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Description: Walchem’s WEL Series electrodes are cost-effective differential pH and ORP electrodes for industrial applications. They are modular in design with a rugged CPVC housing that contains the electronics; pH and ORP cartridges can easily be connected or replaced in
- Body Material: Epoxy or Polymer
- Electrode Configuration: Combination
- Features: Measures ORP, Submersible / Water Resistant, Temperature Compensated
- Junction Type: Single Junction
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Supplier: Cole-Parmer
Description: • Unsurpassed accuracy with differential measurement technique—three electrodes instead of the normal two in conventional pH sensors • Greater reliability resulting in less downtime and maintenance • Replaceable salt bridge
- Operating Temperature: 23 to 203 F
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Supplier: Hach
Description: Hach pHD Process pH Sensors for use with Hach's Digital sc Controllers and Digital Gateway. The inline process pH sensors feature exceptional performance due to the Differential Electrode Measurement Technique. This field-proven technique uses three electrodes
- Body Material: Epoxy or Polymer
- Features: Submersible / Water Resistant
- Mounting Options: In-Line (Insertion)
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Supplier: Hach
Description: Hach pHD sc Process pH Sensors with Integrated Digital Electronics for Plug and Play Capability with Hach's Digital SC Controllers. The inline process pH sensors feature exceptional performance due to the Differential Electrode Measurement Technique. This field-proven
- Body Material: Epoxy or Polymer, Other
- Mounting Options: In-Line (Insertion)
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Supplier: Cole-Parmer
Description: • Unsurpassed accuracy with differential measurement technique—three electrodes instead of the normal two in conventional pH sensors • Greater reliability resulting in less downtime and maintenance • Replaceable salt bridge
- Operating Temperature: 23 to 203 F
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Supplier: Cole-Parmer
Description: • Unsurpassed accuracy with differential measurement technique—three electrodes instead of the normal two in conventional pH sensors • Greater reliability resulting in less downtime and maintenance • Replaceable salt bridge
- Operating Temperature: 23 to 203 F
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Supplier: Hach
Description: LCP (Liquid Crystal Polymer), Convertible Mounting Style, 4.5m Analog Cable, 5-Wire with Built-In Preamplifier, General Purpose Glass pH Electrode Exceptional Performance with the Differential Electrode Measurement Technique Lower Maintenance Needs with the Replaceable
- Body Material: Glass, Epoxy or Polymer
- Features: Submersible / Water Resistant
- Junction Type: Double Junction
- Mounting Options: In-Line (Insertion)
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Description: 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
- Body Material: Epoxy or Polymer
- Electrode Configuration: Combination
- Features: Measures ORP, Submersible / Water Resistant
- Junction Type: Double Junction
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Supplier: Hach
Description: ORP Sensors with Integrated Digital Electronics for Plug and Play Capability with Hach's Digital SC Controllers. Available in PEEK, Ryton, or Stainless Steel body materials and in multiple mounting styles. The Sensors feature exceptional performance due to the Differential Electrode
- Body Material: Epoxy or Polymer, Other
- Mounting Options: In-Line (Insertion)
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Supplier: Advanced Sensor Technologies, Inc.
Description: 1000 Temperature Compensation (TC) Element and 4 each Ultra-Thick 3.0mm (0.12") Protective Tines to avoid pH glass breakage in handling and field use Universal and 5-wire differential preamplifier configurations of ZEUS„¢ pH sensors include Solution Ground Liquid Earth with
- Body Material: Epoxy or Polymer
- Mounting Options: In-Line (Insertion)
- Operating Pressure Range: 200 psi
- Operating Temperature: 5 to 302 F
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Description: The WPH410/420 Series pH/ORP on-line process controllers are designed for a broad range of industrial, commercial, and municipal water treatment applications. WPH controllers are easily configured to accurately measure pH or mV (ORP) values from Walchem’s WEL and WDS differential
- Control Signal Output: Switch / Relay Output
- Control Technique: Limit / Set Point Control
- Controller Inputs: DC Voltage Input
- Form Factor: Panel / Chassis Mount
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Supplier: Eutech Instruments Pte. Ltd.
Description: ClassificationDifferential ORPSensorPlatinumORP Range±1000 mVReferenceKynar®, differential pH electrodeReference ElectrolytepH buffer solutionOperating Temperature-5 to 95 °C / 23 to 203 ºFPressure Tolerance6.9 bars (100
- Electrode Configuration: Single Cell / No Reference
- Mounting Options: In-Line (Insertion)
- ORP Range: -1000 to 1000 millivolts
- Operating Pressure Range: 100 psi
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Supplier: OMEGA Engineering, Inc.
Description: The pHACT is a Fast Acting pH Sensor, with a built-in differential amplifier and 100 ohms ATC sensor that provides a compensated output compatible with any pH meter. It is an ideal solution for ground loop problems, since it has a built-in solution ground and low impedance
- Body Material: Glass
- Electrode Configuration: Combination
- Junction Type: Other
- Mounting Options: In-Line (Insertion)
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Supplier: Advanced Sensor Technologies, Inc.
Description: ASTI offers unique solutions for process measurement problems. Features and options are itemized below: Leading novel and proprietary solid-state industrial pH sensor & ORP sensor design and technology combined with built-to-order extensively configurable manufacturing
- Body Material: Epoxy or Polymer
- Features: Measures ORP
- Mounting Options: In-Line (Insertion)
- Operating Pressure Range: 100 psi
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Supplier: Advanced Sensor Technologies, Inc.
Description: ASTI offers unique solutions for process measurement problems. Features and options are itemized below: Leading novel and proprietary solid-state industrial pH sensor & ORP sensor design and technology combined with built-to-order extensively configurable manufacturing
- Body Material: Epoxy or Polymer
- Features: Measures ORP, Submersible / Water Resistant
- Mounting Options: In-Line (Insertion), Flow Thru (Pipeline), Other
- Operating Pressure Range: 150 psi
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Supplier: Advanced Sensor Technologies, Inc.
Description: ASTI offers unique solutions for process measurement problems. Features and options are itemized below: Leading novel and proprietary solid-state industrial pH sensor & ORP sensor design and technology combined with built-to-order extensively configurable manufacturing
- Body Material: Epoxy or Polymer
- Features: Measures ORP
- Mounting Options: In-Line (Insertion)
- Operating Pressure Range: 100 to 200 psi
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Description: 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
- Display Type: None
- Electrical Output: Analog Voltage Output
- Measures ORP / Redox: Yes
- ORP / Redox Range: -2000 to 2000 millivolts
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Supplier: SWAN Analytical USA, INC.
Description: : 0.055µS/cm to 30 mS. Calculation of pH value and alkalizing reagent concentration based on differential conductivity. Connections for two 2-electrode conductivity sensors with integrated Pt1000 temperature probe (e.g. Swansensor UP-Con1000) and for a digital SWAN sample flow
- Accuracy: -0.0100 to 0.0100 ±pH
- Control Relays: 2
- Display Type: Digital Display
- Electrical Output: Analog Current Output
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Supplier: Analytical Technology, Inc.
Description: the sensors are constructed with a second glass pH electrode as the reference element. The glass reference system protects the sensor from chemical poisons (sulfide, cyanide, chlorine, bisulfite, etc.) that destroy conventional pH sensors. A large volume, dual junction
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Supplier: Analytical Technology, Inc.
Description: . Fluoride ISE sensors measure F-ion in solution the same way that a pH sensor measures hydrogen ions. A lanthanum fluoride crystal on the tip of the sensor develops a voltage that is proportional to fluoride ion activity. An integral reference electrode is used as a comparator to
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Process/Industrial Instruments and Controls Handbook, Fifth Edition > pH MEASUREMENT: THEORY AND REALITY
Great Lakes Instruments patented a differential pH electrode , using a second glass measurement electrode (behind a double junction) in a buffer solution for the reference electrode as shown in Fig. 25.
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NASA Tech Briefs, October 2007
Topics covered include; Wirelessly Interrogated Position or Displacement Sensors; Ka-Band Radar Terminal Descent Sensor; Metal/Metal Oxide Differential Electrode pH Sensors; Improved Sensing Coils for SQUIDs; Inductive Linear-Position Sensor/Limit-Sensor Units; Hilbert-Curve Fractal Antenna With Radiation- Pattern Diversity; Single-Camera…
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Lactic bulk culture system utilizing a whey-based bacteriophage inhibitory medium and pH control. I. Applicability to American style cheese.
Differential pH electrode systems with built-in transmitters were remarkably stable even though subjected to normal heating and cooling of the substrate.
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Physical Sciences :: NASA Tech Briefs
Metal/Metal Oxide Differential Electrode pH Sensors .
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Measuring β-Galactosidase activity at pH 6 with a differential pH sensor
The kinetics in the differential pH electrodes was monitored for 200 sec at 37ºC.
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Electronic Journal of Biotechnology - Measuring b-Galactosidase activity at pH 6 with a differential pH sensor
The kinetics in the differential pH electrodes was monitored for 200 sec at 37ºC.
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Measuring β-Galactosidase activity at pH 6 with a differential pH sensor | Acevedo | Electronic Journal of Biotechnology
The kinetics in the differential pH electrodes was monitored for 200 sec at 37ºC.
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Physical Sciences :: NASA Tech Briefs
Metal/Metal Oxide Differential Electrode pH Sensors .
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Physical Sciences :: NASA Tech Briefs
Metal/Metal Oxide Differential Electrode pH Sensors .