
The Gamry Reference 3000 is a potentiostat, galvanostat and zero resistance ammeter (ZRA) for electrochemical measurement in the laboratory. It supports 2, 3 or 4 cell connections and is floating, meaning it is isolated from earth.
Maximum current is ±3 A in Hi Current mode and ±1.5 A in Hi Voltage mode, spread across 11 current ranges, or 13 with internal gain applied. Maximum applied potential is ±11 V, and ±32 V in Stack Mode. Electrochemical impedance spectroscopy covers 10 µHz to 1 MHz.
Gamry's own note on the specification sheet is worth repeating: Gamry potentiostats are specified conservatively, and actual performance may be significantly better than the published specifications indicate. Values listed as typical are representative rather than guaranteed.
Gamry Reference 3000 Potentiostat / Galvanostat / ZRA
A potentiostat, galvanostat and zero resistance ammeter for the electrochemistry laboratory, with 2, 3 or 4 cell connections and floating operation. Maximum current is ±3 A in Hi Current mode across 11 current ranges, and EIS runs from 10 µHz to 1 MHz.
Configuration
- Potentiostat
- Yes
- Galvanostat
- Yes
- Zero Resistance Ammeter
- Yes
- Cell Connections
- 2, 3, or 4
- Floating (isolated from earth)
- Yes
System
- Max. Current
- Hi Current ±3 A; Hi Voltage ±1.5 A
- Current Ranges
- 11
- Current Ranges (with internal gain applied)
- 13
- Max. Applied Potential
- ±11 V; Stack Mode: ±32 V
- Rise Time
- <400 ns
- Noise and Ripple
- <2 µV rms
- Min. Time Base
- 3.333 µs
- Analog/Digital Converter
- 16 bit
- Max. Data Points Per Experiment
- 262,143
EIS measurement
- Frequency Range
- 10 µHz to 1 MHz
- Max AC Amplitude
- 2110 mV rms
- Min AC Amplitude
- 4.03 µV rms
Control amp
- Compliance Voltage
- Hi Current ±15 V; Hi Voltage ±32 V
- Speed Settings
- 5
- Unity Gain Bandwidth (typical)
- 980, 260, 40, 4, 0.4 kHz
Electrometer
- Input Impedance
- >10^14 Ω
- Input Current
- <10 pA
- Bandwidth (-3dB) (typical)
- >10 MHz
- Common Mode Rejection Ratio
- >80 dB (3 Hz); >60 dB (1 MHz)
Applied potential
- Accuracy
- ±1 mV ±0.2 % of setting
- Drift
- <20 µV/°C
- Potential Scan Range
- ±0.4 V, ±1.6 V, ±6.4 V
Measured potential
- Accuracy
- ±1 mV ±0.3% of reading
- Full-Scale Ranges
- 32 V, 12 V, 3 V, 300 mV, 30 mV
Applied current
- Accuracy
- ±10 pA ±0.3 % of range
- Resolution
- 0.0033% full-scale/bit
Measured current
- Accuracy
- ±10 pA ±0.3% of range
- Resolution
- 0.0033% full-scale/bit
iR compensation
- Minimum interrupt time
- 33 µs
- Maximum interrupt time
- 715 s
Auxiliary input and output
- Auxiliary A/D Input, Range
- ±3 V
- Auxiliary A/D Input, Input Impedance
- >100 kΩ or >10 GΩ
- Auxiliary D/A Output, Range
- 0-4 V
- Auxiliary D/A Output, Resolution
- 1 mV
Physical
- Weight
- 6 kg
- Dimensions
- 20 (W) x 23 (H) x 30 (D) cm
Specifications
Configuration
- Potentiostat
- Yes
- Galvanostat
- Yes
- Zero Resistance Ammeter
- Yes
- Cell Connections
- 2, 3, or 4
- Floating (isolated from earth)
- Yes
System
- Max. Current
- Hi Current ±3 A; Hi Voltage ±1.5 A
- Current Ranges
- 11
- Current Ranges (with internal gain applied)
- 13
- Max. Applied Potential
- ±11 V; Stack Mode: ±32 V
- Rise Time
- <400 ns
- Noise and Ripple
- <2 µV rms
- Min. Time Base
- 3.333 µs
- Analog/Digital Converter
- 16 bit
- Max. Data Points Per Experiment
- 262,143
EIS measurement
- Frequency Range
- 10 µHz to 1 MHz
- Max AC Amplitude
- 2110 mV rms
- Min AC Amplitude
- 4.03 µV rms
Control amp
- Compliance Voltage
- Hi Current ±15 V; Hi Voltage ±32 V
- Speed Settings
- 5
- Unity Gain Bandwidth (typical)
- 980, 260, 40, 4, 0.4 kHz
Electrometer
- Input Impedance
- >10^14 Ω
- Input Current
- <10 pA
- Bandwidth (-3dB) (typical)
- >10 MHz
- Common Mode Rejection Ratio
- >80 dB (3 Hz); >60 dB (1 MHz)
Applied potential
- Accuracy
- ±1 mV ±0.2 % of setting
- Drift
- <20 µV/°C
- Potential Scan Range
- ±0.4 V, ±1.6 V, ±6.4 V
Measured potential
- Accuracy
- ±1 mV ±0.3% of reading
- Full-Scale Ranges
- 32 V, 12 V, 3 V, 300 mV, 30 mV
Applied current
- Accuracy
- ±10 pA ±0.3 % of range
- Resolution
- 0.0033% full-scale/bit
Measured current
- Accuracy
- ±10 pA ±0.3% of range
- Resolution
- 0.0033% full-scale/bit
iR compensation
- Minimum interrupt time
- 33 µs
- Maximum interrupt time
- 715 s
Auxiliary input and output
- Auxiliary A/D Input, Range
- ±3 V
- Auxiliary A/D Input, Input Impedance
- >100 kΩ or >10 GΩ
- Auxiliary D/A Output, Range
- 0-4 V
- Auxiliary D/A Output, Resolution
- 1 mV
Physical
- Weight
- 6 kg
- Dimensions
- 20 (W) x 23 (H) x 30 (D) cm
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