the test leads are not cut and the fuse has not blown Always conduct the start up inspection to ensure safety Inspection by the continuity check Inspection start Meter or test leads not broken Broken Not broken 1 Insert black plug of test lead to COM terminal and red plug to Q 3 terminal 2 Set 4 with function switch and select button 3 Short red and black test pins Does not appear appears Does not sound Buzzer sounds Appears Sounds End of inspection Request for repair f nothing appears on the display the batteries might have been discharged completely 9 5 2 Voltage Measurement V Function Max Rated Input Range DCV DC 1000V 400 0 4 000V 40 00V 400 0V 1000V ACV AC 1000V 4 000V 40 00V 400 0V 1000V Example of DCV Example of ACV measurement measurement ox IC l
36. A 0 5A 1000V Fuse T mA 2 Breaking capacity 30k A measurement Function Input Terminal Built in Fuse 16A 1000V Fuse Breaking capacity 30kA Remarks 10 seconds Take 10minutes or Maximum 20A can be measured if the measurement time is less than longer intervals between measuremtents If the indication will change little when an input signal is applied or a current value which is significantly smaller than the expected value is indicated possible causes are the input terminals incorrect setting of the function switch or blown fuse Check these places 6 MAINTENANCE Z WARNING 1 The following instructions are very important for safety Read this manual thoroughly to ensure correct maintenance 2 Calibrate and inspect the meter at least once a year to ensure safety and maintain its accuracy 6 1 Maintenance and Inspection 1 Appearance Is the meter not damaged due to falling or other cause 2 Test leads Are the core wires not exposed from the test leads Is the plug when inserted to the input terminal not loose If any of the above problems exists stop using the meter and request for repair 6 2 Calibration and Inspection For more information please contact Sanwa s authorized agent distribute service provider listed in our website See section 7 3 6 3 Storage N CAUTION 1 The panel and case are not resistant to volatile solvent and must not be c
37. V 00 850 450 DC0 4V K 20 0 300 0 3 0 rdg 30dgt 5 000Hz 50 00Hz 3Vrms DUUM nmm i ZKA p 03 rdg 3dg0 gero e jetz geo c 50 00kHz 100 0kHz 50 00nF 500 0nF 5 000uF 5 0 rdg 10dgt 50 00uF DCA 1000 4000 7A n
38. ax no condensation 40 C 50 70 RH max no condensation When the meter will not be used for a long time remove the batteries before storage Power supply SUM 3 R6 2 pieces Battery life About 150 hours continuously at DCV Auto power save canceled Auto power save Power save about 30 minutes after no operation Fuse 0 5A 1000V Breaking capacity 30kA 16A 1000V Breaking capacity 30kA Safety standards IEC61010 1 CAT III 600V CAT II 1000V IEC61010 031 2008 EMC Directive 61326 Dimensions 166 L X 82 W X 44 D mm Projections not included Weight Approx 360 g batteries included Power consumption Typical 15mW at DCV Standard accessaries included Test lead TL 25a K type thermocouple temperature sensor K 250CD Instruction manual Optional accessaries Alligator clip CL 11 CL 15 TL 8IC Clamp probe CL 22AD CL 33DC CL 20D Temperature probe K 8 800 K 8 650 K 8 300 K 8 500 K 8 250 K type adapter K AD High voltage probe HV 60 Carrying case C 77 C77H 8 2 Measuring Range and Accuracy Temperature 23 5 C humidity 80 RH max no condensation voltage 2 4 V or above rdg reading Read value dgt digit Number of counts of last digit DCV voltage Accuracy Input Resistance Remarks 0 5 rdg 2dgt Approx 100MO Approx 11 0 9 rdg 2dgt Approx 10 ACV voltage Accuracy Input Resi
39. ecause this meter applies a current to the capacitor to measure it is not suitable for measurement of electrolytic capacitors having a large leak current as a large error will occur 3 For capacitors having large capacitance measurement takes a longer time Function Max Rated Input Range 50 00nF 500 0nF 5 000uF CAP 100 0 a 50 00F 100 0uF Auto range Remarks Cancel For capacitance measurement indicated press the RELATIVE button to value prior to cancel the indicated value measurement 00 00nF before connecting a capacitor Only the auto range is available for the capacitance measuring function indication may not become stable due to influence of surrounding noises or stray capacitance of the test leads 5 6 Temperature Measurement C N WARNING Measuring temperature involves such hazard as getting burnt depending on temperatures to measure and measuring environment N CAUTION Do not apply a voltage above 50 mV DC to the input terminal Function Input Terminal Measuring Range Built in Fuse 0 5A 1000V Fuse d on om Breaking capacity 30kA C 20 0 300 0 C 16 1000 Fuse Breaking capacity 30kA Remarks temperature C measuring function of this meter is designed for the K type thermocouple measurement insert the includ
40. ed temperature sensor detecting part 250CD with correct polarity and K 250CD When the optional K type adapter K AD is used the temperature sensor with international standard mini plug can be used p K AD K type international standard mini plug 5 7 Current Measurement mA A N WARNING 1 Never apply a voltage to the measuring terminals 2 Never apply an input exceeding the maximum rated current 3 Be sure to connect the meter in series via a load Correct measuring method Wrong measuring method Z CAUTION Be sure that the built in fuse has not blown Function Max Rated Input Range DC AC 4000uA 400 0pA 4000 DC AC mA 400mA 40 00mA 400 0mA DC AC 15A 4 000A 15 00A Remarks n current measurement the internal resistance of the current range is placed in series and the current drops by this resistance Accordingly its influence becomes larger in low resistance circuits The AC accuracy guarantee frequency range is from 45 Hz to 1kHz Current range Auto range for 400 0 uA 4000 pA 40 00 400 0 mA and 4 000 A 15 00 A The range may be fixed by the RANGE HOLD button Sanwa DCA and ACA Selection co HA mA measurement A 15A and COM samua Function Input Terminal Built in Fuse HA H
41. est probe black Test probe red Plugs 3 3 Display 910 d 42 7 SP 42 lane CHZ pnF mVA Indication of numerical value Indication of relative mode operation Indication of negative sign of numerical data Indication of AC measuring function operation Indication of DC measuring function operation Indication of auto range mode operation Not used with this meter Indication of diode test function operation Indication of continuity check function operation Indication of data hold mode operation Indication of relative mode operation Indication of battery low warning Indication of units of measurement NAA SRS SAS 4 DESCRIPTION OF FUNCTIONS 4 1 Power Switch amp Function Switch Turn this switch to turn on and off the power and select a measuring function 4 2 Measuring Function Selection sELECT When the SELECT button is pressed the functions change as follows V position DC voltage AC voltage DC voltage Q position Resistance measurement Q diode test continuity check 4 resistance measurement Q uA position DC current gt AC current gt DC current mA position DC current
42. for reasons of discontinuation of manufacture etc the retention period may become shorter accordingly 4 Precautions when sending the product to be repaired To ensure the safety of the product during transportation place the product in a box that is larger than the product 5 times or more in volume and fill cushion materials fully and then clearly mark Repair Product Enclosed on the box surface The cost of sending and returning the product shall be borne by the customer 7 3 SANWA web site http www sanwa meter co jp E mail exp_sales sanwa meter co jp 8 SPECIFICATIONS 8 1 General Specifications Operation method method AC measuring method True RMS value method LCD 4000 counts Sampling rate Approx 3 times sec Range selection Auto and Manual Some with Manual only or Auto only Over range indication OL shown in numerical part 1000V DC AC 10A excluded Polarity indication automatic selection o indicated only when negative input Battery low warning Battery mark lights or flickers at approx 2 4 V or below Environmental condition Altitude 2000 m or below pollution degree Operating temperature humidity 5 C to 40 C and humidity range as follows No condensation allowed At 5 C to 31 C 80 RH max At 31 C to 40 C linear drop from 80 RH to 50 RH Storage temperature humidity 10 C 40 C 80 RH m
43. leaned with thinner or alcohol 2 The panel and case are not resistant to heat Do not place the meter near heat generating devices 3 Do not store the meter in a place where it may be subjected to vibration or where it may fall 4 Do not store the meter in places under direct sunlight or hot cold or humid places or places where condensation is anticipated 5 If the meter will not be used for a long time remove the batteries 6 4 Battery and Fuse Replacement Batteries when the meter is shipped A battery for monitoring has been installed prior to shipment from the factory It may be discharged before the expiration of the described battery life The battery for monitoring is a battery used to check the functions and performance of the product N WARNING 1 To avoid electric shock do not remove the rear case with an input being applied to the measuring terminals Also before starting replacement make sure the power of the meter is OFF 2 Be sure to use the replacement fuse of the same rating Never use a substitute for the fuse nor short the meter 6 4 1 Battery replacement Remove the fixing screw of the battery holder with a screwdriver Replace both two batteries in the battery holder with new ones Pay attention to their polarity Set and secure the battery holder with the fixing screw as before Battery R6 x 2 pieces 6 4 2 Fuse replacement Remo
44. not to touch them 3 Never input signals exceeding the maximum rated input value see 1 3 4 Never use the meter for measuring voltages of lines connected to equipment e g motors that generates induced or surge voltage since it may exceed the maximum allowable overload input 1 11 12 13 14 15 16 17 Never use the meter near equipment which generates strong electromagnetic waves or is charged Never use the meter if the meter or test leads are damaged or broken Never use the meter with the case or battery lid removed Be sure to use the fuse of the specified rating and specification During measurement do not hold the test pin side of the flange of the test leads To start measurement first connect the ground side black test lead When disconnecting the ground side must be disconnected last During measurement do not change the meter to another function or range nor replace the plugs to other terminals Before starting measurement make sure that the function and range are properly set Never use the meter when it is wet or with wet hands Be sure to use the specified type of test leads Never attempt repair or modification except for battery and fuse replacement Inspect the meter at least once a year This meter is for indoor use only A CAUTION Correct measurement may not be performed when using the meter in the ferromagnetic intense electric
45. of sinusoidal waves and such non sinusoidal waves as square waves and chopping waves can be measured by the true RMS Root Mean Square circuit 4 10 Crest Factor The CR crest factor indicates the peak value of a signal by dividing it by its root mean square value With most common waveforms such as sinusoidal wave and chopping wave the crest factor is relatively low With waveforms similar to low duty cycle pulse trains the crest factor is high For the voltages and crest factors for typical waveforms see the table below Please measure the crest factor by 3 or less 010 PEAK Root Mean Average Crest Form Input Waveform Square Value Value Factor Vp Vrms Vavg Vp Vrms Vrms Vavg Vp 2Vp V T dr 2 m 2 2 vp 7 0 707Vp 0 673Vp 1 414 1 111 Vp Square VI VI WaVe 0 2 P Vp 1 1 Vp Vp 2 Chopping 7 Vp 3 2 V3 J3 iis TRE 0 577Vp 0 5Vp 1 732 1 155 DT T LE AW eua 2 2 Pulse Vp 2 Vp on Vp E gt 2r Voltages of Various Waveforms This meter employs AC coupling for AC measurement The DC components in input signals are cut 8 5 MEASURING PROCEDURE WARNING 1 Do not apply an input signal exceeding the maximum rated input of each function 2 During measurement do not change the function switch 3 During measurement do not touch the test pin
46. saster 4 Non operation due to a discharged battery 5 A failure or damage due to transportation relocation or dropping after the purchase 7 2 Repair Customers are asked to provide the following information when requesting services 1 Customer name address and contact information 2 Description of problem 3 Description of product configuration 4 Model Number 5 Product Serial Number 6 Proof of Date of Purchase 7 Where you purchased the product Please contact Sanwa authorized agent distributor service provider listed in our website in your country with above information An instrument sent to Sanwa agent distributor without above information will be returned to the customer Note 1 Prior to requesting repair please check the following Capacity of the built in battery polarity of installation and discontinuity of the test leads 2 Repair during the warranty period The failed meter will be repaired in accordance with the conditions stipulated in 7 1 Warranty and Provision 3 Repair after the warranty period has expired In some cases repair and transportation cost may become higher than the price of the product Please contact Sanwa authorized agent service provider in advance The minimum retention period of service functional parts is 6 years after the discontinuation of manufacture This retention period is the repair warranty period Please note however if such functional parts become unavailable
47. stance Remarks Approx 11MQ Accuracy guaranteed frequency range 4V range 45Hz 500Hz Approx 10MQ_ 40V range and over 45Hz 1kHz Crest factor CF range 3 max Range 5 to 100 of each range 1 2 rdg 8dgt Resistance measurement Accuracy Remarks 4 1 2 rdg 5dgt Open circuit voltage Approx 0 4 VDC measuring current varies depending on resistance of resistors to measure 2 0 rdg 3dgt 3 0 rdg 3dgt Diode test Open circuit voltage Approx 1 5 VDC Continuity check Buzzer sound and continuity lamp on range 0 Q 85 45 Open circuit voltage Approx 0 4 VDC Temperature measurement Range Accuracy Remarks 20 0 C 300 0 C 3 0 rdg 30dgt Accuracy of the K type thermocouple range Accuracy of the thermocouple is not included Frequency Range Accuracy Remarks Auto range only 5 000Hz The data hold and relative functions cannot be used aeons Sensitivity 3 Vrms or over Frequency less than 1 Hz cannot be measured Input resistance Approx 2 Because the input resistance is as low as approx 2 a large amount of current will flow during measurement Never use the meter for measuring 50 00kHz circuits or devices having a small current capacity Never use the meter for measuring frequencies to 100 0kHz ground as the earth leakage breaker may trip 500 0Hz 0 3 rdg 3dgt 5 000kHz Capacitance Accuracy Remarks
48. ual explains how to use your new digital multi meter CD772 Before use please read this manual thoroughly to ensure correct and safe use After reading it keep it together with the product for reference to it when necessary Using this product in ways not specified in this manual may damage its protection function The instructions given under the headings of ANWARNING and A CAUTION must be followed to prevent accidental burn and electric shock 1 1 Explanation of Warning Symbols The meaning of the symbols used in this manual and attached to the product is as follows ZN Very important instructions for safe use The warning messages are intended to prevent accidents to operating personnel such as burn and electric shock The caution messages are intended to prevent incorrect handling which may damage the product A High voltage hazard Ground zz Direct current DC Hz Frequency Alternating current AC Capacitor Q Resistance Temperature Diode Xx Backlight i Buzzer Fuse n Double insulation or reinforced insulation 1 2 Warning Messages for Safe Use N WARNING The following instructions are intended to prevent personal injury such as burn and electric shock Be sure to follow them when using the meter 1 Never use the meter for power lines exceeding 6 kVA 2 Voltages above 70VDC or 33Vrms AC 46 7V peak are hazardous to human body Take care so as
49. ve the screws of the body rear case with a screwdriver Take out the fuse and replace it with a new one Secure the rear case with the screws as before Fuse Fuse rating 0 5A 1000V 06 35 x 32 mm Breaking capacity 30kA 16A 1000V 010 x 38 mm Breaking capacity 30kA Spare fuse storage is provided at the bottom of the rear case For 06 35 x 32 mm fuse only 7 AFTER SALE SERVICE 7 1 Warranty and Provision Sanwa offers comprehensive warranty services to its end users and to its product resellers Under Sanwa s general warranty policy each instrument is warranted to be free from defects in workmanship or material under normal use for the period of one 1 year from the date of purchase This warranty policy is valid within the country of purchase only and applied only to the product purchased from Sanwa authorized agent or distributor Sanwa reserves the right to inspect all warranty claims to determine the extent to which the warranty policy shall apply This warranty shall not apply to disposables batteries or any product or parts which have been subject to one of the following causes 1 A failure due to improper handling or use that deviates from the instruction manual 2 A failure due to inadequate repair or modification by people other than Sanwa service personnel 3 A failure due to causes not attributable to this product such as fire flood and other natural di
50. wn Bad Other indication terminals is Bad 0 000V shown OL shown approx 1 5VDC 5 3 3 Continuity check Remarks Resistance measurement e Continuity buzzer Dips test sound and continuity Ontinuity chec lanp on range 0 Q Selection 85 A 45 Continuity lamp on 5 4 Frequency Measurement Z CAUTION Never use the meter for Measurement prohibited measuring frequencies to ground x as the earth leakage breaker pl may trip Function Max Rated Input Range 100 0kHz 5 000Hz 50 00Hz 500 0Hz 5 000kHz PE 1000Vrms 50 00kHz 100 0kHz Auto range only Remarks Because the Hz function uses input resistance as low as approx 2 a large amount of current will flow during measurement Never use the meter for measuring circuits or devices having a small current capacity Remarks Input sensitivity 3 Vrms or over Zero cross potential potential potential frequencies can be measured Frequencies of potential only or potential only such as logic pulses cannot be measured Frequencies less than 1 Hz cannot be measured When the Hz function is used the data hold and relative function cannot be used 5 5 Capacitance Measurement N WARNING Never apply a voltage to the measuring terminals N CAUTION 1 Remove electric charge in the capacitor prior to measurement 2 B
51. y measurement and capacitance measurement functions provided Easy to hold design Test probes can be secured to the body Double molding with outside made of elastic elastomer material Classification of overvoltage measurement Overvoltage measurement classification CAT 1 Line on the secondary side on the inside of equipment via a transformer etc from the receptacle Overvoltage measurement classification CAT Il Line on the primary side of equipment with power cord to be connected to the receptacle Overvoltage measurement classification CAT Line from the primary side or branch of equipment which directly takes in electricity from a distribution board to the receptacle Overvoltage measurement classification CAT IV Line from the service conductor to the distribution board 3 NAMES OF COMPONENT UNITS 3 1 Meter Data hold backlight button LCD display Select button Range hold button Continuity lamp Relative button Power switch amp function switch 15A o V Hz 4e N measuring VIAE N terminal Qr Measuring f terminal Safety cap CAT 600V 3 y CATI000V A Som commen m mA gina measuring terminal 3 2 Test Leads E Removable test pin covers Deae V When not When not covered CAT 1000V coveret L Ger When covered 600V Test pins s Finger guards TL 25a T

DIGITAL MULTIMETER - Sanwa Electric Instrument Co., Ltd.

Contents

Download Pdf Manuals

Related Search

Related Contents