CH16-B precision decade standard capacitance box

  1. CH16-B precision decade large-capacitance box is a standard capacitance measuring instrument designed for measurement institutes, research institutes, production measurement and laboratories. The capacitance range is from 100pF to 111.1110μF with a minimum step of 100pF and zero-switch capacitance less than 0.00005pF. The capacitance box has six-digit decade readings.
  2. This capacitance box adopts four-terminal output mode and can be connected to the instrument through BNC socket.
  3. The capacitance box adopts new-structure changeover switch, high-quality capacitor synthetic material, and precision standard capacitor manufactured through special processing. It has stable and reliable capacitance and is easy to use.

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Calibration conditions


Ambient temperature: (23±2)℃

Relative humidity: (50±10)%


Operation conditions


Ambient temperature: 10℃ to 40℃




1. Capacitance range:     100pF~111.1110μF


2. Minimum step size:     100pF


3. Digits of reading:     Six-digit decimal system


4. Zero-switch capacitance:     <0.00005pF


5. Accuracy:     ±(0.03%+0.00005pF)


6. Temperature coefficient:     ≤20ppm/℃  from 100pF~100μF


7. Stability:     ≤200ppm per year from 100pF~100μF


8. Output mode:     four-terminal-pair output


9. Calibration frequency/operating frequency (f):

    100pF~1μF:     1,000Hz

    1μF~111.1110μF:     100Hz


10. Maximum voltage (U):

    100pF~1μF:     ≤100V

    1μF~111.1110μF:     ≤50V

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