WPI OMEGA-TIP Z Instruction Manual

Measures fluid-filled micropipette electrode resistance and metal microelectrode tip impedance

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INSTRUCTION MANUAL
Ωmega-Tip-Z
Measures fluid-filled micropipette electrode resis-
tance and metal microelectrode tip impedance
Serial No._____________________
WORLD
PRECISION
INSTRUMENTS
www.wpiinc.com
010720

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  • Page 1 WORLD PRECISION INSTRUMENTS INSTRUCTION MANUAL Ωmega-Tip-Z Measures fluid-filled micropipette electrode resis- tance and metal microelectrode tip impedance Serial No._____________________ www.wpiinc.com 010720...
  • Page 3: Table Of Contents

    Ωmega-Tip-Z CONTENTS ABOUT THIS MANUAL ........................1 INTRODUCTION ..........................1 Parts List ............................1 Unpacking ........................... 2 OPERATION ............................2 Quick Check ..........................2 Resistance Measurement of Fluid-Filled Microelectrodes ..........2 Chloriding the EHBF Silver Wire ..................3 Impedance Measurement of Metal Microelectrodes ............4 Electrolytic “Cleaning”...
  • Page 4 World Precision Instruments...
  • Page 5: About This Manual

    Ωmega-Tip-Z is an excellent adjunct to WPI’s model 1300M microelectrode beveler. Battery operated, Ωmega-Tip-Z’s micro-powered circuitry allows low noise recording for hundreds of hours. Ωmega-Tip-Z can also measure DC electrode tip potential with micropipette electrodes up to 2000 mV.
  • Page 6: Unpacking

    Concealed damage should be reported at once to the carrier and an inspection requested. Please read the section entitled “Claims and Returns” on page 7 of this manual. Please contact WPI Customer Service if any parts are missing at 941.371.1003 or customerservice@wpiinc.com.
  • Page 7: Chloriding The Ehbf Silver Wire

    Ωmega-Tip-Z attached, is advanced with a positioning device (see WPI catalog for some types that are available) into a reference bath containing electrolyte solution (150 mM). A separate silver wire or reference electrode RC1T (supplied) is placed in the bath and connected with a wire to the Reference jack on Ωmega-Tip-Z’s front panel.
  • Page 8: Impedance Measurement Of Metal Microelectrodes

    Most metal microelectrodes’ impedances. Most of the metal microelectrodes sold by WPI fall into the 0.5 to 2 MΩ range. In the Metal Tip mode, the measuring current is 10 nA and the frequency is 500 Hz, providing a range of 20 MΩ.
  • Page 9: Battery Replacement

    Ωmega-Tip-Z Battery Replacement Batteries will rarely require replacement. Replace batteries annually or when the Lo- Batt indicator on the LCD digital meter is displayed. To replace batteries, remove four screws on the bottom of the instrument case. Withdraw the front panel and remove the old battery cells. Install six AA alkaline cells as the polarity markings indicate.
  • Page 10: Declaration Of Conformity

    DECLARATION OF CONFORMITY World Precision Instruments...
  • Page 11: Warranty

    WPI shall not be liable for any damage to data or property that may be caused directly or indirectly by use of this product.
  • Page 12 175 Sarasota Center Blvd., Sarasota FL 34240-9258 Tel: 941-371-1003 • Fax: 941-377-5428 • E-mail: sales@wpiinc.com 1 Hunting Gate, Hitchin, Hertfordshire SG4 0TJ Tel: 44 (0)1462 424700 • Fax: 44 (0)1462 424701 • E-mail: wpiuk@wpi-europe.com Germany Pfingstweide 16, D-61169 Friedberg (Hessen), Germany Tel: +49 (0)6031 67708-0 •...

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