Signet 2734-2736 pH/ORP Electrodes

Product Description

Signet 2734-2736 pH/ORP Electrodes provides the perfect range for a great deal of harsh utilizations that conssit of minimal concentrations of chemicals and harmful ions reaction with silver minerals, Ag+. Chemical resistance is ensured through an advanced glass formulation when exposed to adverse environments. Long-life use, improved efficiency, protection against coating are other added features incorporated within these instruments. 


Signet 2734-2726 pH/ORP Electrodes Specifications:

Performance Efficiency >95% @ 25 °C (77 ° F)
Operating Range pH 0 to 14 pH



ORP ±2000 mV
3-2734-HF, 3-2736-HF Hydrofl uoric acid resistant glass, pH 6 or below; trace HF <2%
  2751 pH/ORP Smart Sensor Electronics (for 8900, 9900, 9950 , Profi bus Concentrator, 4 to 20 mA)
Temperature Sensor
  Pt1000 versions Compatible with Signet 2751 pH/ORP Smart Sensor Electronics for connection to a PLC or to the Signet 8900, 9900 or 9950 instruments and 0486 Profi bus Concentrator
Process Connection
  ¾ in. NPT ISO 7/1-R 3/4 Mounts into Signet fittings



  • Enhanced reference chemistry to resist chemical poisoning and prolong the life of the electrodes in harsh environments
  • PTFE reference junction resists fouling and chemical attack
  • Superior pH glass formulation for excellent chemical resistance in acidic and alkaline/caustic environments
  • Ryton® (PPS) body for broad range of chemical compatibility
  • Memory chip enabled for access to a range of unique features when connected to the Signet 2751 pH/ORP Smart Sensor Electronics
  • Patented reference design for exceptional performance
  • Patented DryLoc® connector with gold plated contacts
  • Mounts in Signet standard fittings from DN15 to DN100 (½ to 4 in.) or standard pipe fitting, 3/4" NPT or ISO 7/1-R 3/4
  • Special design allows for installation at any angle, even inverted or horizontal
  • Quick temperature response
  • Bulb and flat HF resistant glass available for trace HF, in less than 2% concentration applications


  • Wastewater Treatment
  • Reverse Osmosis
  • Deionization
  • Chemical Manufacturing/Addition
  • Metal and Plastic Finishing
  • Fume Scrubbers
  • Cooling Towers
  • Media Filtration
  • Chemical Dosing/Injection
  • Aquatic Life Support
  • Pools & Fountains
  • Rinse Tanks
  • Chemical Neutralization 



Signet 2734-2736 pH/ORP Electrodes Data Sheet


(1 review) Write a Review
  • 5
    High quality product

    Posted by Jack B. on Jan 29th 2020

    I am very impressed with the performance

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