Description
FOXBORO D0149PC pH Electrode
Product Dimensions:
Foxboro pH Electrodes (by Schneider Electric) are heavy-duty, industrial-grade electrochemical sensors engineered for continuous online measurement of pH and ORP (Oxidation-Reduction Potential) across aggressive chemical processing, water treatment, and manufacturing environments.
Detailed Product Overview
Foxboro pH electrodes utilize specialized glass formulations, robust body construction (PVDF/PTFE or stainless steel), and integrated internal reference systems to withstand high temperatures, high pressures, and corrosive chemical streams. Popular models—such as the 871PH and PH10 (Dolphin Series)—feature field-replaceable electrode tips, modular preamble electronics, and intelligent digital signal conditioning to prevent signal degradation over long cable runs.
| Parameter | Standard Range / Specification |
| Measurement Range | 0 to 14 pH (Standard) / -2000 to +2000 mV (ORP) |
| Operating Temperature | -5°C to 121°C (23°F to 250°F) |
| Operating Pressure | Up to 10 bar (150 psi) at ambient temperatures |
| Body Materials | PVDF (Kynar), PEEK, 316L Stainless Steel, or Titanium |
| Reference System | Double junction (Ag/AgCl) with non-fouling ceramic/PTFE junction |
| Temperature Compensation | Integrated 100 Ω RTD, 1000 Ω RTD, or 3 KΩ thermistor |
| Output / Protocol | Analog (mV / 4–20 mA) or Digital (HART / Foxboro Smart) |
Key Advantages
- Field-Replaceable Tips: Lower lifecycle costs by allowing operators to swap damaged glass electrodes or reference junctions without replacing the entire sensor body.
- Fouling Resistance: Large-area, non-clogging ceramic or porous PTFE junctions prevent reference junction poisoning in slurry and oily applications.
- Integrated Preamplifier: Internal signal boosting eliminates noise susceptibility, permitting cable extensions up to 150 meters (500 feet) to the transmitter.
- Severe Duty Glass Options: Offers high-pH/low-sodium glass, chemical-resistant glass, and ruggedized flat-glass options for high-solid applications.
Precautions & Best Practices
- Hydration Storage: Never allow the glass bulb or reference junction to dry out. Always store the sensor in a 4.0 pH buffer or KCl storage solution when offline.
- Regular Calibration: Perform routine 2-point buffer calibrations (pH 4.0, 7.0, or 10.0) depending on process operating ranges to correct for zero offset and slope drift.
- Thermal Shock Avoidance: Avoid subjecting cold sensors to sudden high-temperature processes (>40°C temperature jumps) to prevent glass thermal cracking.
- Chemical Compatibility: Ensure seal material selection (FKM, EPDM, or Kalrez O-rings) matches the chemical composition of your process media.
Industrial Applications
- Chemical & Petrochemical Processing: Neutralization tanks, reactor vessel monitoring, and acid/alkali concentration control.
- Water & Wastewater Treatment: Influent/effluent monitoring, flocculation control, and industrial discharge compliance.
- Pulp & Paper: Bleach plant monitoring, liquor processing, and wastewater treatment loops.
- Power Generation: High-purity boiler feedwater monitoring and flue-gas desulfurization (FGD) scrubbers.
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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