Product information "Atlas Scientific Industrial pH/ORP/Temp Probe"
The Atlas Scientific Industrial pH/ORP/Temp probe is built to last. It has all the sensing capabilities of our lab-grade probes in a virtually indestructible housing. This probe features a flat bulb for pH and a gold disk for ORP. The built-in PT-1000 temperature sensor and the 3/4″ NPT threaded body reduces the need for excess parts and makes it easy to install in a pipe, perfect for chemical production or swimming pool monitoring.