Metrohm Autolab Potentiostats/Galvanostats (Model PGSTAT128N)


Specifications
 
​AUTOLAB µAutolabIIIPGSTAT101PGSTAT128N
Modularnonoyes
Maximum output current± 80 mA± 100 mA±250 mA
Maximum compliance voltage± 12 V± 10 V± 12 V
Potentiostatyesyesyes
Galvanostatyesyesyes
Applied Potential range± 5 V± 10 V± 10 V
Applied potential accuracy± 0.2%  
± 2 mV		± 0.2%  
± 2 mV		± 0.2% 
± 2 mV
Applied potential resolution150 µV150 µV150 µV
Measured potential resolution3 hV 
(gain 100)		3 hV 
(gain 100)		0.3 hV 
(gain 1000)
Maximum scan rates200 V/s200 V/s250 V/s
Current ranges10 nA to 
10 mA in 
7 ranges		10 nA to 
10 mA in 
7 ranges		10 nA to 
1 A in
9 ranges
Current accuracy± 0.2% ± 0.2% 
of current
range		± 0.2% ± 0.2% 
of current
range		± 0.2% ± 0.2% 
of current
range
Applied current resolution0.03% of 
current range		0.03% of
current range		0.03% of
current range
Measured current resolution0.0003% of
current range		0.0003% of
current range		0.0003% of
current range
- at 10 nA range30 fA30 fA30 fA
Potentiostat bandwidth at 1 kOhm, 1 mA500 kHz> 1 MHz500 kHz
Potentiostat rise/falltime (1 V step, 10–90%)1 µs<250 ns<500 ns
Potentiostat modeshigh speed / high stabilityhigh speed / high stabilityhigh speed / high stability
Input impedance of electrometer> 100 GOhm 
// 8 pF		> 100 GOhm 
// 8 pF		> 1 TOhm
// 8 pF
Input bias current @ 25°C< 1 pA< 1 pA< 1 pA
Bandwidth of electrometer> 4 MHz> 4 MHz> 4 MHz
iR-compensationn.a.current interrupt and positive feedback current interrupt and positive feedback 
iR-resolutionn.a.0.025%0.025%
Electrode connections2 or 32, 3, or 42, 3, or 4
Front panel displayn.a.n.a.potential, current
Analog outputs (BNC)potential, currentpotential, currentpotential, current
External voltage inputn.a.n.a.yes
Analog integratoryesyesoptional FI20 module
- time constants0.01, 0.1, 1 
and 10 s		0.01, 0.1, 1
and 10 s		0.01, 0.1, 1
and 10 s
Booster (10 or 20 A)n.a.n.a.10 A only
InterfacingUSBUSBUSB
A/D converter16-bit with  gains of 1, 10 and 10016-bit with  gains of 1, 10 and 10016-bit with  gains of 1, 10 and 100
external input signals112
D/A converter16-bit, 3 channels16-bit, 3 channels16-bit, 4 channels
Digital I/O lines481248
Dimensions
(w x d x h)		27 x 27 x 
9 cm3		9 x 21 x 
15 cm3		52 x 42 x 
16 cm3
Weight3.6 kg2.1 kg16 kg
Power requirements144 w85 w180 w