LEM ISO plus Operating Instructions Manual Download Page 27

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Technical Data

- 27 -

Operating altitude:

max. 2000m

Protection type: IP40 according to EN 60529
Safety:

Protection by double insulation

600V CATIII pollution degree 2

Test voltage:

5550 V AC, measuring circuit to enclosure

Intrinsic error:

Refers to the reference temperature range and is guaranteed for 2

years.

Operating error: Refers to the operating temperature range and is guaranteed for 2

years.

Quality system: developed, designed and manufactured according to DIN ISO

9001

External voltage: measurement inhibited for external voltage

Ux >10% of U

for M

Ω

and >3V for R

Max. overload: 800 Veff RMS or

RMS x frequency < 5x10

VHz

Fuse

630mA quick acting 600V 10kA / 32x6.3mm

Dimensions:

220 x 98 x 52 mm

Weight:

0.8 kg / 1.8 lbs (including batteries)

Warranty: 2

years

Calibration interval:2 years recommended

Power Supply

Battery condition: LO-BAT is displayed if voltage drops

under 4V

Battery Type:

4 pieces 1.5V Alkaline AA IEC LR6

Battery life typically 100 hours for voltage and for current measurements and in
resistance measurement the working hours are depending on the external load.
>3000 measurements as per EN 61557-2 for R

ISO

Testvoltage 500V/500k

Ω

(5s

measure, 25 second pause). >2000 measurements Testvoltage 1000V/1M

Ω

specified for reference temperature range

Summary of Contents for ISO plus

Page 1: ...ISOLEMENT MULTIFONCTION TESTER D ISOLAMENTO A TENAGLIA MULTIMETRO TÉSTER DE AISLAMIENTO MULTIFUNCIÓN ISO plus plus plus plus 1 mA OFF 100 V 250 V 500 V 1000 V 600 V V mA ISO plus R Hz Pab 200 0 LIMIT HOLD REC MAX AVG MIN STORE RECALL ZERO DATA ACTIVE AC DC ISO U ISO U R 1M 400 10M 600100M800 1G 100010G V 100k Mk AV k m A G u Mk AV k m G K K START HOLD REC ZERO MΩ Ω Ω Ω Ω Ω Ω Ω V mA LIMIT ...

Page 2: ... I ES incl CE declaration of conformity 1 Pair of test leads with test prods red black 1 alligator clip 4 pcs 1 5V AA LR6 MN 1500 batteries 1 pouch with carrying belt Optional Accessories 1 Pair of test leads with test prods red black SB0001Z Probe for surface insulation measurement A604507000 3 alligator clips black A600917103 ...

Page 3: ...sic operation 11 5 1 Insulation test 11 5 2 Resistance measurement Continuity 13 5 3 Voltage measurement 15 5 4 Current measurement 17 6 Advanced functions 19 6 1 Determining the Dielectric Absorption ratio Rab in Insulation test 19 6 1 1 Determining the Polarization Index Ip 20 6 2 Transducer input for voltage output current probes 21 6 3 HOLD 21 6 4 LIMIT Alarm 22 6 5 REC Record 23 6 6 ZERO 23 6...

Page 4: ...er clean and with no broken or cracked insulation Replacement fuses must be of correct size type and rating It can be assumed that safe operation is no longer possible if the device shows visible damage has been exposed to unfavourable conditions e g storage beyond the permissible climatic limits without adaptation to the ambient climate dewing etc or to has been exposed to major strain during tra...

Page 5: ...rical work so as to identify potential sources of electrical danger and risk of electrical injury such as from inadvertent short circuits Where the assessments show that the risk is significant then the use of fused test leads constructed in accordance with the HSE guidance note GS38 Electrical Test Equipment for use by Electricians is advised If the instrument is used in a manner not specified by...

Page 6: ... a true hand held design Main features Easy to use handheld design measuring V Ω MΩ Hz A mA Large dual display with bright EL backlight and bargraph Unique built in protection against external voltages without fuse damage and warning of live circuits Fully compliant with all European standards for insulation testing Insulation measurements up to 20 GΩ with 100 250 500 and 1000V test voltages and d...

Page 7: ... selected digit OFF Position direct power OFF switching U ISO 100 V test voltage U ISO 250 V test voltage U ISO 500 V test voltage U ISO 1000 V test voltage Continuity test activated by key press in Ω200mA Resistance Measurement 20Ω 200 kΩ Voltage AC DC True RMS Frequency Hz Current AC RMS Frequency Hz 1 mA A B C D E OFF 100 V 250 V 500 V 1000 V 600 V V mA ISO plus R Hz Pab 200 0 LIMIT HOLD REC MA...

Page 8: ...ining screws A and B on the battery cover and lift the cover clear of the unit Replace the used batteries take care of the polarity If no lamptest is executed please remove batteries immediately and check for correct polarity Ensure the battery cover is replaced and the locking screws tightened before further use Replace Fuse C with the same type FF 630mA 6 3x32 660V 10kA Fig 1 Battery replacement...

Page 9: ...opriate input terminals COM and V Ω mA 2 To turn the instrument on and select a function turn the rotary switch from OFF to the appropriate switch position All segments on the liquid crystal display LCD will turn on for 3 seconds then the meter is ready for normal operation The button switches between different screens displaying more data about the measurement being made For example switching bet...

Page 10: ...Getting started Operating principles 10 ...

Page 11: ...Basic operation 11 5 Basic operation 5 1 Insulation test ...

Page 12: ...ACTIVE announciators indicate that the instrument is outputting dangerous high voltages Press the key to display the insulation test current IISO Press the key again to show the Absorbtion factor Rab available after 60s of continuous insulation test Press the key again to show the Polarisation factor IP available after 10 minutes of continuous insulation test Press the key again to return to the m...

Page 13: ...Basic operation 13 5 2 Resistance measurement Continuity ...

Page 14: ... together and pressing the key The instrument is now in a Relative measurement mode indicated by the ZERO announciator on the display This mode is also valid for continuity testing The actual value of compensation Rzero is indicated on the small display Press the key to activate the continuity test with a 200mA test current and an audible alarm buzzer when measuring less than the adjusted threshol...

Page 15: ...Basic operation 15 5 3 Voltage measurement ...

Page 16: ...voltage The bargraph always shows the True RMS AC DC value To activate the LIMIT alarm function press the key To set the lower limit press the key again and use the to selects the digit and the key to increment the digit When in this mode pressing the first turns the lower limit value off completely To set the higher limit press the key and use the arrow keys as above To activate the LIMIT functio...

Page 17: ...Basic operation 17 5 4 Current measurement ...

Page 18: ...o has been selected then the large I and the current clamp symbol light up If mV and a ratio has been selected then the large U and the current clamp symbol are displayed The main display shows the scaled value in Amps For safety reasons if switching out of the mA position the ratio screen turns back to the default which is mA and a 1 1 ratio for direct current measurement Connect the measuring le...

Page 19: ...can be terminated anytime by pressing START again ATTENTION The measuring voltage is applied all the time While the test is in progress the annunciators ACTIVE are displayed as a warning of the high tension at the measuring terminals After a minimum period of 1 minute indicated by frequence change of the buzzer signal warning every 5 s the presence of high voltages The Rab value can be displayed u...

Page 20: ...onds to activate continuous measurement The test can be terminated anytime by pressing START again ATTENTION The measuring voltage is applied all the time While the test is in progress the annunciators ACTIVE are displayed as a warning of the high tension at the measuring terminals After a minimum period of 10 minutes indicated by a beep the Ip value can be displayed using the key to select the Ip...

Page 21: ...ion can be entered Now the default ratio shown in the small display flashes The key cycles through the following loop of ratios OFF 1 10 100 500 or 1000 b Press the button to return to the main screen If mV and a ratio has been selected then the large U and the current clamp symbol are displayed The main display shows the scaled value in Amps For safety reasons if switching out of the mA position ...

Page 22: ...ot flashed If the upper limit value is placed below the lower limit value the measured values between the two limits are displayed with both annunciators on and reported acoustically Limit values are displayed in the smaller display when in the change limit mode The limit values can be changed using the and arrow keys The high or low limit can be turned off completely by pressing the the key after...

Page 23: ... the CYCLE key may used to select any one of them The symbols in front of the measured value are no tilde minus no minus depending on whether the input is less than or greater than the stored value Note that this differs from normal mode the reason being that relative values in AC or TRMS can be negative In resistance measuring function the ZERO is used for test lead compensation The compensated v...

Page 24: ...trument when any key is pressed after is released c Permanent backlight Holding the key down will turn on the back light permanently Switch it Off by pressing button 2s or turning the instrument off d Switch OFF autorange Holding the key down will turn off the autorange capability for all continuous measurements not for RISO In this mode all ranges are fixed into their highest possible range The o...

Page 25: ...evel with the key and select the digit with key Confirming this display with the exits and saves Turn rotary switch without saving b Limit value programming Switch to desired measuring function Press the key twice large display shows The small display shows the LIMIT MIN value for the selected function rotary switch position Use key to switch display to In this display has no function Press again ...

Page 26: ...Standards Emission Class B according to IEC EN61326 1997 A1 1998 EN55011 Immunity EN 61000 4 2 1995 B EN 61000 4 3 1996 A EN 61000 4 4 1995 B EN 61000 4 5 1995 B EN 61000 4 6 1996 A EN 61000 4 8 1993 A General Display 1999 digit dual LC display with special symbols digit height 17 mm 30 segment analogue bar with over and underflow and special display sign EL backlight Environmental condition FOR I...

Page 27: ...ltage Ux 10 of UN for MΩ and 3V for R Max overload 800 Veff RMS or RMS x frequency 5x10 4 VHz Fuse 630mA quick acting 600V 10kA 32x6 3mm Dimensions 220 x 98 x 52 mm Weight 0 8 kg 1 8 lbs including batteries Warranty 2 years Calibration interval 2 years recommended Power Supply Battery condition LO BAT is displayed if voltage drops under 4V Battery Type 4 pieces 1 5V Alkaline AA IEC LR6 Battery lif...

Page 28: ...SO 10min RISO 1min Rab RISO 1min RISO 30sec In case of external voltage of 10 of UN the measurement is not started safety interlock Resistance R measurement Measuring method Current voltage measurement complying EN 61557 4 Open circuit voltage U0 4V Short circuit current Ik 200mA up to 2Ω according to EN61557 Range Resolution Intrinsic Error Operating error 0 2Ω 20Ω 0 01Ω 1 of measured value 3D 2 ...

Page 29: ...t 50 and 60Hz for DC influence of AC signals to DCV display CMR Common mode rejection approx 80dB at 50 and 60Hz Auto range setting time 1 5s Max voltage frequency product 5x10 4 VHz Over range up to 1000V with flashing symbol AC Specifications valid for AC RMS 5 of range Measuring range Resolution Intrinsic error VAC 15Hz 1kHz 2V 1mV 2 of rdg 20D 20V 10mV 2 of rdg 5D 200V 100mV 2 of rdg 3D 600V 1...

Page 30: ...on Intrinsic error 20 199 9 µA 100 nA 3 of rdg 5digit 0 2 1 999 mA 1 µA 3 of rdg 5digit 2 19 99 mA 10 µA 3 of rdg 5digit 20 199 9 mA 100 µA 3 of rdg 5digit Specifications valid for AC RMS 5 of range Displayed values for current measurements AC Frequency range 15Hz 1kHz Auto range setting time 2s Max overload 630 mA Fuse protection Current compensation ZERO possible Direct current measurement 1 1 o...

Page 31: ...lectrolyte Service This instrument has been manufactured and tested according to the latest technological innovations and in compliance with the quality assurance system DIN ISO 9001 If there should still be reason for complaint please refer to your nearest service centre giving a detailed description of the defect by using the enclosed service card and including a copy of the invoice or the deliv...

Page 32: ...Current probes PR Series and LEM Flex Multimeters UNIGOR Series A full range of accessories are available including interfaces RS232 IrDAâ data memory and PC software for report generation Other products from the LEM group include systems and analysers for power and power quality monitoring and transducers for current and voltage measurement LEM provides complete measurement solutions in current v...

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Page 34: ...5 Fax 01695 50704 NETHERLANDS FRANCE LEM NEDERLAND LEM FRANCE Tel 0164 615462 Tel 01 6918 1750 Fax 0164 616606 Fax 01 6928 2429 Printed in Austria Gedruckt in Österreich Imprimé en Autriche Impreso en Austria Stampato in Austria LEM NORMA GmbH Liebermannstrasse F01 CAMPUS 21 A 2345 Brunn am Gebirge AUSTRIA Tel 43 0 2236 691 0 Fax 43 0 2236 691 415 E Mail tsc customer lem com www lem com SO1300Z RE...

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