Insulation Resistance Meters AMIC-5000

Insulation Resistance Meters AMIC-5000

AMIC-5000 tester is designed to measure insulation resistance of power cables, transformers, motors and other electrically powered devices. Additionally the device allows for measurement of AC and DC voltages. Input circuits of the measuring devices are electronically protected from overloading, e.g. due to incorrect connection to the circuit being tested or incorrect use of input terminals.

Main characteristics are the following:

Insulation resistance measurement

  • Measurement voltage:
    • *250, 500, 1000, 2500 y 5000 V
    • * From 250 to 5000 V, adjustable 50V steps
  • On-line insulation resistance measurement or leakage current
  • Automatic discharge of tested object’s capacitance after measurement of insulation resistance
  • Direct measurement of one or two absorption coefficients
  • Acoustic determination of 5 seconds time intervals that facilitates to take time characteristics during insulation resistance measurement
  • Saving measured value of test voltages and selected times T1 , T2 y T3 ranging from 1... 600 seconds for the measurements of one or two absorption coefficients
  • Indicator of the actual test voltage value during a measurement
  • Measurement of alternating and direct voltages in the 0...600V range
  • Memory of 999 measurement results with an ability to transfer the data to a PC
  • Automatic selection of measurement ranges
  • Powered by rechargeable battery pack
  • Included with the device an external power supply for automatic battery charging to ensure prolonged battery life and optimal working conditions,
  • Battery status indicator
  • AUTO-OFF function

AC/DC voltage measurement

Range

Resolution

Accuracy

0...600V

1V

±(3%m.v. + 2 digits)

50Hz (sinusoidal shape with harmonic contents < 2%)

Leakage current reading

Range

Resolution

Accuracy

0...Ipmax

depending on range RISO

(-∆I- , +∆I+)

Ipmax  - maximum converter current 1,2 ± 0,2 mA

(-∆I- , +∆I+) - current reading accuracy calculated using the following formula:

∆I-= UISO.(1/R -1/(R+|∆R| ))



∆I+= UISO.(1/(R-|∆R| ) -1/R)

                    UISO - test voltage

                    R - displayed insulation resistance value

                    ∆R - resistance measurement defined for a particular measurement

Insulation resistance measurement

  • Test voltage can be set in the range between 250V and 5000V with 50V intervals
  • Test voltage accuracy (Robc[Ω] ≥1000*UN [V]): 0 +10% of the set value
  • Voltage fluctuation due to temperature changes - better than 0,2% / ºC
  • Measurement timesT1 , T2 and T3 for absorption coefficient measurement selected from the range between 1sec and 600sec with accuracy ± 1sec
  • Measurement range according to EN 61557-2: R ISOmin ...5,0TΩ; R ISOmin =U ISOnom /1mA

Range

Resolution

Accuracy

0,0...999,9kΩ

0,1kΩ

±(3%.m.v. + 20 digits)

1,000...9,999MΩ

0,001MΩ

10,0...99,99MΩ

0,01MΩ

100,0...999,9MΩ

0,1MΩ

1,000...9,999GΩ

0,001GΩ

10,0...99,99GΩ

0,01GΩ

100,0...999,9GΩ

0,1GΩ

1,000...5,000TΩ

0,001TΩ

For measurements of limited converter current, the accuracy is not specified

Minimum insulation resistance measured without limited converter current:

Voltage UISO

Range

250V

250kΩ

500V

500kΩ

1000V

1,0MΩ

2500V

2,5MΩ

5000V

5,0MΩ

“m.v.” = “measured value”

Specifications AMIC-5000

Electric security:

Type of insulation

Double, acc. to EN 61010-1 and IEC 61557

Measurement category

CAT III 600V EN 61010-1

Measurement category for terminals and circuit 5kV

extrapolada III 5000V

Protection class acc. to EN 60529

IP54

Rated operational conditions:

Operating temperature

-10...+50°C

Test voltage accuracy (Robc[Ω] 1000*UN [V])

0 +10%  of the set value

Voltage fluctuation due to temperature changes - better than

0,2% / ºC

Converter output current

min. 1,0mA for rated test voltag

1,0...3,0mA for 2500V

1,0...1,4mA for 5000V

Measurement rate

approx. 1 measure/second

Quality standard

ISO 9001

Other technical data:

Power supply

Juego de baterías Ni-MH

Power supply adaptor

100...240V

tmín  measurement  5kV/1mA acc. EN 61557 (5s/25s)

5h or 600 measurements

Time to auto-off

300 sec. (mode RISO/IL: depends on T2 and T3  ; tOFF= T2/ T3 + 300sec.)

Weight

1,9kg

Dimensions

295 x 222 x 95 mm

Display

LCD

Standard accesories:

  • Ni-MH battery package 7,2V 3Ah
  • Test lead with banana plug; 1,8m; 5kV; red
  • Shielded test lead with banana plug; 1,8m; 5kV; black
  • Test lead with banana plug; 1,8m; 5kV; blue
  • "Cocodrile" K04; 5kV; black
  • 2 "Cocodrile" K05; 5kV; blue and red
  • Pin probe with banana connector - black
  • Pin probe with banana connector - red
  • Carrying caseL1
  • Hanging stramps
  • Cable for battery charger
  • RS-232 serial transmission cable
  • Operating manual
  • Calibration certificate issued by calibration laboratory

Optional accesories:

  • Software for creation of documentation from electrical measurements
  • Software for creation drawings and diagrams
  • AGT-16P (triple phase socket adapter)
  • AGT-32P (triple phase socket adapter)
  • AGT-63P (triple phase socket adapter)
  • USB1.1/RS232 adaptor
  • USB key for software
Using Insulation Resistance Meters AMIC-5000

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