platinum resistance thermometer, temperature metrology, ITS-90 subrange

1310B-X AccuRes Resistance Standard

  • Combines primary-level resistors with scanner and temperature-controlled chamber
  • 11 standard decade values and 6 selectable user values
  • Touchscreen controller shows calibration value and drift information
  • Designed as a DC calibration hub for automated calibrator and DMM stations
  • 0.1 Ω to 1 GΩ
  • 0.1 Ω capable of 3 A
MI 9331G/100T High Value Air Resistor with split guard circuit and internal temperature sensor for primary standards laboratories.

9331G Series

  • High stability
  • 1 MΩ to 100 TΩ
  • Split guard circuit
  • Internal temperature sensor
  • Custom values available
  • NIST design
  • Includes calibration data
resistance standard air, DC resistance reference, AC resistance primary standard, temperature coefficient

9331 Standard AC/DC Air Resistor

  • ISO 17025 calibrations available
  • High stability
  • 10 μΩ to 100 MΩ
  • Operating range 18 °C to 28 °C
  • Custom values available
  • Low-temperature coefficient
  • Stability better than 2.5 ppm/year
  • No air or oil bath required
  • Typical AC/DC error < 1 ppm up to 1 kHz for resistor values up to 10 kΩ
low TC resistor, high stability resistor, Thomas resistor, resistance standard NMI

9331R Precision Standard AC/DC Reference Resistors

  • 9331R AC/DC Reference Resistors
  • High stability
  • 0.1 Ω to 100 MΩ
  • Operating range: 18 °C to 28 °C
  • Custom values available
  • Metal foil technology
  • Ultra-low temperature coefficient
  • Typical AC/DC Error < 1 ppm to 1 kHz
SPRT resistance standard, ITS-90 calibration, high-stability resistor for NMI and primary labs.

9210B Reference Series Standard AC/DC Oil Resistors

  • Decade values: 0.1 Ω, 1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ and 1 M
  • Temperature coefficient: < 2 × 10-7/°C
  • Long-term drift: < 1 × 10-6/Year
  • No pressure coefficient
  • Maximum dissipation: 100 mW
  • Highest performance dissipation: 10 mW
  • Typical AC/DC error: < 1 ppm to 1 kHz
  • Optional carrying case
SPRT calibration resistor, ITS-90 resistance, temperature bridge standard, precision resistor

9210A Series

  • Replacement for Thomas 1 Ω
  • Temperature coefficient: < 0.05 × 10-6 °C
  • Long-term drift: < 0.2 × 10-6/year
  • No pressure coefficient
  • Maximum dissipation: 100 mW
  • Highest performance dissipation: 10 mW
  • Comes with carrying case