9210B Reference Series Standard AC/DC Oil Resistors

9210B

  • 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
Features & Benefits
Feature Benefit
Unmatched stability Confidence in uncertainty calculation
Low-temperature coefficient Lower uncertainties
Custom values available Solution you need for your application
Metal film technology Excellent AC/DC agreement
No pressure coefficient No change in value for elevation change
Industry-leading warranty 3 years

Through years of technological experience developing the most accurate and stable resistance standards available, Measurements International has developed the model 9210B Reference Series of Precision Standard Resistors. The 9210B uses oil-filled resistive and coil elements housed in a sealed enclosure. This design offers immunity to changes in barometric pressure and humidity.

For optimal performance as a primary set of resistors, it is recommended that the resistors be placed in Measurements International’s model 9400 Oil Bath, although they will achieve their specifications in a 9300A Air Bath.

Connect to the 9210B’s tellurium copper binding posts at the top of the resistor. The resistors are compact in design and can easily meet the need of sitting 4 inches below the top of the oil. An interconnecting cable may also be ordered with the 9210B Resistance Standards. The interconnecting wire comes in either 2- or 4-conductor configurations 1. The wire may be ordered in lengths with attached screens or in 100-metre rolls.

Each 9210B comes with a calibration report including the assigned value and temperature coefficient data. The small rugged design allows commercial transport.

For values above 100 kΩ, see our 9331R and 9331G series’ of resistors.

 

1 No. 18 gauge solid copper, silver-plated, screened Teflon cable is recommended.

Specifications
Model Nominal
Value
Ohms		 Tolerance
± ppm* 		First Year
Drift
(ppm)		 Stability
12 Month
(ppm)		 Max
Current
(A)		 TC at
25 °C ± 1 °C
(ppm/°C)		 Maximum
Voltage
9210B/0.1 0.1 10 2.5 1 1 0.1 0.1
9210B/1 1 10 2.5 1 0.316 0.1 0.32
9210B/10 10 2 2.5 1 0.1 0.1 1.0
9210B/25 25 2 2.5 1 0.063 0.1 1.58
9210B/100 100 2 2.5 1 0.031 0.1 3.16
9210B/1 k 1 k 2 2.5 1 0.01 0.1 10.00
9210B/10 k 10 k 2 2.5 1 0.003 0.1 31.62
9210B/100 k 100 k 2 2.5 1 0.001 0.1 100.0
9210B/1M 1M 2 2.5 1 0.0003 0.2 300.0

* Tolerance is defined as the potential variance from the nominal resistance value at the time of manufacture. Due to the natural ageing process, monitor the resistance value closely for the first year of ownership.

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