Operating manual 5225 / 04/2022 en BENNING IT 100 Translation of the German original version
Legal notice Legal notice Notes concerning the documentation Ensure that the applicable documentation is used for this product. For safe handling, knowledge that is provided in these instructions is required. The product may only be handled while following this documentation, particularly the safety instructions and warnings it contains. The personnel must be qualified for the respective task and have the capability to recognise risks and prevent possible dangers.
Table of contents Table of contents 1 2 Introduction................................................................................................................................................ 7 1.1 General notes........................................................................................................................ 7 1.2 History ................................................................................................................................... 8 1.
Table of contents 6.4 Cleaning the device............................................................................................................. 35 6.5 Replacing the batteries ....................................................................................................... 36 6.6 Calibrating the device.......................................................................................................... 37 6.7 Replacing the fuse ........................................................
Table of figures Table of figures Figure 1 BENNING TA 1 ............................................................................................................................ 15 Figure 2 BENNING TA 2 ............................................................................................................................ 15 Figure 3 BENNING TA 3 ............................................................................................................................
List of tables List of tables Table 1 History.......................................................................................................................................... 8 Table 2 Symbols on the device................................................................................................................. 11 Table 3 Symbols used in the operating manual........................................................................................
Introduction 1.1 General notes 1 Introduction The insulation and resistance measuring device BENNING IT 100 described here (in the following only referred to as “device”) is intended for testing in circuits with a nominal voltage up to a maximum of 600 V‑AC or 600 V‑DC.
Introduction 1.2 History Purpose of the operating manual This operating manual describes the device and provide you information about how to handle it. Keep this operating manual in a safe place for later use. Read this operating manual before handling the device and follow the instructions.
Introduction 1.3 Service & support 1.3 Service & support Please contact your specialty retailer or the BENNING Service Center for any repair or service work that might be required. Technical support Please contact our Technical support for technical questions on handling the device. Phone: Fax: E-Mail: Internet: +49 2871 93-555 +49 2871 93‑6555 helpdesk@benning.de www.benning.
Safety 2.1 Warning system 2 Safety 2.1 Warning system This operating manual contains notes that must be taken into consideration for your personal safety and in order to avoid injuries and damage to property. Warnings about your personal safety and to prevent personal injuries are marked with a warning triangle. Warnings on sole prevention of material damage are shown without a warning triangle. The warnings are shown in descending order depending on the hazard level as follows.
Safety 2.3 Symbols used 2.3 Symbols used Symbols on the device Symbol Meaning Please observe the information provided in this operating manual in order to avoid dangers. Warning of electrical danger! Please observe the information provided in this operating manual in order to avoid dangers. CAT IV Measuring category IV is applicable to testing and measuring circuits connected to the feeding point of the low-voltage mains installation of a building. The device complies with EU directives.
Safety 2.4 Intended use 2.4 Intended use Only use the device within the framework of the corresponding technical data. Any operating conditions that deviate from this shall be considered as improper use. Solely the user of the device shall be liable for any resulting damage. In particular, note the following: • In case of improper use, the liability and warranty claims become void. Solely the user of the device shall be liable for any damage resulting from improper use.
Safety 2.4 Intended use WARNING Dangerous voltage Danger to life or serious injury is possible due to contact with high electric voltage in case of incorrect operation. • Do not touch the bare measuring probe tips of the safety measuring lines or the bare contacts of the optional alligator clips, Only touch the 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.
Safety 2.5 Special types of risks 2.5 Special types of risks DANGER Bare conductors or main line carriers Danger to life or serious injury is possible due to contact with high electric voltage when working with bare conductors or main line carriers. • Please observe relevant regulations on occupational safety and health. • If necessary, use appropriate protective equipment.
Scope of delivery 2.5 Special types of risks 3 Scope of delivery The scope of delivery of the device includes the following components: • 1 x BENNING IT 100 insulation and resistance measuring device • Set of safety measuring lines (item no.: 10230645) Set of Ø 4 mm safety measuring lines, 6‑piece, red / black, professional version, consisting of: – 2 x measuring lines – 2 x test probes – 2 x alligator clips • 1 x compact protective pouch (item no: 10230646) • 4 x 1.
Scope of delivery 2.5 Special types of risks • Set of safety measuring lines BENNING TA 3 (item no.: 044126) Set of Ø 4 mm measuring lines, 8‑piece, red / black, professional version, CAT III 1 000 V, consisting of: – Measuring lines (silicone) – Test probes (slender measuring probe) – Grabber clips – Alligator clips Figure 3: BENNING TA 3 • Set of Ø 4 mm safety measuring lines with 2 mm measuring probe (item no.: 044146) Ø 4 mm measuring lines, 2‑piece, red / black, l = 1.
Device description 4.1 Device structure 4 Device description 4.
Device description 4.1 Device structure Rotary switch You can set the desired test or measurement by means of the rotary switch.
Device description 4.1 Device structure 1 2 8 3 7 6 5 4 Figure 7: Digital display 1 Display of functions, dangerous contact voltage and battery status 3 Unit of the measured value 5 Type and unit of testing voltage 7 Polarity 2 Display range for measured value 4 Display of functions 6 Display range for testing voltage 8 Measured value outside measuring range Description of symbols: Symbol Description Battery status: Indicates the state of charge of the batteries (max. 3 segments).
Device description 4.2 Functions 4.2 Functions Use the rotary switch to switch the device on (desired measuring function) or off (“OFF”). The device confirms each operation of keys and the rotary switch with an acoustic signal. Invalid keystrokes are confirmed with a double beep. The device switches off automatically after approx. 10 minutes (APO, Auto-Power-Off). Please note that during a low-resistance or insulating resistance measurement the timer is disabled (e. g.
Device description 4.3 Measuring ranges 4.2.4 “LOCK” key By pressing the “LOCK” key, you can enable the “LOCK” function prior to a low-resistance or insulating resistance measurement. If the “LOCK” function is enabled, a subsequent lowresistance or insulating resistance measurement started with the “TEST” key will remain active until it is stopped by pressing the “TEST” or “LOCK” key.
Device description 4.3 Measuring ranges Measuring accuracy The measuring accuracy is specified as the sum of the following: • Relative part of the measured value • Number of digits (counting steps of the last digit) The stated measuring accuracy is specified for 1 % to 100 % of the final measuring range value and applies at a temperature of 23 °C ±5 °C and a relative air humidity lower than 80 %.
Device description 4.3 Measuring ranges Measuring ranges for continuity test Overload protection: 600 V‑AC / V‑DC • Measuring range: 600 Ω • Resolution: 0.1 Ω • The integrated buzzer sounds at a resistance lower than 4 … 14 Ω. • Buzzer response time: <100 ms Measuring ranges for low-resistance measurement Overload protection: 600 V‑AC / V‑DC Measuring range Resolution Measuring accuracy 6Ω 60 Ω 0.01 Ω 0.
Operation 5.1 Requirements for tests and measurements 5 Operation The device enables you to carry out various tests and measurements. 5.1 Requirements for tests and measurements • Remove the device (safety measuring lines) from the measuring point before setting a switch position on the rotary switch of the device. • Only use approved safety measuring lines [} page 25]. • Please consider sources of interference that might be present.
Operation 5.2 Connecting the safety measuring lines 5.2 Connecting the safety measuring lines For tests and measurements, it is necessary to connect the safety measuring lines to the device. Requirements • Please observe the requirements for measuring [} page 24]. • Safety measuring lines The safety measuring lines must be approved for the device (e. g. safety measuring lines included in the scope of delivery) and be in a technically perfect and operationally safe condition.
Operation 5.3 Voltage measurement 5.3 Voltage measurement Requirements • Please observe the requirements for measuring [} page 24]. • Approved safety measuring 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). 3. Connect the safety measuring lines to the device [} page 25]. 4.
Operation 5.4 Resistance measurement or continuity test 5.4 Resistance measurement or continuity test Requirements • Please observe the requirements for measuring [} page 24]. • Approved safety measuring lines • Measuring ranges for resistance measurement [} 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.
Operation 5.5 Low-resistance measurement 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.
Operation 5.6 Insulating resistance measurement Procedure 1. Set the rotary switch of the device to switch position “LoΩ”. 2. Connect the safety measuring lines to the device [} page 25]. 3. Only for new safety measuring lines: Briefly short-circuit the two measuring probes of the safety measuring lines by contacting them and start the null balance by pressing the blue key. After successful null balance, “ZERO” is shown on the digital display.
Operation 5.6 Insulating resistance measurement 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 11: Insulating resistance measurement Procedure 1. Set the desired testing voltage on the rotary switch of the device. 2. Connect the safety measuring lines to the device [} page 25]. 3.
Operation 5.7 Measuring the polarisation index (PI) or the dielectric absorption ratio (DAR) 5.7 Measuring the polarisation index (PI) or the dielectric absorption ratio (DAR) Requirements • Please observe the requirements for measuring [} page 24].
Operation 5.7 Measuring the polarisation index (PI) or the dielectric absorption ratio (DAR) Procedure 1. Set the desired testing voltage on the rotary switch of the device. 2. Connect the safety measuring lines to the device [} page 25]. Due to the long measuring duration, the use of the alligator clips is recommended. 3. Bring the safety measuring lines into contact with the measuring points. 4. Press the blue key to set the desired measuring function (PI or DAR). 5.
Maintenance 6.1 Maintenance schedule 6 Maintenance The battery compartment may be opened for maintenance work. Apart from that, there are no components in the device that you can replace. 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. • Make sure that the device is free of voltage before opening the battery compartment. • Do not open the device (except for the battery compartment).
Maintenance 6.3 Testing the fuse 6.3 Testing the fuse The device is protected against overload by means of a fuse (FF 315 mA, 1 000 V, 10 kA). Only use the device with the fuse being functional. Requirements • Voltage-free device [} page 33] Figure 12: Testing the fuse Procedure 1. Set the rotary switch of the device to switch position “LoΩ”. 2. Press and hold the “TEST” key until a measured value or “FUSE” is shown on the digital display.
Maintenance 6.4 Cleaning the device 6.4 Cleaning the device Clean the device regularly and as the need arises. Make sure that the battery compartment and the battery contacts are not contaminated by leaking battery electrolyte. Requirements • A clean and dry cloth or special cleaning cloth • Voltage-free device [} page 33] NOTICE Wrong cleaning agents Using the wrong cleaning agents can damage the device. • Do not use any solvents, abrasives or polishing agents. Procedure 1.
Maintenance 6.5 Replacing the batteries 6.5 Replacing the batteries The device is powered by four 1.5 V alkaline batteries (AA / IEC LR6, NEDA 15 A). Replace the batteries as soon as they are discharged. Requirements • Discharged batteries inside the device (all segments of the battery symbol on the digital display have disappeared, the high-voltage warning light is on and “ ” is shown on the digital display) • 4 new 1.
Maintenance 6.6 Calibrating the device 6.6 Calibrating the device Benning guarantees compliance with this technical and accuracy specifications stated in this operating manual for the first 12 months after the delivery date. To maintain accuracy of the measuring results, make sure that the device is recalibrated in annual intervals by the BENNING Service [} page 9] . 6.7 Replacing the fuse The device is protected against overload by means of a fuse (FF 315 mA, 1 000 V, 10 kA).
Technical data 6.7 Replacing the fuse 7 Technical data Protection class Contamination level Protection category (DIN VDE 0470-1, IEC / EN 60529) II (double or reinforced insulation) 2 IP 30 1st digit: 3 = protection against access to dangerous parts and protection against solid impurities (diameter >2.
Disposal and environmental protection 6.7 Replacing the fuse 8 Disposal and environmental protection At the end of product life, dispose of the unserviceable device and the batteries via appropriate collecting facilities provided in your community.
Index Index A AC voltage ranges (V‑AC) Accessories K 22 15 B Basic knowledge Battery Replacing BENNING IT 100 7 36 7 Key Blue Display illumination LOCK PI DAR TEST 21 20 21 21 20 L Low-resistance measurement C Calibrating Cleaning Continuity testing Copyright 37 35 27 2 D DC voltage ranges (V‑DC) Device Calibrating Cleaning Securing Device structure Dielectric absorption ratio (DAR) Digital display Disclaimer Disposal Documentation 22 37 35 13 17 31 18 2, 12 39 2 Environmental protection 39 7
Index Securing Service & Support Technical support Standards applied Symbols Device Operating manual 13 9 10 11 11 T Target group Technical data Technical support Test Requirements Trademarks 7 38 9 24 8 V Voltage measurement Voltage-free 26 33 W Warning system Warranty 5225 / 04/2022 en 10 12 BENNING IT 100 41
Münsterstraße 135 - 137 D - 46397 Bocholt Phone: +49 2871 93-0 Fax: +49 2871 93-429 Internet: www.benning.de 42 E-Mail: duspol@benning.de BENNING IT 100 The text and illustrations correspond to the state of technology at the time of printing. Subject to technical changes. No liability accepted for printing errors. BENNING Elektrotechnik und Elektronik GmbH & Co.
