World Precision Instruments

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Janice Carter, University of Cambridge

The person in WPI I deal with is Julian Williams and he has been very helpful in sorting out any problems we may have and finding items that we require. He is very pleasant to deal with and I have used WPI for the last 8 years and I am very happy with the service that they provide us.
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Heat Treated Tapered tip profile

Heat Treated Tapered tip profile

Our heat-treated electrodes are intended for those investigators who must penetrate their probes through tough membranes, such as the dura mater of larger mammals.

 

 
Tungsten - Tapered Tip - (75 µm X 3") 

 
 
ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE30030.01H33"0.081 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE30030.05H33"0.081 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE30030.1H33"0.081 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE30030.5H33"0.081 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE30031.0H33"0.081 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE30031.5H33"0.081 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE30032.0H33"0.081 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE30032.5H33"0.081 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE30033.0H33"0.081 mm1 µmTapered3.0 megGreater Selectivity - small cells
WE30035.0H33"0.081 mm1 µmTapered5.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - with Polyimide Tubing - (75 µm X 3")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE3PT30.01H33"0.126 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE3PT30.05H33"0.126 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE3PT30.1H33"0.126 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE3PT30.5H33"0.126 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE3PT31.0H33"0.126 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE3PT31.5H33"0.126 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE3PT32.0H33"0.126 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE3PT32.5H33"0.126 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE3PT33.0H33"0.126 mm1 µmTapered3.0 megGreater Selectivity - small cells
WE3PT35.0H33"0.126 mm1 µmTapered5.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - (125 µm X 3")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE30030.01H53"0.127 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE30030.05H53"0.127 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE30030.1H53"0.127 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE30030.5H53"0.127 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE30031.0H53"0.127 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE30031.5H53"0.127 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE30032.0H53"0.127 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE30032.5H53"0.127 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE30033.0H53"0.127 mm1 µmTapered3.0 megGreater Selectivity - small cells
WE30035.0H53"0.127 mm1 µmTapered5.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - with Polyimide Tubing - (125 µm X 3")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE3PT30.01H53"0.216 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE3PT30.05H53"0.216 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE3PT30.1H53"0.216 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE3PT30.5H53"0.216 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE3PT31.0H53"0.216 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE3PT31.5H53"0.216 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE3PT32.0H53"0.216 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE3PT32.5H53"0.216 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE3PT33.0H53"0.216 mm1 µmTapered3.0 megGreater Selectivity - small cells
WE3PT35.0H53"0.216 mm1 µmTapered5.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - (250 µm X 3")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE30030.01H103"0.256 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE30030.05H103"0.256 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE30030.1H103"0.256 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE30030.5H103"0.256 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE30031.0H103"0.256 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE30031.5H103"0.256 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE30032.0H103"0.256 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE30032.5H103"0.256 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE30033.0H103"0.256 mm1 µmTapered3.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - with Polyimide Tubing - (250 µm X 3")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE3PT30.01H103"0.356 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE3PT30.05H103"0.356 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE3PT30.1H103"0.356 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE3PT30.5H103"0.356 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE3PT31.0H103"0.356 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE3PT31.5H103"0.356 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE3PT32.0H103"0.356 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE3PT32.5H103"0.356 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE3PT33.0H103"0.356 mm1 µmTapered3.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - (125 µm X 5")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE50030.01H55"0.127 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE50030.05H55"0.127 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE50030.1H55"0.127 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE50030.5H55"0.127 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE50031.0H55"0.127 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE50031.5H55"0.127 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE50032.0H55"0.127 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE50032.5H55"0.127 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE50033.0H55"0.127 mm1 µmTapered3.0 megGreater Selectivity - small cells
WE50035.0H55"0.127 mm1 µmTapered5.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - with Polyimide Tubing - (125 µm X 5")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE5PT30.01H55"0.216 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE5PT30.05H55"0.216 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE5PT30.1H55"0.216 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE5PT30.5H55"0.216 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE5PT31.0H55"0.216 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE5PT31.5H55"0.216 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE5PT32.0H55"0.216 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE5PT32.5H55"0.216 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE5PT33.0H55"0.216 mm1 µmTapered3.0 megGreater Selectivity - small cells
WE5PT35.0H55"0.216 mm1 µmTapered5.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - (250 µm X 5")

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE50030.01H105"0.256 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE50030.051H105"0.256 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE50030.1H105"0.256 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE50030.5H105"0.256 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE50031.0H105"0.256 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE50031.5H105"0.256 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE50032.0H105"0.256 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE50032.5H105"0.256 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE50033.0H105"0.256 mm1 µmTapered3.0 megGreater Selectivity - small cells

 

Tungsten - Tapered Tip - with Polyimide Tubing - (250 µm X 5") 

ITEMLengthShaft DiameterTip Diameter (µm)Tip ProfileImpedance (m?)Applications
WE5PT30.01H105"0.356 mm1-2 µmTapered0.01 megMultiUnit & ERP recording & Stim
WE5PT30.05H105"0.356 mm1-2 µmTapered0.05 megMultiUnit & ERP recording & Stim
WE5PT30.1H105"0.356 mm1-2 µmTapered0.1 megMultiUnit & ERP recording & Stim
WE5PT30.5H105"0.356 mm1-2 µmTapered0.5 megSingle & MultiUnit recording & Stim
WE5PT31.0H105"0.356 mm1 µmTapered1.0 megSingle & MultiUnit recording & Stim
WE5PT31.5H105"0.356 mm1 µmTapered1.5 megSingle & MultiUnit recording & Stim
WE5PT32.0H105"0.356 mm1 µmTapered2.0 megSingle & MultiUnit recording & Stim
WE5PT32.5H105"0.356 mm1 µmTapered2.5 megGreater Selectivity - small cells
WE5PT33.0H105"0.356 mm1 µmTapered3.0 megGreater Selectivity - small cells
 


Our Clients Include:

GlaxoSmithKline
University College London
Novartis
Imperial College
University of Cambridge
University of Oxford

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