Micro/Milliohm Standard Resistance Box

High-precision Four-Wire Fixed Resistance Standard is designed for the calibration and verification of low-resistance measuring instruments, such as micro-ohmmeters and Kelvin bridges.

By utilizing a Kelvin (4-wire) configuration, it eliminates the impact of lead and contact resistance, ensuring high accuracy in the micro-ohm to milliohm range.

Reckonix provides precision resistance standards for low-resistance measurement, instrument verification and calibration applications. Explore our Decade Box solutions in India for industrial and laboratory calibration requirements.

Technical Specifications

Nominal Resistance Test Current (Max) Accuracy
10 µΩ 30 A ±0.2%
50 µΩ 30 A ±0.2%
100 µΩ 15 A ±0.2%
1 mΩ 15 A ±0.1%
10 mΩ 10 A ±0.1%
100 mΩ 10 A ±0.1%
1000 mΩ (1 Ω) 1 A ±0.1%

Key Features

  • Industrial Grade Stability: Designed as a fixed low-resistance source spanning from 10 μΩ to 1000 mΩ.
  • High Current Capacity: Engineered to withstand continuous test currents up to 30 A for the lowest ranges without significant thermal drift.
  • True 4-Terminal Binding Posts: Heavy-duty terminals ensure secure connections for both high-current cables and precision sensing leads.
  • Error Elimination: Effectively negates errors caused by test lead resistance and terminal contact resistance, which is critical for measurements below 1Ω.
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