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PalmSens3
The PalmSens3 is a battery powered potentiostat, galvanostat and Frequency Response Analyser (FRA) for Electrochemical Impedance Spectroscopy (EIS) with low noise, a large potential range and high current resolution, over 9 current ranges. A complete laboratory instrument but with its rugged design it is ideal for field work.
Specifications
Main specifications for the controlled potential mode (potentiostat):
– dc-potential range | ± 5.000 V |
– compliance voltage | ± 8.0V |
– dc-potential resolution | 0.15 mV |
– max. dc offset error | 2 mV |
– dc accuracy | ≤ 0.2 % |
– current ranges | 100 pA to 10 mA (9 ranges) |
– maximum current | ± 30 mA (typical) |
– current resolution | 0.01% of current range |
– accuracy | ≤ 5 % at 100 pA ≤ 1 % at 1 nA |
≤ 0.5 % at 10 nA and 10 mA
≤ 0.2 % at 100 nA to 1 mA
all with additional 0.2 % offset error– max. acquisition rate200,000 pnts/s
The current is measured using a zero resistance ammeter (ZRA).
Controlled current mode (galvanostat):
– current ranges | 1 uA to 10 mA |
– dc-current range | ± 3.000 times the selected current range |
– dc-current resolution | 0.01 % of selected current range |
– max. dc-offset error | ≤ 0.2 % |
– current accuracy | ≤ 0.4 % |
– max. output voltage | ± 8 V |
Impedance measurements:
– frequency range | 100 µHz to 50 kHz |
– ac-amplitude range | 0.1 mV to 0.3 V (rms) |
General:
– electrometer amplifier input | > 100 Gohm // 4 pF |
– rise time | programmable from min. 0.5 μs |
– external I/O | Analog: 1 input and 1 output channel (0 V – 3 V) |