Model: EX682A40

$1,125.00 USD
(Pricing valid in US only)

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Intrinsically-safe, DIN mount, differential charge amplifier, 10 mV/pC

  • Sensitivity: (+/-5%) 10 mV/pC (10 mV/pC)
  • Output Voltage: +/-2.5 Vpk
  • Temperature Range: -40 to +176 °F (-40 to 80 °C)

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Sensitivity (+/-5 %)10 mV/pC10 mV/pC 
Input Range+/-250 pC+/-250 pC 
Low Frequency Response (+/-5 %)5 Hz5 Hz 
High Frequency Response (+/-5 %)10 kHz10 kHz[1] 
Amplitude Linearity≤1 %≤1 % 
Hazardous Area ApprovalIECEx LCIE 130002XIECEx LCIE 130002X 
Hazardous Area ApprovalLCIE 13 ATEX 3031XLCIE 13 ATEX 3031X 
Hazardous Area ApprovalEx ia IIC T4 GaEx ia IIC T4 Ga 
Hazardous Area ApprovalLCIE 13 ATEX 1010XLCIE 13 ATEX 1010X 
Hazardous Area ApprovalEx nA IIC T4 GcEx nA IIC T4 Gc 
Hazardous Area ApprovalClass I Div 1 Groups A, B, C, DClass I Div 1 Groups A, B, C, D 
Hazardous Area ApprovalClass I Div 2 Groups A, B, C, DClass I Div 2 Groups A, B, C, D 
Temperature Range-40 to +176 °F-40 to 80 °C 
Temperature Response≤1 %≤1 % 
Relative Humidity (Non Condensing)<95 %<95 % 
Excitation Voltage22 to 28 VDC22 to 28 VDC 
Output Bias Voltage10 to 12 VDC10 to 12 VDC 
Output Voltage+/-2.5 Vpk+/-2.5 Vpk 
Constant Current Excitation3.1 to 4.1 mA3.1 to 4.1 mA 
Broadband Electrical Noise (1 to 10000 Hz)200 µV200 µV[2] 
Spectral Noise (1 Hz)50 µV/√Hz50 µV/√Hz[2] 
Spectral Noise (10 Hz)15 µV/√Hz15 µV/√Hz[2] 
Spectral Noise (100 Hz)5 µV/√Hz5 µV/√Hz[2] 
Spectral Noise (1 kHz)2 µV/√Hz2 µV/√Hz[2] 
Spectral Noise (10 kHz)2 µV/√Hz2 µV/√Hz[2] 
Discharge Time Constant>0.25 sec>0.25 sec 
Resistance>50000 Ohm>50000 Ohm 
Source Capacitance Loading0.0003 %/pF0.0003 %/pF 
Output in Relation to InputIn Phase In Phase  
Electrical Connector (Input)Terminal StripTerminal Strip 
Electrical Connector (Output)Terminal StripTerminal Strip 
MountingDIN RailDIN Rail 
Case MaterialInjected Molded NylonInjected Molded Nylon 
Weight5.1 oz145 gm 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] Tested using voltage source and input capacitor equal to the feedback capacitor, to simulate a charge output sensor.
[2] Typical value.
[3] See PCB Declaration of Conformance PS123 for details.
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