Easy user-replaceable sensor allows for quick sensor replacements, if needed. No tools necessary.

One-year sensor warranty.

Measure pH quickly and easily with the 5564A sensor. Ideal for high static situations, very cold waters, long cable lengths or long field studies where the connector may be subject to moisture.

Used With: 556 - Note: Item is heat packed in the winter months. Shipment must be made via 2-day or next day carrier during that time.