Thermo Scientific ORP21A1A1 Differential ORP Sensor Head

Description:

The Thermo Scientific ORP21A1A1 Differential ORP Sensor is used for continuous oxidation-reduction potential (ORP) measurement in demanding industrial process and water treatment applications. Commonly installed in wastewater treatment plants, chemical processing facilities, pulp and paper mills, and industrial water monitoring systems. Maintenance teams, process engineers, water treatment technicians, and system integrators purchase this differential ORP sensor for routine replacement, preventive maintenance, and reliable online ORP monitoring.

Applications:

The Thermo Scientific ORP21A1A1 Differential ORP Sensor is designed for continuous ORP monitoring using differential electrode technology with a CPVC sensor body for enhanced chemical resistance. It is commonly used for wastewater treatment, disinfection control, metal finishing, bleaching processes, and industrial process water monitoring.

Technical Specifications:

• Manufacturer: Thermo Fisher Scientific
• Brand: Thermo Scientific
• Part Number: ORP21A1A1
• Product Type: Differential ORP Sensor
• Series: AquaSensors™
• Sensor Body Material: CPVC
• Measurement Parameter: Oxidation-Reduction Potential (ORP)
• Measurement Range: -2100 mV to +2100 mV
• Resolution: 0.1 mV
• Accuracy: 0.1% of Reading
• Sensor Technology: Differential Electrode Technique
• Process Connection: 1 in. NPT Threads (Both Ends)
• Temperature Range: -5 °C to 75 °C (CPVC Sensor Head)
• Maximum Pressure: 85 psig at 75 °C
• Maximum Flow Rate: 10 ft/sec
• Temperature Element: Available with NTC300 or PT1000 (configuration dependent)
• Ground Electrode: Titanium (Standard)
• Replaceable Salt Bridge: Yes
• Typical Applications: Wastewater treatment, disinfection control, metal finishing, bleaching pulp, and industrial process water monitoring
• Country of Manufacture: Not specified by the manufacturer.

Common Replacements:

• Thermo Scientific AquaSensors ASAPOR10 Differential ORP Sensor
• Thermo Scientific AquaSensors DataStick ORP Sensor
• Thermo Scientific AquaSensors AnalogPlus Differential ORP Sensor