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Extech 380405: Capacitance Decade Box


Capacitance box with 5 decade ranges of capacitance


Deskripsi Produk

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.


  • 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



Capacitance ranges100pF to 11.111uF in 100pF steps
Internal Residual Cap50pF maximum
Voltage limit50VDC (non-polarized capacitors)
ConnectionThree (3) binding posts
Accuracy5% (< =1uF: 1kHz test frequency; > 1uF: 100Hz test frequency)
Operating conditionsTemperature: 32 to 122°F (0 to 50°C) / Humidity: < 80%RH
Dimensions/Weight5.79 x 4.61 x 1.3″ (14.7 x 11.7 x 3.3cm) / Approx. 0.69 lbs. (312g)


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