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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.
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.
When you receive this sensor, fill the cap with buffer solution and ensure that it has no leaks.
This probe connects to the BNC connector on our pH interface boards. See the Connection & Compatibility tab for a complete list of options.
This pH electrode creates a voltage differential that can be read by one of our pH/ORP interfaces:
|Electrode Type||Combination Single-Junction (pH)|
|pH Measurement Range||0 to 14|
|Electrode Response Time Max||10 s|
|Operating Temperature Min||0 °C|
|Operating Temperature Max||110 °C|
|Exterior Tube Material||PPS Plastic|
|Maximum Pressure||87 psi|
|Rear Thread Type||3/4" Pipe Thread|
|Cable Length||5 m|
|Canadian HS Export Code||9027.89.00|
|American HTS Import Code||9027.89.45.30|
|Country of Origin||CN (China)|
|Product||Electrode Properties||Physical Properties|
|Image||Part Number||Price||Electrode Type||Operating Temperature Max||Exterior Tube Material|
|3550_0||$25.00||Combination Single-Junction (pH)||80 °C||Impact Resistant Plastic|
|3551_0||$100.00||Combination Single-Junction (pH)||110 °C||PPS Plastic|
|3555_0||$70.00||Combination Single-Junction (ORP)||80 °C||Impact Resistant Plastic|
|3556_0||$110.00||Combination Single-Junction (ORP)||110 °C||PPS Plastic|