eDAQ Picostat, User Manual

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102 eDAQ Potentiostats
Current Measurement and Control
Maximum current signal: 10 V
Low pass filters: 10 000, 1000, 100, 10 Hz
3rd order Bessel
e-corder filter settings: 10 kHz to 1 Hz in 10:5:2 steps
Gain accuracy: 0.2% at ranges 1 mA or smaller
1% at ranges 10 mA or larger
Drift with temperature: ±0.3 mV/˚C
Control Loop
Voltage offset error: ±1 mV
Voltage gain error: 0.1%
Bandwidth (unity loop gain): 16 kHz (@ –90° lag)
160 Hz (high stability mode, @ –90° lag)
Ramp follower error: ±1 mV @ 100 V/s
±1 mV @ 1 V/s (high stability mode)
Current Range Setting Potentiostat gain (µA/V)
±100, 50, 20 mA 10 000
±10, 5, 2 mA 1 000
±1 mA, 500, 200 µA 100
±100, 50, 20 µA 10
±10, 5, 2 µA 1
±1 µA, 500, 200 nA 0.1
±100, 50, 20 nA 0.01