Model: 422E01

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In-line charge converter, 100 mV/pC, +/-2.5V output, -5% frequency 0.5 Hz

  • Sensitivity: (±5%) 100 mV/pC
  • Output Voltage: ±2.5 Vpk
  • Temperature Range: -65 to +212 °F (-54 to +100 °C)
  • Housing Material: Stainless Steel

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Sensitivity (±5 %) (Charge Conversion)100 mV/pC100 mV/pC 
Overrange±3 V±3 V 
Low Frequency Response (-5 %)0.5 Hz0.5 Hz 
High Frequency Response (2.2 mA)60 kHz60 kHz[1] 
High Frequency Response (4 mA)90 kHz90 kHz[1] 
High Frequency Response (20 mA)100 kHz100 kHz[1] 
Non-Linearity≤1.0 % FS≤1.0 % FS 
Temperature Range (Operating)-65 to +212 °F-54 to +100 °C 
Temperature Response (Sensitivity Deviation)≤2 %≤2 % 
Maximum Shock1000 g pk9810 m/s² pk 
Excitation Voltage18 to 28 VDC18 to 28 VDC 
Output Bias Voltage12.75 to 14.25 VDC12.75 to 14.25 VDC 
Output Voltage (at specified measurement range)±2.5 Vpk±2.5 Vpk 
Constant Current Excitation2.2 to 20 mA2.2 to 20 mA 
Output Impedance<20 Ohm<20 Ohm 
Output PolarityInvertedInverted 
Maximum Input Voltage30 V30 V 
Broadband Electrical Noise (1 to 10000 Hz)24 µV-92 dB[3] 
Spectral Noise (1 Hz)19 µV/√Hz-94 dB[3] 
Spectral Noise (10 Hz)2.3 µV/√Hz-113 dB[3] 
Spectral Noise (100 Hz)0.5 µV/√Hz-126 dB[3] 
Spectral Noise (1 kHz)0.2 µV/√Hz-134 dB[3] 
Spectral Noise (10 kHz)0.1 µV/√Hz-140 dB[3] 
Discharge Time Constant1.0 sec1.0 sec 
Resistance (Minimum required at input)1000000000000 Ohm1000000000000 Ohm[2] 
Source Capacitance Loading0.005 %/pF0.005 %/pF 
Housing MaterialStainless SteelStainless Steel 
Electrical Connector (Input)10-32 Coaxial Jack10-32 Coaxial Jack 
Electrical Connector (Output)BNC JackBNC Jack 
Size - Diameter0.52 in13 mm 
Size - Length3.4 in86 mm 
Weight1.15 oz32.7 gm 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] Above stated frequency, the amplifier becomes slew rate limited.
[2] Not to be used with low values of source resistance such as charge mode sensors at elevated temperatures or contaminated sensor cables (preventing low frequency peaking and/or output bias problems).
[3] Tested using voltage source and input capacitor equal to the feedback capacitor, to simulate a charge output sensor.
[4] See PCB Declaration of Conformance PS024 for details.
No Accessories
Optional Versions:
(TLD) TEDS Capable of Digital Memory and Communication Compliant with IEEE 1451.4
    Temperature Range (Operating)-40 to +185 °F-40 to +85 °C
    Output Bias Voltage13.35 to 14.85 VDC
Product Documents
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