HH SCIENCE HH2500HF Water Online Process pH Sensor Solution for Hydrofluoric Acid Applications Electrode | HF-Resistant Glass Membrane |Reinforced Cylindrical pH Glass Membrane
Original price was: US$400.00.US$300.00Current price is: US$300.00.
The HH SCIENCE HH2500HF is a high-performance pH electrode built for hydrofluoric acid environments, featuring a specialized HF-resistant glass membrane that withstands up to 5000 ppm HF while delivering superior accuracy and service life in semiconductor, steel, and chemical processing industries.
Key Features:
- HF-resistant membrane handles up to 5000 ppm HF
- Dual-junction system resists contamination and drift
- IP68-rated for continuous submersion
- Reinforced membrane offers excellent mechanical strength
- Long-term stability in harsh acid process environments
The HH SCIENCE HH2500HF pH electrode is purpose-engineered for highly corrosive hydrofluoric acid (HF) applications, offering exceptional accuracy and long-term operational stability where conventional sensors rapidly degrade. It features a custom HF-resistant glass membrane, capable of withstanding up to 5000 ppm of HF, significantly outperforming both traditional HF-resistant glasses and antimony-based electrodes in chemical resistance, signal reliability, and response speed.
Internally, the electrode utilizes a dual-junction reference system, which enhances resistance to contamination and reference poisoning—critical in complex media with mixed acid or metal components. Combined with a reinforced membrane structure and IP68-rated waterproof housing, the HH2500HF is engineered to withstand rugged submersion and inline process conditions.
Designed for semiconductor manufacturing, steel wastewater monitoring, petrochemical acid lines, and electronics finishing, the HH2500HF delivers unmatched HF resistance without sacrificing measurement precision or lifespan.
Key Features
- HF-Resistant Glass Membrane: Tolerates hydrofluoric acid concentrations up to 5000 ppm, significantly extending electrode lifespan in high-corrosion applications.
- Dual-Junction Reference Structure: Ensures long-term signal stability and protection from electrolyte poisoning in chemically aggressive media.
- IP68 Waterproof Construction: Enables safe and consistent performance in submerged or inline installations, including acid baths and drain systems.
- Reinforced pH Membrane Design: Provides outstanding mechanical shock resistance, ideal for industrial environments with agitation or fluid turbulence.
- Superior Measurement Stability: Delivers high-accuracy pH readings in environments where standard or antimony-based sensors fail prematurely.
Optional Upgrades
- Custom Insertion Depths: Available to match installation geometry, tank depth, or pipeline specifications.
- Junction Customization: Upgrade from single-point ceramic to dual/triple-point or PTFE ring-style junctions for enhanced anti-clogging and performance.
- Custom Reference Electrolytes: Adaptable to meet complex chemical matrix demands.
- Cable & Connector Formats: Compatible with S8, S8M, S7, VP8, K8S, K2, and other industrial connectors.
- Extended Cable Length: Cable extendable up to 60 meters for remote or hard-to-reach installations.
Typical Applications
- Semiconductor Wet Etching & Rinse Systems
- Petrochemical Process Acid Streams
- Steel and Metal Surface Wastewater Treatment
- Electroplating and Precision Electronics Manufacturing
- HF-Rich Industrial Cleaning and Degreasing Systems
| Measurement Range | 0 to 14 pH |
| Temperature Range | 0 to 100°C |
| Pressure Range | 0 to 3 Bar (maximum 6 Bar) |
| Temperature Compensation Options | NTC 2.252K, NTC 5K, NTC 10K, NTC 22K, NTC 30K, PT100, PT1000 |
| Factory Calibrated Slope | Better than 95% |
| Membrane Resistance | <250 MΩ |
| Zero Potential | <±10 mV |
| Junction Type | Special porous ceramic junction |
| Reference Electrolyte | PCG polymer gel (custom formulation) |
| Reference System | Dual junction reference |
| Threaded Connection | PG13.5 |
| Body Material | Glass |
| Insertion Depth Options | 120 / 150 / 225 / 325 / 425 mm (customizable) |
| pH Sensing Membrane | HF-resistant glass membrane (HF) |
| Cable Connection Types | S8, S8M, S7, VP8, K8S, K2 (customizable) |
| Weight | 0.3 kg |
|---|---|
| Dimensions | 20 × 6 × 6 cm |
| Junction (Salt Bridge Type) | PTFE, Ceramic Junction |
| Measurement | pH, ORP |
| Temperature Compensation Options | NTC 2.252K, NTC 5K, NTC 10K, NTC 22K, NTC 30K, PT100, PT1000 |
| Cable Connection | Integrated direct-connection cable, S8, S8M, S7, K8S, VP4, VP, K2, K9, 4 PIN |
| Application | Aquaculture & Aquarium, Environmental Monitoring, Food & Beverage, Hydroponics & Agriculture, Industrial Water & Wastewater Treatment, Laboratory & Analytical, Metallurgy & Mining, Municipal Water & Wastewater Treatment, Pool & Spa |
| Parameters | pH |
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