Products for USB Sensing and Control
3551_0 - PC2121-5M pH Industrial Electrode
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In Stock
Qty: 28

Product Features

This industrial electrode measures the pH of a solution and connects to the 1130 - pH/ORP Adapter.
Product Description

The 3551 is an economical combination electrode ideal for general industrial processes. It is well suited for testing pool water, sea water or underground water. It can also be used at high temperature in strong acid or base environments.

The electrode provides a fast, stable response and is ideal for prolonged pH readings. The sealed, high polymer gel-filled design requires virtually no maintenance as there is no need to refill the reference chamber..

The outer tube is made of strong PPS plastic and is threaded (3/4" NPT pipe thread) for ease of installation.

Product Specifications

Electrode Properties

Electrode TypeCombination Single-Junction
pH Measurement Range0 to 14
Electrode Response Time Max10 s
Operating Temperature Min0 °C
Operating Temperature Max110 °C

Physical Properties

Exterior Tube MaterialPPS Plastic
Maximum Pressure87 psi
Connector TypeBNC
Rear Thread Type3/4" Pipe Thread
Length160 mm
Diameter29.3 mm
Cable Length5 m

The 3551 measures 160 mm (length) x 29 mm (diameter), can withstand temperatures up to 110°C and measures pH levels from 0 to 14.

It comes with a 6 meter cable terminated by a BNC connector and a bottle of pH electrode solution.



The pH electrode connects to the BNC connector on the 1130 - pH/ORP Adapter .

Comes Packaged with

  • A small bottle of buffer solution

When you receive this sensor, fill the cap with buffer solution and ensure that it has no leaks.