Category: Electrical test & measurement

Electrical test & measurement

  • Profile Picture- Loop Impedance Meter

    Loop Impedance Meter MZC-306

    Safety Rating Cat IV at 600V labelSafety Rating Cat III at 1000V label

    Loop Impedance Meter MZC-306

    Performing loop impedance tests without tripping RCD, saves time and money by not having to take the RCD out of the circuit when testing and is a safer procedure.  It is important to know that if a fault occurs in an electrical installation, sufficient current will flow to operate the fuse or circuit breaker protecting the faulty circuit within a predetermined time. This Loop impedance meter has adequate Cat IV rating up to max 750V and will makes light work of short circuit loop measurements.

    Features of Loop impedance meter

    • Loop impedance measurement with resolution 0,01 Ω
    • Loop impedance measurement without tripping the circuit breaker > 30 mA with resolution 0,01 Ω (100...440 V)
    • Measurements possible in installations 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 290/500 V and 400/690 V (range 100...750 V)
    • Short circuit current indication
    • Voltage measurement up to 750 V and up to 250 V with resolution 0,1 V
    • Measurements using Uni-Schuko adapter or test wires 1,2; 5; 10 and 20 m
    • Memory of 990 records
    • USB connection with PC
    • Powered by disposable or rechargeable (4xLR14)
  • Profile picture- Power Quality Analyzer

    Power Quality Analyzer PQM-702

    Safety Rating Cat IV at 600V labelIngress protection IP65 labelGPS

    PQM-702 Power Quality Analyser Overview

    Power Quality Analyzers PQM-702 is a high tech devices providing users with features to  measure, analyze and record parameters of 50/60 Hz power networks and power quality in accordance with the European Standard EN 50160. Analyzers are fully compliant with the requirements of IEC 61000-4-30:2015, Class A.

    The device is equipped with five voltage measurement inputs installed as cables terminated with banana plugs marked as L1/A, L2/B, L3/C, N and PE (ground). The voltages measured by four measurement channels is up to ±1500V (the device has two voltage sub-ranges). This range may be increased by using additional external voltage transformers. Current is measured using four inputs installed on short cables terminated with probe terminals. The terminals may be connected to the following probe types: flexible claps (marked as F-1(A), F-2(A), F-3(A)) with nominal rating up to 3000 A (differing from others only by coil diameter); clamps F-1A6, F-2A6, F-3A6 with nominal range up to 6000 A and hard probes marked as C-4 (range up to 1000 A AC), C-5(A) (up to 1000 A AC/DC), C-6(A) (up to 10 A AC) and C-7(A) (up to 100 A AC). The values of nominal measured currents may be changed by using additional transducers – for example, using a transducer of 1000:5 ratio, the user may select C-6(A) probes to measure currents up to 1000 A

    Power Analyzer Features PQM-702

    • Power to the analyzer is supplied from tested mains (internal power supply) and is used in all types of networks from 64 V to 760V.
    • With particular emphasis on measurements at low voltage poles, due to the ease of connection.
    • Has an independent power supply socket, especially suited for voltage measurements for transformers and DC circuits.
    • Remote control and data transfer through a built-in GSM modem (GPRS).
    • Anti-theft feature - SMS notification in the event of position change - built-in GPS receiver.
    • Real-time clock synchronized to GPS protocol.
    • Measurements according to EN 50160
    • Voltage L1, L2, L3, N, PE
      - average, minimum, maximum and instantaneous values, range to 760 V, ability to work with voltage transformers,
    • Current L1, L2, L3, N (four inputs)
      - average, minimum, maximum and instantaneous values, measurement current with range to 3 kA (depends on used clamp), ability to work with current transformers,
    • Crest factor for voltage and current,
    • Frequency from 40 Hz to 70 Hz ,
    • Active, reactive, distortion, apparent power, including the type of reactive power (capacitive, inductive),
    • Power recording:
      - Budeanu method,
      - IEEE 1459,
    • Active, reactive, apparent energy,
    • Power factor, cosφ, tgφ,
    • K factor (transformer overload caused by the harmonics),
    • Up to 50th harmonics for voltage and current,
    • Total Harmonic Distortion (THD) for voltage and current,
    • Short-term (PST) and long-term (PLT) flicker,
    • Unbalance of voltage and current,
    • Current events detection including wave forms recording,
    • Current and voltage wave forms recording after each averaging period.
  • Profile Picture of Wire &pipe locator

    Cable and Pipe Locator | LKZ-2000

    Ingress protection IP65 labelBluetooth Enabled label

    Overview of Cable and Pipe Locator LKZ-2000

    Easily locate cables and pipes with pinpoint accuracy. The complexity of large underground utilities networks continually increase, therefor obtaining precise information on the location of specific buried cables and pipes has never been so important. To protect buried assets during ground excavation work and supporting the mapping and surveying of these existing utilities.

    Sonel LKZ-2000 system has a unique flexible operating modes to help you easily decide the right mode for your location application for the site conditions. The intelligent utility locator monitors the signal interference levels in all available modes and recommends which to use for the best results. Saving you time and giving you increased confidence in your results.

    Application for  Sonel LKZ-2000 - the best system for most challenging conditions!

    POWER INDUSTRY
    Sonel LKZ-2000 is designed to easily trace power cables over long and short distances with pinpoint accuracy, especially in areas with high levels of electrical interference. When used in conjunction with the supplied Multi Clamp a trace signal can be safely applied to an electrically live cable. The A-Frame accessory can also be used to easily locate cable sheath faults.

    CIVIL ENGINEERING AND CONSTRUCTION INDUSTRIES
    The highly durable, weatherproof Sonel LKZ system has a flexible operating system to suit most site conditions and terrain, which is essential on complex and demanding civil engineering and construction sites.

    RAIL INDUSTRY
    Damaging communication cables can be very costly and time consuming to repair, causing major disruption to the rail network. Sonel LKZ system is designed to easily locate and trace cables in congested areas and with high levels of electrical interference.

    TELECOM INDUSTRY
    Tracing and locating large bundled cables, such as fibre optic cables, can be difficult and time consuming. Sonel LKZ systems high frequency modes are ideally suited for these types odd cables, helping to improve your productivity and locating reliability of all cable types. The A-Frame accessory can be used to easily locate cable sheath faults.

    GAS & OIL INDUSTRIES
    These can be the most potentially hazardous, costly or environmentally sensitive pipes to strike and therefore most important not to damage. Using the Sonel LKZ system’s range of low frequency modes, locating and tracing these pipes is easy over long distances, maintaining maximum accuracy.

    WATER INDUSTRY
    Locating and tracing pipes can support the mapping and surveying of utilities. Using the Sonel LKZ system with our dual frequency sonde is the ideal solution for locating deep underground non-metallic sewerage and drainage pipes, that can’t be detected using standard locating technology.

     

  • Profile picture Insulation Resistance Meter

    Insulation Resistance Meter MIC-10

    R5,585.00

    Safety Rating Cat IV at 600V label Safety Rating Cat III at 1000V labelIngress protection IP67 label

    MIC-10 Insulation Resistance Meter Overview

    MIC-10 meter is designed to perform electrical tests, which establishes the safety of insulation in a systems. This is a very handy digital multimeter tool for measuring Insulation resistance up to 1000V and measure up to 10GOhms in accordance with IEC61557-2. With other feature including

    Insulation Resistance meter Mic-10 Features

    • continuous indication of insulation resistance or leakage current,
    • select test voltages of: 50, 100, 250, 500, 1000 V,
    • automatic discharge of capacitance of tested object after the insulation resistance measurement,
    • acoustic signalling of five-second periods to facilitate obtaining time characteristics,
    • indication of actual test voltage during the measurement,
    • protection against measuring live objects,
    • three-lead measurement.
    • Continuity measurement of protective and equipotential conductors according to EN 61557 - 4 with  >200 mA current
    • Low-voltage circuit continuity and resistance measurement:
    • circuit resistance measurement (<1999 ) with the <15 mA current,
    • quick sound signal if circuit resistance is below 30Ω.
    • Capacitance measurement during the RISO measurement
    • Measurement of alternating and direct voltages in the 0...600 V range.
    • Power supply: 4 AA disposable or rechargeable batteries, monitoring of power supply voltage.
    • Meter conform to EN 61557.
  • Digital Multimeter with IP65 rating being rinsed under a tap.

    Modern Digital Multimeter with Flashlight, Bluetooth and IP65 Rated | CMM-11

    R1,314.00

    Safety Cat III at 600V label Flashlight Label Ingress protection IP65 label Bluetooth Enabled label

    Cat III 600V Digital Multimeter

    This Digital multimeter is the perfect solution for every electrician, fitters, installers and maintenance services.The CMM-11 multimeter is designed for quick diagnostics of devices and electric circuits. Thanks to an ergonomic design and pocket size, CMM-11 will find a place in every tool bag and will not take much space. It has all basics measuring functions, you would come to expect of a modern age digital multimeter and thanks to the rubberised housing it will resist falls up to 2,5 meters from mechanical damages.

    Digital Multimeter Features

    • Bluetooth enabled module for data transfer to mobile devices,
    • manual and automatic range selection,
    • Cat III 600V Rated
    • built-in flashlight for lighting the measuring places,
    • HOLD function for holding measured values,
    • MAX/MIN” function for displaying extreme values,
    • compact housing  – allows to store the device in a pocket,
    • increased resistance to falls from heights above 2 m thanks to the elastomer coating,
    • Beeper for sound signal circuit continuity,
    • Auto-OFF function for automatic switching off of the unused device,
    • display 3¾ digit (count max 4000).

     

  • Economical Cat II 600V Digital Multimeter | CMM-10

    R533.00

    Safety Cat II at 600V label Ingress protection IP40 label

    Digital Multimeter CMM-10  

    An economical Cat II 600V digital multimeter with auto & manual ranging including HOLD function  to keep a measured value. As well as a REL function to give value relative to a previous measured function. The Digital Multimeter CMM-10 has been designed for the purpose of measuring AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, temperature and also for testing diodes and continuity.

    CMM-10 Digital Multimeter features

    • Auto/Manual range selection.
    • DATA HOLD function, for holding measured values.
    • REL function, allows you to make measurements relative to a stored reference value.
    • Continuity test with acoustic signalling (beeper).
    • AUTO-OFF function.
    • Display 3 7/8 digits (5000 max).
  • Profile picture-Portable appliance & welding tester

    Portable Appliance and Welding Machines Tester PAT-806

    Safety Rating Cat II 300VIngress protection IP40 label

    Portable appliance tester PAT-806 Overview

    A fully portable device with an advanced measuring systems to carry out fully automated measurements on electrical equipment, IEC cables and extension cords (power tools, white goods, etc.) to determine their safety: resistance of protective conductors, insulation resistance, continuity of connections, leakage current, power. Specifically the instrument is dedicated to measure the welding equipment.

    PAT-806 can be used to test the equipment performed in accordance with standards:

    • EN 60974-4: Arc welding equipment - Part 4: Periodic inspection and testing.
    • EN 60745-1: Hand-held motor-operated electric tools. Safety. General requirements.
    • EN 61029: Safety of transportable motor-operated electric tools. General requirements.
    • EN 60335-1: Household and similar electrical appliances -Safety -Part 1: General requirements.
    • EN 60950: Safety of information technology equipment (IT Equipment).

    Features of the Portable Appliance tester PAT-806

    • measurement of parameters of arc welding machines (EN 60974-4):
      - welding machine no-load voltage measurement
      - UP voltage (peak)
      - welding circuit leakage current measurement
    • measurement of protective conductor resistance with the currents: 200mA, 10A, 25A ( protection class I),
    • measurement of insulation resistance – three measurement voltages: 100V, 250V and 500V
    • measurement of equivalent leakage current
    • measurement of PE leakage current
    • measurement of residual leakage current
    • measurement of touch leakage current
    • measurement of equivalent leakage current
    • measurement of power
    • measurement of current consumption
    • IEC lead test
    • fuse test
    • check of the L-N circuit test
    • measurement of mains voltage and frequency.automatic measurement range selection
    • 990 memory cells for measurement results with option of uploading to a PC through a USB port or printing
    • professional software for data processing and reporting
    • cooperation with a barcode reader and printer
    • supports pen-drive flash memory
    • large and clear display with back-light
    • ergonomic operation.
  • Time Domain Reflectometer Profile image

    Time Domain Reflectometer TDR-420

    Ingress protection IP67 labelTime Domain Reflectometer Overview

    TDR-420 is a hand held Time Domain Reflectometer designed to locate and identify faults in power, telecommunications and data cables.  Specifically made for, electrical wholesalers, cable dealers, electrical installation companies, maintenance personnel at manufacturing plants and  building personnel. This TDR-420 reflectometer allows you to measure the length of a cable as well as determine the distance to damage or impedance variation in conductors with metal wires in the range of 0.6 m -6000 m. With a measuring shortest range  selected at 7 meters and a dead zone of 0.6 meters allows to locate damages at a very close distance from the place where the device is connected.

     Time Domain Reflectometer Product features

    • Possibility damage-free location of impedance changes of tested cables and wires such as:
      • shorted conductor,
      • open conductor / end of cable – useful during the inventory of warehouses and stores,
      • splice,
      • splitter,
      • water ingress,
      • wet splice,
      • bridge tap
      • or other changes.
    • tight and durable housing with IP67 ingress protection degree.
    • Small size and weight.
    • Single measurement mode ONCE,
    • Continuously measurement mode CONT,
    • Tone signal generator TONE,
    • Two cursors to mark two places of damage along with an indication of the distance between them,
    • Built-in HELP function for easier interpretation of the reflectogram,
    • 11 available measuring ranges from 7 m to 6000 m,
    • dead zone” limited to 0.6 m,
    • Color 3,5” LCD TFT display with resolution 320 x 240 pixels,
    • manually set of sensitivity in 8 steps GAIN,
    • output impedance regulation up to 200 Ω (possibility of measuring pre-insulated pipes),
    • Velocity of Propagation set in range from 10% to 99%,

     

  • Profile picture of Earth Resistance meter.

    Earth Resistance Meter MRU-10

    R6,624.00

    Safety Rating Cat IV at 150V labelIngress protection IP67 label

    Overview of MRU-10 Earth Resistance Meter

    The Sonel MRU-10 is a simple meter that allows you to measure earthing resistance using a technical method as well as measure grounding resistance using the pole method. The instruments is easy to handle, resistive to interference, and highly accurate. This unit allows checking the quality of the grounding system on the basics of the received measurement result. The device is simple to operate and intuitive and an excellent choice for electrical  technicians, installations contractors and professionals dealing with grounding measurements. This Earth Resistance meter is durable with firm housing, as well as big and clear display with ergonomic design makes this instrument ideal to use both in the field and most working environments.

    Earth Resistance Meter features

    • measure earthing resistance using auxiliary electrodes method 2-pole and 3-pole
    • measurement of resistance of auxiliary electrodes RS and RH,
    • measurement in the presence of interference voltage in the power network with frequency 50 Hz and 60 Hz,
    • selection of maximum measuring voltage (25 V and 50 V),
    • measurement category: CAT IV 150 V acc. to EN 61010-1,
    • protection class acc. to EN 60529: IP67.
    • indication of battery state.
    • LCD display: segment, backlit,
    • number of measurements (RE3P) carried out of set of batteries: > 3000

     

  • Digital Multimeter CatIV up to 10A Feature image

    True RMS Industrial Digital Multimeter CMM-40

    R2,217.00

    Safety Cat IV at 600V label Safety Cat III at 1000V labelIngress protection IP67 label

    True RMS Industrial Digital Multimeter Overview

    This Industrial Digital multimeter CMM-40 was designed for measurements of AC/DC voltage, AC/DC current, resistance, capacitance, frequency (electrical and electronic), duty cycle, temperature, testing diodes and continuity. It is a Cat IV Digital multimeter rated up to 600V or Cat III up to 1000V.

    Industrial Digital Multimeter CMM-40 Features are:

    • 2 Years Warranty
    • Auto ranging/manual range selection,
    • display 4¾ digits (40000 max),
    • digital multimeter "DATA HOLD” function, for holding measured values,
    • digital multimeter "REL” function, which allows you to make measurements relative to a stored reference value,
    • digital multimeter"MAX/MIN” function,
    • digital multimeter "PEAK HOLD” function,
    • memory for 2000 measurement results
    • continuity test with acoustic signalling (beeper),
    • „AUTO-OFF” function,
    • double moulded, IP65 waterproof casing.
  • Profile picture-Advanced Industrial Multimeter

    Advance Industrial Digital Multimeter | CMM-60

    R9,065.00

    Overview of the CMM-60 Advance Industrial Digital Multimeter

    The CMM-60 multimeter allows you to record data thanks to the Trend Capture function showing a historical graph from built-in memory. Also possible to transfer data and analysing the results in the Multimeter Software.  The device facilitates the diagnostics of potential problems covering the operation of industrial automation, electromechanical devices, motors and distribution of electricity. Precise indications convenience of use and early detection of irregularities in the operation of machines and devices are the main benefits of having this device in your equipment. All whilst adhering to safety requirements during work in industrial conditions.

    Features of the CMM-60 Industrial Digital Multimeter

    • Fast and easy reading is provided by a colour display with a counting range of up to 50,000 digits,
    • a resolution of 320x240 pixels and a diagonal of 3.5 "the display allows reading at a wide angle also in poor lighting conditions;
    • possible to quickly detect irregularities due to measurement results displayed in graphical form, thanks to the Trend Capture function and the built-in recorder with the possibility of recording up to 10.000 samples;
    • over 14 measurement functions, including AC / DC voltage measurement, AC / DC current measurement, resistance, capacity, temperature, pulse width, fill factor, frequency
    • The AC + DC function allows you to simultaneously display the value of the constant and variable component or the sum of both components during voltage measurement
    • The 4~20mA function used for, among others, measurement of the control circuits of temperature, pressure, pH or flow sensors.
    • True RMS for AC voltage and current allows to measure the effective value of distorted waveforms;
    • Built-in low-pass filter, thanks to which the voltage measurements will be more accurate by eliminating the influence of interference generated by machines and electronic devices;
    • saving the results of fast 1ms waveforms thanks to the PEAK value measurement function
    • the relative REL measurement function allows, among others, elimination of resistance values of test leads
    • Displaying simultaneously the result of the measurement of the constant and alternating component of the signal for quick reading of two results at the same time;
    • real-time clock that allows adding date and time of measurement to each sample
    • Recalling measurement results from the built-in memory for 2000 measurements with recording of the name and date of measurement;
    • Registration of maximum and minimum values and calculation of the average of current measurements
    • Built-in Bluetooth module for sending live measurement results to Android mobile devices
    • HELP function to quickly explain the meaning of a given measuring function and buttons
    • Optional strap with a hook allows easy operation with both hands;
    • Protection against water flooding and penetration of dust into the electronic system due to its extremely robust housing with IP67 protection level;
    • The rotary switch has been designed for easy handling even when working in thick gloves in dangerous and difficult conditions;
    • Dedicated lithium-polymer battery allowing long-term operation of the device;
    • A dedicated charger and power supply for charging the battery without removing it.

    "m.v." means a standard measured value.

  • Angle view of Leakage Current Alarm

    Leakage Current Alarm Signaler MPU-1

    Leakage Current Alarm

    MPU-1 is dedicated measurement of leakage current in AC, low and medium voltage power network.  Working with dangerous voltage lines, one piece of equipment to improve safety is an instrument for continuous monitoring of leakage current. Designed to indicate networks safety condition for leakage current. The device enable you to set maximum safe level of flowing leakage current which will activate visual and audible alarms.

    Important features of MPU-1 Leakage Current Alarm Signaler:

    • Constant monitoring of current flowing on earthing
    • Measurement with the use of single clamp or two clamps simultaneously. In case of using two clamps, current value is summed up,  which allows for checking twin pylons (rotational), with independent clamp for each component pylon,
    • Work mode LED indicator,
    • Visual and sound alarm (speaker built in cover) in case of higher value of leakage current than define limit (factory default set to 1A),
    • Battery level monitoring,
    • No DC current measurement,
    • Measurement with flexible clamp (Rogowski coil) - Sonel F series,
    • Measurement in 50Hz or 60 Hz frequency low and medium voltage networks,
    • Auto ranging,
    • Ergonomic handling
    • MPU-1 for operation requires F1, F-2 or F-3 clamp (additional accessories)
  • Profile Picture of Wire and pipe locator

    Wire and Pipe Locator – LKZ-720

    Safety Rating Cat III at 600V labelIngress protection IP67 labelIngress protection IP40 labelFlashlight Label

    Overview of LKZ-720 Wire and Pipe Locator

    Detect and trace cables in ceilings, walls and floors with the LKO-720 specially designed 3D antenna for precise wire tracing and determine of direction of wires in concrete up to 5 cm becomes a breeze.

    Locating power points and switches in buildings pulse generated by a LKN-720 transmitter with a specific frequency allows to
    locate and identify sockets and switches in live or dead (no current) circuits.

    Identify fuses on the distribution board with a precise sensor and additional contact and non-contact probes, identifying  breakers and fuses will be easily and save time.

    Possibility to trace in insulated conductors with C-8 clamp (purchased separately) used in the current mode or other mode forcing
    current, allows to uniquely identify wire or cable from a current signal.

    Non-contact detection of live cables allows to precisely detect energised wires in air and concrete without
    additional probes.

    Functionsand features of LKX-720 Detection of wires and cables (live or not)

    • detect cables in ceilings, walls and floors,
    • detect breaks in cables,
    • trace cables in building installation,
    • locate power points and switches in buildings,
    • locate short circuits between leads,
    • trace shielded cables,
    • trace cables in metal ducts.
    • Identification of fuses on the distribution board.
    • Trace underground cables.
    • Trace conductive water and heating pipelines.
    • Non-contact detection of live cables.
    • the function 3D in the receiver - detecting the direction of current flow and accurate locating the object,
    • phase detection mode,
    • receiver operation with four transmitters at the same time to locate interruptions or distinguish wires,
    • a LED bright torch,
    • headphone socket in receiver,
    • screens backlit for work in dark,
    • transmission battery status and settings of the transmitter to the receiver
    • operation in wide range of rated voltage, up to 500V RMS,
    •  measurement of voltage at the object to 500 Vrms,
    • three levels of transmitter amplification,
    • automatic or manual selection of transmitter operation modes,
    • five modes of wire tracer operation - voltage, current, current-voltage, power and clamp,
    • software upgrade via USB,
    • additional accessories enable precise localisation - such as contact or non-contact probes and measurement clamp.
  • Profile Picture Multifunction Electrical Installation Meter

    Multi-function Electrical Installations Meter | MPI-502

    R11,199.00

    Safety Rating Cat IV at 300V labelSafety Rating Cat III at 600V labelIngress protection IP67 label

    Overview of Multi-function Electrical Installations Meter | MPI-502

    This Multi functional Electrical Installations Meter is performs complete test and verify electrical installations according to the most common safety standards (IEC 61557, VDE 0100, BS7671). Test includes various short circuit loop impedance test, multiple RCD breaker test, Low voltage resistance measurements of protective circuits, Voltage measurement, frequency measurement.

    Features of Electrical installation meter.

    • Short circuit loop parameters measurements:
      • measurements of short circuit loop impedance in networks with rated voltage: 220/380 V, 230 V/400 V, 240/415 V and frequency 45...65 Hz,
      • measurements of short circuit loop impedance with current 15 mA without tripping the circuit breaker.
    • Testing the RCD breakers of AC, A types:
      • testing of prompt, short-delay (general) and selective RCDs for the rated current values 10, 30, 100, 300, 500 mA,
      • IA measurement
      • RE and UB measurement without tripping the circuit breaker,
      • extended RCD test function AUTO, with measurement of ZL-PE with current 15 mA - measurement of IA and tA during one RCD tripping.
    • Detection of the replacement L and N in the socket and automatic conversion in the meter.
    • Low voltage resistance measurements of protective circuits and junctions:
      • measurement of resistance with ±200 mA current
      • calibration of test leads - possibility of using any length of test leads,
      • low current resistance measurement with accoustic signalling
    • Rapid check for the correct connection of PE wire using touch electrode.
    • Measurement of mains voltage and frequency.
    • Power supply from LR6 batteries or NiMH accumulators (option).
    • The device meets the requirements of IEC 61557 standard.
    • measurement category: IV 300 V (III 600 V) according to EN 61010 - 1
    • protection class acc. to EN 60529: IP67
  • Profile Picture Earth Resistance & Resistivity Meter

    Earth Resistance Meter | MRU-200 GPS

    Safety Rating Cat IV at 300V label Safety Rating Cat III at 600V label Bluetooth Enabled label GPS

    Overview of  MRU-200 Earth Resistance meter

    The MRU-200 earth resistance meter is a unique meter in the market, which uses all measurement methods to get earth resistance.  Making sure the ground system has a low earth ground resistance when initially installed is a very important safety check, but making sure the  low resistance is maintain is just as important. Resistance of grounding system might increase when the ground rods are corroded. Over time soil with high moisture, salt content and high temperatures will corrode connections.  It is therefor recommended that the earthing be checked periodically to make sure there is not an big increase in resistance.

    Earth Resistance Meter Features:

    • earth resistance measurement with 2-pole, 3-pole,4-pole method,
    • two clamps earth resistance measurement without auxiliary test probes,
    • impulse earth impedance measurement, three kinds of measuring impulse 4/10μs, 8/20μs, 10/350μs,
    • earth resistance measurement without disconnecting measured earths (using clamp),
    • earth resistivity measurement,
    • continuity measurement,
    • leakage current measurement.
    • optional built in GPS,
    • GPS coordinates of the measurement are stored in meter memory (with GPS model)
    • measurement of resistance of auxiliary electrodes RS and RH,
    • measurement of interference voltage,
    • measurement of interference frequency,
    • measurement in the presence of interference voltage in the power network
    • with frequency 16 2/3 Hz, 50 Hz, 60 Hz and 400 Hz (with automatic selection of proper frequency of measuring signal or with
    • anual selection),
    • selection of maximum measuring voltage (25 V and 50 V)
    • introducing the distance between the electrodes for the resistivity in metres (m) and feet (ft),
    • memory of 990 measurements (10 banks of 99 cells each),
    • calibration of clamp used,
    • real time clock (RTC),
    • data transmission to the computer USB and Bluetooth*,
    • indication of battery state.