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MICROOMMETER Ф4104-М1

The performance of device Ф4104 is splash- and waterproof.

 

device-f4104

 

Microommeter Ф4104-М1 is designed to measure the DC resistance and is a combinedunifying) analogue of devices Ф415 и Ф410.

The microohmmeter operating principle is based on measuring the voltage drop on the measurement resistance when passing through the control current of a desired value.

 

Specifications:

 

  • The microohmmeter provides measurement of DC resistance at twelve ranges:
    • 0-100 mkOhm,
    • 0-1 мОм,
    • 0-10 mOhm,
    • 0-100 mOhm,
    • 0-1 Ohm,
    • 0-10 Ohm,
    • 0-100 Ohm,
    • 0-1 kOhm,
    • 0-10 kOhm,
    • 0-100 kOhm,
    • 0-1 MOhm,
    • 0-10 MOhm.
  • Limits of principal of the final value of the measuring range:
    • ± 4,0 at 0-100 mkOhm;
    • ± 2,5 milliohms at ranges of 0-1, 0-10 mOhm, 0-100 mOhm, 0-1 Ohm;
    • ± 1,5 on the other ranges.
  • Accuracy class according to GOST (ГОСТ) 8,401 - 80:
    • 4,0 at 0-100 mkOhm;
    • 2,5 milliohms at ranges of 0-1, 0-10 mOhm, 0-100 mOhm, 0-1 Ohm;
    • 1,5 on the other ranges.
  • Measurement of inductances with a time constant of not more than 50 ms.
  • The power supply of the microohmmeters is carried out:
    • from an AC voltage (220 ± 22) V and frequency (50 ± 0,5) Hz (60 ± 0,5) Hz and harmonic content up to 5%;
    • from an AC voltage (220 ± 11) V and frequency (400 ± 10) Hz and harmonic content up to 5%;
    • from chemical sources (nine elements of type RL20, R20) of DC voltage (12 + 3 / -1.5) V.
  • The power consumption from AC does not exceed 4 VA.
  • The current consumed by the chemical power sources does not exceed 120 mA.
  • The maximum current in the measured resistance is as indicated below:

 

Measurement rangeThe current in the measured resistance, APulse duration
of a
measuring current,
not more, ms
Min.Max.
0-100 мкОм,0-1 мОм,
0-10 мОм
3 4 160
0-100 мОм, 0-1 Ом,
0-10 Ом
0.6 0.8 800
0-100 Ом, 0-1 кОм,
0-10 кОм
0,6·10-3 0,8·10-3 постоянный ток
0-100 кОм, 0-1 МОм,
0-10 МОм
0,6·10-6 0,8·10-6

 

    • Continuous operation is not less than 8 hours. The duration of operation of chemical power sources is determined by their capacity.
    • Operating regime:
      • ambient temperature from -30 ° C to + 50 ° C;
      • relative humidity up to 95 % at + 30 ° C.
    • The weight, not more:
      • of the microohmmeter without chemical sources - 2.0 kg;
      • the power supply - 0.3 kg;
      • a bag with accessories 2.1 kg.
    • Overall dimensions are 305 mm x 125 mm x 155 mm.

 Сертификат соответствия в системе УкрСЕПРО Ф4104 Сертификат соответствия средств измерительной техники удвержденному типу Ф4104

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