Description

INSULATION RESISTANCE METERS MIC-5050

Insulation resistance measurement: up to 20 TΩ,

• measurement voltage any in the range of: 50…5000 V (50…1000 V at 10 V and 1…5 kV at 25 V),
• continuous indication of measured insulation resistance or leakage current,
• automatic discharge of measured object capacitance voltage after the end of insulation resistance measurement,
• acoustic signaling of 5 seconds intervals to facilitate capturing time characteristics,
• adjustable measuring time to 99’59’’,
• metered T₁, T₂ and T₃ test times for measuring one or two absorption coefficients from the range of 1…600 s,
• polarization index (PI), absorption coefficients Ab1, Ab2 and dielectric absorption ratio (DAR) measurement,
• indication of actual test voltage during measurement,
• 1.2 mA, 3 mA and 5 mA test current,
• insulation resistance measurement using two- or three-wire method,
• measurements with test leads up to 20 m…
• protection against measuring live objects,
• automatic measurement of multiple core cables with the additional AutoISO-5000 adapter
• measurement of capacitance during the measurement of R_ISO.
• measurement of temperature (with additional probe – WASONT1),
• step voltage insulation resistance measurement (SV),
• Dielectric Discharge calculation (DD),
• location of damage (burnout),

• Digital filters function for measurements in high noise environment.
• 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.
• DC and AC voltage measurement in the range of  0…750 V.
• Drawing graphs on the display during measurement.
• Innovative  memory  with possibility of description of:  measurement points,  facilities,  names  of  customers.
• Operating with mini Bluetooth keyboard (option).
• Graphic LCD 5,6’’ backlit.
• Keyboard backlit.
• Power supply from main power line or battery packs.
• Built-in fast charger.
• The instruments meet the requirements of the EN 61557 standard.

SPECIFICATIONS

Insulation resistance measurement
easurement range acc. to IEC 61557-2: U_N = 5000 V: 5,00 MΩ …20,0 TΩ

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…20,0 TΩ	0,1 TΩ	±(12,5% m.v. + 10 digits)

Values of measured resistance depending on measurement voltage

Voltage UISO	Measurement range	AutoISO-5000 measurement range
50 V	200 GΩ	20,0 GΩ
100 V	400 GΩ	40,0 GΩ
250 V	1,00 TΩ	100 GΩ
500 V	2,00 TΩ	200 GΩ
1000 V	4,00 TΩ	400 GΩ
2500 V	10,00 TΩ	400 GΩ
5000 V	20,0 TΩ	400 GΩ

Step voltage insulation resistance measurement

Voltage UISO	MIC-5050
50…1000 V	25 V
1000…5000 V	50 V

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)
20,0…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  < 15 Ω: min. 200 mA (ISC: 200…250 mA)
• Compensation of test lead resistance
• Current flowing in both directions, mean value of resistance is displayed

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…750 V	1 V	±(2% m.v. + 2 digits)

• Frequency range: 45…65Hz

Measurement of capacitance

Display 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 R_ISO measurement
• for measuring voltages under 100 V capacitance measurement accuracy not specified.

Measurement of temperature

Display range	Resolution	Accuracy
-40,0…99,9 °C	1 °C	±(3%m.v. + 8 digits)
-40,0…211,8 °F	1 °F	±(3%m.v. + 16 digits)

Electrical safety:

• type of insulation: double, in acc. with EN 61010-1 and IEC 61557
• measurement category: IV 600 V (III 1000 V) in acc. with  EN 61010-1
• case protection rating in acc. with  EN 60529: IP40 (IP67 – with lid closed)

Other technical specifications:

• power supply of the meter: built-in battery pack,
• weight of the meter: approx. 7 kg,
• dimensions: 390 x 310 x 180 mm,
• display: graphic LCD 5,7′,
• transmission of measurement results USB or Bluetooth®.

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