Insulation Testers
Contents
1. 501 2000MQ 5 of rdg MY40 01 600V 1V 2 of rdg 6dgt Approx 2 MQ 1000V 2000MQ 0 1 999MQ Conductor resistance measurement 5 of rdg 6dgt 40 00 10kQ 2 000 1000MQ 2 of rdg 6dgt 400 0 100k2 1001 2000MQ 5 of rdg E 3000 INO MY40 01 4002 0 12 2 of rdg 8dgt awe CO oo First effective measuring range The minimum value at which the rated voltage can be maintained Display 3 1 2 digit LCD 4000 count backlight illuminated logarithmic Product Part Number Qty bar graph extension bar graph no fluctuations as the display shows the digits of a reading in the order in which each digit settles Protection cover 93013 Shoulder strap 99005 Line probe 98001 Example of Extension Bar Indicator View A ee a ee the d Earth probe 98002 e data value is b e ees ee a E F h F ir pa 1 44 changing gt S29 70M User s manual Batteries 6 dp The data value is fixed F y F Comparator function The MY40 alerts you by turning on the LOW symbol and sounding the buzzer if the measured value is smaller than the reference value You can allocate as many as three user defined reference values to each rating The factory set defaults are 0 1 MQ 0 2 MQ and 0 4 MQ Memory function For each rating you can save as many as 20 meas urements at desired memory address numbers Automatic discharge function2. Probe Tips Unit mm A AAA ee ral NE l L 360 5 d o B9600GN P 3 B9600NW B9635JK Ee ae V2 338 ery Te iC EN F j na E 360 5 80 E Probes Unit mm 98007 Earth probe B9205VA 98001 1200mm l 32 5 1000 10 35 4 1000 10 i Line probe fas no 98002 S 1200mm l A alt gf of oe eat 1000 10 3 2 r re eee 60 o Approx 50 Probes with Switch Unit mm W Others Unit mm 3218 02 B9204FX B9303XE 3218 03 1000 910 N YOKOGAWA A NOTICE World Wide Web site at a using the product read instruction manual Yokogawa Meters amp Instruments Corporation http www yokogawa com MCC __Cavelully to ensure proper and safe operation YOKOGAWA METERS amp INSTRUMENTS CORPORATION Tachihi Bid No 2 6 1 3 Sakaecho Tachikawa shi Tokyo 190 8586 Japan n an Represented by International Sales Dept Phone 81 42 534 1413 Facsimile 81 42 534 1426 YOKOGAWA CORPORATION OF AMERICA U S A Phone 1 770 253 7000 Facsimile 1 770 251 2088 YOKOGAWA EUROPE B V THE NETHERLANDS Phone 31 334 64 1611 Facsimile 31 334 64 1610 YOKOGAWA ENGINEERING ASIA PTE LTD SINGAPORE Phone 65 6241 9933 Facsimile 65 6241 2606 YOKOGAWA AMERICA DO SUL LTDA BRAZIL Phone 55 11 5681 2400 Facsimile 55 11 5681 1274 4434 i YOKOGAWA MEASURING INSTRUMENTS KOREA CORPORA
3. The MY40 automatically begins dis charge when you turn off the MEAS switch You can monitor the state of discharge by checking the bar graph and make sure discharge is complete by checking that the segment bar disappear Ml High voltage indicators The high voltage symbol and LED lamp come on to alert you when the MY40 is in insulation testing mode or if any voltage remains to be discharged Live line alarm If you apply an AC voltage of approximately 40 V or higher across the input terminals the MY40 alerts you by blinking the LED lamp and sounding the buzzer Overrange input alarm If the voltage being measured exceeds 600 V L J during AC voltage measurement the MY40 alerts you by flashing the ie ek PRON ihr she ae Sa a E unit and accessories Auto hold function The tester retains the measured resistance for approximately 5 seconds after the MEAS switch is turned off Dimensions 125 W x 103 H x 53 D mm excluding protrusions Weight 420 g main unit and batteries only excluding accessories Batteries Four AA R6P batteries Note See the list of accessories on the backside of this bulletin for more information on accessories 240631 240641 240632 240642 25V 5MQ 50V 10MQ 125V 20MQ 125V 20MQ 250V 50MQ 0 001 5MQ 0 005 10MQ 0 01 20MQ 0 01 20MQ 0 01 50MQ 0 5MQ 1MQ 0 300V 0 025MQ 0 05MQ 0 125MQ 0 125MQ 0 25MQ i
4. conditions Ambient temperature humidity ranges 23 5 C 45 75 RH Position of use Horizontal 5 max of angle of inclination Effect of geomagnetism None Battery voltage Within effective voltage range The pointer must stay within the range indicated by the BAT symbol when the battery check is performed Scale length Approx 88 mm Dimensions main unit Approx 110 W x 180 H x 60 D mm Weight Approx 700 g including batteries or approx 1 2 kg including hard case handle test leads and batteries Batteries Eight AA R6P batteries Accessories See the list of accessories on the backside of this bulletin for information on accessories such as probes with a switch Product Part Number Qty Test lead B9205VA 1 consist of earth line terminal Hard case B9600HA 1 w leads housing case Handle B9303XE 1 User s manual 1 Batteries 8 Related Products Tolerances under the above mentioned conditions Resistance measurement First effective measuring range 5 of reading Second effective measuring range 10 of reading Infinite and zero scale values 0 7 max of scale length AC voltage 10 of maximum scale value Open circuit voltage 130 max of rated voltage Rated measuring current 1 mA 0 to 20 when in first effective measuring range Short circuit current 12 mA max B9600NV Bag for housing spare probe tips B9600HA Carrying case Generator driven I
5. effective measuring ranges shall be those indicated on the insulation tester Excerpt from JIS C1302 2002 General Specifications AC components rated measuring voltage and current is connected to the tester and a capacitance of 5 Display readings Digital Analog Applicable standard JIS C 1302 2002 Model MY40 3213A MY10 2406E Effect of A change in the reading must not exceed 10 when a resistance calculated from the Same as to the left except that the con nected resistance has the central scale mF 10 is connected in parallel across the resistance value Effect of temperature A change in the reading at an ambient temperature of 23 C must not exceed 2 at each of the maximum minimum and central scale values of the first effective measuring range when the temperature is changed from 23 C to 0 C or to 40 C A change in the reading at an ambient tem perature of 23 C must not exceed 5 at the central scale value and be no more than 0 7 of the scale length at either the infi nite scale value or the zero scale value when the temperature is changed from 23 C to 0 C or to 40 C A change in the reading must not exceed 5 at the central scale value and be no more than 0 7 of the scale length at ei ther the infinite scale value or the zero scale value when the temperature is changed from 20 C to 0 C or to 40 C Effect of humidity Effect of external magnetic field A c
6. switch turned OFF Effect of vibration Effect of shock No structural damage should be present and a change in the reading must be within the specified tolerance after applying a vibration frequency of 25 Hz and a displacement amplitude width of 1 mm for 20 minutes to each of three axis directions No structural damage should be present and a change in the reading must be within the specified tolerance after directly and reversely applying 1000 m s 6 ms half sine wave shocks to the three axis directions three times each i e 18 times in total No mechanical or electrical damage should be present and the rating within the speci fied tolerance must be satisfied after apply ing a vibration frequency of 16 7 Hz anda double amplitude of 4 mm for one hour to each of three axis directions The rating within the specified tolerance must be satisfied after applying a shock of 1000 m s to each of three directions twice each humidity range Operating temperature 0 C to 40 C 90 RH maximum no condensation humidity range Storag temperature 10 C to 60 C 70 RH maximum no condensation batteries should be removed eee ee eee ERR RRR RRR RRR RRR RRR RRR RRR RRR RRR Two choices Choose an analog model if visual recognition is of utmost importance or a digital model if precise numeric recognition is of utmost importance Points on How to Choose an Insulation Tester amp Ratings A wide choi
7. 50MQ 0 250V 3 N A 500V 100MQ 0 300V 3213A Analog Battery check 4 N A 500V 1000MQ 0 300V Conductor resistance 3 1 2 digit measurement LCD 19 S9 uo ejnsu jeybiq Comparator function Memory function Automatic discharge Battery check gt gt Oo Q o p e p D 7 p Single Automatic discharge range Battery check Single range 5 N A 1000V 2000MQ 0 300V 6 N A 125V 20MQ 0 250V MY40 Digital Insulation Tester a E CE vipa mods win a vonapeeitnc ratings 5 ining ny ee Tor oe Tnn Pea vertent setting of rot er Standard test conditions Ambient temperature humidity ranges 23 5 C 45 75 RH Tolerances under the above mentioned conditions 125V 200MQ 0 0199MQ 5 of rdg 6dgt 0 125MQ Si B l Deviation from zero scale value 6 digits maximum 0200 10 00M2 2 of rdg 6dgt Indication of mark on bar graph Approx 4000 MQ min 500 V 1000 V 10 01 200 0MQ2 5 of rdg Approx 400 MQ min 125 V 250 V Open circuit voltage 130 max of rated voltage 250V 200MQ 0 0499MQ 5 of rdg 6dgt Rated measuring current 1 mA 0 to 20 when in first effective measuring range 0500 20 00MQ 2 of rdg 6dgt Short circuit Current 2 mA max 20 01 200 0MQ 5 of rdg MY40 01 Soov 2000MQ 4 0 0 999M9Q 5 of rdg 6dgt AC voltage measurement 45 400 Hz 1 000 500MQ 2 of rdg 6dgt g
8. TION KOREA Phone 82 2 551 0660 Facsimile 82 2 551 0665 YOKOGAWA AUSTRALIA PTY LTD AUSTRALIA Phone 61 2 8870 1100 Facsimile 61 2 8870 1111 YOKOGAWA INDIA LTD INDIA Phone 91 80 4158 6000 Facsimile 91 80 2852 1441 YOKOGAWA SHANGHAI TRADING CO LTD CHINA Phone 86 21 6880 8107 Facsimile 86 21 6880 4987 l YOKOGAWA MIDDLE EAST E C BAHRAIN Phone 973 358100 Facsimile 973 336100 i MIK ES15 YOKOGAWA ELECTRIC CIS LTD RUSSIAN FEDERATION Phone 7 095 737 7868 Facsimile 7 095 737 7869 Mice ee a i ee ee 4 Subject to change without notice Ed 05 b Printed in Japan Jul 2007 B 2 000 KP All Rights Reserved Copyright 2000 Yokogawa Meters amp Instruments Corporation
9. YOKOGAWA lt gt insulation Testers Analog Models Digital Models S 1S3A Single range MYA S0JI6E 2and3ranges MY 1c Single range 4 ranges Yokogawa Meters amp Instruments Corporation Bulletin MY E What Is Insulation Resistance Insulation resistance represents the state of insulation of electric equipment or circuits It is one of the important measurement parameters in terms of safety and security Methods of examining the state of insulation include us ing a clamp on leakage tester for live circuits Under normal circumstances however such electric equipment or circuits are shut down temporarily and their insulation is tested with an insulation tester Classification of Applications Applications are roughly classified into low voltage high voltage and ultra high voltage circuits The table below summarizes examples of using rated test voltages A tester with the rated test voltage of 500 V or 100 V 250 V is used for low voltage circuits jea E Electric Installations Circuits Insulation testing at safe voltage levels Insulation testing of Insulation testing of telephone line cir 25V telephone network cuits 50V equipment and flame proof equipment Insulation testing for maintaining low y UR i e i voltage circuits or equipment handling levels lower than 100 V Insulation testing of Insulation testing for maintaining low 250V low voltage circuits or voltag
10. ake approx 1mlong Line probe vermilion approx 1m long 1 w probe housing pocket and neck strap i 6 JOJ 400354 4 2 4 4U039Z aioe 2 Standard test conditions Ambient temperature humidity ranges 23 5 C 45 75 RH Position of use Horizontal 5 max of angle of inclination External magnetic fields None Battery voltage Within effective voltage range The pointer must stay within the range indicated by the BAT symbol when the battery check is performed Tolerances under the above mentioned conditions Resistance measurement First effective measuring range 5 of reading Second effective measuring range 10 of reading Infinite and zero scale values 0 7 max of scale length AC voltage 10 of maximum scale value No load voltage 130 max of rated voltage Rated measuring current 1 mA 0 to 20 when in first effective measuring range Short circuit current 12 mA max B9108XA Accessory housing case B9705MU Hard case MY10 Series of Analog Insulation Testers 0 01 20MQ 0 01 50MQ 0 05 100MQ 0 5 1000MQ 1 2000MQ MY 10 02 250V 50MQ MY 10 05 1000V 2000MQ Standard test conditions Ambient temperature humidity ranges 23 5 C 45 75 RH Position of use Horizontal 5 max of angle of inclination Effect of geomagnetism None Battery voltage Within effective voltage range The pointer must stay within the range indicated by the BAT symbol
11. ce of voltage resistance ratings from 25 V 5 MQ to 1000 V 2000 MQ Some models have two or three ran ges thus you need not take more than one instrument to the site J Functionality Each series includes a model or models with a backlight for working in dark places Multi functional models capable of for example AC voltage meas urement are also available a4 F Accessories Optional test probes and probe tips are available for a variety of test environments SEB B BBB BRB RBBB G QHREB RHEE HR HBRHRB RRB RRR RHR RB RRR SERB BRB RR RRR RRR RR RR RR RR RRR RRR eee Insulation Testers Selection Guide AC Voltage Measuring range Suffix Code amp Backlight Series External View Model poe Type Rating Display Additional Function Automatic discharge 125V 200MQ 01 EL illuminated ee ranges 500V 2000MQ 1000V 2000MQ aow omy avva 50V 10MQ EL illuminated oa ee en a 125V 20MQ EL 42 EL lluminate 250V 50MQ wy sow zon dea sneer evan eeomcan ranges 3 EL 4o Ekma 500V 100MQ uw uu m u ea 4 EL a Ekma 1000V 2000MQ ssw som oso sev oana EL ill a as ELin 1000V 2000M9 1 afterglow illuminated 125V 20MQ 0 250V 2 afterglow illuminated 250V 50MQ9 0 300V CE 3 afterglow illuminated 500V 100MQ 0 500V Analog 4 afterglow illuminated 500V 1000MQ 0 500V 5 afterglow illuminated 1000V 2000MQ 0 500V 1 N A 100V 20MQ 0 150V 2 N A 250V
12. e circuits or equipment handling equipment 200 V or lower levels lower than 100 V Insulation testing of Insulation testing for maintaining low newly installed circuits voltage circuits or equipment handling sooy o of circuits or equip levels lower than 600 V insulation test ment handling levels ing of circuits or equipment handling lower than 600 V 100 V 200 V or 400 V levels upon general equipment completion of installation Insulation testing of circuits or equip arate Cae ment handling constantly high operat 4000 V__ or facilities handling ing voltages e g high tension cables levels higher than 600 high voltage electric equipment and V general equipment communications equipment and elec tric circuits handling high voltages Insulation Testers Test Methods for Low voltage Circuits Insulation resistance between cables of a low voltage circuit and between the circuit and ground is tested for each circuit that can be separated by a switch or overcurrent breaker installed as specified by the electrotechnical equipment standards The low voltage circuit is shut down by opening the switch and insulation be tween cables of the circuit and between the circuit and ground is tested If the measured value is below the rated resistance all shunt switches of a trunk line are opened and insulation is tested separately for each shunt circuit The comparator function of the MY40 insulation tester allows for smooth judgm
13. ent when checking the insulation of electric circuits Methods of Scaling the 1st and 2nd Effective Measuring Ranges of Moving pointer Insulation Testers Central scale value First effective measuring range 2 Second effective measuring range Rated test voltage 25 V Maximum effective reading 5 MQ 0 5 0 07 0 005 O Maximum effective reading The maximum reading that is indicated on the insulation tester and falls with in the range with which the accuracy of the insulation tester is guaranteed Effective test range A test range or ranges among those of the insulation tester over which accuracy specified in the standards is guaranteed In moving pointer insu lation testers the range from a resistance value one thousandth 1 1000 the maximum effective reading to the resistance value that is nearest to half 1 2 the maximum effective reading and equal to the maximum effec tive reading multiplied by 1 2 or 5 or by any of these values multiplied by ten 10 raised to a whole number power shall be referred to as a first ef fective measuring range In addition the range from the upper limit of the first effective measuring range to the maximum effective reading and the range from the lower limit of the first effective measuring range to the zero 0 reading shall be referred to as second effective measuring ranges see the figure above In digital insulation testers the first and second
14. hange in the reading must be within the specified tolerance range when the tester is left to stand for one hour under a relative hu midity of 90 A change in the reading must not exceed 3 analog and be no more than 1 2 digital at each of the maximum minimum and central scale values of the first effective measuring range when an external magnetic field of 400 A m DC is applied to the direc tion where the effect thereof is the most significant Same as to the left except that a change at the central scale value must be read Effect of inclination A change in the infinite scale value co must not exceed 2 of the scale length when the tester is inclined 90 forward or backward and leftward or rightward from the horizontal position Also a change in the reading must not exceed 15 at each of the maximum minimum and central scale values of A change in the infinite scale value co must not exceed 2 of the scale length when the tester is inclined 30 forward or backward and leftward or rightward from the horizontal position Effect of external voltage application No damage should be present when a 50 Hz or 60 Hz AC voltage with an amplitude 1 2 times the rated test range is applied across the test terminals for 10 seconds each time the tester switch is turned ON and OFF Nor should the user be subjected to any danger Same as to the left except that the voltage is applied for 10 seconds with the tester
15. ion Degree 2 installations for indoor use User s manual Product Part Number Qty Protection cover 93013 1 Shoulder strap 99005 1 Line probe 98001 1 Earth probe 98002 1 1 4 Batteries 0 25MQ 0 5 0 6mA 0 5 0 6mA The minimum value at which the rated voltage can be maintained Tolerances under the above mentioned conditions Resistance measurement First effective measuring range 5 of reading Second effective measuring range 10 of reading Infinite and zero scale values 0 7 max of scale length AC voltage 10 of maximum scale value No load voltage 130 max of rated voltage Rated measuring current 1 mA 0 to 20 when in first effective measuring range Short circuit current 12 mA max tegi r aT i 1 93013 Aa Protection cover wr L Fl 93015 Carrying case case for housing both the main unit and accessories B9108XA Accessory housing case 3213A Series of Analog Insulation iig S sini 321341 100V 20MQ 0 02 20MQ 0 5MQ 0 150V 0 1MQ 1mA 321342 250V 50MQ 0 05 50MQ 1MQ 0 250V 0 25MQ 1mA 321343 500V 100MQ 0 1 100MQ 2MQ 0 300V 0 5MQ 1mA 321344 500V 1000MQ 1 1000MQ 20MQ 0 300V 0 5MQ 1mA 321345 1000V 2000MQ 2 2000MQ 50MQ 0 300V 1MQ 1mA The minimum value at which the rated voltage can be maintained 0 55 mA in the case of the first effective measuring range Standard test
16. mA 1000V 2000MQ 1 2000MQ 240633 125V 20MQ 0 01 20MQ 0 125MQ 1mA 240643 250V 50MQ 0 01 50MQ 0 25MQ 1mA 500V 100MQ 0 05 100MQ 0 5MQ 1mA 240634 250V 50MQ 0 01 50MQ 0 25MQ 1mA 240644 500V 100MQ 0 05 100MQ 0 5MQ 1MQ 240635 250V 500MQ 0 1 500MQ 10MQ 1mA 240645 500V 1000MQ 0 5 1000MQ 20MQ 1mA 1000V 2000MQ 1 2000MQ 5OMQ 1mA EL backlit Non backlit The minimum value at which the rated voltage can be maintained 0 55 mA in the case of the first effective measuring range Scale length Approx 86 mm outer scale Discharge function The tester automatically begins discharge when you turn off the MEAS switch The pointer swings if there is any residual voltage in the circuit under test You can make sure discharge is complete by checking that the pointer swings back to the infinite cc scale value measurement mode Under this condition the tester is ready to enter voltage AC voltage measurement AC voltage measurement is possible wherever the rotary switch is positioned Dimensions main unit Approx 120 W x 110 H x 60 D mm Weight Approx 500 g including batteries Batteries Six AA R6P batteries Accessories See the list of accessories on the backside of this bulletin for information on accessories Product Earth and Line probes Carrying case User s manual Batteries Part Number 98007 B9075MU Qty Remarks Earth probe bl
17. nsulation Tester Model 2404 including case Dimensions Approx 112 x 184 x 105 mm Weight Approx 1 3 kg Earth Tester Model 3235 including case Dimensions Approx 210 x 140 x 135 mm Weight Approx 2 5 kg including case Automatic Power Distribution Tester Model 3207 with case Dimensions Approx 210 x 140 x 142 mm Weight Approx 2 3 kg main unit only Insulation Testers Quick reference Table of Accessories MY10 MY40 99011 O O B9600GN O B9600ONW O B9600NX O B9600NZ O B9635JK O Line probe 98007 98001 98001 Earth probe Earth and Line probes 98002 98002 Measuring Lead unit B9634FA B9205VA Paired earth line terminals Probe with switch 321802 B9204FX n n Pag Or housmg Spare Probe Ups PSEUODN A eae plastic part of a probe Accessory housing case B9646CA B9108XA B9108XA B9108XA tip may not always match that of the probe de Carrying case B9634FF B9600HA B9075MU hard case 93015 93015 pending on the combination w accessory ra case Store main unit Store main unit 1 Regarding external dimensions of cases housing case accessory housing case accessories accessories Pls refer to each product specification Protection cover 93013 93013 Shoulder strap 99005 99005 Testing shank Metal shank with 6 screw Handle B9303XE 2 Fastening nut ABS resin Lead for guard terminals 321803 321803 3 PVC clad E Spare
18. when the battery check is performed Overall scale length Approx 78 mm afterglow illuminated scale plate AC voltage measurement If any AC voltage is present across the test terminals the tester lets you know by pointing to an AC voltage value and turning on the LED lamp You can perform AC voltage measurement with the MEAS switch turned off Additional functions e Automatic discharge function If the object under test remains electrified after the MEAS switch is turned off the tester lets you know by turning on the LED lamp If you leave the tester connected to the electrified object the tester automatically begins to discharge electricity and then finishes discharging the LED lamp comes on and then goes out When the object under test is capacitive and electrified the tester lets you know by turning on the LED lamp When left connected to the object the tester automatically discharges electricity thus preventing possible electric shock or spike noise at power on e Battery check BAT mark on the scale plate Battery life Approx 10 hours when continuously operated on manga nese oxide batteries with the pointer pointing to the central scale value Batteries Four AA R6P batteries Dimensions Approx 125 W x 103 H x 53 D mm excluding protrusions Weight Approx 400 g main unit and batteries only excluding accessories Compliance EN61010 1 1993 EN61010 2 31 1995 Overvoltage Category Ill Pollut
Download Pdf Manuals
Related Search