- Additional Files Link

- Insulation resistance measurement:

- measurement voltage any in the range of 50…1000 V at 10 V and 1000...5000 V at 25 V resolution,

- continuous indication of measured insulation resistance or leakage current,

- automatic discharge of measured object capacitive voltage after the end of insulation resistance measurement,

- acoustic signaling of 5 seconds intervals to facilitate capturing time characteristics,

- metered T_{1}, T_{2}and T_{3}test times for measuring one or two absorption coefficients from the range of 1…600 s,

- adjustable measuring time to 99'59'’,

- polarization index (PI) and dielectric absorption ratio (DAR) measurement,

- indication of actual test voltage during measurement,

- 1.2 mA and 3 mA test current,

- step voltage insulation resistance measurement (SV),

- Dielectric Discharge calculation (DD),

- protection against measuring live objects,

- measurements with test leads up to 20 m

- Digital filters function for measurements in high noise enviroment (10 s, 30 s , 60 s).

- Continuity measurement of protective connections and equipotential bonding in accordance with EN 61557-4 with current > 200 mA.

- Adjustable limits for measured resistance R
_{ISO}and R_{CONT}.

- Measurement of leakage current during insulation resistance testing.

- Measurement of capacitance during the measurement of R
_{ISO}.

- DC and AC voltage measurement in the range of 0…600 V.

- 990 cells of memory (11880 records) with the capability of wireless data transmission to a PC or through a USB cable.

- Power supply from battery packs, low battery warning indicator, built-in fast charger.

- Keyboard and display backlit.

The instruments meet the requirements of the EN 61557 standard.

Virtual instrument application of Sonel MIC-5010

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**Insulation resistance measurement (two-lead)**

Measurement range acc. to IEC 61557-2: 50k…15,0 TΩ (I_{ISOnom} = 1,2 mA or 3 mA)

Range | Resolution | Accuracy |
---|---|---|

0,0...999 kΩ | 1 kΩ | ±(3% w.m. + 10 digits) |

1,00...9,99 MΩ | 0,01 MΩ | ±(3% w.m. + 10 digits) |

10,0...99,9 MΩ | 0,1 MΩ | ±(3% w.m. + 10 digits) |

100...999 MΩ | 1 MΩ | ±(3% w.m. + 10 digits) |

1,00...9,99 GΩ | 0,01 GΩ | ±(3% w.m. + 10 digits) |

10,0...99,9 GΩ | 0,1 GΩ | ±(3% w.m. + 10 digits) |

100...999 GΩ | 1 GΩ | ±(3,5% w.m. + 10 digits) |

1,00...9,99 TΩ | 0,01 TΩ | ±(7,5% w.m. + 10 digits) |

10,0...15,0 TΩ | 0,1 TΩ | ±(10% w.m. + 10 digits) |

Values of measured resistance depending on measurement voltage

Voltage U_{ISO} |
Measurement range |
---|---|

250 V | 500 GΩ |

500 V | 1,00 TΩ |

1000 V | 2,00 TΩ |

2500V | 5,00 TΩ |

5000V | 15,0 TΩ |

**Measurement of leakage current**

Range | Resolution | Accuracy |
---|---|---|

0…ILmax | m, µ, n [A] | Calculation based on resistance measurements |

· I_{L}max – maximum current at short circuit of leads,

· resolution and units result from the measurement range of individual insulation resistance.

**Step voltage insulation resistance measurement**

Target voltage |
Measurement voltage sequence |
---|---|

1 kV | 200, 400, 600, 800, 1000 V |

2,5 kV | 0,5, 1, 1.5, 2, 2,5 kV |

5 kV | 1, 2, 3, 4, 5 kV |

· duration of each "step" adjustable from 30s to 5mins

· measurement result for each voltage step is stored in memory

**Continuity measurement of protective connections and equipotential bonding with 200 mA current**

Measurement range acc. to EN 61557-4: 0,12...999 Ω

Range | Resolution | Accuracy |
---|---|---|

0.00...19,99 Ω | 0,01 Ω | ±(2% w.m. + 3 digits) |

20,0...199,9 Ω | 0,1 Ω | ±(2% w.m. + 3 digits) |

200...999 Ω | 1 Ω | ±(4% w.m. + 3 digits) |

· Voltage on open terminals: 4...24 V

· Output current at R < 2 Ω: Imin > 200 mA (ISC: 200...250 mA)

· Compensation of test lead resistance

· Current flowing in both directions, mean value of resistance is displayed

**Capacity measurement**

Range | Resolution | Accuracy |
---|---|---|

1...999 nF | 1 nF | ±(5% m.w. + 5 digits) |

1,00...49,99 µF | 0,01 µF | ±(5% m.w. + 5 digits) |

· Capacity measurement result is displayed after the R

_{ISO }measurement

**DC and AC voltage measurement**

Range | Resolution | Accuracy |
---|---|---|

0.0...29,9 V | 0,1 V | ±(2% w.m. + 20 digits) |

30,0...299,9 V | 0,1 V | ±(2% w.m. + 6 digits) |

300...600 V | 1 V | ±(2% w.m. + 2 digits) |

The acronym “m.v.” stands for a “measured reference value”.