The Measurements International 9331 series of Precision Standard Air Resistors provide high accuracy and stability, for precision, on-site, resistance calibrations for values from 1 μΩ to 100 MΩ. The small, light and rugged resistance standards are ideal for use as working standards and are often used as artifacts in inter laboratory comparisons.
Stability and temperature coefficients of the 9331 make this resistor ideal for easy transport and for operation in any working environment within the range of 18 to 28 °C. The resistance standards require no temperature controlled oil or air baths to achieve their specifications. However, for optimal performance as a primary set of resistors, it is recommended that the resistors be placed in the Measurements
International’s Model 9300A Air bath.
Connections to the Model 9331 are made using tellurium copper binding posts for values to 100 MΩ. A separate ground terminal is included for screening and the case is hermetically sealed to keep moisture out.
Interconnecting cable may also be ordered with the 9331 Resistance Standards. The interconnecting wire comes in either two or four conductor configurations. The wire may be ordered in lengths with screens already attached or in 100-meter rolls. No. 18 gauge solid copper, silver-plated, screened Teflon cable is recommended. Four-conductor cable is recommended to 1 MΩ and two-conductor cable for values
above 1 MΩ.
Special values also available at customer request.
IKM Instrutek AS
T: 33 16 57 00
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Org. nr.: 883 385 152
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