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MIC-5010 Insulation Resistance Meter

MIC-5010 Insulation Resistance Meter

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Description

  • 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 T1 , T2 and T3 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 RISO and RCONT.
  • Measurement of leakage current during insulation resistance testing.
  • Measurement of capacitance during the measurement of RISO.
  • 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 (with the USB-OR adapter) 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.

Insulation resistance measurement (two-lead)

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

Range Resolution Accuracy
0,0…999 kΩ 1 kΩ ±(3% m.v. + 10 digits)
1.00…9,99 MΩ 0,01 MΩ
10.0…99,9 MΩ 0,1 MΩ
100…999 MΩ 1 MΩ
1.00…9,99 GΩ 0,01 GΩ
10.0…99,9 GΩ 0,1 GΩ
100…999 GΩ 1 GΩ ±(3.5% m.v. + 10 digits)
1.00…9,99 TΩ 0,01 TΩ ±(7.5% m.v. + 10 digits)
10.0…15,0 TΩ 0,1 TΩ ±(10% m.v. + 10 digits)

Values of measured resistance depending on measurement voltage

Voltage UISO 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] Calculated basing on
resistance measurements

· ILmax – 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% m.v. + 3 digits)
120.0…199.9 Ω 0,1 Ω
200…999 Ω 1 Ω ±(4% m.v. + 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.v. + 5 digits)
1.00…49.99 µF 0.01 µF

· Capacity measurement result is displayed after the RISO measurement

DC and AC voltage measurement

Range Resolution Accuracy
0.0…29.9 V 0.1 V ±(2% m.v. + 20 digits)
30.0…299.9 V 0.1 V ±(2% m.v. + 6 digits)
300…600 V 1 V ±(2% m.v. + 2 digits)

 

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

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