AOIP-Onsite micro-ohmmeter up to 50 KΩ and 10 A (Model:OM 10)

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 OM 10 micro-ohmmeter performs 4-wire measurements of inductive and non-inductive resistances up to 50 KΩ with continuous or pulse measuring current up to 100 mA. It works at a resolution of 10 µΩ and an accuracy of 0.1%. The accuracy of measurements is also ensured by the automatic compensation of thermal electromagnetic forces, the compensation of ambient temperature (internal sensor) at 20°C and by the selection of the metal type.

OM 10 can also measure DC and AC voltages up to 400 V.

OM 10 micro-ohmmeter performs 4-wire measurements of inductive and non-inductive resistances up to 50 KΩ with continuous or pulse measuring current up to 100 mA. It works at a resolution of 10 µΩ and an accuracy of 0.1%. The accuracy of measurements is also ensured by the automatic compensation of thermal electromagnetic forces, the compensation of ambient temperature (internal sensor) at 20°C and by the selection of the metal type.
OM 10 can also measure DC and AC voltages up to 400 V.

Key-features :

  • 4-wire resistance measurement up to 50 K at 10µΩ resolution and 0.1% accuracy
  • Voltage measurement up to 400 V at 1 V resolution and 1% accuracy
  • Continuous measurement current for inductive loads: Coils, transformers, motor windings, twisted cables…
  • Pulse measurement current for non-selfic resistances: Earth bonding, ground continuity, contact resistances, non-twisted cables…
  • Automatic compensation of thermal E.M.F.
  • Temperature compensation
  • Metal temperature compensation

Applications :

  • Cable resistance and resistivity measurement
  • Inductive resistance measurement (transformers, motors…)
  • Contact resistance measurement (connectors, switches, relays…)
  • Metallisation, earth bounding and ground continuity tests
  • Tests of low power electrical components (fuses…)
  • Tests of heat-sensitive devices
  • Tests of surface states, mechanical bonds and materials

   

Functionalities OM 10
Measurement Low resistance value measurement in 4-wire configuration
Inductive and non-inductive resistances
DC and AC voltage
High accuracy 0.05 % RDG
Current Pulse or DC current
Range: Up to 50 KΩ
Resolution 10 µΩ
Protection Up to 250 V / Up to 430 V for voltage measurement
Power supply Mains and internal battery
Communication modes RS 232
Resistance calculation Automatic compensation for EMFs and ambient temperature
Display of temperature compensated resistance value
Choice of metal temperature coefficient
Choice and display of ambient temperature (measured with integrated sensor)
Additional functions Calibration without internal adjustment
Applications: Cable resistance, motors, contact resistance, metallisation and earth bonding resistance, transformers…

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