絶 縁 抵 抗 計 - Sanwa Electric Instrument Co., Ltd.
Contents
1. MO OFF MO ON C 4 6 MA lk BIDE L gH LEa z A G 1 1 7 1 5 1 1 22. FE A 1 mA 1 mA 1 2 mA 1 mA 1 1mA 1 2 mA 1 3 6 5 6 DCV A 1 DC 60 V 2 5 5 DC 60 V A li 1 MQ 2 D
3. 15 16 1 17 18 MQ 0 MQ 20 20 20 5 5 A z 1s 100V
4. D DC60 V BAT TERY CHECK DCV OFFE CAT AC 3 7 kV 1 144 H X99 W X43 mm 310 g TL508Sa 1 C 08S 1 1 9 2 23 5 75 RH 5 DM1528S DM5218S 1 BIAI HR
5. 7 2 7 3 A 9 1 sanla DM1528S DM5218S ik F YE MIE a TEL
6. S AC 600 V 3 M O ACV OFF 9 COO 9 4 5 205 8604 47 15 TEL 042 554 0113
7. 5 o 5 3 MO MO AC 600V 5 4 EARTH LINE LINE
8. AC 600 V 250 V 500 MO MO ON fait ABO MO BB RIHEL CET D MO OFF pa 5 5 5 ACV AC 600 V A E AC 600 V MO TNA Sg 2 50 60 Hz 1 ACV Ss 2 Loa D
9. ja E 1 4 MO 2 MQ REVIT TI ay 1000 V 2000 MQ 500 V 1000 MQ 250 V 500 MQ 125 V 200 MQ 1000 V 2000 MQ DM1528S 1000 V 2000 MQ A 500 V 1000 MQ ON 500 V 1000 MQ DM1528S OFF AC 600 V DM5218S AC 600 V 125 V 200 MQ MO ON D ON BEd amp OFF O N OFF OFF MO eo
10. 8 2 1 2 3 6 11 12 13 14
11. TEL 03 3253 4871 FAX 03 3251 7022 TEL 06 6631 7361 FAX 06 6644 3249 http www sanwa meter co jp 0120 51 3930 9 30 12 00 13 00 17 00 9 9 1 AC 24 WA BATTERY CHECK AARDEMA 23 5 75 RH 0 43 80 RH 10 50 70 RH 2000 m I 6LR61 6LF22 1 9 V 2 6 W 1000 V 2000 MO 500
12. MO OFF 5 4 Oe 000 Mo 20L ROHR 20OY J 22Y DM5218S M OFF 5 4 1 2 5 3 4 D MO MO OFF D
13. TL508Sa eu ay CAT 1000 V lies 457 CAT 600 V BA o R 1 VMQ 2 3 100 V 125 VO 200 V 250 V 4 D EARTH LINE BREF O
14. 125 V 1 3 AC AC 600 V AC 720 V DC 60 V DC 120 V MQ BATTERY CHECK 2 RLR 2 1 2 2 JIS C1302 2002 2 5 5 1 Bx Ae A 1 2 3 4 MQO OFF 0
15. 5 ON 25 OFF JIS C1302 2002 IP IP20 EMC EN61326 EN61010 1 11600 V CAT Ill 600 V Sdilulid re fae HK in a INSULATION RESISTANCE TESTER DM1528S DM5218S INSTRUCTION MANUAL 2 4 4 101 0021 03 3253 4871 W 2 7 2 556 0003 06 6631 7361W SANWA ELECTRIC INSTRUMENT CO LTD Dempa Bldg Sotokanda2 Chome Chiyoda Ku Tokyo Japan VEGETABLE g OILINK 16 1201 2040 2040 5 2 BATTERY CHECK MQ 5 1 5 1 6LR61
16. A 2 4 4 3 101 0021 03 3253 4871W aL 1 2 3 4 5 6 This warranty is valid only within Japan Sdailulid DM1528S DM5218S INSULATION RESISTANCE TESTER INSTRUCTION MANUAL SANWA ELECTRIC INSTRUMENT CO LTD Dempa Bldg Sotokanda 2 Chome Chiyoda Ku Tokyo Japan 5 Description of Functions Function control knob and M Q insulation
17. Remove two battery lid securing SCrews Replace the consumed battery that is connected to D ae the snap terminal with a new eu one 3 Set the battery in the original place and secure the battery lid with screws A Be sure to turn the function control knob to the position of OFF prior to replacing the battery A Be sure to use the alkaline battery 6LR61 6LF22 x1 9 V Battery lid Sa ed 6LR61 Battery 6LF22 8 After Sales Service 8 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 test leads 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 1 Read First Safety Information We thank you for your purchasing our product the battery driven insulation resistance tester This is a DC resistance t
18. 1 1 1 A
19. 1 0 DC 60 V 0 MQ DC 60 V BATTERY CHECK 0 I A y 5 i 4 0 Bane V TA BATT Bet gt 0 a MQ OFF 0 Ia AJR qu LTA NE LINE
20. ACV MAX600 V 600 V 1 2 se gt ht 1 2 AC 33 Vrms 46 7 Vpeak DC 70 V 3 4 5 6 1 3 7 8 9 10
21. A 2 2 1000 V 1 2 1000 500 V 0 5 1 500 2000 MQ 2000 MQ 1000 MQ 1000 MQ 500 V 0 5 1 500 250 V 0 1 0 5 200 1000 MO 1000 MQ 500 MQ 500 MQ 250 V 0 1 0 5 200 125 V 0 05 0 2 100 500 MQ 500 MQ 200 MQ 200 MQ A 0 600 V CV Ute FEJE 0 60 V MQ MQ 5 10 0 oo 0 7 0 30 1 2 mA gt 2 9 mA ACV 5 50 60 Hz DCV 5 3 oo 2 MQ ACV 600 V BRK DCV 60 V H IX BATTERY CHECK MQ 5 ee
22. tester 10 Always keep your fingers behind the finger guards on the probe when making measurements How To Use Carrying Case During measurement set the case as illustrated and hang it from the neck gt Lid turns in gt direction at pivot the A gt Lay it along the bottom of the box and secure It by hooks marked by To hang from the neck during measurement Test lead compartment 6 Measuring Method 6 1 Start up Check A WARNING 1 Do not use a damaged tester or test lead 2 Make sure test lead wiring is not broken 3 When testing the continuity of a test lead the measuring terminals are under a high voltage Be careful of electric shock 4 To prevent electric shock and battery consumption be sure to turn the MQmeasuring switch and function control knob to OFF after measurement Bring the test pin of the lead with test pin in contact with the other side of the measuring object A CAUTION If the meter deflects in this state the measuring object is charged Be sure to remove the voltage prior to measurement Turn on the MQ measuring switch See 5 Description of Functions Read the indicated value Use the appropriate scale according to the position of the function control knob set range See following fig Turn off the MQ measuring switch Discharge the high voltage charged in the measuring object See 6 4 Discharge Function O First disconnect the test p
23. FF Pointer at 0 position when main unit is placed horizontally Yes Check measuring lead wiring breakage Release push switch and replace test lead with new one and re check Connect lead with clip to EARTH terminal If replacement does not work repair and lead with test pin to LINE terminal Clamp test pin with clip to short Turn function control knob to AC 600 V 250 V 500 MQ Pointer is at almost 0 MQ position of insulation resistance scale Yes Turn MQ measuring switch and function control knob to OFF Normal Proceed to measurement 6 2 How to Check Bult in Battery BATTERY CHECK Prior to MQ insulation resistance measurement be sure to check the built in battery A consumed battery will cause not only measurement errors but danger due to erroneous measurement For checking methods refer to 6 1 Start up Check Turn on MQ measuring switch A Do not check the built in battery for more than 5 seconds 6 4 Discharge Function 1 Reason of a need to discharge For safety high voltage remaining in capacitive measuring objects such as capacitors and electric wire must be discharged to prevent accidents 2 Discharging method This procedure follows the step 8 of 6 3 4 When the MQ measurement has been completed turn off only the MQ measuring switch with the test pin and the clip connected to the measuring object 2 Then the pointer deflects to the right and its defle
24. MOQ oo 5 3 4 8 A 1 2 MO OFF 2 D eee TITHE mm O on HB eA SE 6LR61 6LE22 6LR61 6LF22 8 8 1 3 1
25. TH Function control knob Test lead TL 508Sa When not covered When not covered CAT II 1000 V its test pin covers When covered CAT III 600 V Removable test pin covers Removable Test lead with test pin Red Finger guards _ Q m KAT Test lead with clip Black 4 Storage A CAUTION The panel and the case are not resistant to heat Do not place the instrument near heat generating devices such as a soldering iron Do not store the instrument in a place where it may be subjected to vibration or from where it may fall For storing the instrument avoid hot cold or humid piaces or places under direct sunlight or where condensation is anticipated 6 3 Measurement of MQ Insulation Resistance A WARNING Never apply a voltage to the measuring terminal when the tester is in the MQ measuring range Prior to measurement disconnect the measuring object circuit from the power supply Prior to measurement make sure no voltage is applied to the circuit to measure by the AC 600 V range During measurement a high voltage is generated Do not touch the test pin clip and measuring object The tester and measured circuit have been charged by high voltage immediately after the measurement Be careful not to get electric shock There is a possibility of an accident of electric shock After the measurement be sure to discharge the high voltage charged in the measuring o
26. bject See 6 4 Discharge Function A CAUTION When the measuring object is grounded earth a normal practice is to connect the lead with clip EARTH to ground earth and the lead with test pin LINE to the circuit When this connection is used a measurement value becomes smaller than a value obtained by the reverse connection To prevent a measuring error keep the test lead connected to the LINE side out of contact with the measuring object and ground earth The insulation resistance varies largely depending on temperature and humidity It is also influenced by a voltage to apply measuring voltage Normally as temperature humidity and voltage increase the insulation resistance decreases A CAUTION AC voltages of waveforms other than sinusoidal waveforms and frequencies other than 50 to 60 Hz will cause an indication error 2 Turn the function control knob to AC 600 V 3 Connect the lead with clip to the earth side of the circuit to measure and the lead with test pin to the charging side line side Read the indicated value on the ACV scale Disconnect the lead with test pin and the lead with clip in this order from the measuring object Turn the function control knob to the position of OFF GS 6 Measurement of DCV DC voltage Measuring range is the DV 60 V range only A WARNING Do not apply a voltage exceeding the maximum rated voltage of 60 VDC Keep in m
27. ction becomes smaller as time passes indicating the charged charge is being discharged 3 When the pointer stops at zero co of the MQ scale and discharge has been completed conduct the steps 40 and of 6 3 4 6 5 Measurement of ACV AC voltage Measuring range is the AC 600 V range only A WARNING Do not apply a voltage exceeding the maximum rated voltage of 600 VAC During measurement do not operate the function control knob Do not measure a voltage with the MQ measuring switch being pressed or raised When the circuit to measure has a breaker measure the voltage on the secondary side load side To prevent electric shock do not touch the metal part of the pin plug and clip 1 Measuring object Sinusoidal AC voltages ACV such as lighting line voltages can be measured 2 Measuring method Connect the lead with clip black to the earth side measuring terminal and the lead with test pin red to the line side measuring terminal 9 Specifications 9 1 General Specifications AC rectifying method Half wave rectification Mean value indication rms value converted Meter specification Innerpole type taut band system 24 uA Battery consumption Checked by BATTERY CHECK range Allowable temperature humidity range 235 C 75 RH max no condensation Service temperature humidity O 43 C 80 RH max no condensation Storage temperature humidity 10 50 C 70 RH max no condensation Se
28. easuring voltage of a resistance Insulation tester especially in case of the objects you measure connected with PCs or computers Maximum Overload Protection Input Function Maximu rating Maximum overload Range input value protection input ACV 600 AC 600 V AC 720 V DCV 60 DC 60 V AC 600 V 2 Applications and Features 2 1 Applications DC insulation resistance tester to measure the Insulation resistance of electric lines and electric equipment 2 2 Features This tester is based on the revised standard JIS C1302 2002 Insulation resistance testers It is equipped with the discharge function It is equipped with the MQ insulation resistance measuring switch that enables both one shot and continuous measurement It can measure DC voltage and AC voltage 2 Before starting measurement check the appearance pointer 0 position built in battery and measuring lead in this order The pointer 0 position is the 0 position of the DC 60 V scale or oo position of the MQ scales T battery See Td Turn function control knob Battery Damaged to DC 60 V BATTERY CHECK Replacement Main unit and Stop using test lead damaged in appearance switch Place main unit No damaged horizontally Pointer is on left of battery Yes No dust pointer 0 check scale BATT position adjuster with screwdriver ean No ny Turn function control knob and MQ switch to O
29. ent of insulation resistance MQ of electric equipment and circuits 2 Rated measuring voltage Rated measuring voltage DM1528S 250 V 500 V 1000 V DM5218S 125 V 250 V 500 V 3 Selection of a measuring range When measuring insulation resistance select a range of the voltage that is close to the voltage used by the circuit to measure unless otherwise specified For example when measuring insulation resistance of 100 V home appliances and indoor wiring select the 125 V rated measuring voltage range and when measuring 200 V power circuits select the 250 V rated measuring voltage range 4 Measuring method Power off the measuring object Connect the lead with clip black to the earth side measuring ternimal EARTH and the lead with test pin red to the line side measuring terminal LINE 3 Turn the function control knob to a desired rated measuring voltage range 4 Connect the clip of the lead with clip to the measuring object Normally the earth side measuring terminal should be on the earth line side VO Connect the lead with clip black to the negative side of the measuring object circuit and the lead with test pin red to the positive side 4 Read the indicated value on the DCV scale Disconnect the lead with test pin and the lead with clip in this order from the measuring object Turn the function control knob to the position of OFF 7 Battery Replacement Screws
30. ester developed under the principle to provide new and unique design and function for the measurement of insulation resistance of each kind of electric equipments Since this tester generates high voltage we recommend that you read this instruction manual thoroughly and treat the tester correctly and safely The symbols used on this tester and in this instruction manual denote the following meanings g Be careful as the high voltage is impressed A Be careful because there is a possibility of bodily injury or the destruction of equipment A WARNING To ensure that the meter is used safely follow all safety and operating instructions 1 Never use tester for high power or high voltage circuit 2 Pay special attention when measuring the voltage of AC 33 Vrms 46 7 V Peak or DC 70 V or more to avoid injury 3 Disconnect power source of the measured circuit before measuring insulation resistance 4 High voltage is generated while measuring insulation resistance Be cautions of electric shock 5 After measuring insulation to avoid electric shock Be sure to discharge the high voltage charged 6 Never apply an input signal exceeding the maximum rating input value 7 Never use tester for measuring the line connected with equipment i e motors that generates induced or surge voltage since it may exceed the maximum allowable voltage 8 Never use tester if the tester or test leads are damaged or broken 9 Never use uncased
31. in of the lead with test pin from the measuring object Then remove the clip of the lead with clip Be sure to turn the function control knob to the position of OFF Scale of 500 V 1000 MO range Scale of 250 V 500 MQ range Scale of 125 V 200 MQ range Example DM5218S 9 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 disaster 4 Non operation due to a discharged battery 5 A failure or damage due to transportation relocation or dropping after the purchase 8 2 Repair Customers are asked to provide the following information when requesting services 1 Customer name address and contact information Description of problem Description of product configuration Model Number Product Serial Number Proof of Date of Purchase Where you purchased the product 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 8 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
32. ind the warnings of 6 5 described earlier 1 Measuring object DC voltages of batteries etc can be measured Also the tester can be used to check the presence of DC voltage prior to MQ measurement 2 Measuring method Connect the lead with clip black to the earth side measuring terminal and the lead with test pin red to the line side measuring terminal Turn the function control knob to DC 60 V BATTERY CHECK 9 2 Measurement Range and Accuracy Accuracyassurance 23 Cro C 75 RH max No condensation Attitude Horizontal 5 DM1528S DM5218S Large numeral Large numeral MQ Rated measuring Voltage 1 measurement scale Rated measuring Voltage 1st steno measurement scale Small numeral Small numeral Insulation Maximum Value 2nd effective measurement scale Maximum Value 2nd effective measurement scale Resistance 1000V 1 2 1000 500 V 0 5 1 500 range 2000 MQ 2000 MQ 1000 MQ 1000 MQ 500 V 0 5 1 500 250 V 0 1 0 5 200 1000 MQ 1000 MQ 500 MQ 500 MQ 250 V 0 1 0 5 200 125 V 0 05 0 2 100 500 MQ 500 MQ 200 MQ 200 MQ ACV range 0 600 V DCV range 0 60 V e MQrange 1st effective measurement range 5 of reading 2nd effective measurement range 10 of reading 0 oo scale 0 7 of scale length No load voltage 3 of rated measuring voltage Accuracy Rated measuring current 1 1 2 mA Short circuit current max 3 mA ACV range 50 60 Hz sine wave 5 of fu
33. ll scale DCV range 5 of full scale
34. 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 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 8 3 SANWA web site http www sanwa meter co jp E mail exp_sales sanwa meter co jp FNOOBWND 11 Be sure to disconnect the test pin from the circuit when changing the function 12 Never use tester with wet hands or in a damp environment 13 Never use test leads other than the exclusive test leads 14 Never open tester case except when replacing batteries Do not attempt any alterations of original specifications 15 To ensure safety and maintain accuracy calibrate and check the tester at least once a year 16 Indoor use A CAUTION Remove components such as semi conductors and apparatuses from the circuit of measuring object to avoid damages when withstand of the object is unknown or lower than rated m
35. resistance measuring switch by operating these two switches the functions and ranges can be set as shown below Position of Function Control Knob MQ Measuring Switch Set Range Function oo varno NE f pognes AC 600V EE OFF 600 VAC range DM5218S 125 V 200 MQ DM1528S 1000 V 2000 MQ range ON 500 V 1000 MQ range 250 V 500 MQ DM5218S 250 V 500 MQ range 125 V 200 MQ 125 V 200 MQ range DC 60 V BATTERY CHECK DC 60 V range DC 60 V BATTERY CHECK BATTERY CHECK range The MQ measuring switch is turned on by the following operation ON only when the right end of the lever is pressed with a finger OFF when the finger is released 2 Continuously ON when the left end of the lever is raised OFF when it is laid down 11000 V 2000 MQ AC600V 500 V 1000 MQ Raise left end Press right end Meter zero position adjustment If the meter pointer is not on the co graduation line of the MQ scale when the function control knob is at OFF adjust the zero position with a screwdriver A REFERENCE 1 The rated measuring current of this tester is 1 MA 1 mA to 1 2 mA when the resistance of a value below the rated measuring voltage 1 mA and within 1st effective measurement scale is measured 2 The no load voltage is within 1 3 times the rated measuring voltage 3 While measuring there may be an oscillator noise from the meter but this is not a malfunction 1 Measuring object Measurem
36. rvice ambient condition Altitude 2000 m max environmental pollution I Built in battery Layer built type alkaline battery 6LR61 6LF22 x1 9 V Factory preinstalled built in battery A battery for monitoring is preinstalled before shipping therefore it may run down sooner than the battery life specified in the instruction manual The battery for monitoring is a battery to inspect the functions and specifications of the product Max power consumption Approx 2 6 W at 1000 V 2000 MQ range Battery life When the lower limit measurement resistance value that can maintain the rated output voltage is measured and if one cycle for the measurement is defined as ON for 5 seconds and OFF for 25 seconds the battery life is 500 cycles Applicable standard JIS C 1802 2002 Insulation resistance testers Safety EN61010 1 Over Voltage Category Il CAT I 600 V Pollution Degree 2 EMC EN61326 Degree of IP P20 Withstand voltage 3 7 kV AC one minute between measuring terminal and rear case Size and mass 144 H x 99 W x 43 D mm approx 310 g Accessories Test lead TL508Sa 1 set Carrying case C 08S 1 piece Instruction manual 1 copy 3 Front View and Name of Each Part MQ scale Pointer insulation resistance ACV scale I DCV scale 0 position adjuster Battery check MQ scale insulation resistance measuring switch Line side measuring terminal LINE Earth side measuring terminal EAR
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