SX-01635-000, Rev. 5 27
General Specifications
Temperature Coefficient ± (0.02% of reading + 0.5 counts) per °C
Noise Referred to Input
100 nV RMS/(Hz)
1/2
Input Bias Current 10 pA maximum
Input Impedance 100 Meg Ohm in parallel with 100 pF
Analog Input Single Channel
Input Connector twist-lock-type triaxial
Isolation 500 volts to ground
Common Mode Voltage 10 volts
CMRR 120 dB at DC to 60 Hz
Bandwidth Detector dependent;10 Hz at full bandwidth
Maximum Reading Rate 3 readings per second
Maximum Input ± 70 volts or 10 mA
ADC Resolution 20 bits
Nonlinearity ± 1 count
Calibration No trim pots. All calibrations done digitally and correc-
tion factors stored in the EPROM. Up to 100 calibration
coefficients may be stored in the EPROM
Compatible Detectors Si, Ge, PbS,InGaAs and PMT
Power 100-120/220-240 VAC; 50/60 Hz, 1/0.5 Amp
Operating Environment 0° to 50°C
0% to 70% relative humidity at 35°C
Linearly derates 3% relative humidity per °C from 35°
to 50°C
Dimensions 16.5¨ W x 16¨ D x 5¨ H
Weight 14 lbs. (4.75 kg.)
Sensitivity 0.1 pA/1.0 µV
Resolution 4.5 digits
Computer Interface IEEE-488
RS-232C (Default settings: 8 data bits, 1 stop bit, no
parity, 9600 baud)
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