User Manual
Contents
1. 0000000000 RE PN NIE P ME A AMEN MN 0000 00000000 0000000000 0000000000 000000 32 15 Laboratory services Measurement Laboratory of SONEL SA offers tests and certification of the following in struments in the scope of their electrical non electrical features infra red cameras pyrometers meters for conducting the following electrical protective measurements insulation re sistance earth resistance and impedance short circuit loops RCD parameters and multi functional meters that perform the above functions electrical safety meters power quality analysers meters for measuring low resistance values voltage meters current meters including clamp meters resistance meters and multime ters light meters A calibration certificate is a document confirming compliance of parameters declared by the manufacturer of tested device with national standards specifying the measurement uncer tainty In accordance with PN ISO 10012 1 Annex A Requirements for assuring quality of measurement equipment The system for approving metrological measuring equipment SONEL S A recommends for its instruments to be periodically tested observing 13 month intervals For new devices with calibration certificates the next metrological inspection calibration is recommended within 13 months from the date of purchase but not later than 19 months from the date of manufacture Note In case o2. OPERATING MANUAL INSULATION RESISTANCE METER MIC 2501 umop dn yejnuBu uonoejesAJus 1 jeuonounJ J3O NO 1uBipioeq ueaJos pue Ajddns 1ewod WIN A0S4 0 dn Buunseaui nN jo y A 0092 001 jo eBuei y pejsn pe 1S9 eo2uejsisaJ uonejnsuli jueujeJnseauu y uonounj jueuieunseauu y Buiu2jiMs 4 N pue Yy y lusweJnseau y 3ndu pajosjas TOSZ JIW joucs 4 v h Jen N JO JUBLUBINSBSW 10jonpuoo 5 LOS C OIIN uonounj jueujeJnseeul pe oe es su 5 037 jeuonippe Dunoejes 138 138 q Buisnoy y jo epis eu uo 1905 pue J8400S AZL jueujeunseeui y Buqdnualul uonounj y uinjaJ 263 eunpeooud jueujeunseaui y 5 1H VIS puey Sy 4 9 Ebner OPERATING MANUAL EARTH RESISTANCE METER MIC 2501 SONEL S A ul Wokulskiego 11 58 100 Swidnica Poland Version 1 00 15 06 2015 MIC 2501 meter is a modern high quality easy to use and measuring device Please
3. bank number is flashing 20 OPERATING MANUAL MIC 2501 version 1 00 Used and amp buttons to set the desired number of the bank Note While viewing Riso results the field of timer memory displays alternately bank and cell numbers and the time in which the result was entered into memory This applies to all Riso and IL measurements Press ESC to immediately display basic component of the result For Rconr there is no option of scrolling through the components of the result 5 3 Deleting memory data You can delete the entire memory or its individual banks 5 31 Deleting bank data Use lt lt or gt gt to browse the memory MEM LED iS 2 3 s Set the bank ber t ao et the bank number to the be deleted acc to sec Bank Cell tion 4 2 Set the cell number before 01 RcoNT Q 1100 I and the cell number will change into Bank Cell then symbol dEL wil be MJ displayed to indicate LI the readiness for delet ing JL LLL Press ENTER button OPERATING MANUAL MIC 2501 version 1 00 21 s 1 and L anf sym bols appear asking dE Bank Cell you to confirm dele L I4 oe tion CD 2 Press ENTER button again to delete the selected bank After deleting the bank the meter beeps three times Cancel by pressing ESC z
4. E e probe insulation resistance of floors and walls PRS 1 30 WAPRZ010BLBBE5K 10mshielded cable black cat IV 1000 V WAPRZO10REBB5K e 5kV cable 10 m red with banana plugs WAPRZ010BUBB5K e 5kV cable 10m blue terminated with bana na plugs WAPRZLAD12SAM e cable for charging the battery pack from the car cigarette lighter socket 12V OPERATING MANUAL MIC 2501 version 1 00 WAPROSONPE5 WAADACS1 Odczyt danych z miernika e cable simulator CS 1 LSWPLMIC2501 e SONEL Pomiary Elektryczne SONEL Calibration certificate Electrical Measurements software for generating measurement reports Note The software is supported by the following systems Windows XP Service Pack 2 or later 14 Manufacturer The manufacturer of the device and provider of guarantee and post guarantee service SONEL S A ul Wokulskiego 11 58 100 widnica Poland tel 48 74 858 38 60 fax 64 74 858 38 09 E mail export 2sonel pl Web page www sonel pl Note Service repairs must be performed only by the manufacturer OPERATING MANUAL MIC 2501 version 1 00 31 BELLIES LES LES REP V RP V RP V BEL LOL LPL BEL RB V BEL LOL LPL RB V BEL BEL LOL BEL BEL LOL LPL BEL BIEL RE V BEL LOL RUP IEE GRE REP BEL BRP 1 NR NNI NAE PN MN MN MN M i iN RN RN NB A MI
5. Significant parameter Additional uncertainty 0 Supply voltage 0 5 BAT is not lit Temperature 0 C 35 C OPERATING MANUAL MIC 2501 version 1 00 29 13 13 1 Standard equipment The standard set of equipment supplied by the manufacturer includes MIC 2501 meter WMPLMIC2501 shielded wire 1 8 m 5 ended with banana plugs black cat IV 1 kV WAPRZ1X8BLBB e shielded wire 1 8 m 5 kV ended with banana plugs red cat IV 1 kV WAPRZ1X8REBB shielded wire 1 8 m 5 ended with banana plugs blue cat IV 1 kV WAPRZ1X8BUBB crocodile clip 5 5 kV black cat IV 1 kV WAKROBL32K07 crocodile clip 5 5 kV red cat IV 1 WAKRORE32K07 crocodile clip 5 5 kV blue cat IV 1 kV WAKROBU32K07 E probe 5 kV red cat IV 1 kV WASONREOGB2 probe 5 kV black cat IV 1 kV WASONBLOGB2 external adapter for battery pack charging WAZASZ7 USB cable WAPRZUSB case WAFUTMe calibration certificate operating manual guarantee card 13 2 Optional accessories Additionally the following items that are not included in the scope of standard equipment can be purchased from the manufacturer or the distributors WAPRZO005BLBBE5K e bmshielded cable black cat IV 1000 V WAPRZOOS5REBB5K e 5kV cable 5m red with banana plugs WAPRZO05BUBB5K e 5kV cable 5m blue terminated with ba nana plugs WASONPRS1PL ESQ
6. eration of the meter If after restarting the device this situation is repeated it indicates that the meter is damaged Please contact the manufacturer s service Before measurement choose a correct measurement function and make sure that test leads are connected to respective measuring terminals Do not power the meter from sources other than those listed in this manual The Riso inputs of the meter are protected electronically from overload e g due to having been connected to a live circuit up to 750V rms for 60 seconds Repairs may be performed only by an authorised service point Note Due to continuous development of the meter s software the actual appearance of the display in case of some of the functions may slightly differ from the display presented in this operat ing manual OPERATING MANUAL MIC 2501 version 1 00 5 2 Turning meter ON and activating screen backlight W 2 Turn on the meter with Short press button to turn the screen backlight on press the button again to turn the backlight off Switch on the meter by pressing and and holding button for approx 2 sec Emergency situations 0 Q Pressing button for approx 7 seconds will turn off the meter in case of emergency 3 Meter Configuration 1 E Turn on the meter by pressing and keeping SETUP button pressed 2 Use buttons 9 to set Auto OFF N y Y time or
7. 1 and Rigo 0 OPERATING MANUAL MIC 2501 version 1 00 11 Note A During measurements of insulation resistance dangerous voltage of approx 2 5kV occurs at the ends of measurement wires of MIC 2501 meter A It is forbidden to disconnect test leads before the measurement is completed Failure to obey the above instruction will lead to high voltage electric shock and make it impossible to discharge the tested object Disabling t2 will also disable t3 Timer measuring the measurement time is started when voltage is stabilized Symbol LIMIT means operation with limited inverter power If this condition persists for 20 seconds the measurement is interrupted f the timer reaches characteristic points tx times or characteristic times then for 1s instead Ujso a symbol mnemonic of this point is displayed which is accompanied by a long beep During the measurement LED is flashing in yellow When the measurement is complete capacity of the tested object is discharged by shorting terminals Riso and Riso with resistance of approx 100 Message diS is displayed Do not disconnect the test leads before the object capacity id discharged When during viewing the results voltage is present at terminals Riso LED Riso will blink in red and additional two tone beep will be generated In case of power cables measure the insulation resistance between each conductor and other con ductors shorted
8. acquaint yourself with this manual in order to avoid measuring errors and prevent possible problems in opera tion of the meter 2 OPERATING MANUAL MIC 2501 version 1 00 CONTENTS 1 iu Et CL a RE SS Oe 5 2 TURNING THE METER ON AND ACTIVATING SCREEN BACKLIGHT 6 3 METER CONFIGURATION esscscseseseseseseseseseoscscsesesesesesesesesesecsoscsesesesesesesesesese 6 4 MEASUREMENTS 8 4 1 MEASUREMENT OF INSULATION RESISTANCE ccceccccecccceccececccceccecscscscscscuscscusascacs 8 4 1 1 Double lead 4 1 2 Three lead 13 4 2 LOW VOLTAGE MEASUREMENT OF RESISTANCE 1ccsceeceececceccecceccecnscucctccscascusences 14 4 2 1 Measurement of resistance of protective conductors and equipotential bonding With 200 M iua crei rite OOOO AAAA 14 4 2 2 Compensation of test leads resistance nennen 15 4 3 VOLTAGE MEASUREMEND OSOWO OOOO e ego bases te LECHE SS 16 5 MEMORY OF MEASUREMENT RESULTS 2 2s 0 000000000000000000000000000 18 5 1 STORING THE MEASUREMENT RESULTS IN THE 19 302 VIEWING MEMORY DATA adis ZA ee tema Pun UDA 20 2 3 DELETING MEMORY DATA 7 iR eoe cic ceu EA REL OG 21 Delenmg DONK A NE 21 3 2 Del
9. and grounded figure below 12 OPERATING MANUAL MIC 2501 version 1 00 Additional information displayed by meter 4 Test voltage is present on terminals of the meter Interference voltage higher than 25V but lower than 50V is pre sent on the tested object Measurement is possible but may be burdened with additional uncertainty READY disappears LED Interference voltage higher than 50 V is present on the tested ob lights red two tone beep ject The measurement is blocked Activation of current limit The symbol displayed is accompanied LIMIT I by a continuous beep Breakdown of the tested object insulation the measurement is in H terrupted The message appears after displaying LIMIT I for 20 s IL during the measurement when the voltage previously reached the nominal value t Riso LED is During the measurement AC voltage appeared or the object can blinking in red and two not be discharged for 30 seconds Immediately disconnect the tone acoustic signal is test leads generated 4 1 2 Three lead measurement In order to eliminate the influence of surface resistance in transformers cables etc the three lead measurement is used For example at the measurement of inter winding resistance of a transformer G socket of the meter should be connected to the transformer tank when measuring insulation resistance between one of the cable conductors and the cable jack et the effect of surface re
10. 80 reference temperate ddd EA dE needs 23 C 2 C rererence TUMI ook atte e ue aude 40 95 60 96 above level Leve a z eve e aa is ve taU oes 2000 m number of measurements Riso acc to PN EN 61557 2 approx 800 T Tr LCD memory of measurement results 99 4 deor Sdens prO etc ER eene ERN PA Tax uU PERDE 990 cells data transmissi diei a Sun daft aun su CU stp EIU USB connection quality standard design construction and manufacturing are ISO 9001 ISO 14001 PN N 18001 compliant the device meets the requirements of IEC 61557 standard the product meets EMC requirements immunity for industrial environment according to the fol lowing StANAAMS cccceeecseeeeeeeeeeseeeeeeeeeeseaaeeeeeeeeees EN 61326 1 2013 and EN 61326 2 2 2013 12 2 Additional data Data on additional uncertainties are useful mainly when the meter is used in non standard condi tions and for metrological laboratories for the purpose of calibration 12 2 1 Additional uncertainties according to IEC 61557 2 Riso Significant parameter Additional uncertainty 0 L 0 1 Supply voltage 0 BAT is not lit Temperature 0 C 35 C Es 0 1 C 12 2 2 Additional uncertainties according IEC 61557 4 R 200 mA
11. MANUAL MIC 2501 version 1 00 3 13 ACCESSORIES zc Gao da a Nadia 30 DIANDARDBOUIPMENT A eie a dO EKO 30 19 2 OPDIONALACCESSORIE oai a O 30 14 MANUFACTURER add ico U 31 IS LABORATORY SER VICES iii dice eoru delete 32 4 OPERATING MANUAL MIC 2501 version 1 00 1 Safety MIC 2501 meter is designed for performing check tests of protection against electric shock in mains systems The meter is used for making measurements and providing results to determine safety of electrical installations Therefore in order to provide conditions for correct operation and accuracy of obtained results the following recommendations must be observed Before you proceed to operate the meter acquaint yourself thoroughly with the present manual and observe the safety regulations and specifications provided by the producer Any application that differs from those specified in the present manual may result in a damage to the device and constitute a source of danger for the user MIC 2501 meters must be operated only by appropriately qualified personnel with relevant certifi cates authorising the personnel to perform works on electric systems Unauthorized use of the me ter may result in its damage and may be a source of serious hazard to the user During measurements of insulation resistance dangerous voltage of approx 2 5kV occurs at the ends of measurement wires of the meter Before the measurement of i
12. TION Do not power the meter from sources other than those listed in this manual OPERATING MANUAL MIC 2501 version 1 00 25 Note Due to interferences in the mains the process of battery pack charging may finish prematurely When charging time is too short turn off the meter and start charging again Additional information displayed by the meter Signaling Cause Solution tery pack is too high charging process again tery pack is too low enough Start charging process again Try to start the charging process again When powering the device from the cigarette lighter socket check whether Emergency the socket supplies 12V voltage If this does not help the battery pack may be damaged contact the manufacturer s service No battery icon when the The battery pack is dis Contact the manufacturer s service charger is connected connected or damaged 8 3 General principles regarding using Ni MH rechargeable batteries Displayed message Err ACU X where X is the number of error Store the he rechargeable batteries the meter in a dry cool and well ventilated place and protect them from direct sunlight The temperature of the environment in the case of prolonged storage should not exceed 30 C If the rechargeable batteries are stored for a long time in a high temperature then the occurring chemical processes may reduce their lifetime Rechargeable batteries usually lasts fo
13. The contents of the bank has been deleted 5 3 2 Deleting the whole memory Use lt lt or gt gt to browse the DZ NZ memory MEM LED is on 2 5 10 8 100 Set the bank number Ms ME as before 01 o Bank Cell 030 Q D gt 22 OPERATING MANUAL MIC 2501 version 1 00 Bank Cell Bank Cell d ror LOW du The entire contents of the memory has been deleted the bank number will change into then symbol dEL will be dis played to indicate the readiness for deleting the whole memory Press ENTER button A and L anf sym bols appear asking you to confirm dele tion Press ENTER again After deleting the memory the meter beeps three times OPERATING MANUAL MIC 2501 version 1 00 23 6 Data transmission 6 1 Computer connection accessories In order to operate the meter with a PC an USB cable and appropriate software are required If the required software has not been purchased with the meter it may be downloaded from the manu facturer s website or purchased form the manufacturer or its authorised distributor The software may be used for many devices manufactured by SONEL S A which are equipped with the USB interface or other depending on the selected device Detailed information is available from the manufacturer and distributors 6 2 Data transmission through USB port 1 Use lt l
14. ay be released The measurement will end after the longest pre set time t1 t2 or t3 runs out To interrupt or terminate the measurement earlier in the absence of pre set t1 t2 or t3 values measure ment without time limit press again START or ESC button 10 OPERATING MANUAL MIC 2501 version 1 00 View of the screen during measurement LOCK means that the measure u ment was started with uH ENTER button or by press ing and holding START but Riso GQ ton for approx 5 sec R Use SET SEL to to display leakage rent IL R LOCK s TA She S UD Riso Nu Q JILL 42 After the measurement is completed or stopped read the result The re fe sults of all completed 99 measurements will be dis played even when the sob JE t uc measurement was inter V LI rupted stopped e g after o GQ 60 seconds When the T meter switched into J standby mode the meas LI urement result may be re called by pressing ENTER Use E and e to see individual components of the result in the following order Hisol 5Ab2 Ab1 Rt3 It3 Rt2t2 Rt1 t1 Riso If the measurement is stopped the displayed val ues will present the results of partial measurements that have been completed and will represent uncompleted partial measurements If the characteristic was measured then the meas urement results may be read between
15. ed inside the meter and cooperates only with the manufacturer s re chargeable battery pack The charger is powered by external power supply adapter The device may be also powered from the car cigarette lighter socket 12V only using an optional charger Charging commences once the power supply has been connected to the meter regardless of the fact whether the meter is on or off only the charging mode is different as described below When the meter is switched off the charging process is indicated on the screen by displaying animated symbol of battery being charged when the meter is switched off the charging is indicated by blinking LED s of measurement functions they blink consecutively in red Charging modes the meter user interface is switched off the battery pack is charged in quick charging mode the charging process takes approx 4 hours Completed charging is indicated by full battery symbol FULL message and beep In order to fully turn the device off unplug the power charger the meter user interface is switched on the battery pack is charged in background charging mode the charging may be longer than the charging process of the device which is switched off Completed charging is indicated by full battery symbol and beep Ii the charging time exceeds 10 hours the me ter will automatically switch off for safety reasons In order to fully turn the device off unplug the power charger and turn the meter off CAU
16. emory Re cording is indicated by a triple beep Press ESC to return to the measurement screen without saving If you try to store data in an occupied memory cell the following warning message will appear OPERATING MANUAL MIC 2501 version 1 00 19 Bank Cell 9 Q After the measurement its result is shown on the display until e measurement function is changed Auto OFF function is activated e the meter detects interference voltage 50V e one of the following operations is performed o ESC button is pressed to exit to the voltmeter o next measurement is performed o anentry into the memory is introduced After exiting to the voltmeter by pressing ESC or after saving the results to the memory the last re sult may be recalled by pressing ENTER Complete set of results main result and supplementary results for a given measuring function and preset measurement settings are stored in the memory Press ENTER to overwrite the re sult or ESC to cancel and select other cell or bank Note 5 2 Viewing memory data is gt Use and e buttons to preview the results stored in the selected cell To change the cell number or bank number 2 YN A When the cell number is flashing use 4 and YJ Use lt lt or gt gt to browse the memory MEM buttons to set the desired number of the cell 3 Press SET SEL button
17. emory cell excluding After entering the measurement result the ID number of the cell is automatically increased It is recommended to delete the memory after reading the data or before performing a new series of measurements that may be stored into the same memory cells as the previous ones 5 1 Storing the measurement results in the memory 1 2 After completing measurement press ENTER 888 The is empty Bank Cell gan The cell is partially 4987 106 occupied by the same 9 006 type of result which Bank is to be entered 101 150 18 OPERATING MANUAL MIC 2501 version 1 00 O The cell is partially occupied by a differ Bank Cell ent type of result to 33 be entered symbols LI of the saved values Reonr CEJ are displayed WE cell is fully occu pied symbols mne Bun Oa monics of stored val ues are displayed Riso R CONT w w gt Use and a buttons to preview the results stored in the selected cell To change the cell number or bank number A O When the cell number is flashing use amp buttons to set the desired number of the cell Press SET SEL button bank number is flash Ing Use f and 8 buttons to set the desired number of the bank After selecting the desired bank and cell press ENTER button to save the result in the m
18. en range is exceeded the device displays gt 999 O message Other technical data O 5 3 SASS ee SE SE double acc to 61010 1 and IEC 61557 measurement category IV 600 V III 1000 V acc to EN 61010 1 degree of housing protection acc to EN 60529 65 power supply of the SONEL battery pack NiMH 9 6 V 2 Ah Ballet charging IME et usually 4 h max 10h parameters of the external power supply adapter 90 V 264 V 50 Hz 60 Hz REO E EP EORR NEUE 200 mm x 150 mm x 75 mm Misc eg T approx 1 0 kg allowable batter pack charging temperatures in mode 500mA 10 C 40 C temperatures at which the charging process is interrupted 0 C and 2 50 operating temperature range with external power supply adapter lt 0 C and 2 50 Storage TEMPS FAW Cesena od iP pave De ddan he 20 C 60 C as owo ees Y P ne aes 15 40 C ae ate 20
19. eting the whole MEMOTY Ereann GO A 22 6 DATA TRANSMISSION 24 6 1 COMPUTER CONNECTION ACCESSORIES csccsccsccsccsecceccsccuccuccuscaccescessescesccsscusceecs 24 6 2 DATA TRANSMISSION THROUGH USB 24 7 SOFTWARE UPDATES itii ie buena ade EE AiR PEE Sek RA WG 24 8 POWER SUPPLY 5 0 29 1 6 00002 b ucot ea eda ie debate Btc 25 8 1 MONITORING THE POWER SUPPLY 25 8 2 CHARGING THE BATTERY EW WA E E Cedar ud 25 6 3 GENERAL PRINCIPLES REGARDING USING NI MH RECHARGEABLE BATTERIES 26 9 CLEANING AND MAINTENANCE 2202000000000000000000000000000000000000000000000000000 27 I0 STORAGE on AE ala dotz 27 11 DISMANTLING AND DISPOSAL 22222020000000000000000000000000000000000000000000000000 27 12 TECHNICAL SPECIFICATIONS 22020000000000000000000000000000000000000000000000000000000 27 ISTE CDAD mec 27 122 VADDITIONALDATAUS diets R BC Ak ECA a 29 12 2 1 Additional uncertainties according to IEC 61557 2 29 12 2 2 Additional uncertainties according to IEC 61557 4 R 200 mA 29 OPERATING
20. f instruments used for tests related to the protection against electric shock the person performing measurements should have complete confidence in the efficiency of operated apparatus Measurements carried out with malfunction ing meter may cause wrong assessment of tested equipment in terms of its protec tion features LEBEL REP RIP RIP RIP DRE 4 PRE LPL IPE A 8 IBLE LEI ERR V REY PY DRE 4 BEEE 4 PRE RT 4 BERE 4 R 4 BPEL LEI 8 U LEI RR RE ZR RIZR 04 PY DRE 4 ERE 4 00 4 0 4 R U BEI RR U R BBY BES OPERATING MANUAL MIC 2501 version 1 00 O NAR NR NS RRR 0 0000000000 0 00 0000000000 SM S MN ON OM NE NEN REO F SONEL SIA Wokulskiego 11 St 58 100 Swidnica Poland Ty 48 74 85 83 860 48 74 85 83 800 fax 48 74 85 83 808 http www sonel pl e mail export sonel pl
21. her voltages the range limits may be read from the chart below Voltage up to 100 V 200 V 400 V 100 GO 500 V 900 V 250 GO 1000 V 2400 V 500 GO 2500 V 1000 GO Note For insulation resistance below Risomn there is no accuracy specified because the meter works with the adjustable current limit in accordance with the following formula Riso min where Risomin minimum insulation resistance measured without limiting the converter current Uisonom nominal test voltage lisonom nominal inverter current 1 mA Measurement of leakage current Display range Basic uncertainty ing on 0 lLmax culated basing re sistance measurements ILmax maximum current at short circuit of leads resolution and units result from the measurement range of individual insulation resistance Low voltage measurement of continuity of circuit and resistance Measurement of continuity of protective conductors and equipotential bondings with 200 mA current Measuring range according to IEC 61557 4 0 10 Q 999 Q Display range Basic uncertainty ay 20 0 Q 199 9 O 200 999 0 1 4 3 digits e Voltage at open terminals 4 V 24 V e Output current at 2 0 Isc gt 200 mA 28 OPERATING MANUAL MIC 2501 version 1 00 e Compensation of test leads resistance e Measurements for both current polarizations Wh
22. is on The meter is in voltage measurement mode 2 Press SET SEL button to select the measure SET SEL ment voltage time used for calculating the absorption coefficients t1 t2 t3 and the inter val between the parameter points ChA A v Use gt buttons to set Uiso value and confirm it by pressing ENTER or 8 OPERATING MANUAL MIC 2501 version 1 00 m button to enter the setting of times for calculating the absorption coeffi cients Use gt buttons to t1 value use ui button to start setting t2 and then t3 value Press ep again to enter the set ting of time interval ChA of recording Riso Use amp buttons to set the inter val 15 30 or 60 sec Horizontal lines indicate unavailability of recording char acteristics Press ENTER to confirm settings or 2 ESC press ESC to exit without saving the or changes OPERATING MANUAL MIC 2501 version 1 00 Connect test leads according to the drawing for 5 sec Or The meter is ready for measurement Press and hold START push button The measurement is performed continu ously until you release the button or the pre set time is reached In order to maintain hold the measure ment press and hold START button for 5 sec or press ENTER while holding START button pressed symbol LOCK will be displayed indicating automatic measurement now the buttons m
23. lt is that the batteries are not charged to their full capacity Please note that when the batteries are charged with a fast charger they are charged only to approx 8096 of their capacity better results can be achieved by continuing charging the charger enters trick le charging mode and during the next few hours batteries are charged to their full capacity 26 OPERATING MANUAL MIC 2501 version 1 00 Do charge or use the batteries in extreme temperatures Extreme temperatures reduce the life time of batteries and rechargeable batteries Avoid placing devices powered by rechargeable batteries in very hot environments The nominal working temperature must be absolutely observed 9 Cleaning and maintenance CAUTION Use only the maintenance methods specified by the manufacturer in this manual The casing of the meter may be cleaned with a soft damp cloth using all purpose detergents Do not use any solvents or cleaning agents which might scratch the casing powders pastes etc Clean the probe with water and dry it Before the probe is stored for a prolonged period of time it is recommended to grease it with any machine lubricant The reels and test leads should be cleaned with water and detergents and then dried The electronic system of the meter does not require maintenance 10 Storage In the case of storage of the device the following recommendations must be observed e Disconnect all the test leads from the me
24. nsulation resistance you must be sure that tested object is discon nected from the power supply During the measurement of insulation resistance do not disconnect test leads from the tested ob ject before the measurement is completed see par 4 1 otherwise the capacitance of the object will not be discharged creating the risk of electric shock Using this manual does not exclude the need to comply with occupational health and safety regu lations and with other relevant fire regulations required during the performance of a particular type of work Before starting the work with the device in special environments e g potentially fire risk explosive environment it is necessary to consult it with the person responsible for health and safety It is unacceptable to operate the device when adamaged meter which is completely or partially out of order ameter with damaged insulation a meter stored for an excessive period of time in disadvantageous conditions e g excessive humidity lf the meter has been transferred from a cool to a warm environment with a high level of relative humidity do not start measurements until the meter is warmed up to the ambient temperature approximately 30 minutes Remember that bAt message appearing on the display indicates insufficient voltage of power supply and the need to recharge the batteries Message ErrX displayed in the main field where X is a number from 0 to 9 indicate incorrect op
25. ormation displayed by the meter gt 750V LED is blinking in red Measuring range is exceeded Voltage is higher than two tone acoustic acceptable Immediately disconnect the test leads signal is generated When AC voltage is detected the device will display wave and when DC voltage is detected the device will display symbol for negative polarity or nil for positive polarity symbo OPERATING MANUAL MIC 2501 version 1 00 17 5 Memory of measurement results MIC 2501 meters have memory divided into 10 banks of 99 cells Thanks to dynamic memory al location each of the memory cells can contain different quantity of single measurement results de pending on the needs Optimal use of the memory can be ensured in this way Each measurement re sult can be stored in a memory cell marked with a selected number and in a selected memory bank Thanks to this the user of the meter can at his her option assign memory cell numbers to individual measurement points and the memory bank numbers to individual facilities The user may also perform measurements in any chosen sequence and repeat them without losing other data Memory of measurement results is not deleted when the meter is switched off Thanks to this the data can be later read or sent to a computer The number of a current memory cell or memory bank is not changed either Note Results of measurements performed for all measuring functions can be stored in one m
26. r 500 1000 charging cycles The rechargeable batteries reach their maximum capacity after being formatted 2 3 charge and discharge cycles The most im portant factor which influences the lifetime of rechargeable batteries is the level of their discharge The deeper the discharge level of the batteries the shorter their lifetime The memory effect is limited in the case of batteries These batteries may be charged at any point with no serious consequences However it is recommended to discharge them completely every few cycles During storage of Ni MH rechargeable batteries they are discharged at the rate of approximately 20 per month Keeping rechargeable batteries at high temperatures may accelerate this process even 10096 In order to prevent excessive discharge of rechargeable batteries after which it would be nec essary to format them it is recommended to charge them from time to time even if they are not used Modern fast chargers detect both too low and too high a temperature of the battery pack and react to the situation adequately Too low temperature should prevent starting the process of charging which might irreparably damage rechargeable batteries An increase of the temperature of the rechargeable batteries is a signal to stop charging and is a typical phenomenon However charging at a high ambi ent temperature apart from reducing batteries lifetime causes an accelerated increase of their tem perature and the resu
27. sig nal is generated 4 2 2 Compensation of test leads resistance In order to eliminate the impact of the resistance of test leads on measurement result Rcowr the compensation auto zeroing of resistance may be performed W SET GD In mode LED is on use SET SEL button to en ter the screen with Autozeroing the test leads OPERATING MANUAL MIC 2501 version 1 00 15 Short the test leads message READY will be displayed AUTO ZERO message starts to blink which confirms completion of test leads calibration The result is a compensated val ue and correction is available for Rcowr The compensation is ac tive even after the meter is switched off and again 5 In order to remove the compensation of the leads resistance return to default calibration perform the above mentioned activities with test leads open instead of test results the display will show message OFF compensation of test leads is turned off Return to Rconr measurement screen by pressing SET SEL 4 3 Voltage measurement 1 Use lt lt gt gt button to start meas w urement of U LED EES is on The AS meter is in the voltage measurement mode 16 OPERATING MANUAL MIC 2501 version 1 00 Connect the meter to a voltage source Measurement is per formed in a continu manner 33 nr Additional inf
28. sistances important in difficult weather conditions is eliminated by connecting a piece of metal foil insulating the tested conductor with G socket of the meter OPERATING MANUAL MIC 2501 version 1 00 13 Cable sheath Metal foil wrapped around the conductor insulation Conductor The same shall apply when measuring the resistance between two conductors of the cable at taching to G terminal other conductors that do not take part in the measurement 4 2 Low voltage measurement of resistance 4 2 1 Measurement of resistance of protective conductors and equipoten tial bonding with 200 mA current W Use lt lt gt gt button to start the measurement of LED ZS is on The meter is in the voltage measure ment mode The meter is ready for measurement Connect the meter to the tested object 2 START Trigger the measurement by pressing the START button 14 OPERATING MANUAL MIC 2501 version 1 00 Read out the result 4 Press START push button in order to start next measure ment without disconnecting test leads from the object Additional information displayed by the meter Interference voltage occurs on the tested object The measurement is possible however it will be burdened with additional uncertainty that is specified in the tech nical data RCONT is blinking Interference voltage exceeds the allowable value the in red and two measurement is blocked tone acoustic
29. t or gt gt to browse the memory MEM LED a 2 is on 2 Connect the cable to the USB port of the computer and the USB socket of the meter The meter will displays the message ub 3 Start the program for communicating with the meter processing results and follow the commands of the software 7 Software updates 1 In accordance with the guidelines of Section 3 of this manual enter the meter software update mode UPdt am A ob 2 Connect the cable to the USB port of the computer and the USB socket of the meter 3 Start the program for updating the meter and follow the commands of the software 24 OPERATING MANUAL MIC 2501 version 1 00 8 Power supply 8 1 Monitoring the power supply voltage The charge level of the battery pack is indicated by the symbol in the right upper corner of the dis play on a current basis BEBE battery pack is charged The charge of battery pack is low Only voltage measurement is available No battery icon when the charger is connected The battery pack is disconnected or damaged The battery pack is fully dis charged all measurements are blocked The meter switches automatical e m ly after 5 sec 8 2 Charging the battery pack CAUTION MIC 2501 meter is powered from SONEL battery pack which includes NiMH 9 6 V batteries and it may be replaced only by the manufacturer s service depart ment Battery charger is install
30. ter e Clean the meter and all its accessories thoroughly e Wind the long test leads onto the reels e n order to prevent a total discharge of the battery pack in the case of a prolonged storage charge it from time to time 11 Dismantling and Disposal Worn out electric and electronic equipment should be gathered selectively i e it must not be placed with waste of another kind Worn out electronic equipment should be sent to a collection point in accordance with the law of waste electrical and electronic equipment Before the equipment is sent to a collection point do not dismantle any elements Observe local regulations concerning disposal of packages waste batteries and accumulators 12 Technical specifications 12 1 Basic data Abbreviation m v used in the specification of basic uncertainty means standard measured value AC DC voltage measurement Display range Basic uncertainty 0 750 V 3 m v 2 digits e Frequency range for AC 45 Hz 65 Hz Measurement of insulation resistance Measuring range according to IEC 61557 2 Risomin Uisonom lisonom 1000 GQ lisonom 1 mA OPERATING MANUAL MIC 2501 version 1 00 27 Double lead measurement e When range is exceeded device displays gt xxxxGQ where xxxx is the limit value for the selected range Approximate maximum values of the measured resistance depending on the test voltage are presented in the table below For ot
31. to inactivate this function horizon A v tal lines Auto OFF function is inactive Auto OFF function is used to turn off inac tive meter after a preselected time 3 Use lt a and E buttons to enter the screen with audio message settings bEEP OPERATING MANUAL MIC 2501 version 1 00 Use 2 and buttons n the audio messages ON 0 or OFF W Press 4m and us buttons to enter the set ting the type of absorption coefficients C Use t and buttons to set Ab1 Ab2 Hh parameters or PI DAR F Use and buttons to enter the screen with software update UPdt OPERATING MANUAL MIC 2501 version 1 00 Press ENTER to enter the update mode The update process is described in Chapter 7 After changing the parameters you may exit SETUP menu not applicable for Update screen Press ENTER to memorize settings or use ESC button to go to the measurement screen without approving the changes 4 Measurements 4 1 Measurement of insulation resistance WARNING The tested object must not be live Attention During measurement especially of high resistances make sure that test leads do not touch each other and probes crocodile clips because such a contact may cause the flow of surface currents resulting in additional error in meas urement results 4 1 1 Double lead measurement 1 u Use lt lt or gt gt button to start the meas urement of Riso LED
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