-40%
GR / GenRad / General Radio 1404-B 100pF Standard Reference Capacitor 1404B
$ 712.8
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Description
Standard DescriptionDescription
GR / GenRad / General Radio 1404-B 100pF Standard Reference Capacitor
The GenRad 1404-B 100 pF Standard Capacitor is the standard of choice in metrology labs, and is used today by standards labs around the world. These capacitors have been designed as primary reference standards of capacitance with which working standards can be compared. In addition to capacitance, combined with an accurately known external resistor, the GenRad 1404-B 100 pF Standard Capacitor becomes a standard of dissipation factor. All critical parts of the plate assembly are made of Invar for stability and low temperature coefficient. After heat cycling and adjustment, the assembly is mounted in a heavy brass container, which, after evacuation, is filled with dry nitrogen under pressure slightly above atmospheric and sealed. The container is mounted on an aluminum panel and protected by an outer aluminum case. Each capacitor is subjected to a series of temperature cycles to determine hysteresis and temperature coefficients and to stabilize the capacitance.
The item is in good condition, tested, and working. The Digibridge, adapters and cables shown in the photos are not included in the sale and are shown for demonstration purposes only.
Shipping Weight (lbs.):
12
Shipping Dimensions (in.):
13 x 13 x 13