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380405: Capacitance Decade Box

The Extech 380405 Capacitance Decade Box is very popular for product design testing and calibration because it can be substituted into a circuit and function in the place of any component with a standard value easily. Alternatively, it can be used to identify the best value for circuit operation then read that value from the switches.

380405: Capacitance Decade Box

Capacitance box with 5 decade ranges of capacitance. The Extech 380405 Capacitance Decade Box is very popular for product design testing and calibration because it can be substituted into a circuit and function in the place of any component with a standard value easily. Alternatively, it can be used to identify the best value for circuit operation then read that value from the switches. A capacitor of the size indicated by the decade box switches can then be put into the circuit.

Features.

  • Durable construction
  • Case may be grounded separately
  • 3 binding posts permit isolated substitutions
  • 5% Capacitance substitution from 100pF to 11,111µF
  • Excellent for circuit development
  • Five decade ranges of capacitance
Specifications Range
Capacitance ranges 100pF to 11.111uF in 100pF steps
Internal Residual Cap 50pF maximum
Voltage limit 50VDC (non-polarized capacitors)
Connection Three (3) binding posts
Accuracy 5% (< =1uF: 1kHz test frequency; > 1uF: 100Hz test frequency)
Operating conditions Temperature: 32 to 122°F (0 to 50°C) / Humidity: < 80%RH
Dimensions/Weight 5.79 x 4.61 x 1.3″ (14.7 x 11.7 x 3.3cm) / Approx. 0.69 lbs. (312g)

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