pH & Redox/ORP Sensing Systems

Flowing junction technology is used specifically for pure waters, whereas solid-polymer and solid-matrix sensors are used in aggressive process streams. High temperature measuring electrode are available for applications up to 140°C; while flat glass promotes self-cleaning efficiency in highly fouling media.

Comprehensive mounting methods are available to suit the majority of process applications: insertion, flow-through, immersion, submersion and retractable. For additional information refer to ourpH Sensors brochure.

• 12mm Combination Electrodes

• Sensing Systems

12mm Combination Electrodes
	AP121	1710	1711	1717	1718
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Sensor Type	pH/Redox	pH	Redox	pH	pH
Shaft Length	120mm (4.7 in.)	120mm (4.7 in.)	120mm (4.7 in.)	120mm (4.7 in.)	65mm (2.6 in.)
Junction	PTFE	Wick	Wick	PTFE	PTFE
Glass Type	Bulb	Bulb	N/A	Flat	Flat
Maximum Temperature	130°C (266 °F)	100°C (212 °F)	100°C (212 °F)	100°C (212 °F)	100°C (212 °F)
Temperature Sensor	Pt100	-	-	-	-

Sensing Systems (1 of 4)
	2867	7600
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Body Type	Immersion	- Immersion - Flow-Through
Temperature Sensor	--	Pt100
Junction	Ceramic	PTFE
Reference Type	Flowing Junction	Flowing Junction
Body Material	ABS	PP
Process Connection	Dip Flange	- ½, 1 and 3/8 inch Thread - Dip Clamp
Maximum Temperature	70°C (158 °F)	100°C (212 °F)
Maximum Pressure	--	6 bar (87 psi)

Sensing Systems (2 of 4)
	AP100	AP200	AP300
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Body Type	- Immersion - Flow-through - Screw-in Insertion - Bayonet Insertion	- Immersion - Flow-through - Screw-in Insertion	- Immersion - Bayonet Insertion - Screw-in Insertion - Hot-tap Retractable
Temperature Sensor	Pt100	Pt100	Pt100/B3k
Glass Type	Bulb	Bulb	Bulb/Flat*
Junction	PTFE	PTFE	PTFE
Reference Type	Slurry	Solid Polymer	Gel
Body Material	PP	PP, PPS and 316SS	PPS, PVDF and 316SS
Process Connection	- Bayonet - ½, 3/8 or 1 inch - Dip tube	- 1 or 1¼ inch Thread - DN25 Socket - Dip Flange	- ¾ or 1 inch Thread - Via ball valve 1¼ inch
Maximum Temperature	100°C (212°F)	130°C (266 °F)	105°C (221 °F)
Maximum Pressure	6.9 Bar (100 psi)	6 Bar (87 psi)	6 Bar (87 psi)
			* Self-cleaning

Sensing Systems (3 of 4)
	TB(X)551	TB(X)556	TB(X)557
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Body Type	- Immersion - Quick Insertion	- Immersion - Screw-in Insertion	- Standard Pressure Retractable
Junction	PTFE or Wood	PTFE or Wood	PTFE or Wood
Glass Type	Bulb / Flat	Bulb / Flat	Bulb / Flat
Reference Type	Encapsulated Salt Matrix	Encapsulated Salt Matrix	Encapsulated Salt Matrix
Body Material	PPS	PVDF	- PVDF - 316 SS - Titanium
Process Connection	1 in. NPT	¾ in. NPT	Via ball valve (1¼ or 1½ in. NPT)
Maximum Temperature	140°C (284 °F)	140°C (284 °F)	140°C (284 °F)
Maximum Pressure	6.9 bar (100 psi)	6.9 bar (100 psi)	6.9 bar (100 psi)

Sensing Systems (4 of 4)
	TB(X)561	TB(X)564	TB(X)567
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Body Type	- Insertion - Retractable with TB18	High Pressure Retractable	Screw-in Insertion
Junction	PTFE or Wood	PTFE or Wood	PTFE or Wood
Glass Type	Bulb / Flat	Bulb / Flat	Bulb / Flat
Reference Type	Encapsulated Salt Matrix	Encapsulated Salt Matrix	Encapsulated Salt Matrix
Body Material	PVDF	PVDF, 316 SS	PVDF, 316 SS
Process Connection	25mm	Via ball valve (1¼ in. NPT)	1 in. NPT
Maximum Temperature	140°C (284 °F)	140°C (284 °F)	140°C (284 °F)
Maximum Pressure	6.9 bar (100 psi)	20.7 bar (300 psi)	17.2 bar (250 psi)