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Supplier: Cole-Parmer
Description: pH Electrode
- Body Material: Glass
- Junction Type: Double Junction
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Supplier: Automated Water & Effluent, Ltd.
Description: The 9086-10B is a sealed Redox electrode with a glass body, platinum band, an internal double junction, and a non fouling peripheric annular reference junction. The Redox electrode uses a polymerised salt bridge designed for use in temperatures up to 100ºC. A
- Body Material: Glass
- Junction Type: Double Junction
- Mounting Options: In-Line (Insertion)
- ORP Range: -2000 to 2000 millivolts
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Supplier: Cole-Parmer
Description: pH Electrode
- Body Material: Glass
- Junction Type: Double Junction
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Supplier: Cole-Parmer
Description: pH Electrode
- Body Material: Glass
- Junction Type: Double Junction
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Supplier: Cole-Parmer
Description: pH Electrode
- Body Material: Glass
- Junction Type: Double Junction
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Supplier: Van London-pHoenix Company
Description: 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.
- Electrode Configuration: Combination
- Features: Measures ORP
- Junction Type: Single Junction, Double Junction
- Reference Solution Options: Refillable, Sealed
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Supplier: Van London-pHoenix Company
Description: The Van London Co. (aka Van London pHoenix Co.) Titrate electro des are specially designed for all existing Brinkmann, Metrohm and Schott titration systems. The electrode body is constructed with a glass ground joint that will fit their titration vessels.
- Body Material: Glass
- Electrode Configuration: Combination
- Features: Measures ORP
- Junction Type: Single Junction, Double Junction
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Description: , sulfidesand samples which will complex silver. The double junction varieties offer high stability, eliminating Ag+/Hg+ interference, and can be used with any ion selective electrode. All models here are available with any of these options. Glass versions tolerate cleaning with
- Body Material: Epoxy or Polymer
- Features: Measures ORP
- Junction Type: Single Junction, Double Junction
- Operating Temperature: Up to 176 F
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Description: , sulfidesand samples which will complex silver. The double junction varieties offer high stability, eliminating Ag+/Hg+ interference, and can be used with any ion selective electrode. All models here are available with any of these options. Glass versions tolerate cleaning with
- Body Material: Epoxy or Polymer
- Features: Measures ORP
- Junction Type: Single Junction, Double Junction
- Operating Temperature: Up to 176 F
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Description: , sulfidesand samples which will complex silver. The double junction varieties offer high stability, eliminating Ag+/Hg+ interference, and can be used with any ion selective electrode. All models here are available with any of these options. Glass versions tolerate cleaning with
- Body Material: Glass
- Features: Food / Sanitary, Measures ORP
- Junction Type: Single Junction, Double Junction
- Operating Temperature: Up to 176 F
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Description: , sulfidesand samples which will complex silver. The double junction varieties offer high stability, eliminating Ag+/Hg+ interference, and can be used with any ion selective electrode. All models here are available with any of these options. Glass versions tolerate cleaning with
- Body Material: Epoxy or Polymer
- Features: Measures ORP
- Junction Type: Single Junction, Double Junction
- Operating Temperature: Up to 176 F
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Supplier: OMEGA Engineering, Inc.
Description: Twist Lock Industrial Electrodes and Adaptors Specially designed to withstand harsh industrial environments, the twist lock-style combination electrode features a non-fouling annular ceramic junction and an electrode housing of PVDF construction with 316SS locking pins.
- Electrode Configuration: Combination
- Junction Type: Double Junction
- Mounting Options: Flow Thru (Pipeline)
- Operating Temperature: 23 to 212 F
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Supplier: OMEGA Engineering, Inc.
Description: 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
- Body Material: Glass
- Electrode Configuration: Combination
- Junction Type: Double Junction
- Mounting Options: In-Line (Insertion)
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Supplier: Weiss Research, Inc.
Description: Unlike pH electrodes which can be calibrated and adjusted by meters, ORP electrodes are difficult to be standardized by most pH/mV meters. Keeping constant reference potential is the key to successful ORP measurement. To fulfill this requirement, the ElectroJelly™ filled (sealed
- Body Material: Epoxy or Polymer
- Electrode Configuration: Combination
- Junction Type: Single Junction, Double Junction
- Mounting Options: In-Line (Insertion)
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Supplier: Eutech Instruments Pte. Ltd.
Description: ClassificationORPSensorGoldORP Range±1000 mVReferenceAnnular PTFE, double junctionReference ElectrolyteSaturated KCI, polynerized gelOperating Temperature0 to 80 °C / 32 to 176 ºFPressure Tolerance6 bars (87 psi)Potential
- Electrode Configuration: Single Cell / No Reference
- Junction Type: Double Junction
- Mounting Options: In-Line (Insertion)
- ORP Range: -1000 to 1000 millivolts
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Supplier: Telatemp Corporation
Description: Replacement double junction sensor probe for pH Testr 10, 20, 30, 3 and 3+
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Description: cartridges feature a unique threaded interlock connection and a double o-ring seal, ensuring a watertight fit and secure seating at all times. The optional differential preamplifier and temperature compensation element are in the housing, and are not thrown away when the electrode
- Body Material: Epoxy or Polymer
- Electrode Configuration: Combination
- Features: Measures ORP, Submersible / Water Resistant, Temperature Compensated
- Junction Type: Single Junction
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Description: pH electrode, flat or bulb glass, double junction, pt100 or pt1000 temperature sensor, 1,5,10m cable available with a BNC connector
- Features: Temperature Sensor
- Junction Type: Double Junction
- Mounting Options: In-Line (Insertion)
- Operating Pressure Range: 43.51 psi
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Supplier: Sensorex Corporation
Description: – are reinforced with protective elements. Durable Ultem® body construction provides extensive chemical compatibility and withstands temperatures up to 100°C. Durable Ultem® body Double junction reference protection Reinforced meter and cable connections Low maintenance sealed gel
- Body Material: Epoxy or Polymer
- Junction Type: Double Junction
- Mounting Options: In-Line (Insertion)
- ORP Range: -2000 to 2000 millivolts
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Description: pH & ORP (Redox) electrode, "TUFFTIP" bulb glass or flat glass or bulb glass, double or single junction, ½", ¾", 1" NPT, 10m cable with BNC connector
- Features: Temperature Sensor, Measures pH
- Junction Type: Single Junction, Double Junction, Other
- Mounting Options: In-Line (Insertion)
- Operating Pressure Range: 50.76 to 102 psi
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Supplier: Hach
Description: (No Suggestions); ISENH3181 is a digital, combination gas-sensing ammonia ion selective electrode (ISE) with a replaceable membrane module, refillable outer body, double junction reference and built-in temperature sensor. The Intellical ISENH3181 probe is available with a 1 or 3
- Built-in Temperature Sensor: Yes
- Electrode Configuration: Combination
- Electrode Membrane: Glass
- Electrode Type: Ammonia (NH3)
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Supplier: Telatemp Corporation
Description: replaceable sensor for easy maintenance. Double-junction electrode sensor handles wastewater and solutions containing sulfides, heavy metals, and TRIS. Electrode sensor offers a clog-resistant Kynar® junction and a recessed, glass pH bulb to protect against breakage. The
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Supplier: Hach
Description: 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
- Features: Measures ORP
- Junction Type: Double Junction
- Operating Pressure Range: Up to 100 psi
- Operating Temperature: 32 to 221 F
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Supplier: Microelectrodes, Inc.
Description: Penetrates through septum! Each combination pH electrode includes a bottle of reference solution.
- Body Material: Glass
- Electrode Configuration: Combination
- Junction Type: Double Junction
- Mounting Options: Hand Held or Portable
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Supplier: SWAN Analytical USA, INC.
Description: 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
- Body Material: Epoxy or Polymer
- Electrode Configuration: Combination
- Junction Type: Double Junction
- Mounting Options: Other
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Supplier: Emerson Automation Solutions – Rosemount
Description: have been incorporated to enable the sensor to typically withstand over 50 steam sterilization cycles. The 328A’s double junction reference cell resists the effects of electrode poisoning or fouling. Poisoning or fouling can occur when certain ions or substances such as
- Body Material: Glass
- Electrode Configuration: Combination
- Features: Temperature Compensated
- Junction Type: Double Junction
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Supplier: KROHNE Messtechnik
Description: Digital pH sensor. SMARTPAT analytical sensors from KROHNE are the first and only sensor line in the market with integrated transmitter technology. The complete circuitry is miniaturized and fits into the sensor head. This technical achievement cuts the price in half compared to all measurement
- Body Material: Glass
- Electrode Configuration: Combination
- Features: Temperature Compensated, Temperature Sensor
- Junction Type: Single Junction, Double Junction
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Supplier: Mettler-Toledo Technologies GmbH
Description: Parameters pH and Redox/ORP pH membrane glass type High Alkali glass (HA) Single or double junction Single Junction Refillable Sensor Length 150 mm Temperature Signal Digital Connection Type K8S Solution ground / Redox metal Platinum Dot Electrolyte 3M KCl pH range 0-14 p
- Body Material: Glass
- Electrode Configuration: Single Cell / No Reference
- Features: Food / Sanitary, Temperature Compensated
- Junction Type: Single Junction, Double Junction
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Supplier: Emerson Automation Solutions – Rosemount
Description: 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
- Body Material: Glass
- Features: Temperature Sensor, Temperature Compensated, Measures pH
- Junction Type: Double Junction
- Mounting Options: In-Line (Insertion)
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Supplier: Advanced Sensor Technologies, Inc.
Description: process industry through proprietary, novel, non-porous, cross-linked, conductive polymer technology; Available in double junction (standard) or triple junction (optional œTJ�) configurations Rugged industrial grade sensors can operate in a temperature range from -35 to 150
- Body Material: Epoxy or Polymer
- Features: Measures ORP
- Mounting Options: In-Line (Insertion)
- Operating Pressure Range: 200 psi
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Supplier: Advanced Sensor Technologies, Inc.
Description: process industry through proprietary, novel, non-porous, cross-linked, conductive polymer technology; Available in double junction (standard) or triple junction (optional œTJ�) configurations Rugged industrial grade sensors can operate in a temperature range from -35 to 150
- Body Material: Epoxy or Polymer
- Features: Measures pH
- Mounting Options: In-Line (Insertion)
- Operating Pressure Range: 100 psi
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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, ORP PROBE, GENERAL PURPOSE, DOUBLE JUNCTION, COMBINATION ELECTRODE, 3/4 INCH MNPT. FREE 2 YEAR RADWELL WARRANTY
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Supplier: OMEGA Engineering, Inc.
Description: displays the temperature comprehensively while manually compensating for its effects. Practicality, simplicity and comprehensive operating procedures in addition to an affordable price make this meter one of the most popular, basic pH meters available today. A rugged double-junction
- Display Type: Digital Display
- Mounting / Environment: Lab / Benchtop
- Operating Temperature: 32 to 122 F
- Temperature Compensation: Yes
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Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body BNC Connector, electrode L 110 mm | Sigma-Aldrich
Combination double junction electrodes are Tris compatible with a maximum temperature of 80°C, and are recommended for proteins, metal ions, sulfides or other substances that will react with either Ag or AgCl.
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http://rudar.ruc.dk//bitstream/1800/5087/13/Phd_Paul_Thorn.pdf
The double junction electrode will prevent contamination of the measured solution from the inner filling solution.
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ISA ADV PH MEAS CNTRL - Advanced pH Measurement and Control
Figure 4-1a shows the physical location of the potential (E1 – E2) and many extraneous potentials for a combination double junction electrode , which has a reference electrode as a concentric ring around the glass measurement electrode.
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Cole Parmer pH Electrodes for Field Use double junction 3 foot cable from Cole-Parmer
Double Junction Electrode .
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Handbook of Analytical Instruments, Second Edition > pH Meters and Ion Analyzers
The use of a double junction electrode with a second internal junction not containing KCl or a modified internal filling solution can be used.
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Ion selectivity of colicin E1: II. Permeability to organic cations
… the values given in Table 6 were obtained with calomel elec- trodes, since this was the type used in the bilayer measurements, whereas the entries in all the previ- ous tables were obtained using double junction elec- trodes filled with KNO 3.
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Embryo Culture
double junction electrode .
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Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body BNC connector, electrode L 55 mm | Sigma-Aldrich
Combination double junction electrodes are Tris compatible with a maximum temperature of 80°C, and are recommended for proteins, metal ions, sulfides or other substances that will react with either Ag or AgCl.
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Oakton benchtop pH 510 meter with pH electrode ATC probe and electrode holder 110 220 VAC from Cole-Parmer
We suggest using a double junction electrode with soil testing.
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Redox potential measurement in natural waters
The comparison of 4 series of 10 measurements with two Ag/ AgC1 double junction electrodes , one new and one old, with a period of use of 2 years, enable us to reach this conclusion.