New Protected Bulb Probe

Water/wastewater

New Protected Bulb Probe

25 Nov, 2009

Published over 16 years ago. See the latest and most current information on Water/wastewater.

Customers continually complain that they have broken the bulb of their P11 Glass Combination electrode. They ask why Glass probes do not have a bulb protector like Epoxy body probes.

It is true that we do have a Bulb protector, which is listed in our Catalogue under reference – 743-01. Problem is that it is expensive, and costs more than the price of the electrode.

However, Sentek (UK) have come up with a lower cost option. This is a Protected Bulb Probe. It is essentially a P11, but the bulb is protected, as can be seen below.

We showed this at Achema, where it was received with great enthusiasm.

Obviously, it is more expensive than a P11, but considerably less expensive than a standard P11 with the 743-01 bulb protector.

For customer seeking this type of probe, we now have the answer.

IET 36.2 Mar/Apr 2026

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