pH & Redox / ORP Sensing Systems

Our broad range of sensing systems apply sensor technologies directed at specific application challenges.

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
AP1211710171117171718
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Sensor TypepH/RedoxpHRedoxpHpH
Shaft Length120mm (4.7 in.)120mm (4.7 in.)120mm (4.7 in.)120mm (4.7 in.)65mm (2.6 in.)
JunctionPTFEWickWickPTFEPTFE
Glass TypeBulbBulbN/AFlatFlat
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----
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Sensing Systems (1 of 4)
28677600
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Body TypeImmersion- Immersion
- Flow-Through
Temperature Sensor--Pt100
JunctionCeramicPTFE
Reference TypeFlowing JunctionFlowing Junction
Body MaterialABSPP
Process ConnectionDip Flange- ½, 1 and 3/8 inch Thread
- Dip Clamp
Maximum Temperature70°C (158 °F)100°C (212 °F)
Maximum Pressure--6 bar (87 psi)
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Sensing Systems (2 of 4)
AP100AP200AP300
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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 SensorPt100Pt100Pt100/B3k
Glass TypeBulbBulb Bulb/Flat*
JunctionPTFEPTFEPTFE
Reference TypeSlurrySolid PolymerGel
Body MaterialPPPP, PPS and 316SSPPS, 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 Temperature100°C (212°F)130°C (266 °F)105°C (221 °F)
Maximum Pressure6.9 Bar (100 psi)6 Bar (87 psi)6 Bar (87 psi)
* Self-cleaning
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Sensing Systems (3 of 4)
TB(X)551TB(X)556TB(X)557
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Body Type- Immersion
- Quick Insertion
- Immersion
- Screw-in Insertion
- Standard Pressure Retractable
JunctionPTFE or WoodPTFE or WoodPTFE or Wood
Glass TypeBulb / Flat Bulb / Flat Bulb / Flat
Reference TypeEncapsulated Salt MatrixEncapsulated Salt MatrixEncapsulated Salt Matrix
Body MaterialPPSPVDF- PVDF
- 316 SS
- Titanium
Process Connection1 in. NPT¾ in. NPTVia ball valve (1¼ or 1½ in. NPT)
Maximum Temperature140°C (284 °F)140°C (284 °F)140°C (284 °F)
Maximum Pressure6.9 bar (100 psi)6.9 bar (100 psi)6.9 bar (100 psi)
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Sensing Systems (4 of 4)
TB(X)561TB(X)564TB(X)567TBX587
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Body Type- Insertion
- Retractable with TB18
High Pressure RetractableScrew-in InsertionHot Tap, Ball Valve Iinsertion
JunctionPTFE or WoodPTFE or WoodPTFE or WoodPTFE or Wood
Glass TypeBulb / Flat Bulb / Flat Bulb / Flat Bulb / Flat
Reference TypeEncapsulated Salt MatrixEncapsulated Salt MatrixEncapsulated Salt MatrixEncapsulated Salt Matrix
Body MaterialPVDFPVDF, 316 SSPVDF, 316 SSPVDF
Process Connection25mmVia ball valve (1¼ in. NPT)1 in. NPT1 in. NPT
Maximum Temperature140°C (284 °F)140°C (284 °F)140°C (284 °F)140°C (284 °F)
Maximum Pressure6.9 bar (100 psi)20.7 bar (300 psi)17.2 bar (250 psi)10.3 bar (150 psi)
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