PCB Piezotronics 482A22, ICP Signal Conditioner, 2 Piece LotCondition:* Used, Unable To Test. Sold As-Is. Additional Notes:* Channels: 4* Voltage Gain( 1 %): 1:1* Low Frequency Response(-5 %): <0.1 Hz* High Frequency Response(-5 %): >1000 kHz* Fault/Bias Monitor/Meter: 26 V FS* Temperature Range: 32F to 120F* Power Required (Standard): DC power* Excitation Voltage (To Sensor): 25 to 27 Volt DC* DC Offset(Maximum): <20 mV* DC Power: +32 to 38 Volt DC * DC Power: 0.12 Amps * Constant Current Excitation(To Sensor): 2 to 20 mA* Discharge Time Constant (0 to +50%): 10 Sec * Spectral Noise(1 Hz): 1.11 V/Hz (-119 dB) * Spectral Noise(10 Hz): 0.14 V/Hz (-138 dB)* Spectral Noise(100 Hz): 0.07 V/Hz (-144 dB)* Spectral Noise(1 kHz): 0.04 V/Hz (-149 dB)* Spectral Noise(10 kHz): 0.03 V/Hz (-150 dB)* Broadband Electrical Noise (1 to 10,000 Hz): 3.25 V (-110 dB)* Electrical Connector (Input, Sensor): BNC Jack* Electrical Connector (Output): BNC Jack* Electrical Connector (DC Power Input): DIN Jack* Size: 6.3" x 2.4" x 11" (16cm x 6.1cm x 28cm)PCB 482A22