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Kelvin Control 07
Features and Specifications
Amplifier
- Sensitivity: < 0.1mV
- Current sensitive preamplifier
- Low noise phase sensitive detector (Lock in amplifier)
- Variable gain
- Tuneable band pass filter
- Overload indicator
- Signal monitor output
- Automatic signal- phase correction
- No frequency and phase tuning required
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Signal processing
- Automatic or manual compensation of CPD signal
- Calibrated CPD output
- Continuous recording of work function changes
- Resolution < 1mV
- Dynamic range 10 V
- Variable time constant
- Null indicator
- Precision offset potential adjustment
- Compensation, simulation and calibration of
work function changes
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Oscillator
- Self maintaining oscillator circuit
- Automatic lock to resonance frequency of Kelvin
Probe
- No frequency and phase tuning required
- Variable oscillation amplitude from 0.1 to 2 mm
- Constant signal- phase relation
- Piezoelectric fine adjustment at the Distance between sample and
reference electrode in the range of ± 0,2 mm
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