Combination Gastroesophageal pH Electrode

Combination Gastroesophageal pH Electrode

This is a flexible, miniature combination pH/reference electrode for gastroesophageal applications.

  • Includes a flexible 1 meter tube to fit into the esophagus
  • Does not require an external reference electrode

Item# Description U.S. List Price Quantity
69-0495 Combination Gastroesophageal pH Electrode
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pHamp pH Preamplifier

The pHamp is a compact unity gain preamplifier designed to convert the high impedance signal of a pH electrode into a low impedance signal capable of travelling up to 1,000 feet over a coaxial cable.

This rugged preamplifier is encapsulated within an epoxy filled stainless steel enclosure and uses BNC-style input and output connections. Powered from a lithium battery, the expected life is a minimum of 5 years.

Response Time ~10 sec
Slope 55 mV per pH
pH Range1 to 14
Impedance 200 MO
Stability 0.05 pH per day
Electrode (OD) 1.6 mm
Dimensions (L x D) 91.4 cm x 1.6 mm
(3 ft x 0.06 in)
Storage Wet
Electrolyte Replaceable
filename.pdfCombination Gastroesophageal pH Electrode Manual