Whistonbrook Technologies Limited

Analogue Potentiostat

Features

• low noise analogue potentiostat

• powered by rechargeable batteries

• 4 gains, which are manually selectable.

• two analogue inputs

• a +/- 5V analogue output with current ranges from 1mA/V to 1μA/V

• internal applied potential control with a 10 turn potentometer

• lcd display for current or voltage

• option to include two further lower gains

Options

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• NEW FEATURE three electrode or four electrode (with sense)

• two extra low current gains 100nA V-/1 and 10nA V/1

• low power for longer battery life

• high speed response

• NEW FEATURE screened D-type electrode connector with flexible cable.

• BNC sockets for screened electrode inputs

• 4mm sockets for electrode inputs

Specifications

• Applied Potential Inputs

  • ac input (bnc socket ) +/- 5V 10K ohm input impedance

  • dc input (bnc socket ) +/- 5V  10K ohm input impedance

• NEW FEATURE Internal applied potential

  • switch for  int/ext potential

  • 10 turn control knob  +/- 1000 mV

• NEW FEATURE LCD Display  

  • switch potential or current

• Cell Connections(4mm sockets)

  • Counter Electrode (Black) Max current output +/- 5mA

  • Reference Electrode (Blue) Input impedance 1Tohm

  • Working Electrode (Red) Max current output +/- 5mA

  • Ground  (Green)

• Cell/Isolate Switch

• Output (measured current)(bnc socket)

  • max 5 mA drive current

• Output Current Gain Ranges (max output 5V)

  • 1mA per volt output

  • 100 μA per volt output

  • 10 μA per volt output

  • 1 μA per volt output 

  • 100nA per volt (optional)

  • 10nA per volt (optional)

• Switchable Output Offset

• NEW FEATURE

  • 10 turn control knob Zero mV +/- 1V

• Bandwidth of Potentiostat at unity gain

  • Measured with 1V input and 1V output

  • 1.4MHz (-3db) 50% power loss (industrial standard measurement)

  • (1.2MHz (0db) 0% power loss

  • Phase Shift for Potentiostat

  •  freq < 500KHz   0 degrees

  • 500KHz < freq < 1.4MHz   0 - 180 degrees

  • variable with frequency, in agreement with Data Sheet for Operational Amplifiers used.

• Output Resolution/Noise of Potentiostat (Not including Noise generated in input/output Leads)    0.1mV 

• Expected resolution at Current Ranges

  • 1mA/V range - 100nA 

  • 100μA/V range - 10nA 

  • 10μA/V range  - 1nA 

  • 1μA/V range  - 100pA 

• 12 NiMH AA batteries

• 2 x 9V battery packs

• Mains charger included

• Low battery indicator LED on when 9V batteries packs are < 5.5V

• Dimensions 220mm(D) X 165mm(W) X 52mm(H)