Description The Bluelab® In-line pH Probe can screw directly into female 1″ NPT pipe fittings using the included adapter. Threaded probe head allows for simple installation direct into an irrigation line for effective in-line measurements. The high pressure rates pH probe has a pressure rating of 7 bar pressure or 100 psi. • Liquid flow naturally cleans the flat pH measurement surface • High pressure probe • Faster reading response • 3/4” NPT thread fits in-line mounting, use with 1” adapter • Gel filled (non-refillable), double junction reference
