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1-channel module only, dual-mode charge amplifier

DUAL MODE CHARGE AMPLIFIER

Model 443B102

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  • IP

1-channel module only, dual-mode charge amplifier

For ICP® and charge output sensors, includes medium and long discharge time constant settings.
Part of 443B02 System.
  • Sensor Input Type(s): ICP®, Charge
  • Power Required: +15 at 230 mA

Specification Notes

[1] Can be increased using optional external 472B series charge attenuator.
[2] 4 Digit - Selectable
[3] Long time constant charge mode only.
[4] Must be used with PCB 440 series mainframe chassis with computer control (RS-232).
[5] Measured at gain of 1 mV/pC with 1 nF source capacitance.
[6] Measured at gain of 1,000 (60 dB), input referred.
[7] Measured at gain of 10V/pC (80 dB) with 1 nF source capacitance, input referred.
[8] Discrete mA settings (0, 2, 4, 8, 12, or 20).
[9] In medium time constant mode, output range is limitied to ±8V for certain gain settings
[10] Maximum number of 443B102 Dual Mode Signal Conditioners that can be powered by (1) 441A101 is (4). Other modules must be calculated not to exceed total power of 30 watts.
[11] Measured at gain of 1 with low noise ICP® simulator. (High pass filter = 0.2Hz)
[12] Depends on gain setting. LCD displays value when gain is entered.
[13] When in ICP® mode, long TC is true DC response.
[14] Double width unit.

English: SI:
Performance
Voltage Gain Increment 0.1-1000 0.1-1000
Accuracy ±0.5 % ±0.5 %
Accuracy ±0.5 % ±0.5 %
Sensitivity .001 to 9.999 mV/unit .001 to 9.999 mV/unit [2]
Sensitivity (Charge Input) 0.0001 to 10 V/pC 0.0001 to 10 V/pC
Input Range 100000 pC 100000 pC [1]
Low Frequency Response (-10 %) 2.0 Hz ±20 % 2.0 Hz ±20 %
Low Frequency Response (-10 %) 0.2 Hz ±20 % 0.2 Hz ±20 %
Low Frequency Response (10 %) 1.0 Hz ±5 % 1.0 Hz ±5 %
Low Frequency Response (10 %) 10 Hz ±5 % 10 Hz ±5 %
Low Frequency Response (10 %) 1.0 Hz ±5 % 1.0 Hz ±5 %
Low Frequency Response (10 %) 10 Hz ±5 % 10 Hz ±5 %
High Frequency Response (-10 %) 200 kHz ±5 % 200 kHz ±5 %
Electrical Filter Roll-off 80 dB/decade 80 dB/decade
Filter Type Low Pass Low Pass
High Frequency Response (-10 %) 0.1 kHz ±5 % 0.1 kHz ±5 %
High Frequency Response (-10 %) 1.0 kHz ±5 % 1.0 kHz ±5 %
High Frequency Response (-10 %) 3.0 kHz ±5 % 3.0 kHz ±5 %
High Frequency Response (-10 %) 10 kHz ±5 % 10 kHz ±5 %
High Frequency Response (-10 %) 30 kHz ±5 % 30 kHz ±5 %
High Frequency Response (-10 %) 100 kHz ±5 % 100 kHz ±5 %
Drift <0.03 pC/s <0.03 pC/s [3]
Control Interface
Digital Control: Data Rate 9600 bps 9600 bps
Environmental
Temperature Range (Operating) 32 to 120 °F 0 to +50 °C
Electrical
Excitation Voltage 24 ±1 VDC 24 ±1 VDC
DC Offset <50 mV <50 mV
Constant Current Excitation 0 to 20 mA 0 to 20 mA [8]
Output Voltage >±10 V >±10 V [9]
Output Impedance <1 Ohm <1 Ohm
Broadband Electrical Noise (1 Hz to 10 kHz) 9 µV -101 dB [6] [11]
Broadband Electrical Noise (2 to 22.4 kHz) <3 µV <-110 dB [6] [11]
Spectral Noise (1 Hz) 1 µV/√Hz -120 dB [11]
Spectral Noise (10 Hz) 0.22 µV/√Hz -133 dB [11]
Spectral Noise (100 Hz) 0.08 µV/√Hz -142 dB [11]
Spectral Noise (1 kHz) 0.08 µV/√Hz -142 dB [11]
Spectral Noise (10 kHz) 0.07 µV/√Hz -143 dB [11]
Broadband Electrical Noise (1 Hz to 10 kHz) 9 µV -101 dB [5] [7]
Broadband Electrical Noise (2 Hz to 22.4 kHz) <5 fC <5 fC [5] [7]
Spectral Noise (1 kHz) 0.8 µV/√Hz -122 dB [5]
Spectral Noise (10 kHz) 0.20 µV/√Hz -134 dB [5]
Spectral Noise (100 kHz) 0.08 µV/√Hz -142 dB [5]
Spectral Noise (1 kHz) 0.08 µV/√Hz -142 dB [5]
Spectral Noise (10 kHz) 0.07 µV/√Hz -143 dB [5]
Oscillator (pC RMS) 100±1% 100±1%
Oscillator (V RMS) 1±1% 1±1%
Oscillator (Hz) 159.2±1% 159.2±1%
Overload Threshold 10 V to ± 1 V 10 V to ± 1 V
Physical
Size - Height 5.05 x 3.6 in 128 x 92 mm [14]
Weight 1.45 lb 0.66 kg

* All specifications are at room temperature unless otherwise specified.

Accessories
Supplied
070A02 Scope input adaptor (10-32 jack to BNC plug) 1
EE-79 1