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1. If the resistance value during measurement is greater than or equal to compensation value the message Cal remain lit not blinking If the resistance value during measurement is lower than compensation value the word Cal is blinking and it is necessary to repeat the test leads resistance compensation e The compensation value is permanently stored until a new compensation or cancellation of compensation is carried out Carry out new compensation always after connecting new test wires crocodile clips test tips etc to the instrument It is not necessary to carry out new compensation after switching off the instrument or after removing and reinserting the batteries Cancellation of test lead resistance compensation Press and release the CAL ELEC key when test tips are either open or connected to resistance greater then 4 Q Compensation is cancelled It is signalized by blue X CAL message DIGIOHMpro Manual range selection e After entering the R function measuring range is chosen automatically e Ifnecessary you can press and release the RANGE key to select a certain range thus disable and eventually re enable auto ranging A Important notices for resistance measurement Do not connect test tips to external voltage in the R function Such status is indicated by beeper and the symbol Uin but despite it the instrument can be damaged Measurement of low resistance with 200 mA current heavily loads the supply accum
2. 10D 4 z MH 12 D 2 00 43 00 0 01 2 zZMH 5D 3 zMH 7 D 43 0 650 0 0 1 2 ZMH 5D 3 z MH 7 D AC voltage TRMS value Measuring range Resolution V Reference error V Operating error 0 000 2 000 0 001 3 z MH 10D 4 z MH 12 D 2 00 30 00 0 01 2 zMH 6D 3 zMH 8D 30 0 460 0 0 1 2 zMH 6D 3 z MH 8 D Specified accuracy is valid for THD lt 2 Frequency range 48 52 Hz Notes to the parameters stated in chapter 5 1 a Stated accuracy of Continuity measurement is valid only if no parallel circuits are connected to measured resistance b Thresholds of auto ranging may differ from the stated values c R Reading D Digit 16 DIGIOHMpro 5 2 General data Power supply 4x AAA alkaline battery 1 5 V or NIMH accumulator 1 2 V Over voltage class protective caps of the test tips inserted CAT III 300 V protective cap s of the test tip s removed CAT II 300 V Pollution degree 2 Protective class II double insulation Degree of protection IP 40 Dimensions about 255x70x40 mm Weight including batteries and movable test tip about 0 36 kg Maximum altitude for use of the device 2000 meters Reference conditions ambient temperature 23 2 C relative humidity 40 60 non condensing mains voltage 230 V 2 50 Hz 1 instrument s position arbitrary Operating conditions ambi
3. 3 3 2 Function R The R function is for continuity low resistance measurement Measurement e Check that there is no external voltage applied on measured resistance see chapter 3 3 1 function U e Press and release the U R e gt key to select R function Measured resistance value is displayed or Q is displayed if measured value is gt 200Q e Resistance measurement is blocked in the following cases e external voltage is applied on test tips e external voltage is on the measured resistor caused by flowing of an external current through the measured resistor e the voltage induced in the measuring wires which are unconnected This is indicated by 5x beeps the symbol Uin is displayed too The instrument remains in voltage measurement function U To switch it to R function is possible after disconnecting the voltage from the test tips If an external voltage appears on measure resistance during measurement this state is indicated by the Uin message on display and by continuous beeping Test lead resistance compensation calibration It is recommended to carry out test lead compensation before measurement After test lead resistance compensation is carried out it is automatically subtracted from all resistance measurements and thus only actual value of measured resistance is displayed e Short the test tips After displayed value is stabilized press and release the CAL ELEC key It is signalized by yellow Cal message
4. If you see a low battery indicator or if there are other problems for example spontaneous shutdown of the instrument display flickers malfunction of control keys etc insert new fully charged NiMH batteries or the quality alkaline batteries See chapter 4 1 for instructions how to do it e Ifthe device measures the voltage and if resistance is not measured check the fuse which is located under the batteries fuse compartment cover See chapter 4 1 for instructions how to do it 3 3 Voltage and resistance measurement Repeatedly press and release the U R e key to select between the following measurement functions 3 3 1 Function U The U function is for voltage measurement e Voltage measurement function is selected whenever you turn on the instrument Repeatedly press and release the U R e gt key if other function is selected and you need to measure voltage e Connect test tips to measured voltage The measured value is displayed The symbol is displayed in the case of AC voltage Polarity symbol is displayed in the case of DC voltage if the positive pole is connected to the test tip on instrument s case it is indicated by the negative pole is indicated by symbol e The CAL ELEC key activates and deactivates the ELEC function if the function is activated the load resistor approx 280kQ is connected to measured circuit If this feature is enabled the display shows ELEC 8 DIGIOHMpro
5. socket for accumulators charger see Fig 2 1 If accumulators are fully discharged the charging takes about 6 hours applies to batteries with a capacity of 800 mAh Prolonged charging is not a problem however do not charge accumulators for more than 12 hours Notes e Do not charge alkaline cells it may lead to explosion leakage etc This can cause serious damage or destruction of instrument e During charging of new accumulators or ones that were unused for a longer period few months unpredictable chemical processes may arise As a result the instrument operation time can be significantly reduced In this case we recommend several charge with optional charger discharge normal use of the instruments cycles Another way is to use a stand alone intelligent charger which discharge charge each cell individually The discharge charge cycle is automatically executed see instruction manual for the charger used After the procedure the capacity of the accumulators should return to normal The above described cycle in stand alone intelligent charger is recommended every few months to make e lf after several cycles of the above described discharge charge capacity of the accumulators does not return to normal this may be due to the fact that the one or more accumulators are degraded whereas the built in accumulator charger charges all cells connected in series at the same time and even one bad or just different cell n
6. Fig 2 1 Top side When not in use the instrument s body and the movable test tip can slide one into another in such a way that they form a compact unit while the sharp end of the measuring tips are safely hidden Against accidental ejection are both parts secured by non contact magnetic latch 5 DIGIOHMpro screws securing the batteries fuse information label the batteries fuse compartment cover compartment cover Fig 2 2 Detail of bottom side 2 2 Control panel and OLED display Graphical OLED display The START key Hold it until the instrument is switched on The instrument is turned off after two short pressing releasing LED can be switched on off by briefly pressing and releasing The U R e key It toggles between measurement of voltage resistance and beeper functions The FUNC key It toggles between one pole phase phase rotation and DIGISORT functions The RANGE key It selects a certain range thus disable and eventually re enable auto ranging on resistance measurement The CAL ELEC key On resistance measurement it is used for test lead resistance compensation On voltage measurement it loads measured circuit with load resistor approx 280kQ Fig 2 3 Control panel and OLED display 6 DIGIOHMpro 2 3 Included in the set DIGIOHMpro Twisted test lead with measuring tip Pouch User s Manual Calibration Certificate Cardboard shipping case 2 4 Optiona
7. GIOHMpro can measure Continuity low resistance AC DC voltage Single pole phase live conductor test Contactless indication of AC voltage Phase sequence test Distinguish deenergized conductors by means of the transmitter DIGIsort optional accessories DIGIOHMpro 1 3 Standards applied Measurements EMC Safety EN 61557 4 EN 55022 class B EN 61010 1 EN 61326 1 EN 61010 2 031 EN 61000 4 2 3 4 5 6 1 4 Ecology Shipping case It is made of cardboard and is recyclable Please hand it to a collection point of secondary raw materials in accordance with local regulations Batteries Please dispose of used batteries in the designated locations in accordance with local regulations The instrument This symbol on the product packaging or the accompanying documentation indicates that the product should not be dispose of in municipal waste mum Please dispose of it in accordance with local regulations DIGIOHMpro 2 DESCRIPTION OF THE INSTRUMENT 2 1 Instrument s case test tip on instrument s case A LED OLED display control panel instrument s case sliding protective A Ea cover e Use original accessories only e Max allowed voltage between test tip and ground is 300V e Max allowed voltage between socket for test tips is accumulator s 460VAC 650VDC charger movable test tip movable test tip s ferminal tor banana connecting of movable test tip
8. USER S MANUAL DIGIOHMpro DIGIOHMpro 1 INTRODUCTION 22 fotos areca oe lect ected eee eee tee ne 2 d PUES oy gt 8 Sennen en ete Sear em mere Reni nS eee ese rt Meee oem eer oe Ae ee ee 2 1 2 General description of the instrument cccccceeceeeeeeeeeeees 3 1 3 Standards applied cS cae nese sedate eecaend ed dele nas Settee viwadnoomeecn na eete 4 TA CE COIOGW fase cas tescan sean dias R te 8 coeehae ca anon suee elder se E E a 4 2 DESCRIPTION OF THE INSTRUMENT c cscceeseseeeeeeeeeeees 5 21 SEMIS SS CASS ensi ni e E a E R E ihe 5 2 2 Control panel and OLED display snnnnnennneannnenainerrrrrernrrre reren 6 2 3 Included WV AAS set arna a e beavis T A LE TEE 7 ZA Optional acceSsSo ieS irens a E TON AERA 7 2 5 Putting the instrument into operation ccceeceeeeeeeetteeeeees 7 3 MEASUREMENTS iooecsicscccivicecnnetve ccs ccewpineceand nbccsumieteseaetadenceuwodess 8 3 1 Turning the instrument on and off standby auto power off 8 3 2 Notes and principles applicable to all measurements 8 3 3 Voltage and resistance measurement cece eeeteeeeeees 8 rs tro bat oh col 0 1g 01116 a f1 S PEE emcee ee ne eee Eee Meee nee Re E 8 Sn UT 01010 a M Sector ha A AA eta 9 3 3 3 Function e gt beeper xis 2 Sareea ennenen eneee ht eae ales aaa Aaae 10 3 4 Phase live conductor test phase sequence test DIGISORT 10 3 4 1 Singl
9. age on the conductors is indicated by the Uin message on the display In this case immediately disconnect the transmitter DIGIsort risk of damage The length of conductor gt 300 m too high capacitance high induced voltage etc may cause malfunction of the DIGISORT function 3 5 Other functions of the instrument lIlumination of measurement point with white LED LED can be switched on off by briefly pressing and releasing the START key Note The test tips have to be without applied voltage 3 6 RESET of the instrument If the device does not operate as described in this manual we recommend RESET disconnect both test tips from tested object and turn off the instrument It the proper function is not restored after turning on the instrument than turn it off again remove batteries the procedure is described in chapter 4 1 wait at least 10 seconds and then insert them into the instrument again If problems persist e g a spontaneous shutdown of the instrument flickering of the display malfunction of control keys etc insert a new fully charged NiMH batteries or new high quality alkaline batteries If the instrument measures the voltage and if resistance is not measured check the fuse which is located under the batteries fuse compartment cover See chapter 4 1 for instructions how to do it If the instrument still does not work properly put the instrument out of operation remove batteries the procedure is describ
10. an be switched in two steps by the RANGE key e Acoustic signalization can be switched on off by the CAL ELEC key e Touching the test tip on the instrument s case to the measured conductor with voltage 2 190 V 48 52 Hz against the earth the L symbol is displayed on the left side of the display 10 DIGIOHMpro A Important notices for proper indication of phase This function can only be used in TT and TN systems Hold the instrument in your hand palm in a standard way For correct function of phase indication it is necessary that the test tip is connected to the phase voltage for at least 2 The voltage must be 2 190 V 48 52 Hz against the earth otherwise phase indication may not work properly Verification of live circuit shouldn t be depending on the single pole phase test only but on the voltage measurement the U function 3 4 2 Phase sequence test This function is intended for testing of phase sequence rotation e Press and release the FUNC key to select the phase sequence test function 41 is displayed e Connect the test tips between two phases 1 2 is displayed e After about 2 seconds the display shows a moving symbol 1 2 ___ 3 e Disconnect the test tip on the instrument s case from second phase conductor and connect it immediately to third phase conductor The display shows the phase sequence 1 2 3 or 1 3 2 and the symbol of a rotating wheel in the direct
11. e pole contactless phase indication eeeeeeeeeeeees 10 3 4 2 Phase sequence test 5 2 03 g ckeiin cease hires 11 3 4 3 Function DIGISORT with DIGlsort optional transmitter only 11 3 5 Other functions of the instruMent cece eeccc cee eeeeee ee eees 12 3 6 RESET of the instrument 0 00 ccccceesccce ee eceeceeeeeeenn ees 12 4 MAINTENANCE ciaidd aeiae een eee 13 4 1 Batteries and fuse replaceMent c cece eceeee ee eeeeeeeeeees 13 4 1 1 Inserting and replacing the batteries accumulators 13 4 1 2 Charging of accumulators 2 cece ccc c eee c cece eee eeeeteeeeeeeeeeeeeeeees 14 4 1 3 Replacing the fuse x xasccstvivindiceares aataeatacaresvaveatiiaivedaee rererere nenn 14 AP IBAA oa a e a a e e a a EA ATE 15 ASC ADPAUOM Ae ane EAA N A N SE 15 AAS SII S naaa aa a a a E Mle e E ae 15 5 TECHNICAL SPECIFICATION cccccsseeeeceessesecenneeccnnseeesonees 16 SI FUNCIONS Sinna sats EE E cuneate Bali E caste 16 ers Gene halal dais cede n E T E O 17 DIGIOHMpro 1 INTRODUCTION 1 1 Safety Read this User s Manual carefully and completely and follow all A instructions contained therein Otherwise using of the instrument may be dangerous for operator for installation under test under test or for the instrument Explanation of the symbols on the instruments O Protection class double insulati
12. ed in chapter 4 1 secure it against any unintended operation and contact your distributor or service 12 DIGIOHMpro 4 MAINTENANCE 4 1 Batteries and fuse replacement A Dangerous voltage in batteries fuse compartment A Disconnect both test tips from tested object and turn off the instrument before removing the batteries fuse compartment cover or before connecting jack to the socket for accumulator charger A The instrument must not be put into operation without the batteries fuse compartment cover properly fastened by both screws The instrument uses four AAA either alkaline cells or NiMH accumulators The batteries accumulators are continuously monitored see description in the Chapter 3 2 If batteries accumulators are low it must be replaced charged 4 1 1 Inserting and replacing the batteries accumulators Batteries accumulators are inserted into the device by unscrewing two screws and removing the batteries fuse compartment cover see Fig 2 2 Then remove old batteries accumulators and insert new ones Observe correct polarity Fig 4 1 Correct batteries accumulators polarity and the fuse location Always replace all four batteries accumulators Use only high quality types aod DIGIOHMpro 4 1 2 Charging of accumulators A For charging of accumulators use only adapter supplied as optional accessories Accumulators are charged as soon as the adapter is connected to mains and to
13. egatively affects the entire accumulator pack It may result in uneven charging of cells excessive heating of the cell s during charging etc In this case we recommend that a faulty cell is identified with an intelligent stand alone charger or at least comparing the voltage of each cell and then a faulty cell replace with a new one e The above described effects can not be confused with a normal reduction in accumulators capacity over time All accumulators with a growing number of charge discharge cycles gradually loose capacity This is normal depending on accumulator type the number and parameters of the discharge charge cycles 4 1 3 Replacing the fuse A Replace the fuse by the same type only GF F0 5A 500V breaking capacity 1500A dimensions 32x6 3mm Using of another type of fuse can cause damage of the instrument and or operator s safety can no longer be guaranteed 14 DIGIOHMpro For replacing the fuse unscrew two screws and remove the batteries fuse compartment cover see Fig 2 2 Then remove blown fuse from the fuse holder see Fig 4 1 with a suitable tool e g a small screwdriver and put in its place the new fuse Then put the batteries fuse compartment cover back and secure it with two screws Verify the instrument s functionality 4 2 Cleaning Disconnect both test tips from tested object and turn off the instrument before cleaning Wait until the instrument becomes totally dry before u
14. ent temperature 0 40 C relative humidity max 85 non condensing mains voltage 190 260 V 48 52 Hz instrument s position arbitrary Storage conditions ambient temperature 10 70 C relative humidity max 90 10 40 C non condensing max 80 40 70 C instrument s position arbitrary Note The instructions for use of the instrument in this manual are current when delivered together with the instrument but may not match the older or newer version of the instrument s firmware Firmware can also be updated during calibration and repair of the instrument Updating the firmware can cause changes and or additions to the device functions so we recommend checking the validity of the manual on www illko cz in relation to the firmware version 2014 2015 ILLKO s r o Any copying or distribution of this manual or its parts is allowed only with written permission of ILLKO s r o Ups 8 15 V 1 2 EN
15. ion of the expected phase rotation Displaying is finished after about 10 seconds after the test tips are disconnected from the tested mains e The voltage value is displayed during the test too A Important notices for proper indication of phase sequence Connect the test tips with tested conductors thoroughly and steadily Phase voltage must be 230 10 48 52 Hz 3 4 3 Function DIGISORT with DIGlsort optional transmitter only The DIGISORT function is intended for distinguishing of up to 12 deenergized conductors e Choose one conductor as common conductor for example cable shielding or protective conductor e Ensure by voltage measurement that all conductors are disconnected from the power supply e On the opposite end of the bundle of conductors connect the transmitter DIGlsort Terminal GND connect to dedicated common conductor terminals 1 12 to other conductors Turn on the power of DIGlsort e Select on the DIGOHMpro function DIGISORT by the FUNC key In the upper part of the display there is displayed DIGISORT and in the lower part 11 DIGIOHMpro e Connect one test tip to the designated common conductor Then touch with the second test tip a conductor then another conductor etc DIGIOHMpro always displays the number of conductor corresponding to the numbered terminal of the DIGIsort on the opposite end A Important notices for proper function of the DIGISORT function The presence of volt
16. l accessories P 5050 adapter for charging accumulators P 5060 set of 4 NIMH AAA accumulators P 2011 test lead black 2 m P 3011 test tip black P 4011 crocodile clip black P 8060 transmitter DIGlsort enables to distinguish deenergized conductors Note optional accessories P 2011 P 3011 respectively P 2011 P 4011 can be connected instead of twisted test lead with measuring tip 2 5 Putting the instrument into operation Putting the instrument into operation consists of inserting the batteries or accumulators the procedure is described in the Chapter 4 1 of this manual DIGIOHMpro 3 MEASUREMENTS 3 1 Turning the instrument on and off standby auto power off Hold the START key pressed until the device turns on The instrument is turned off after two short pressing releasing the START key The instrument enters standby mode reduced display brightness after short time of inactivity no key pressed no voltage applied on the test tips From standby mode to full display brightness the instrument enters after pressing any key or by applying the voltage on the test tips Auto power off occurs when the instrument is idle no key pressed no voltage applied on the test tips for about a minute After turning off the device can be switched on again after about 1s 3 2 Notes and principles applicable to all measurements e Use only charged NiMH batteries or the quality alkaline batteries
17. on Danger of electric shock Warning concerning a point of danger Read User s Manual and observe all precautions C The instrument meets the requirements of relevant European standards A If there is reason to believe that safe operation has become impossible put the instrument out of operation and secure it against any unintended operation Safe operation must be presumed to be no longer possible if The instrument does not operate properly any longer In this case we recommend RESET as described in the Chapter 3 6 e The instrument cables connectors plugs or accessories exhibits visible damages The instrument was stored under unfavourable conditions for a long period The instrument was exposed to extraordinary stress caused by transport The batteries fuse compartment cover is not properly fastened by both screws A Observe the following safety precautions e Make sure that the instrument measuring cables and all other accessories are in flawless condition e g no damaged insulation no broken cables or plugs etc e Do not touch conductive parts of test tips crocodiles test cables etc even if only one test tip crocodile test cable etc is connected to installation DANGER OF ELECTRIC SHOCK e Use only standard or optional accessories supplied by your distributor see chapters 2 3 and 2 4 e tis necessary to respect all safety regulations applicable to particular measurement e Do not pre
18. sing it Use soft cloth slightly moistened with lukewarm soap water for plastic case cleaning Do not spill cleaning liquid over the instrument Do not use cleaning liquids based on petrol hydrocarbons etc 4 3 Calibration Measuring instruments should be regularly calibrated We recommend interval of calibration 1 year Furthermore we recommend carrying out calibration after each repair Contact your local distributor for further information 4 4 Service Manufacturer service ILLKO s r o i Masarykova 2226 ILLKO M sro 678 01 Blansko Czech Republic tel fax 420 516 417 355 e mail illko illko cz http www illko cz Contact your local distributor for further information Unauthorized persons are not allowed to open the instrument There are no replaceable components inside the instrument except batteries and the fuse refer to the Chapter 4 1 15 DIGIOHMpro 5 TECHNICAL SPECIFICATION 5 1 Functions Continuity Operating range of use according to EN 61557 4 0 028 Q 200 Q Test current 2 200 mA atR lt 2 Q Measuring range Q Resolution Q Reference error Operating error 0 000 4 000 0 001 3 zMH 5D 4 z MH 7 D 4 00 20 00 0 01 2 zMH 5D 3 z MH 7 D 20 0 200 0 0 1 2 zMH 4D 3 z MH 6 D DC voltage Measuring range Resolution V Reference error V Operating error 0 000 2 000 0 001 3 z MH
19. ss any key unless otherwise stated in this manual when connecting the instrument to the measured installation e Do not expose the instrument to aggressive gases vapours liquids and dust 2 DIGIOHMpro e The instrument can be used only under conditions that are specified in Technical Specification see Chapter 5 e If you have transferred the unit from cold to hot environment it can cause the condensation We recommend a short acclimatization e Ifthe instrument will be out of operation for a longer time about 1 month or more it is strongly recommended to remove the batteries This prevents the possibility of leakage into the device Leakage can cause serious damage or to destroy the instrument e The instrument contains two fairly strong magnets Do not leave them near the equipment and items that could be damaged by the magnetic field such as watches credit cards with magnetic strips etc e Images in this manual are illustrative and may vary slightly from the actual state 1 2 General description of the instrument The DIGIOHMpro is a compact instrument with patent protected storage system of the test tips in the transport position sharp tips are safely hidden High contrast bright multicolour graphic OLED display ensures excellent legibility When measured under low light conditions it is possible to illuminate the measured object by a bright white LED light positioned on the front side of the housing The DI
20. ulators batteries of the instrument Carry out resistance measurement only for necessary period of time If you see a low battery indicator or if there are other problems for example spontaneous shutdown of the instrument display flickers malfunction of control keys etc insert new fully charged NiMH batteries or the quality alkaline batteries See chapter 4 1 for instructions how to do it 3 3 3 Function e gt beeper The e gt function is intended for measurement of resistance in range 0 4 Q If measured value is between 0 4 Q it is signalized by beeper Follow the same measuring procedure and consider the same warnings that are stated for the resistance function R see chapter 3 3 2 3 4 Phase live conductor test phase sequence test DIGISORT Repeatedly press and release the FUNC key to select between the following measurement functions 3 4 1 Single pole contactless phase indication This function is suitable for contactless indication of the presence of voltage on conductor device and contact single pole indication of the phase conductor e Press and release the FUNC key to select the phase indication function The right side of the display briefly displays bar graph and the left side displays X on a blue field e Approaching the test tip on the instrument s case to the conductor device under voltage bar graph indicates the growing intensity of the electric field e Sensitivity c

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