Sensorex pHASE pH electrodes

Tuesday, 18 October, 2011 | Supplied by: Envirosensors Pty Ltd

Sensorex pHASE pH electrodes have been designed for variable temperature operation process testing and provide fast, accurate and stable pH measurements even with large temperature changes.

The research-grade electrodes are suitable for quality control and R&D use in a wide variety of applications including measurement of dairy products, food/beverages, biological samples and proteins.

The electrodes are available in two designs to best suit user needs: the user-friendly sealed design and the Rapid-Renew refillable design, for dirty samples. The easy-to-use and low-maintenance sealed design is the most economical, featuring large area, porous polyethylene junctions to resist clogging. They are useful for a broad range of applications.

Refillable Rapid-Renew designs are suitable for dirty samples or other samples that cause junction fouling. The push of a spring-loaded knob opens the electrode’s sleeve junction, instantly providing a fresh junction. The Twist-Seal refill hole’s leak-tight O-ring seat can be opened or closed with a quarter turn of the collar, eliminating the need for rubber sleeves and screwed plugs.

pHASE electrodes are offered with either epoxy or glass bodies. Epoxy bodies offer maximum ruggedness and good chemical resistance. To protect the pH bulb from breakage, they are supplied with removable bulb guards, which can quickly be removed for cleaning.

Breakage-resistant flat surface designs also have epoxy bodies without the need for bulb guards. They are designed to make good contact with viscous materials and are recommended for use with slurries. All pHASE electrodes are combination types with built-in double junction references which prevent the electrode’s silver ions from contacting product samples.

Fast-response pHASE electrodes are stable to 0.01 pH within 30 s when exposed to a temperature change of 35-75°C. They are accurate to 0.04 pH at a temperature range of 0-100°C. Highly stable, pHASE electrodes offer 0.005 pH or less drift per 24 h.

Phone: 02 9904 3316
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