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pH Electrodes

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pH Electrodes

Our extensive assortment of quality pH electrodes, sensors, and probes are designed to make your complex measurements routine, reliable, and accurate in both the lab or in the field. They are available in a variety of body materials, body styles, and sample requirements. Refillable Ag/AgCl pH electrodes comprise a wide selection of electrode body shapes. Digital probes have built-in temperature sensors and will alert the user when recalibration is needed. These probes have rugged bodies and long integrated cables for convenient use in a variety of scenarios.


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Catalog Number: 76460-476
Supplier: VWR International



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Catalog Number: 76460-460
Supplier: VWR International



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Catalog Number: 76460-462
Supplier: VWR International



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Catalog Number: 76460-480
Supplier: VWR International



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Catalog Number: 76460-454
Supplier: VWR International



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Catalog Number: 76460-458
Supplier: VWR International



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Catalog Number: 76460-468
Supplier: VWR International



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Catalog Number: 76460-478
Supplier: VWR International



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Catalog Number: 76460-464
Supplier: VWR International



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Catalog Number: 76460-452
Supplier: VWR International



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Catalog Number: 76460-456
Supplier: VWR International



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Catalog Number: 76460-470
Supplier: VWR International



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Catalog Number: 76460-482
Supplier: VWR International



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Catalog Number: 76460-474
Supplier: VWR International



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Catalog Number: 76460-472
Supplier: VWR International



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Description:   Glass body, general-purpose electrode for precise pH determinations in QC and research applications. pH range: 0 to 14. Temperature range: 0 to 100[degree]C. Length: 120mm. Diameter: 12mm. Cap diameter: 16mm. 1m lead length. Ceramic junction with BNC connector.
Catalog Number: 10010-756
Supplier: Thermo Scientific



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Description:   Orion gel-filled combination pH electode with an epoxy body and a waterproof BNC connector. Electrode is non-refillable and has a one meter cable.
Catalog Number: 10010-786
Supplier: Thermo Scientific



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Description:   Glass Body, Waterproof Connector, 3 mm Sensing Tip
Catalog Number: 89031-454
Supplier: Thermo Scientific



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Description:   Orion Ag/AgCl glass electrode with a waterproof BNC connector. One meter cable.
Catalog Number: 10010-778
Supplier: Thermo Scientific



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Description:   Epoxy body. Removable protective sleeve/bulb-guard. pH range: 0 to 14. Temperature range: 0 to 100[degree]C. Length: 120mm. Diameter: 12mm. Cap diameter: 16mm. 1m lead length. Sure-Flow liquid-to-liquid junction with BNC connector.
Catalog Number: 10010-770
Supplier: Thermo Scientific



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Description:   Orion double junction reference half-cell with an epoxy body, pin-tip, and one meter cable.
Catalog Number: 34107-956
Supplier: Thermo Scientific



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Description:   Orion ROSS* epoxy body combination pH electrode with a BNC connector.
Catalog Number: 34107-377
Supplier: Thermo Scientific



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Description:   Glass body electrode fits test tubes and measures samples as small as 0.2mL. pH range: 0 to 14. Temperature range: 0 to 100[degree]C. Length: 165mm. Diameter: 6mm. Cap diameter: 16mm. 1m lead length. Ceramic junction with BNC connector.
Catalog Number: 10010-758
Supplier: Thermo Scientific



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Description:   A.T.C low maintenance, low cost, plastic body, gel electrolyte, ph 0…14, 0…80 c. for bench meter.
Catalog Number: 89174-194
Supplier: Hach


Product available on GSA Advantage®

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Description:   ELECTRODE CALOMEL PHREE EPOXY 12X150MM
Catalog Number: BKA51705
Supplier: Beckman Coulter


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Catalog Number: 89174-200
Supplier: Hach


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Description:   Epoxy-Body, Triode 3-in-1 pH/ATC Probe. Non-refillable. Recommended Use: Routine pH. Ideal for field or plant use. Portable, little or no maintenance needed. Use with Models 260A, 261, 261S, 265A, 266, 266S.
Catalog Number: 34104-186
Supplier: Thermo Scientific



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Description:   3-in-1 gel epoxy pH probe with a BNC connector, 2.5 MM ATC, and 1 meter cable. Comes with electrode insert. 6 month warranty.
Catalog Number: 14004-290
Supplier: Thermo Scientific



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Description:   ELECTRODE SPEAR TIP 9.5X150
Catalog Number: BKA57185
Supplier: Beckman Coulter


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Description:   Glass Micro-pH electrode, Combination. Recommended Use: Designed for NMR cells. Note: All Micro Electrodes have BNC connectors, and 1 m cable.
Catalog Number: 23227-002
Supplier: Thermo Scientific



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Description:   Orion combination specialty electrode with a glass body, spear tip, and screw cap connector.
Catalog Number: 34107-749
Supplier: Thermo Scientific



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Description:   Use with ORION* Star series meters. Epoxy body. Eliminates need for separate ATC probe by combining a thermistor with a combination pH electrode. Ranges: 0-14pH, 0-90[degree]C. Ag/AgCl internal reference. Glass fiber junction. 1m cable. BNC connector.
Catalog Number: 10010-734
Supplier: Thermo Scientific



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Catalog Number: 97000-030
Supplier: Thermo Scientific



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Description:   Orion glass electrode with an Ag/Agcl internal reference system. BNC connector with a one meter cable.
Catalog Number: 10010-798
Supplier: Thermo Scientific



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Description:   Use with ORION* specific ion electrode half-cell, glass pH and redox electrodes. Epoxy body. Range: 0-100[degree]C. Sure-Flow junction with Pin-Tip connector. 1m lead length. 50ml Ag/AgCl filling solution (34111-830) bottle included.
Catalog Number: 34107-923
Supplier: Thermo Scientific



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Description:   ELECTRODE GP PH GEL-FIL EPOXY 12X150MM
Catalog Number: BKA57186
Supplier: Beckman Coulter


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Catalog Number: 10010-790
Supplier: Thermo Scientific



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Description:   Epoxy-body electrode. pH range: 0 to 14. Temperature range: 0 to 100[degree]C. Length: 165mm. Diameter: 6mm. Cap diameter: 16mm. 1m lead length. Sure-Flow liquid-to-liquid junction with BNC connector.
Catalog Number: 10010-774
Supplier: Thermo Scientific



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Description:   Glass. Requires only 0.5uL of sample. Immersion depth: 1mm. With filling solution and pipet. Ranges: 0 to 14pH, -5 to 100[degree]C. Length: 120mm. Diameter: 6mm. Tip diameter: 1.3mm. Tip length: 37mm. 1m lead length. Ag/AgCl internal reference. BNC connector.
Catalog Number: 23227-006
Supplier: Thermo Scientific



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Description:   ELECTRODE REF CALOMEL PHREE 12X150MM
Catalog Number: BKA57190
Supplier: Beckman Coulter


Product available on GSA Advantage®

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Description:   Stainless steel ATC (integrated temperature sensor) probe, for use with PerpHecT meters. Can be used with PerpHecT Benchtop pH/mV/ORP/Temperature Meters, Models 330 and 320, Benchtop pH/Temperature Meter, Model 310, and Benchtop pH/mV/ORP/Temperature Meters, Model 370 and 350.
Catalog Number: 34104-258
Supplier: Thermo Scientific


CSA Certified UL Listed

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Description:   Glass body with reference flow-on-demand. Ideal for use with TRIS buffers, or dirty samples. pH range: 0 to 14. Temperature range: -5 to 100[degree]C. Length: 125mm. Diameter: 12mm. Usable length: 75mm. 3.5M KCl. Includes 1m cable with BNC connector.
Catalog Number: BK511111
Supplier: Beckman Coulter


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Description:   ELECTRODE REF AG/AGCL EPOXY 12X150MM
Catalog Number: BKA57193
Supplier: Beckman Coulter


Product available on GSA Advantage®

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Description:   Orion epoxy body combination pH electrode with a screw cap connector. Requires a separate cable.
Catalog Number: 34107-747
Supplier: Thermo Scientific



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Description:   Orion low maintainence non-refillable gel triode with an epoxy body, miniDIN connector and a 1.5 meter cable.
Catalog Number: 10010-788
Supplier: Thermo Scientific



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Description:   Orion Ag/AgCl glass electrode. Low resistance with waterproof connection.
Catalog Number: 10010-794
Supplier: Thermo Scientific



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Catalog Number: 14004-266
Supplier: Thermo Scientific



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Description:   Orion epoxy body sure-flow* electrode with an ag/agcl internal reference system. Waterproof BNC connector with a one meter cable.
Catalog Number: 10010-796
Supplier: Thermo Scientific



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Description:   Epoxy body, gel-filled electrode with thermistor. Use with ORION* Series A meters. pH range: 0 to 14. Temperature range: 0 to 90[degree]C. Length: 110mm. Diameter: 12mm. Cap diameter: 16mm. Ag/AgCl internal reference. Wick junction with BNC connector.
Catalog Number: 52458-202
Supplier: Thermo Scientific



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Description:   Epoxy Body Low Maintenance Double Junction Ph Electrode, Waterproof Bnc Connector , 1 Meter Cable.
Catalog Number: 97014-784
Supplier: Thermo Scientific



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Description:   Stainless steel outer body. For Series A Meters.
Catalog Number: 34104-256
Supplier: Thermo Scientific



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Description:   A.T.C low maintenance, for foodstuffs, glas body, solid electrolyte, ph 2-14, 0…80 c. for bench meter.
Catalog Number: 89174-196
Supplier: Hach


Product available on GSA Advantage®

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Description:   Orion* Ag/AgCl gel filled double junction epoxy body pH electrode. For use in tris buffers and with proteins.
Catalog Number: 14011-004
Supplier: Thermo Scientific



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Catalog Number: 34107-650
Supplier: Thermo Scientific



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Description:   Orion ROSS* Orion pH half-cell with a glass body, a waterproof BNC connector, and a one meter cable.
Catalog Number: 10010-754
Supplier: Thermo Scientific



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Description:   ELECTRODE CALOMEL PHREE EPOXY 9.5X300MM
Catalog Number: BKA51709
Supplier: Beckman Coulter



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Description:   ELECTRODE PH REF/HF-CELL EPOXY 12X150MM
Catalog Number: BKA57188
Supplier: Beckman Coulter


Product available on GSA Advantage®

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Description:   Glass body electrode. Measures small samples to 100uL. pH range: 0 to 14. Temperature range: 0 to 100[degree]C. Length: 110mm. Diameter: 4.5mm. Cap diameter: 16mm. 1m lead length. Ceramic junction with BNC connector.
Catalog Number: 10010-768
Supplier: Thermo Scientific



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Catalog Number: 10010-732
Supplier: Thermo Scientific



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Catalog Number: 10324-578
Supplier: Thermo Scientific



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Description:   Glass. With 16-gauge stainless steel, bevel tip. Immersion depth: 3mm. With filling solution and pipet. Ranges: 0 to 14pH, -5 to 100[degree]C. Length: 157mm. Diameter: 6mm. Tip diameter: 1.7mm. 1m lead length. Ag/AgCl internal reference. BNC connector.
Catalog Number: 23227-008
Supplier: Thermo Scientific



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Description:   For difficult media, open diaphragm, glas body, ph 2…14, 0…80 c. for port meters.
Catalog Number: 89174-218
Supplier: Hach


Product available on GSA Advantage®

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Description:   Orion* double junction glass Ag/AgCl refillable micro pH electrode with a waterproof BNC connector and 1 meter cable. For use in tris buffers and with proteins.
Catalog Number: 14011-002
Supplier: Thermo Scientific



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Description:   Orion* double junction glass Ag/AgCl refillable pH electrode with a waterproof BNC connector and 1 meter cable. For use in tris buffers and with proteins.
Catalog Number: 14011-000
Supplier: Thermo Scientific



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