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Solartron Analytical is part of AMETEK Advanced Measurement Technology
Analytical
Electrochemistry, corrosion, and energy overview
Data Sheet (pdf)
Specifications
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Model 1285 Potentiostat/Galvanostat

Model 1285 Potentiostat

The model 1285 combines Solartron Analytical measurement hardware with highly respected CorrWare for Windows™software. In conjunction with a standard PC, a complete spectrum of DC measurement techniques can be applied with unprecedented ease:

  • open circuit
  • potentiostatic
  • galvanostatic
  • potentiodynamic
  • galvanodynamic
  • cyclic voltammetry
  • potential square-wave
  • potential scan/hold
  • potential stair-step
  • galvanic square-wave
  • galvanic cycle
  • electrochemical noise

Complex experiments can be set up, stored and repeated at the click of a mouse. Using the scanner facility, multiple sequences can be repeated indefinitely without further intervention. Data can be analyzed in a wide variety of display formats, and you can even calculate corrosion rates using automatic Tafel curve fit routines.

Simultaneous current and voltage measurement
Solartron’s patented pulse width conversion technique gives the 1285’s voltmeters unequalled accuracy, stability and linearity right across the range - perfect for work with low conductivity electrolytes, for example. In addition, unlike many potentiostats, the 1285 has two “5x9” digital voltmeters enabling true simultaneous current and voltage measurements to be made - essential for measuring electrochemical noise.

Floating 2, 3 or 4 terminal measurements
Use 2 terminals for general electrochemistry, 3 for corrosion investigation, or all 4 for measuring single battery cells or ion transport across membranes. Whatever your application, for total floating flexibility - working on buried structures, pipelines, storage tanks or autoclaves, say - there’s only one answer: the 1285.

Unrivalled resolution
With resolution down to 1µV for the reference electrode and 1pA for the working electrode, the Solartron 1285 outperforms all other potentiostats. It has to be the favorite for low signal applications such as coatings and inhibitors, and with ±14.5V polarization voltage and ±2A polarization current for the counter electrode, the 1285 is first choice for batteries and fuel cells.

If you require the ability to perform AC measurements using an FRA, then please consider our model 1287A Potentiostat/Galvanostat instead. This offers all the capabilities of the 1285 but with additional support for AC techniques.

Specifications

Measurement Configurations
Cell connections 2-, 3- or 4-terminal, all floating
Common Mode Voltage, LO to EARTH (Ground) 10 V
Working Electrode
Current measurement resistor (Rs) range: 0.1 Ω to 1 MΩ
Full scale current ranges 2 A to 200 nA
Max resolution 1 pA
Limit of error: 0.1%rdg ±0.0025% of f.s.
Counter Electrode
Output voltage >±20 V w.r.t. LO
Output current  2 A, subject to thermal protection limits:
Slew rate >10 V/µs ( potentiostatic control)
Reference Electrodes
Full scale voltage range ±14.5 V, 2 V, 200 mV
Input impedance: >10 GΩ
Input capacitance: 50 pF
Input current:  <1 nA
Limit of error: 0.05% rdg ± 0.0025% f.s.
Rejection: f<10 kHz: 75 dB, f<1 MHz: 40 dB
DC Polarization Voltage
Range ±14.5 V
Limits of error:  V<3.2 V: 0.2%±200 µV
V>3.2 V: 0.2%±2 mV
Max. resolution: 100 µV
Current range: ±2 A
Limit of error:  0.2% ±0.1% of range
Max. resolution: 100 pA
DC Sweep Capability - Analog Ramp
Ramp rate (voltage) 6 mV/min to 6000 V/min
Segment duration: 10 ms to 105 s
DC Sweep Capability - Stepped Ramp
Step height: 5 µV/5 pA to 29 V/4 A
Step duration:  10 ms to 105 s
Interfaces
RS232 & GPIB (IEEE-488) For instrument control 
Power Requirements
Voltage 90 to 110V, 108 to 132V, 198 to 242V, 216 to 264VAC
Frequency 48 to 65 Hz
Power <  150 VA 
Dimensions
Width 432 mm (17")
Depth 472  mm (18.5 ")
Height 108 mm (4.25")
Weight 11 kg (24 lbs)
Operating Temperature Range 0 to 50şC (32 to 122şF)

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Solartron Analytical is part of Advanced Measurement Technology, Inc, a division of AMETEK, Inc.

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