Calomel Free pH Electrode : Products - pH

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Calomel Free pH and Reference Electrodes

The performance of a calomel electrodes is now available without the hazardous Mercury associated with the design. The "Calomel Free" design features a Ag/AgCl based double junction reference with a unique silver ion trap acting as a third junction to impede any silver ion contact with the sample. Reference output is adjusted to deliver the same output as a Calomel electrode using a silver chloride reference. As with all other Sensorex laboratory pH electrodes, the Calomel-Free pH elecctrodes are supplied with a soaker storage bottle or soaker cap, so they are instantly ready for use. Electrodes are interchangeable with almost every make and model meter on the market today. Select the proper cable connector and style of electrode for your meter.

Combination or Separate Half Cells

The vast majority of pH electrodes purchased today are combination types. A combination electrode features a pH measuring cell and a reference cell in a single body. Separate reference half cells are also available.

Sealed Reference - Protected Bulb

Our plastic body combination pH electrodes feature sealed gel-filled, as well as refillable references. All of these models protect the sensitive measuring bulb, by recessing it within the skirt of the body.

Choose Your Model

Our most popular model, the S200CIT, is 12mm dia x 150mm L size and is virtually unbreakable! Several models are available to meet your length and diameter requirements.

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Product Features

Calomel Free	Environmentally friendly Calomel replacement
Silver Ion Trap	Prevents Contamination of Silver-sensitive sample
Sizes	Range of sizes
Reference	Choice of Sealed or Refillable


Model	Size (L x dia)	Type
S200CIT	150mm x 12mm	Epoxy Body Combination pH Sealed Reference
S201CIT	150mm x 12mm	Epoxy Body Combination pH Refillable Reference
SG200CIT	150mm x 12mm	Glass Body Combination pH Sealed Reference
SG201CIT	150mm x 12mm	Glass Body Combination Refillable Reference
S300CIT	300mm x 9mm	Long Epoxy Body Combination pH Sealed Reference
SG300CIT	300mm x 9mm	Long Glass Body Combination pH Sealed Reference
S900CIT	150mm x 6mm	Semi-Micro Epoxy Body Combination pH Sealed Reference
SG900CIT	150mm x 6mm	Semi-Micro Glass Body Combination pH Sealed Reference
S200RIT	150mm x 12mm	Epoxy Body Sealed Reference Half Cell
SG201RIT	150mm x 12mm	Glass Body Refillable Reference Half Cell

All of our laboratory electrodes are supplied with a 30" cable (76 cm), soaker storage bottle or soaker cap, and a BNC connector at no additional charge. Many other connectors are available, some of them for a modest additional charge. Special cable lengths are readily available at additional charge.

Calomel Free pH and Reference Electrodes