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SR552 Preamplifier Specifications Summary
IInput Impedance 100 KΩ + 25 pF
Inputs Single ended or differential (switch selectable)
Maximum Inputs 70 mV rms for overload
Damage threshold: 20 Vac, 50 Vdc
Noise 1.4 nV/√Hz at 1000 Hz
1.6 nV/√Hz at 100 Hz
2.5 nV/√Hz at 10 Hz
(all figures are Typical)
Common Mode Range: 1 Volt peak
Rejection: 100 dB at 100 Hz
Gain 10,20,50,100
SR510/530 Automatically set by SR510 or SR530 Lock-In depending on
sensitivity and dynamic reserve. Sensitivity ranges from 10 nV to 200
mV full scale (with expand off).
Note: Lock-in readings must be divided by 10.
DSP Lock-Ins Gain is set to 100. Divide lock-in recordings by 100 for correct
amplitude.
Gain Accuracy 2% (2 Hz to 100 kHz)
Gain Stability 200 ppm/°C
Outputs (A) single ended (600Ω impedance)
(B) shielded ground
Maximum Output 10 Volts peak
Power Supplied by SRS Lock-In via control cable.
Mechanical Size 1.3" X 3.0" X 5.1"
Weight 1 lb.
Warranty One year parts and labor on materials and workmanship.