Charge Amplifiers

DESIGNED FOR USE WITH CHARGE accelerometers and PRESSURE SENSORS

Charge amplifiers convert a high impedance input signal into a low impedance output signal and are capable of operating with high-temperature (+500 °F) charge-mode sensors’ lower insulation resistance values.

Single-Ended Charge Amplifiers: Designed to operate in conjunction with single-ended charge sensors. Single-ended sensors use coaxial connectors and cables where the connector pin/cable conductor carries the signal and the connector shell/cable shield carries the ground.

Differential Charge Amplifiers: Designed to operate with differential-output charge sensors. sensors. These models accept simultaneous positive and negative signals output by the differential sensor that are equal in amplitude but opposite in phase. Differential sensors output these simultaneous signals on the premise that common-mode noise will affect both signals equally.

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Model Number

Model:422E35

  • Sensitivity: (Charge Conversion)(±2%)1 mV/pC
  • Sensitivity: (Charge Conversion)(±2%)1 mV/pC
  • Output Voltage: (at specified measurement range)±2.5 V
  • Output Voltage: (at specified measurement range)±2.5 V
  • Temperature Range: (Operating)-65 to +250 °F
  • Temperature Range: (Operating)-54 to +121 °C
  • Housing Material: Stainless Steel
  • Housing Material: Stainless Steel
$320.00 USD
(Pricing valid in US only)
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Model Number

Model:422E36

  • Sensitivity: (Charge Conversion)(±2%)10 mV/pC
  • Sensitivity: (Charge Conversion)(±2%)10 mV/pC
  • Output Voltage: (at specified measurement range)±2.5 V
  • Output Voltage: (at specified measurement range)±2.5 V
  • Temperature Range: (Operating)-65 to +250 °F
  • Temperature Range: (Operating)-54 to +121 °C
  • Housing Material: Stainless Steel
  • Housing Material: Stainless Steel
$320.00 USD
(Pricing valid in US only)
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Model Number

Model:422E38

  • Sensitivity: (Charge Conversion)(±2%)0.1 mV/pC
  • Sensitivity: (Charge Conversion)(±2%)0.1 mV/pC
  • Output Voltage: (at specified measurement range)±2.5 V
  • Output Voltage: (at specified measurement range)±2.5 V
  • Temperature Range: (Operating)-65 to +250 °F
  • Temperature Range: (Operating)-54 to +121 °C
  • Housing Material: Stainless Steel
  • Housing Material: Stainless Steel
$320.00 USD
(Pricing valid in US only)
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Model Number

Model:422E55/D

  • Sensitivity: (Charge Conversion)(±25%)0.5 mV/pC
  • Sensitivity: (Charge Conversion)(±25%)0.5 mV/pC
  • Output Voltage: ±5.0 V
  • Output Voltage: ±5.0 V
  • Temperature Range: (Operating)-65 to +250 °F
  • Temperature Range: (Operating)-54 to +121 °C
  • Housing Material: Stainless Steel
  • Housing Material: Stainless Steel
$465.25 USD
(Pricing valid in US only)
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Model Number

Model:422E65/A

  • Sensitivity: (Charge Conversion)(±2%)1 mV/pC
  • Sensitivity: (Charge Conversion)(±2%)1 mV/pC
  • Output Voltage: ±5 V
  • Output Voltage: ±5 V
  • Temperature Range: (Operating)-65 to +250 °F
  • Temperature Range: (Operating)-54 to +121 °C
  • Housing Material: Stainless Steel
  • Housing Material: Stainless Steel
$387.00 USD
(Pricing valid in US only)
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Model Number

Model:422E66/A

  • Sensitivity: (Charge Conversion)(±2%)10 mV/pC
  • Sensitivity: (Charge Conversion)(±2%)10 mV/pC
  • Output Voltage: ±5 V
  • Output Voltage: ±5 V
  • Temperature Range: (Operating)-65 to +250 °F
  • Temperature Range: (Operating)-54 to +121 °C
  • Housing Material: Stainless Steel
  • Housing Material: Stainless Steel
$387.00 USD
(Pricing valid in US only)
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Model Number

Model:421B30

  • Sensitivity: (Voltage Output)(±5%)20.6 mV/pC
  • Sensitivity: (Voltage Output)(±5%)20.6 mV/pC
  • Output Voltage: ±5 Vpk
  • Output Voltage: ±5 Vpk
  • Temperature Range: (Operating)-22 to +185 °F
  • Temperature Range: (Operating)-30 to +85 °C
  • Housing Material: Aluminum
  • Housing Material: Aluminum
$710.00 USD
(Pricing valid in US only)
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Model Number

Model:421B31

  • Sensitivity: (Voltage Output)(±5%)10 mV/pC
  • Sensitivity: (Voltage Output)(±5%)10 mV/pC
  • Output Voltage: ±5 Vpk
  • Output Voltage: ±5 Vpk
  • Temperature Range: (Operating)-22 to +185 °F
  • Temperature Range: (Operating)-30 to +85 °C
  • Housing Material: Aluminum
  • Housing Material: Aluminum
$710.00 USD
(Pricing valid in US only)
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Model Number

Model:422M182

  • Sensitivity: (Charge Conversion)(±5%)4 mV/pC
  • Sensitivity: (Charge Conversion)(±5%)4 mV/pC
  • Output Voltage: (at specified measurement range)±5 Vpk
  • Output Voltage: (at specified measurement range)±5 Vpk
  • Temperature Range: (Operating)-60 to +185 °F
  • Temperature Range: (Operating)-51 to +85 °C
  • Housing Material: Aluminum
  • Housing Material: Aluminum
$1010.00 USD
(Pricing valid in US only)
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Model Number

Model:EX682A40

  • Sensitivity: (+/-5%)10 mV/pC
  • Sensitivity: (+/-5%)10 mV/pC
  • Output Voltage: +/-2.5 Vpk
  • Output Voltage: +/-2.5 Vpk
  • Temperature Range: -40 to +176 °F
  • Temperature Range: -40 to 80 °C
$1125.00 USD
(Pricing valid in US only)
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