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Metrohm Autolab Technical Specifications

You are here:   Metrohm USA   >>   Products   >>   Electrochemistry   >>   Metrohm Autolab Potentiostat/Galvanostats

 

  µAutolabIII PGSTAT101 PGSTAT128N
Modular no no yes
Maximum output current ± 80 mA ± 100 mA ±250 mA
Maximum compliance voltage ± 12 V ± 10 V ± 12 V
Potentiostat yes yes yes
Galvanostat yes yes yes
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 resolution 150 µV 150 µV 150 µV
Measured potential resolution 3 hV
(gain 100)		 3 hV
(gain 100)		 0.3 hV
(gain 1000)
Maximum scan rates 200 V/s 200 V/s 250 V/s
Current ranges 10 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 resolution 0.03% of
current range		 0.03% of
current range		 0.03% of
current range
Measured current resolution 0.0003% of
current range		 0.0003% of
current range		 0.0003% of
current range
- at 10 nA range 30 fA 30 fA 30 fA
Potentiostat bandwidth at 1 kOhm, 1 mA 500 kHz > 1 MHz 500 kHz
Potentiostat rise/falltime (1 V step, 10–90%) 1 µs <250 ns <500 ns
Potentiostat modes high speed / high stability high speed / high stability high 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-compensation n.a. current interrupt and positive feedback  current interrupt and positive feedback 
iR-resolution n.a. 0.025% 0.025%
Electrode connections 2 or 3 2, 3, or 4 2, 3, or 4
Front panel display n.a. n.a. potential, current
Analog outputs (BNC) potential, current potential, current potential, current
External voltage input n.a. n.a. yes
Analog integrator yes yes optional FI20 module
- time constants 0.01, 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
Interfacing USB USB USB
A/D converter 16-bit with  gains of 1, 10 and 100 16-bit with  gains of 1, 10 and 100 16-bit with  gains of 1, 10 and 100
external input signals 1 1 2
D/A converter 16-bit, 3 channels 16-bit, 3 channels 16-bit, 4 channels
Digital I/O lines 48 12 48
Dimensions
(w x d x h)		 27 x 27 x
9 cm3		 9 x 21 x
15 cm3		 52 x 42 x
16 cm3
Weight 3.6 kg 2.1 kg 16 kg
Power requirements 144 w 85 w 180 w

 

  PGSTAT302N  PGSTAT100
Modular yes yes
Maximum output current ± 2 A ± 250 mA
Maximum compliance voltage ± 30 V ± 100 V
Potentiostat yes yes
Galvanostat yes yes
Applied Potential range ± 10 V ± 10 V
Applied potential accuracy ± 0.2% 
± 2 mV		 ± 0.2% 
± 2 mV
Applied potential resolution 150 µV 150 µV
Measured potential resolution 0.3 hV
(gain 1000)		 0.3 hV
(gain 1000)
Maximum scan rates 250 V/s 250 V/s
Current ranges 10 nA to
1 A in
9 ranges		 10 nA to
100 mA in
8 ranges
Current accuracy ± 0.2% ± 0.2%
of current
range		 ± 0.2% ± 0.2%
of current
range
Applied current resolution 0.03% of
current range		 0.03% of
current range
Measured current resolution 0.0003% of
current range		 0.0003% of
current range
- at 10 nA range 30 fA 30 fA
Potentiostat bandwidth at 1 kOhm, 1 mA > 1 MHz > 500 kHz
Potentiostat rise/falltime (1 V step, 10–90%) < 250 ns <500 ns
Potentiostat modes high speed / high stability high speed / high stability
Input impedance of electrometer > 1 TOhm
// 8 pF		 > 100 GOhm
// 8 pF
Input bias current @ 25°C < 1 pA < 1 pA
Bandwidth of electrometer > 4 MHz > 4 MHz
iR-compensation current interrupt, positive feedback and dynamic ohmic drop  current interrupt and positive feedback 
iR-resolution 0.025% 0.025%
Electrode connections 2, 3, or 4 2, 3, or 4
Front panel display potential, current potential, current
Analog outputs (BNC) potential, current potential, current
External voltage input yes yes
Analog integrator optional FI20 module optional FI20 module
- time constants 0.01, 0.1, 1
and 10 s		 0.01, 0.1, 1
and 10 s
Booster (10 or 20 A) yes 10 A only
Interfacing USB USB
A/D converter 16-bit with  gains of 1, 10 and 100 16-bit with  gains of 1, 10 and 100
external input signals 2 2
D/A converter 16-bit, 4 channels 16-bit, 4 channels
Digital I/O lines 48 48
Dimensions
(w x d x h)		 52 x 42 x
16 cm3		 52 x 42 x
17 cm3
Weight 18 kg 21 kg
Power requirements 300 w 247 w