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Dri-Ref Reference ElectrodeFlexible Dri-Ref Reference Electrode

Dri-Ref Reference Electrode

Order # DRIREF-5SH

Dri-Ref Reference Electrode
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  • 4.7 mm diameter (short)
  • Extremely low electrolyte leakage properties
  • Stable and reproducible potential
  • Low resistance



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Low leakage properties

Dri-Ref™ reference electrodes were developed by WPI to have extremely low electrolyte leakage properties, hence the name "Dri-Ref". In addition to this key feature, these electrodes exhibit stable and reproducible potential and low resistance. Stored in KCl when not in use, they have a long life expectancy.

Use with ion selective electrodes

Although the internal filling solution contains KCl, the low fluid leakage means Dri-Ref may be used in combination with ion selective electrodes, including those for K+ and Cl-, without significant contamination from the reference electrode.

Chemically resistant

The Dri-Ref electrodes are chemically resistant to strong acids and alkalines. Dri-Ref electrodes are not suitable for use in organic solvents.

Length 3.5cm
Diameter 4.7mm
Construction Epoxy
Lead Length 30 in. (76cm)
CONNECTOR 2 mm pin
Resistance (typical) ~500Ω
Filling Solution KCl
ELECTROLYTE Leakage (mL/hr) ~7.4x10-7
Notes: Isoplast is a trade mark of Dow Chemical. Teflon is a trade mark of DuPont.
J.S. Erlichman, J.C. Leiter "Identification of CO2 chemorecptors in Helix pomatia" American Zoologist 37. 1997: 54-64
To place an order for this product, please contact the appropriate WPI office or distributor.

Customers from North America can order direct from our corporate office:
World Precision Instruments
175 Sarasota Center Boulevard
Sarasota, FL 34240-9258
  • Phone or Fax
    Toll-free: 866-606-1974 Tel: 941-371-1003 Fax: 941-377-5428
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  • Online Store
    Many of our products are available for purchase through our online store. At this time we can only accept orders from the U.S. through the online store.
  • Want instant pricing? Order a free catalog here
International customers, please see our office and distributor contact information list.
There are no accessories for this product.
No application notes are available for this product at this time.
Last Updated: Wednesday, 22 May 2013 09:43