Double Junction pH Electrodes

pH Sensor -- InPro 2000i SG/120/9816
from Mettler-Toledo GmbH

Refillable Viscolyt pH/ORP Probe. The InPro 2000i SG/120/9816 is an Intelligent Sensor Management (ISM) pH probe with an integrated temperature sensor for demanding applications. This 120 mm refillable pH sensor with Viscolyt electrolyte is a reliable pH measurement solution. For Use in Extreme... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • pH Range: 0.0 to 14
  • Reference Solution Options: Refillable
Analog pH/ORP Sensor -- Model 100 GP
from ABB Measurement & Analytics

Highly accurate with fast response times, the versatile 100 GP provides complete confidence in a wide range of general process applications including drinking water, municipal wastewater and cooling waters. The 100 GP sensor provides: Increased efficiency. Propriety high performance glassware... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Analog pH/ORP Sensor -- Model 100 Ultra
from ABB Measurement & Analytics

The 100 ULTRA features a high-volume internal chamber containing a super-saturated electrolyte matrix with a large porous PTFE junction that provides added measurement stability with minimal drift for long-term measurement down to 2 μS/cm. The 100 ULTRA sensor provides: Increased efficiency. [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Analog pH/ORP Sensor -- Model 700 Ultra
from ABB Measurement & Analytics

Enhanced with a triple ceramic junction design, the 700 ULTRA has improved speed of response while maintaining measurement stability in the most demanding high purity applications. The 700 ULTRA sensor provides: Increased efficiency. Propriety high performance glassware formulations provide the... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Digital pH/ORP Sensor -- Model 100 GP-D
from ABB Measurement & Analytics

Highly accurate with fast response times, the 100 GP-D provides complete confidence in a wide range of general process applications including drinking water, municipal wastewater and cooling waters. The 100 GP-D sensor provides: EZLink ™ connectivity. Plug-and-play technology makes sensor... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Digital pH/ORP Sensor -- Model 100 Ultra-D
from ABB Measurement & Analytics

The 100 ULTRA-D features a high-volume internal chamber containing a super-saturated electrolyte matrix with a large porous PTFE junction that provides added measurement stability with minimal drift for long-term measurement down to 2 μS/cm. The 100 ULTRA-D sensor provides: EZLink ™... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Digital pH/ORP Sensor -- Model 700 Ultra-D
from ABB Measurement & Analytics

Enhanced with a triple ceramic junction design, the 700 ULTRA-D has improved speed of response while maintaining measurement stability in the most demanding high purity applications. The 700 ULTRA-D sensor provides: EZLink ™ connectivity. Plug-and-play technology makes sensor integration fast... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Eco-Efficient pH/ORP Sensor -- Model 100E
from ABB Measurement & Analytics

The 100E pH sensor features low-resistance pH glass with an acrylamide-free gel electrolyte and double junction reference protection to provide accurate measurements across the full pH scale (0 to 14). The Ultem ® body combines strength with enhanced chemical resistance; the notched design... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
pH/ORP Sensor -- WDS-PH
from Iwaki America and Walchem, IWAKI America Inc

Walchem ’s WDS Series differential pH and ORP sensors are designed for industrial applications to be long-lasting and reliable. The differential measurement technique uses two electrodes, one for the process measurement and the other for the reference measurement. Each electrode is measured... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
12 mm pH Sensor -- PHE-5432-10-PG Series
from OMEGA Engineering, Inc.

Manufactured with PG 13.5 installation gland for European Industrial applications. The PHE-5432/5433-10 is a steam sterilizable combination pH electrode designed to withstand high temperatures. The utilization of a Porous PTFE liquid double junction and specifically formulated low impedance glass... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Endress + Hauser® Direct Replacement Probes
from Van London-pHoenix Company

This new line of direct replacements for E&H®-style electrodes is now available for a wide variety of pH or ORP applications. They are designed dimensionally to retrofit with existing installations. Expensive equipment changes are no longer necessary. [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Sealed
pH & ORP Sensors -- Combination pH/ORP Sensors
from Hach

These combination sensors are designed for specialty applications for immersion or in-line mounting. The reference cell features a double-junction design for extended service life, and a built-in solution ground. The body is molded from chemically-resistant Ryton ® or PVDF, and the reference... [See More]

  • Junction Type: Double Junction
  • Operating Temperature: 32 to 221
  • Specific Electrode Type: Measures ORP
  • Operating Pressure Range: ? to 100
General Purpose pH Sensors -- Model 3900
from Emerson Automation Solutions – Rosemount

Models 3900 and 3900VP are provided with a double junction reference, which protects the reference element from poisoning ions – such as ammonia, chlorine, cyanides, and sulfides – in the process. ENHANCED PERFORMANCE AND INCREASED LIFE with minimized glass cracking provided by... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • pH Accuracy: 1 to 5
8102BNUWP - Thermo Scientific Orion ROSS Ultra pH Probe, Refillable/DJ/Glass; WP BNC -- GO-05718-70
from Cole-Parmer

bull; 2-year replacement warranty. • Builds on the ROSS <reg > technology for greater stability, relability, and renowned accuracy and temperature response. • Less long term drift saves time from recalibrating. The ROSS Ultra stability gives you <tol >0.01 pH accuracy even... [See More]

  • Junction Type: Double Junction
  • Body Material: Glass
  • pH Range: 0.0 to 14
  • Operating Temperature: 32 to 212
Swansensor pH SI -- A-87.110.200
from SWAN Analytical USA, INC.

pH sensor with reference electrode in mechanically and chemically inert plastic case (IP68) for the measurement of pH in power plants. Features. Poisoning protected Ag/AgCl-reference system. Clogging of the reference system by insoluble silver compounds is eliminated by a AgCl-free electrolyte. [See More]

  • Junction Type: Double Junction
  • Electrode Configuration: Combination
  • pH Range: 1 to 12
  • Reference Solution Options: Sealed
pH Electrodes with Replaceable Cartridges for Industrial Use
from Amalgamated Instrument Co. Pty., Ltd. (AIC)

pH electrode, flat or bulb glass, double junction, pt100 or pt1000 temperature sensor, 1,5,10m cable available with a BNC connector [See More]

  • Junction Type: Double Junction
  • Mounting Options: In-Line (Insertion)
  • pH Range: 0.0 to 14
  • Features: Temperature Sensor
Liquid Analysis - pH/ORP -- Ceragel CPS 71/71D
from Endress+Hauser, Inc.

Application. Hygienic and sterile applications (sterilizable, autoclavable). - Fermenters. - Biotechnology. - Pharmaceutical industry. - Food industry. Process technology and monitoring of processes with: - Quickly changing pH values. - High proportion of electrode poisons such as H2S. Your... [See More]

  • Junction Type: Double Junction
  • Electrode Configuration: Combination
  • pH Range: 0.0 to 14
  • Reference Solution Options: Sealed
Glass pH/ORP Electrodes -- 11 Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: Combination
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Sealed
Combination pH probe
from Microelectrodes, Inc.

For sample sizes as small as 5 microliters. Each combination pH electrode includes a bottle of reference solution. [See More]

  • Junction Type: Double Junction
  • Response Time: 5 to 15
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Alpha® Laboratory pH Electrode -- PHE-3000
from OMEGA Engineering, Inc.

•. Combination Electrodes. •. Sensing Electrodes. •. Reference Half Cells [See More]

  • Junction Type: Double Junction
  • Electrode Configuration: Combination
  • pH Range: 0.0 to 14
  • Reference Solution Options: Refillable
Fermprobe® Type Replacement pH/Redox Electrodes
from Van London-pHoenix Company

This series of steam sterilizable and autoclavable pH electrodes and ORP electrodes has been designed to retro-fit the Broadley James Corp. FERMPROBE® ELECTRODE HOLDER.  These electrodes have been engineered as improved replacements using the same configuration as the original equipment. [See More]

  • Junction Type: Double Junction
  • Reference Solution Options: Sealed
  • pH Range: 0.0 to 13
  • Operating Temperature: 23 to 275
HF Resistant pH Sensor -- Model 372
from Emerson Automation Solutions – Rosemount

ENHANCED RESISTANCE TO PROCESS ATTACK provided by field-proven pH glass formulation. EXTENDED SENSOR LIFE provided by double junction reference cell for process solutions that contain poisoning ions. MULTIPLE MOUNTING OPTIONS are accommodated by one-piece construction with process threads in two... [See More]

  • Junction Type: Double Junction
  • Electrode Configuration: Combination
  • pH Range: 0.0 to 12
  • Reference Solution Options: Sealed
8157BNUMD - Thermo Scientific ROSS Ultra pH/ATC Probe, DJ/Epoxy; BNC/8-Pin DIN -- GO-05718-34
from Cole-Parmer

bull; 2-year replacement warranty. • Builds on the ROSS <reg > technology for greater stability, relability, and renowned accuracy and temperature response. • Less long term drift saves time from recalibrating Mini-DIN ATC connector for Star series pH meters. The ROSS Ultra... [See More]

  • Junction Type: Double Junction
  • Body Material: Epoxy or Polymer
  • pH Range: 0.0 to 14
  • Operating Temperature: 32 to 212
Liquid Analysis - pH/ORP -- Orbisint CPS 11 /11D
from Endress+Hauser, Inc.

Orbisint CPS11D is a digital pH electrode with Memosens technology for standard applications in process and environment technology. It is designed with a dirt-repellent PTFE diaphragm and a built-in temperature sensor. With ATEX, FM and CSA approval it is made for application in hazardous areas. [See More]

  • Junction Type: Double Junction
  • Electrode Configuration: Combination
  • pH Range: 0.0 to 14
  • Reference Solution Options: Sealed
Glass pH/ORP Electrodes -- 12 Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: Combination
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Sealed
Micro-Combination pH Probe
from Microelectrodes, Inc.

Available in three sizes (2 cm, 4 cm, 6 cm). For sample sizes as small as 0.5 microliters. Each combination pH electrode includes a bottle of reference solution. [See More]

  • Junction Type: Double Junction
  • Response Time: 5 to 15
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Bayonet Twist-Lock pH Sensor -- PHE-5555-10 Series
from OMEGA Engineering, Inc.

The Model PHE-5555-10 pH electrode allows for quick insertion using our simple twist and lock adapter, as shown in the diagram above. This combination electrode incorporates pH, reference and solution ground in a robust PPS (Ryton) housing. Double junction reference construction makes the PHE-5555... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Response Time: 5
Hach® (Great Lakes) Replacement Probes
from Van London-pHoenix Company

Van London Co. (aka Van London pHoenix Co.) electrodes are manufactured with our Solid Polymer Reference ™ fill, the life of the electrode is prolonged and the overall performance of the electrode is enhanced. [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Sealed
PERpH-X™ High Performance pH and ORP Sensors -- Model 3300/3400HT
from Emerson Automation Solutions – Rosemount

The ultimate in high temperature performance, these sensors incorporate several design innovations that prolong the life of the sensor in difficult hot processes. The 3400 is the retractable version of the Model 3300, this sensor includes a gel based reference that retains viscosity to resist the... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • pH Accuracy: 1 to 6
8220BNWP - Thermo Scientific Orion PerpHecT ROSS pH electrode,3.3-ft (1-m) cable -- GO-05718-21
from Cole-Parmer

• Use with Thermo Scientific Orion PerpHecT pH Meter (58820-02) to measure pH and temperature in very small vessels without the use of a separate temperature probe. [See More]

  • Junction Type: Double Junction
  • Body Material: Glass
  • pH Range: 0.0 to 14
  • Operating Temperature: 32 to 212
Liquid Analysis - pH/ORP -- PuriSys CPF 201
from Endress+Hauser, Inc.

Purisys CPF201 is the compact pH electrode for measurement in pure and ultrapure water. Your benefits: 316 SS low flow assembly: - Stable pH reading. - Elimination of flow dependency errors. Simple, maintenance-free replacement electrode. Temperature compensation. TOP68 quick disconnect, water tight... [See More]

  • Junction Type: Double Junction
  • Response Time: 0.0 to 10
  • pH Range: 0.0 to 14
  • Reference Solution Options: Sealed
Glass pH/ORP Electrodes -- 14 Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: Combination
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
Micro-Combination pH Probe (16 gauge needle)
from Microelectrodes, Inc.

Each combination pH electrode includes a bottle of reference solution [See More]

  • Junction Type: Double Junction
  • Response Time: 5 to 15
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Bypass ORP Electrode -- PHE-4580
from OMEGA Engineering, Inc.

The OMEGA PHE/ORE-4580 bypass flow pH system has a modified 1" CPVC or PVDF tee and cable assembly matched to the flat surface pH and ORP electrodes. Each GPM flowing through the tee results in a 2 ft/sec velocity which performs the self-cleaning action. No moving parts, liquid jets or power are... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Response Time: 5
Honeywell (L&N) Replacement Probes
from Van London-pHoenix Company

Van London Co. (aka Van London pHoenix Co.) Housings can be machined from numerous materials with several electrode guard designs and various insertion depths. Custom electrode designs can maximize sensor in harsh environments. [See More]

  • Junction Type: Double Junction
  • Reference Solution Options: Sealed
  • pH Range: 0.0 to 14
  • Operating Temperature: 32 to 275
PERpH-X™ Insertion and Submersion pH and ORP Sensors -- Model 3500P/3500VP
from Emerson Automation Solutions – Rosemount

The 3500P and 3500VP are the foundation of the Rosemount Analytical PERpH-X ™ high performance pH / ORP sensor offering. The 3500P sensors incorporate several design innovations that prolong the life of the sensor in difficult applications. Additional SMART features include factory... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • pH Accuracy: 1 to 6
Cole-Parmer Autoclavable Mini pH Probe, Sealed/DJ/Glass; 150 mm -- GO-05662-15
from Cole-Parmer

Ideal for narrow crowded culture flasks and fermentors (6 mm dia). Double-junction reference offers stability and extended service life. [See More]

  • Junction Type: Double Junction
  • Operating Temperature: 266
  • Body Material: Glass
Liquid Analysis - pH/ORP -- Tophit CPS 471/471D
from Endress+Hauser, Inc.

Application. Hygienic and sterile applications. Food industry and pharmaceutical industry. Biotechnology. Your benefits: Resistant to breaking. - Sensor body made completely of PEEK. - Direct installation into the process, reduces effort and costs for sampling and laboratory analysis. Certified... [See More]

  • Junction Type: Double Junction
  • Response Time: 0.0 to 5
  • pH Range: 0.0 to 14
  • Reference Solution Options: Sealed
Glass pH/ORP Electrodes -- 4C Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
Micro-Combination pH Probe (for NMR Tubes)
from Microelectrodes, Inc.

Measures volumes as small as 5 microliters. Each combination pH electrode includes a bottle of reference solution. [See More]

  • Junction Type: Double Junction
  • Response Time: 5 to 15
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Combination Alpha® Electrode -- PHE-4200 Series
from OMEGA Engineering, Inc.

OMEGA Engineering is pleased to offer a complete line of laboratory pH electrodes. The PHE-4200 Series are gel-filled, combination pH electrodes with a unique clear epoxy body design. With five electrode styles to choose from, you're sure to find one suitable for your application. OMEGA PHE-4200... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Response Time: 1
Invensys (Foxboro) Replacement Probes
from Van London-pHoenix Company

Van London Co. (aka Van London pHoenix Co.) electrode designs have been field proven in a variety of harsh applications. Replacement sensors are dimensionally matched to existing equipment so that no expensive retrofit changes are necessary. [See More]

  • Junction Type: Double Junction
  • Reference Solution Options: Sealed
  • pH Range: 0.0 to 14
  • Operating Temperature: 32 to 266
Steam Sterilizable pH Sensor -- Model 328A
from Emerson Automation Solutions – Rosemount

SPECIAL pH SENSITIVE GLASS MEMBRANE for extended sensor life in high temperature sterilizations is resistant to mechanical and thermal shock. NON-FLOWING JUNCTION minimizes maintenance requirements and eliminates the need for expensive pressurization hardware. DOUBLE JUNCTION REFERENCE CELL provides... [See More]

  • Junction Type: Double Junction
  • Electrode Configuration: Combination
  • pH Range: 0.0 to 13
  • Reference Solution Options: Sealed
Cole-Parmer Autoclavable pH Probe, Refillable/DJ/Glass; 150 mm -- GO-05661-02
from Cole-Parmer

bull; Double-junction electrodes. These electrodes are designed for insertion in RADIOMETER mountings or Ingold nonpressurized assemblies 761-351, 761-31, 761-361, and 361CH-31 (12 mm dia.) Sealed, gel-filled, double-junction reference electrodes require no refilling, and offer long-term stability... [See More]

  • Junction Type: Double Junction
  • Operating Temperature: 266
  • Body Material: Glass
Liquid Analysis - pH/ORP -- Tophit CPS 491/491D
from Endress+Hauser, Inc.

Application. Process applications with: - Quickly changing pH values. - Alternating temperatures and pressures. Water purification and wastewater. Media with high dirt loads: - Solids. - Emulsions. - Precipitation processes. Your benefits: Resistant to breaking. - Sensor body made completely of... [See More]

  • Junction Type: Double Junction
  • Response Time: 0.0 to 5
  • pH Range: 0.0 to 14
  • Reference Solution Options: Sealed
Glass pH/ORP Electrodes -- 4D Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
Tiny Combination pH Probe
from Microelectrodes, Inc.

For sample sizes as small as 5 microliters. Each combination pH electrode includes a bottle of reference solution. [See More]

  • Junction Type: Double Junction
  • Response Time: 5 to 15
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
General Purpose MNPT pH Sensor -- PHE-7357-10
from OMEGA Engineering, Inc.

The PHE-7357 sensor is designed for use in most water and waste water applications. The large reservoir of reference electrolyte, coupled with the non-fouling nature of the Porous PTFE liquid junction, assures a long life in general service. The sensor body reduces the risk of accidental breakage... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Response Time: 10
Laboratory Electrodes
from Van London-pHoenix Company

Van London Co. (aka Van London pHoenix Co.) Laboratory electrodes are designed to be used in a variety of applications. These include water quality, soil pH, non-aqueous media, and education. Both glass and plastic body types are available. [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: Combination
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable; Sealed
Cole-Parmer Autoclavable pH Probe, Sealed/DJ/Glass; 150 mm -- GO-05993-95
from Cole-Parmer

These electrodes are designed for insertion in RADIOMETER mountings or Ingold nonpressurized assemblies 761-351, 761-361, and 361CH-361 (12 mm dia.) Sealed, gel-filled, double-junction reference electrodes require no refilling, and offer long-term stability and extend service life. [See More]

  • Junction Type: Double Junction
  • Operating Temperature: 266
  • Body Material: Glass
Glass pH/ORP Electrodes -- 4E Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
General Purpose pH Sensor -- PHE-7451-15
from OMEGA Engineering, Inc.

The PHE-7451-15 is a combination pH sensor designed specifically for insertable use in process and waste water applications. The outer body material is PPS (Ryton) and has 3/4" MNPT(or optional 1" MNPT) front and rear facing threads. The double junction reference cell is highly resistant to... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Response Time: 10
Mark 7 Series pH/ORP Probe
from Van London-pHoenix Company

The Mark 7 insertion assemblies permit continuous pH or ORP monitoring in pressurized vessels or lines. Specifications are for mounting onto a weldalet, a pipe tee or flange. To reduce the maintenance. downtime required, electrode connections terminate inside an explosion-proof junction box which... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Sealed
Cole-Parmer Combination pH Electrode, Glass, Double-Junction, BNC -- GO-59001-36
from Cole-Parmer

bull; Faster response and increased stability across a pH range of 0 to 14. • Dome bulb offers better protection from breakage. • Stability in low-ionic strength solutions. • Offers resistance to Na+ ion interference. • Compatible with most brands of pH meters (that accept... [See More]

  • Junction Type: Double Junction
  • Operating Temperature: 212
  • Body Material: Glass
Glass pH/ORP Electrodes -- 59 Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
Heavy-Duty pH Sensor -- PHE-7352-15 / PHE-7353-15
from OMEGA Engineering, Inc.

The PHE-7352-15 is a combination pH sensor designed for insertable use in process and waste water applications where greater pipeline penetration is required. The outer body material is PPS (Ryton) and has 3/4' MNPT (or optional 1" MNPT) front and rear facing threads with 21/4' (57.1mm) insertion... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Response Time: 10
Micro Autoclavable Electrodes
from Van London-pHoenix Company

This series of miniature steam sterilizable, combination pH and redox electrodes are designed for small bench top fermentors and culture apparatus. The electrodes are designed to fit all 12mm and 6mm electrode holders or rubber stoppers used in bench top fermentors. [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 13
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Cole-Parmer Combination pH electrode, Glass, Refillable, Double-Junction, BNC -- GO-59001-34
from Cole-Parmer

bull; Faster response and increased stability across a pH range of 0 to 14. • Dome bulb offers better protection from breakage. • Stability in low-ionic strength solutions. • Offers resistance to Na+ ion interference. • Compatible with most brands of pH meters (that accept... [See More]

  • Junction Type: Double Junction
  • Operating Temperature: 212
  • Body Material: Glass
Glass pH/ORP Electrodes -- 5B Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
Industrial pH Electrode -- PHE-6350 Series
from OMEGA Engineering, Inc.

Submersible Disposable Electrodes are combination electrodes that are permanently potted into a 36" pipe. Ideally suited for measuring pH in drums, tanks and open streams, the electrode features an annular ceramic reference junction and is supplied with 10 foot cable with BNC connector. [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Refillable pH and ORP Electrodes
from Van London-pHoenix Company

This series of steam-sterilizable pH and ORP electrodes are designed for small fermentors where sterilization is performed in an autoclave in non-pressurized operation. The electrodes can withstand repeated sterilization up to 130°C and feature a detachable cable assembly insulated with a water... [See More]

  • Junction Type: Single Junction; Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Electrode Configuration: Combination
Cole-Parmer flat-surface, glass, double junction,BNC, pH electrode -- GO-05991-44
from Cole-Parmer

bull; Faster response and increased stability across a pH range of 0 to 14. • Dome bulb offers better protection from breakage. • Stability in low-ionic strength solutions. • Offers resistance to Na+ ion interference. • Compatible with most brands of pH meters (that accept... [See More]

  • Junction Type: Double Junction
  • Operating Temperature: 212
  • Body Material: Glass
Glass pH/ORP Electrodes -- DG Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI manufactures a wide variety of glass pH and ORP electrodes that meet the demands of most applications. In addition to our standard models that work in general applications, we also offer models that utilize ground glass joints for dirty applications that might clog the electrode, semi-micro... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
Industrial pH Electrode -- PHE-7151
from OMEGA Engineering, Inc.

Insertion/Submersion Combination Electrodes. The PHE-7151 series combination electrodes are ruggedly constructed; the outer body is ABS with 3/4" MNPT threads at both ends. The maximum insertion length is 31.75 mm/1.25". Electrodes are annular PTFE liquid junction refillable and include 15 ft of... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Sensorex® & Signet® Replacement Electrodes
from Van London-pHoenix Company

The low profile design allows the process flow to clean the pH / ORP sensor tip, and with the addition of the Van London Co. (aka Van London pHoenix Co.) Tuff Tip ™ the bulb is protected from physical damage. [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Mounting Options: In-Line (Insertion)
Cole-Parmer pH electrode, epoxy-body, spear tip, double-junction, BNC -- GO-59002-24
from Cole-Parmer

bull; Unique probes for special applications. • Combine quality with durability. • Eposy-body housing resists impact. • Compatible with most pH meters. These quality electrodes have a no maintenance sealed gel reference. All electrodes have a Ag/AgCl reference cell. Spear-tip has a... [See More]

  • Junction Type: Double Junction
  • Body Material: Epoxy or Polymer
  • pH Range: 0.0 to 14
  • Operating Temperature: 0.0 to 176
Plastic pH/ORP Electrodes -- 27 Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI offers many models with plastic bodies. Our standard models are constructed of chemically resistant epoxy and polycarbonate for general applications. In addition to our standard models, you will findmodels that have replaceable junctions, multi-color designs that give the ability to have your... [See More]

  • Junction Type: Single Junction; Double Junction
  • Electrode Configuration: SingleCell / No Reference
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Refillable
Preamplified Alpha® Electrode -- PHE-6300 Series
from OMEGA Engineering, Inc.

OMEGA Engineering offers pH electrodes with integral preamplifiers for laboratory or industrial applications. These electrodes can interface directly with equipment that accepts a millivolt input signal with a 10 k or greater input impedance, such as a data acquisition interface or multimeter. The... [See More]

  • Junction Type: Double Junction
  • pH Accuracy: 0.1000
  • pH Range: 0.0 to 14
  • Electrode Configuration: Combination
Threaded pH/ORP Electrodes
from Van London-pHoenix Company

These inline pH and ORP electrodes are designed for mounting on standard 1" or ¾" pipe tees for continuous pH or ORP flow-through monitoring. They are constructed with a sealed solid polymer reference which requires no pressurization or refilling during use. With the large reference surface area,... [See More]

  • Junction Type: Double Junction
  • pH Range: 0.0 to 14
  • Specific Electrode Type: Measures ORP
  • Reference Solution Options: Sealed
Cole-Parmer pH Electrodes for Field Use; double-junction 10 foot cable -- GO-05992-06
from Cole-Parmer

bull; Ideal for your most rugged applications. • PTFE reference-junction pH electrodes (clog resistant). These combination electrodes withstand the most demanding field conditions â € ”the semi-domed tip protects the pH bulb and ensures a quick response when taking... [See More]

  • Junction Type: Double Junction
  • Body Material: Epoxy or Polymer
  • pH Range: 0.0 to 14
  • Operating Temperature: 212
Reference Electrodes -- F001 Series
from Analytical Sensors & Instruments, Ltd. (ASI)

ASI reference electrodes feature reliable, stable, drift free performance in a variety of sample types. The silver/silver chloride references offer high stability and should be used for most sample types. The calomel reference is ideal for use in Tris buffers or in the presence of organics,... [See More]

  • Junction Type: Single Junction; Double Junction
  • Reference Solution Options: Sealed
  • Specific Electrode Type: Measures ORP
  • Body Material: Epoxy or Polymer