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5.5 Low-resistance measurement

Operation

5225 / 04/2022 en

BENNING IT 100

28

5.5

Low-resistance measurement

Requirements

• Please observe the requirements for measuring [

}

 page 24].

• Approved safety measuring lines

• Measuring ranges for low-resistance measurement [

}

 page 23]

• Fuse has been tested [

}

 page 34]

• Measuring point must be free of voltage

NOTICE

Undetected inadmissible external voltage

The fuse of the device might blow because of an undetected inadmissible external voltage due
to the “LOCK” function being enabled.

• Make sure that the measuring point is free of voltage.

Figure 10: 

Low-resistance measurement

Содержание IT 100

Страница 1: ...BENNING IT 100 Operating manual Translation of the German original version 5225 04 2022 en...

Страница 2: ...All rights reserved This document particularly all of the contents texts photographs and graphics that it contains are protected by copyright No part of this documentation or the associated contents...

Страница 3: ...4 2 4 LOCK key 21 4 2 5 Blue key 21 4 2 6 PI DAR key 21 4 3 Measuring ranges 21 4 3 1 Voltage ranges 22 4 3 2 Resistance ranges 22 5 Operation 24 5 1 Requirements for tests and measurements 24 5 2 Con...

Страница 4: ...6 4 Cleaning the device 35 6 5 Replacing the batteries 36 6 6 Calibrating the device 37 6 7 Replacing the fuse 37 7 Technical data 38 8 Disposal and environmental protection 39 Index 40 5225 04 2022 e...

Страница 5: ...e 16 Figure 5 BENNING IT 100 device structure 17 Figure 6 Rotary switch 18 Figure 7 Digital display 19 Figure 8 Voltage measurement 26 Figure 9 Resistance measurement 27 Figure 10 Low resistance measu...

Страница 6: ...the digital display 19 Table 5 AC voltage ranges V AC 22 Table 6 DC voltage ranges V DC 22 Table 7 Measuring ranges for resistance measurement 22 Table 8 Measuring ranges for low resistance measuremen...

Страница 7: ...ring calculating the dielectric absorption ratio DAR Further information http tms benning de it100 On the Internet you will find the following additional information directly at the specified link or...

Страница 8: ...s resulting from the failure to observe the instructions in this operating manual The devices are subject to continuous further development Benning reserves the right to make changes to the device s d...

Страница 9: ...chnical questions on handling the device Phone 49 2871 93 555 Fax 49 2871 93 6555 E Mail helpdesk benning de Internet www benning de Returns management Easily and conveniently use the BENNING returns...

Страница 10: ...WARNING Hazard to humans If you do not pay attention to this warning irreversible or deadly injuries could occur CAUTION Minor hazard to humans If you do not pay attention to this warning minor or mo...

Страница 11: ...e complies with EU directives At the end of product life dispose of the unserviceable device via appropriate collecting facilities provided in your community The device is provided with protective ins...

Страница 12: ...le Direct any questions to Technical Support page 9 Using the device Please observe the following basic obligations when using the device The device may only be used in a technically perfect and safe...

Страница 13: ...ing line from the measuring point WARNING Opening the device Danger to life or serious injury is possible due to contact with high electric voltage when opening the device The device might get damaged...

Страница 14: ...ers Please observe relevant regulations on occupational safety and health If necessary use appropriate protective equipment WARNING Dangerous voltage Danger to life or serious injury is possible due t...

Страница 15: ...ve pouch item no 10230646 4 x 1 5 V alkaline batteries AA IEC LR6 NEDA 15 A 1 x fuse FF 315 mA 1 000 V 10 kA integrated into the device for initial assembly 1 x operating manual Optional accessories S...

Страница 16: ...onsisting of Measuring lines silicone Test probes slender measuring probe Grabber clips Alligator clips Figure 3 BENNING TA 3 Set of 4 mm safety measuring lines with 2 mm measuring probe item no 04414...

Страница 17: ...Display illumination key 7 LOCK key 8 jack 9 COM jack 10 Rotary switch 11 Blue key 12 PI DAR key 13 Red LED high voltage control indicator 14 TEST key 15 Digital display Rear panel of the device Folda...

Страница 18: ...ngerous contact voltage and battery status Display range for measured value 4 digit liquid crystal display LCD with a font size of 19 mm and decimal points The highest display value is 9 999 digits Di...

Страница 19: ...ate of charge of the batteries max 3 segments The batteries are discharged as soon as all segments have disappeared Auto Power OFF PI Polarisation index measurement enabled DAR Dielectric absorption r...

Страница 20: ...leased Low resistance measurement Insulating resistance measurement Insulating resistance The device outputs a high testing voltage during the measurement and measures the insulating resistance with t...

Страница 21: ...o the LOCK function being enabled Make sure that the measuring point is free of voltage 4 2 5 Blue key Press the blue key to toggle between the standard function of the rotary switch position and the...

Страница 22: ...ring accuracy 0 2 1 C x specified measuring accuracy x difference to reference temperature range C 4 3 1 Voltage ranges AC voltage ranges V AC Overload protection 600 V AC V DC Measuring range Resolut...

Страница 23: ...If the external voltage is 2 V AC V DC the test will be prevented Measuring ranges for insulating resistance measurement Testing voltage Measuring range Measuring accuracy Resistance min for 1 mA max...

Страница 24: ...e 25 Please consider sources of interference that might be present Strong sources of interference in the vicinity of the device might involve unstable readings and measuring errors For carrying out th...

Страница 25: ...he safety measuring lines in the area intended for your hands Please note that dangerous testing voltages might be present at the device during insulating resistance measurement These might also be ap...

Страница 26: ...lines Voltage ranges page 22 Figure 8 Voltage measurement Procedure 1 Set the rotary switch of the device to switch position 2 Press the blue key to set the desired measuring function AC or DC voltage...

Страница 27: ...asurement page 22 or continuity test page 23 Measuring point must be free of voltage Figure 9 Resistance measurement Procedure 1 Set the rotary switch of the device to switch position 2 Press the blue...

Страница 28: ...lines Measuring ranges for low resistance measurement page 23 Fuse has been tested page 34 Measuring point must be free of voltage NOTICE Undetected inadmissible external voltage The fuse of the devi...

Страница 29: ...d the measurement was not successful and the measurement has to be started again Alternatively you can also use the LOCK function page 21 6 Read the measured value on the digital display Please note t...

Страница 30: ...the digital display As long as you keep the TEST key pressed the measurement is active and the displayed measured value as well as the actual testing voltage may change During an active measurement TE...

Страница 31: ...rect operation During insulating resistance measurement dangerous testing voltages might be present at the device These might also be applied to the measuring circuit if safety measuring lines are con...

Страница 32: ...ed the measurement was not successful and the measurement has to be started again The measurement continues until the measured values for calculating the PI or DAR value have been measured and the PI...

Страница 33: ...nt for any repairs page 9 6 1 Maintenance schedule The following table provides an overview of all maintenance and servicing work that you must carry out permanently or at regular intervals Interval M...

Страница 34: ...Testing the fuse Procedure 1 Set the rotary switch of the device to switch position Lo 2 Press and hold the TEST key until a measured value or FUSE is shown on the digital display While pressing and...

Страница 35: ...sing the wrong cleaning agents can damage the device Do not use any solvents abrasives or polishing agents Procedure 1 Clean the exterior of the device with a clean and dry cloth or a special cleaning...

Страница 36: ...the protective rubber holster To do this proceed as follows Hold the device with both hands and press the rubber lip sideways over the edge of the device with your thumbs at the two front upper corner...

Страница 37: ...0 kA Replace the fuse if it is defective Requirements New fuse FF 315 mA 1 000 V 10 kA d 6 3 mm l 32 mm e g item no 757213 Voltage free device page 33 Slotted screwdriver and suitable Phillips screwdr...

Страница 38: ...557 2 1 M at 1 000 V and with a measuring duration of 5 s Set of safety measuring lines item no 10230645 Standard IEC DIN EN 61010 031 VDE 0411 031 Overvoltage category only applies to the safety meas...

Страница 39: ...7 Replacing the fuse 5225 04 2022 en BENNING IT 100 39 8 Disposal and environmental protection At the end of product life dispose of the unserviceable device and the batteries via appropriate collecti...

Страница 40: ...IT 100 7 K Key Blue 21 Display illumination 20 LOCK 21 PI DAR 21 TEST 20 L Low resistance measurement 29 M Maintenance 33 Maintenance schedule 33 Manufacturer 2 Measurement Requirements 24 Measuring...

Страница 41: ...Standards applied 10 Symbols Device 11 Operating manual 11 T Target group 7 Technical data 38 Technical support 9 Test Requirements 24 Trademarks 8 V Voltage measurement 26 Voltage free 33 W Warning s...

Страница 42: ...ting Subject to technical changes No liability accepted for printing errors BENNING Elektrotechnik und Elektronik GmbH Co KG M nsterstra e 135 137 D 46397 Bocholt Phone 49 2871 93 0 Fax 49 2871 93 429...

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