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Sonel MIC-15K1 Insulation Resistance Meter

£6,612.00 £5,510.00
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Sonel MIC-15K1 Insulation Resistance Meter

The Sonel MIC-15K1 15kV insulation resistance meter has been designed to measure insulation resistance of electrical power engineering objects, including single and multi-core cables, transformers, motors and generators, condensers, circuit breakers and other power station equipment. 

MIC-15k1 meter is designed to measure insulation resistance of power objects, i.e.:

  • single- and multicore cables,
  • transformers,
  • motors and generators,
  • capacitors, switches and other devices installed in power stations.

Sonel MIC-15K1 insulation resistance meter comes complete with a calibration certificate traceable to National Standards, when purchased from us at no extra charge. 

Contact us for further information regarding Sonel MIC-15K1 insulation resistance meter. 

Sonel MIC-15k1 is especially recommended for measurements in areas with very high electromagnetic disturbances, e.g., at substations with a voltage of 1200 kV AC or 500 kV DC. Due to the measuring voltage of 15 kV (in accordance with the guidelines of ANSI/NETA ATS-2009 TABLE 100.1 standards) the meter can be used for objects with nominal voltage above 34.5 kV.

The MIC-15k1 is an extremely modern, ergonomic device with intuitive operation. It will satisfy even the most demanding measuring engineers in the most difficult conditions, with large disturbances, where other meters will be useless.

 Features

  • Partial discharge indicator PDI.
  • Diagnostics of insulation systems based on standard measurements ofIR, DAR, PI, SV, RT, DD.
  • It allows testing the electrical durability of the tested object - breakdown voltage indication.
  • High resistance to electromagnetic interferences guarantees uninterrupted work in power stations and in close proximity to high voltage transmission lines up to 1200 kV ACand 800 kV DC.
  • The function of smooth voltage rises in time (RT - Ramp Test) allows to state the partial discharges in the facility and to carry out a partial location of their occurrence.
  • Efficient converter with a power of ~150 Wthat enables insulation burnout, allowing for pinpointing the location of cables and wires short circuit using one of the following:
    • visual method (if power cables are visible along the entire length),
    • reflectometric methods, seismic-acoustic waves detector, or with A-frame to indicate direction of the fault (the conductor must be buried in the ground with earth direct contact).
  • Compatible with external software.

It is especially recommended for measurements in areas with very high electromagnetic disturbances, e.g., electrical substations with 1200 kV AC and 800 kV DC. Thanks to the 15 kV measuring voltage (in accordance with ANSI / NETA ATS-2009 TABLES 100.1) the meter can be used for measuring objects with a nominal voltage above 34.5 kV.

Capabilities of the device

Highly efficient HV inverter, with test voltage of 15 kV and current up to 10 mA, suitable for measuring the insulation resistance up to 40 TΩ. Achieving such a result makes these meters unrivalled devices. Three-wire resistance measurement, performed using a "GUARD" wire, eliminates surface leakage currents caused by contaminated insulation, thereby increasing the reliability of obtained results.

The meter indicates the Dielectric Absorption Ratio DAR, Polarization Index PI and the value of Dielectric Discharge DD.

The device allows user to assess the condition of the insulation, by applying the test voltage incrementally in steps (SV - Step Voltage) or smoothly (Ramp Test - RT).

  • SV method ensures that a dielectric in good condition will provide the same results, regardless of the applied voltage.
  • RT method allows to determine the characteristics of the insulating material. The meter smoothly increases the measuring voltage without exposing the object to so-called electrical stress. It records the time and voltage value at which the electrical breakdown of the insulation took place.

Built-in digital filters, with averaging time of 10, 30, 60, 100, 200 sec. guarantee stable measurement results in areas of strong electromagnetic interference

Burnout

A very useful solution is the function that allows to Burnout the damaged object. In case of exposed cables, it enables visual identification of the fault location. In the case of shielded cables, the method allows to generate a seismic acoustic wave from the place of damage. In special conditions, an energetic discharge will appear cyclically. By using the geophone, it will be possible to precisely pinpoint the place where such a discharge occurs. Burnout feature allows also locating transient faults (appearing, for example, only during rainfall) with the support of reflectometry, and in case of a short circuit (of a screen or return wire) to the ground - applying the method of measuring voltage drop (the A-frame).

Autosaving the measurement results

The device automatically saves the measurement results. The number of autosave points depends on the amount of data, which is saved within the main memory.

Data analysis

The Sonel MIC Mobile mobile app allows to observe the results during the measurement. The application can generate real-time graphs in various configurations. This allows to evaluate the condition of the object already during the tests.

The option of remote start and stop of the measurement is particularly useful. Thanks to it, the tests can be carried out remotely, e.g., from a different room or inside the car, when there are difficult weather conditions for the user. Using the phone GPS, it is possible to precisely determine the place of measurement.

Thanks to the mobile application and the Sonel Reader software, the user can store previous measurements data and compare them with current results transferred from the meter's extensive memory. This solution allows to prepare a measurement report, track the progress of insulation degradation and plan renovation works.

What’s included:

  • Test lead 15 kV 3m CAT IV 1000V with crocodile clip, black
  • Test lead 15 kV 3m CAT IV 1000V with crocodile clip, red
  • Test lead 15 kV 3m CAT IV 1000V with crocodile clip, blue
  • Mains cable with IEC
  • USB cable
  • W1 hanging straps
  • L4 carrying case

 

MODERN INSULATION ANALYZER SONEL MIC-15K1

Insulation resistance testing is commonly associated with periodic inspections of electrical installations. This is a relatively simple operation and it takes more time to prepare the circuit for measurement than the measurement itself. The rating is pass-fail. If the insulation resistance is higher than 1 MΩ, it can still be operated (for circuits with nominal voltage up to 500 V HD-60364:2008). Devices for this type of measurement are relatively simple, and the choice among the various models is very large.     

Measurements of insulation resistance of cables, motors or transformers look quite different. Assessment of insulation condition for such objects is more complicated. It requires, in addition to measuring the resistance itself, verification of various factors resulting from phenomena occurring during measurements. For example, there are objects with large capacitance, which determines the required parameters for the HV converter in the meter. New insulation resistance analyser from SONEL S.A., MIC-15-k1 is a device that sets a new trend in this type of research.

The meter is designed to measure the insulation resistance of power objects, including single and multi-core cables, transformers, motors and generators, capacitors, breakers and other power station equipment. It is especially recommended for measurements in areas with very high electromagnetic disturbances, e.g., at power stations with 1200 kV AC or 500 kV DC. Thanks to the measuring voltage of 15 kV (in accordance with ANSI / NETA ATS-2009 TABLE 100.1), the meter can be used for objects with a nominal voltage above 34.5 kV. The HV converter deserves special attention. With a power of nearly 150 W (15 kV, current up to 10 mA, range up to 40 TΩ), it makes this meter unrivalled in this class of instruments on the world market. Such parameters allow to burn the insulation of the tested cable, making it easier to locate the place of insulation damage, e.g., short circuit. This can be checked visually (if the cables are visible along the entire length), using reflectometric methods, a seismic-acoustic wave receiver or a voltage drop measurement method – A frame (LKZ-1500 when the cables are buried). The device is equipped with a number of diagnostic functions of insulation systems based on standard Insulation Resistance (IR), Dielectric Absorption Ratio (DAR), Polarization Index (PI), Step Voltage (SV), Ramp Test (RT), Dielectric Discharge (DD) measurements, extended by the partial discharge indicator (PD) for each of these measurements.

The function of continuous voltage rise over time (RT) makes it possible to determine the presence of partial discharges in the object and to conduct a segmental location of their place of occurrence. Assessment of insulation condition is possible by setting the measuring voltage increase in steps (SV) or continuously (RT). The SV method makes a dielectric in good condition provide the same results, regardless of the applied voltage. The RT method, where voltage increases linearly, enables to determine the insulation properties of the material. The meter smoothly increases the measuring voltage without exposing the object to the so-called electrical stress. The time and value of the voltage at which the electrical breakdown occurs is recorded. Built-in digital filters with averaging time of 10, 30, 60, 100 and 200 seconds guarantee stable measurement results in areas with strong electromagnetic interference.

The meter itself is equipped with a large segment LCD display and is supported with free Sonel MIC Mobile application. It provides result observation and plotting graphs of different parameters in real time, during the measurement. This allows to assess the condition of the object already during the test, because the shape of the graph carries information about the state of insulation, even when the measurement has not yet been completed. The possibility of remote start and stop of measurement is particularly useful. Thanks to this, the tests can be carried out remotely, e.g., from another room or a car, when climatic conditions are inconvenient for the operator. Using the phone's GPS, the exact place of the measurement can be determined. Thanks to the mobile application and the Sonel Reader software, the user can collect historical data and compare it with recent results transferred from the meter's extensive memory. This solution allows a measurement report to prepared, track the progress of insulation deterioration and plan renovation work. An invaluable convenience for the user is the automatic measurement recording function, in case the operator forgot to enter the result into the analyser memory. The meter automatically saves all measurements (in temporary memory) that can be identified by the date and time of their execution, thanks to the meter's internal Real Time Clock (RTC).

To sum up, the MIC-15k1 is an extremely modern, ergonomic device with intuitive operation. It will satisfy even the most demanding users, in the most difficult conditions, at high interference, where other meters will be useless.

The pioneering solution of combining insulation resistance measurement with partial discharge indicator makes this analyser one of the most powerful diagnostic tools for electrical insulation in the world.

Sonel MIC-15K1 insulation resistance meter comes complete with a calibration certificate traceable to National Standards, when purchased from us at no extra charge. 

Contact us for further information regarding Sonel MIC-15K1 insulation resistance meter. 

 

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