Product Photo(CH-6130/6140 Charge Converter)



The CH-6130/6140 charge converter is a simplified type of charge amplifier converting charge signal to voltage.
It can be connected directly to an input BNC connector of a CCLD applicable equipment such as FFT analyzer or vibration comparator, enabling direct connection of a charge output pickup without suing a box type amplifier.



  • Compact, light weight, simple charge amplifier.

  • Can be easily connected to a sensor input connector (BNC) of CCLD appliable equipment such as FFT analyzer.

  • Two models are available. Make your selection according to the sensitivity of the input sensor,

conversion coefficient : CH-6130 1 mV/pC
  CH-6140 10 mV/pC


Model CH-6130 CH-6140
Gain 1.0 mV/pC *1 10.0 mV/pC *1
Frequency range 2 Hz to 45 kHz (±3 dB) *2
5 Hz to 15 kHz (±0.5 dB) *2
Output voltage 10 Vp-p or more
Output bias 10 VDC ±2 VDC
Noise max. 0.05 pC(rms)
Driving power supply Voltage : 18 to 36V
Constant current : 2.0 to 20 mA
Connector Input : Miniature connector, Screw No.10-32 UNF
Output : C02(BNC) connector
Structure I/O connectors, Case ground
Case Material Stainless (SUS303)
Operating temperature range 0 to +50°C
Operating humidity range 85 % RH or less
Outside dimensions φ15 × 40 mm
Weight approx. 20 g

*1: at 160 Hz
*2: The gain at 160 Hz is made 0 dB.




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