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Type 2724/2726 DryLoc pH/ORP Electrodes

The Signet 2724-2726 pH and ORP Electrodes features a patented reference electrode design and uses the unique foul-proof patented DryLoc® connector. The large area PE reference junction and pathway is constructed to increase the total reference effectiveness and ensures long service life.

The DryLoc connector with corrosion resistant gold plated contacts readily connects the sensor to the mating 2760 preamplifier or the 2750 sensor electronics. The robust Ryton® threaded sensor body and choice of flat pH, bulb pH, or flat ORP sensing elements provides broad range of chemical compatibility for a wide variety of applications.

There are two optional sensing versions, HF and LC, available. The quick temperature response is available in either a PT1000 or 3 KΩ temperature sensor and allows compatibility with all Signet pH/ORP instruments. The 2724-2726 electrodes are general-purpose sensors ideal for a wide range of applications. The sensors incorporate ¾” NPT or ISO 7-1 R¾ threads for installing into standard pipe-tees. They can also be mounted directly into Signet standard fittings.

  • Wetted Materials: Ryton, UHMW polyethylene, FKM, glass
  • Connection: Durable DryLoc® with gold plated connections
  • Compatible Preamp/Sensor Electronics: 2750 and 2760
  • Compatible Instruments: Use the 2760 preamplifier with the Signet 8750; Use the 2750 sensor electronics with the Signet 8900, 9900 or 9950 instruments
  • Additional Features: HF and LC options available
  • In-line Mounting styles:  Standard 3/4 inch or ISO threaded fittings
  • Submersible mounting: Available using the back of the preamplifier or sensor electronics
  • Applications: Water treatment, water quality monitoring, etc.

Technical Details

Electrode Type
Temperature Compensation
Process Connection
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3-2724-00pHFlatPT1000¾ in. NPT, threadMeasurementsCAD 159001545
3-2724-01pHFlatPT1000ISO 7/1-R 3/4 threadMeasurementsCAD 159001546
3-2724-10pHFlat3K¾ in. NPT, threadMeasurementsCAD 159001547
3-2724-11pHFlat3KISO 7/1-R 3/4 threadMeasurementsCAD 159001548
3-2725-60ORPFlat¾ in. NPT, threadMeasurementsCAD 159001561
3-2725-61ORPFlatISO 7/1-R 3/4 threadMeasurementsCAD 159001562
3-2726-00pHBulbPT1000¾ in. NPT, threadMeasurementsCAD 159001553
3-2726-01pHBulbPT1000ISO 7/1-R 3/4 threadMeasurementsCAD 159001554
3-2726-10pHBulb3K¾ in. NPT, threadMeasurementsCAD 159001555
3-2726-11pHBulb3KISO 7/1-R 3/4 threadMeasurementsCAD 159001556
3-2726-HF-00pHBulb, HF resistPT1000¾ in. NPT, threadMeasurementsCAD 159001549
3-2726-HF-01pHBulb, HF resistPT1000ISO 7/1-R 3/4 threadMeasurementsCAD 159001550
3-2726-HF-10pHBulb, HF resist3K¾ in. NPT, threadMeasurementsCAD 159001551
3-2726-HF-11pHBulb, HF resist3KISO 7/1-R 3/4 threadMeasurementsCAD 159001552
3-2726-LC-00pHBulb, Low ConductivityPT1000¾ in. NPT, threadMeasurementsCAD 159001557
3-2726-LC-01pHBulb, Low ConductivityPT1000ISO 7/1-R 3/4 threadMeasurementsCAD 159001558
3-2726-LC-10pHBulb, Low Conductivity3K¾ in. NPT, threadMeasurementsCAD 159001559
3-2726-LC-11pHBulb, Low Conductivity3KISO 7/1-R 3/4 threadMeasurementsCAD 159001560
3-2724-HF-10pHFlat, HF resistant3K¾ in. NPT, threadMeasurements 159001771
3-2724-HF-11pHFlat, pH resistant3KISO 7/1-R 3/4 threadMeasurements 159001772


  • Gold-plated contacts
  • Large reference volume and solid polymer electrolyte
  • HF option for pH
  • Designed for use with 2750 Sensor
  • Foul-proof connector
  • Self-cleaning flat versions reduce risk of glass breakage

Fields of Application:
  • Toxics Destruction
  • Water and Waste Water Treatment
  • Heavy Metal Removal and Recovery
  • Process Control
  • Effluent Monitoring
  • Neutralization Systems

  • Commercial Pools & Spas
  • Aquatic Animal Life Support Systems
  • Sanitization Systems
  • Scrubber Control

  • Surface Finishing

  • CE
  • RoHS Compliant


GF Signet pH-ORP Monitoring and Control brochure.pdfPDF4.18 MBDownload
Automation Made Easy.pdfPDF5.11 MBDownload

Temperature-Pressure Graphs.pdfPDF1.94 MBDownload
Data Sheet – 2724-2726 Electrodes.pdfPDF1.33 MBDownload

Instruction Manual
Chinese Manual - 2724-2726 Electrodes.pdfPDF2.52 MBDownload
German Manual - 2724-2726 Electrodes.pdfPDF1.85 MBDownload
English Manual - 2724-2726 Electrodes.pdfPDF1.9 MBDownload
Portuguese Manual - 2724-2726 Electrodes.pdfPDF1.86 MBDownload
Korean Manual - 2724-2726 Electrodes.pdfPDF1.81 MBDownload
Italian Manual - 2724-2726 Electrodes.pdfPDF1.85 MBDownload
Spanish Manual - 2724-2726 Electrodes.pdfPDF1.86 MBDownload
2724-2726_Electrodes_Japanese.pdfPDF1.84 MBDownload
French Manual - 2724-2726 Electrodes.pdfPDF1.85 MBDownload

Product Catalog
Installation Fittings and K-Factors.pdfPDF9.15 MBDownload


Georg Fischer Rohrleitungssysteme (Schweiz) AG
Amsler-Laffon-Strasse 9
8201 Schaffhausen

ch dot ps #at# georgfischer dot com
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