pH and ORP Sensors

pH Sensors
Model	Disposable or Rebuildable	Mounting	Body Material	Integral Preamp Available	Key Features
DolpHin Series pH10 and ORP10	Disposable	Threaded insertion, immersion, retractable	PVDF	Yes	High performance, especially in high temperature and temperature cycling applications
871A	Disposable	Threaded insertion, immersion, retractable	PVDF	Yes	Totally flat sensing surface
871pH	Rebuildable	Twist-lock insertion, immersion, retractable	Ryton or CPVC	Yes	Small, inexpensive plug-in electrodes
EP460	Disposable	Threaded insertion, immersion, retractable	PVDF	Yes	Triple junction reference with self-pressurizing electrolyte
EP462	Disposable	Twist-lock insertion	PVDF	No	Stable measurements in high purity water
EP466	Disposable	Retractable	PVDF	No	Adjustable insertion depth

pH Analyzers and Transmitters

Model	Power Requirements	Relays	Outputs	Digital Communications	Sensor Diagnostics
875PH	24, 100, 120, 220, 240 VAC	Two	Dual 4-20 mA	RS-232	Complete
873PH	24, 100, 120, 220, 240 VAC	Two	Dual 4-20 mA, 0-10 V, or 0-20 mA	No	Partial
873DPX (dual sensor input)	24, 100, 120, 220, 240 VAC	Two	Dual 4-20 mA, 0-10 V, or 0-20 mA	No	Partial
873APH	24, 100, 120, 220, 240 VAC	Two	Single 4-20 mA, 0-10 V, or 0-20 mA	No	Partial
870ITPH	12.5 to 42 V dc, loop powered	None	Single 4-20 mA	FoxCom	Complete