IET 1413 precision capacity decade

  • Capacitance Range: 1 pF to 1.111 11 μF
  • Base Accuracy: 0.05%
  • Resolution: 6 digits
  • Zero-Capacitance: <0.1 pF
  • Stability: 100 ppm/year
  • TC: <20 ppm/°C
  • Rack mounting available
  • Front and rear outputs available
IET 1413 precision capacity decade

IET 1413 precision capacity decade

IET continues to produce the 1413 series capacity decadent to exactly the same specifications as GenRad. The GenRad IET 1413 precision capacity decade is a standard with a wide range of high quality and a reliable component for systems. It can be used as a tabletop model for versatile use or mounted in a system rack.

This six-capacity deccade features fine adjustment over a wide range of capacities, with excellent accuracy. Any value in the range from 0 to 1.111 11 uF can be set at a resolution of 1 pF, with an accuracy of 0.05% + 0.5pF.

For a wider range of up to 10,000 uF with comparable performance, the HASC-Z capacity decadence can be considered.

The GenRad 1413 uses air capacitors for the two lower decades. Mechanically stabilized sealed India Ruby mica capacitors are used for the rest.

Air trimmers are used for trimming the two lowest silver plated mica decades.

Technical Specifications

The most important technical specifications are listed below.

 Capacitance per step  Total decade capacitance  Accuracy* Stability  Max Voltage Dissipation factor *  Capacitor type
 HACS-Z-1pF Variable
 1 pF+  ±0.1 pF  ±(100 ppm + 0.1 pF) per year  500 V peak max up to 10 kHz  <0.003 typical  Air Capacitors
 1 pF  10 pF  ±(0.05%+0.5 pF)  <0.002
 10 pF  100 pF  <0.002
 100 pF  1 nF  Position 1: <0.002

All others: <0.001

 Silvered mica

Mechanically stabilized

Hermetically sealed

 1,000 pF  10 nF  Position 1: <0.001

Position 2: <0.0005

All others: <0.0003

 0.01 µF  100 nF  <0.0003
 0.1 µF  1 µF  <0.0004

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