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SKU: HH1000HH1000 General-Purpose pH Electrode Original price was: US$45.00.US$35.00Current price is: US$35.00.Select options
A cost-effective, durable pH electrode for general water, wastewater, aquaculture, and treatment equipment. The HH1000 combines a long-path reference system, reinforced glass membrane, IP68 ABS-GF housing, and dual 3/4″ NPT threads for flexible immersion or inline installation. Available with multiple temperature-sensor and material options.
Key Features:
- ABS + Glass Fiber housing for superior corrosion resistance
- IP68-rated for submersible operation
- Long-path reference system for stable signal output
- Reinforced pH-sensitive glass membrane
- Dual 3/4″ NPT threads for inline or submersible installation
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SKU: HH1000PHH1000P Low-Conductivity Water pH Electrode Original price was: US$205.00.US$154.00Current price is: US$154.00.Select options
A cost-effective, low-impedance pH electrode for clean water with conductivity from 20 to 300 μS/cm. The HH1000P combines an HL glass membrane, long-path reference system, IP68 ABS-GF housing, and dual 3/4″ NPT threads for immersion or inline monitoring of tap, surface, pool, circulating, and general-purpose purified water.
Key Features:
- Ideal for 20–300 μS/cm conductivity range
- IP68 waterproof for submersible use
- Long-path reference system ensures signal reliability
- Low-impedance pH membrane for fast, accurate readings
- Dual 3/4″ NPT threads for easy inline or submersible installation
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SKU: HH2000HH2000 Glass-Body General-Purpose pH Electrode Original price was: US$90.00.US$69.00Current price is: US$69.00.Select options
A cost-effective glass-body pH electrode for online water and wastewater measurement. The HH2000 combines a reinforced HC glass membrane, long-path reference system, ring-shaped PTFE junction, PG13.5 process connection, and customizable insertion lengths for integration into pipelines, immersion holders, and water-treatment equipment.
Key Features:
- Reinforced glass membrane for shock resistance
- Long-path reference system ensures long-term stability
- IP68-rated for submersible and inline use
- PTFE ring salt bridge delivers stable junction potential
- Accurate across the full 0–14 pH range
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SKU: HH2000PHH2000P Glass-Body Low-Conductivity Water pH Electrode Original price was: US$300.00.US$220.00Current price is: US$220.00.Select options
A configurable glass-body pH electrode for clean water with conductivity from 20 to 300 μS/cm. The HH2000P combines an HL low-impedance glass membrane, long-path reference system, ring-shaped PTFE junction, PG13.5 connection, and selectable insertion lengths for stable immersion or inline measurement.
Key Features:
- Optimized for low-conductivity media (20–300 μS/cm)
- Low-impedance membrane for fast, accurate response
- IP68-rated waterproof design for submersible and inline use
- Long-path reference for superior drift and contamination resistance
- PTFE ring-shaped salt bridge ensures stable junction in flow-through applications
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SKU: HH2100HH2100 Double-Junction pH Electrode for Fouling-Prone Wastewater Original price was: US$205.00.US$154.00Current price is: US$154.00.Select options
A robust glass-body pH electrode for wastewater and contaminated process liquids. The HH2100 combines a ring-shaped ceramic junction, double-junction reference system, and HA acid/alkali-resistant glass membrane to reduce sensitivity to junction contamination in suspended-solids and fouling-prone applications.
Key Features:
- Ring-shaped ceramic junction for anti-clogging
- Double-junction reference system for contamination resistance
- IP68 waterproof rating for submersion
- Reinforced pH-sensitive glass membrane
- Full-range pH measurement (0–14) with stable slope response
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SKU: HH2300HH2300 Ground-Glass Junction pH Electrode for Contaminated Process Liquids Original price was: US$220.00.US$167.00Current price is: US$167.00.Select options
A glass-body pH electrode for heavily contaminated wastewater and process liquids. The HH2300 combines a ground-glass junction, double-junction reference system, reinforced seals, and customizable PG13.5 construction to reduce susceptibility to junction blockage in particle-heavy and fouling-prone applications.
Key Features:
- Ground glass junction resists clogging and fouling
- Double-junction design ensures long-term signal stability
- Reinforced pH-sensitive glass membrane
- IP68 waterproof for continuous submersion
- Accurate full-range pH measurement (0–14)
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SKU: HH2300PHH2300P Ground-Glass pH Electrode for High-Purity Water Original price was: US$400.00.US$300.00Current price is: US$300.00.Select options
An ultra-low-impedance pH electrode for high-purity water with conductivity from 0.5 to 100 μS/cm. The HH2300P combines an HSL glass membrane, ground-glass junction, double-junction reference, and customizable PG13.5 construction for responsive online measurement in controlled low-conductivity water systems.
Key Features:
- Designed for ultra-pure water (0.5–100 μS/cm conductivity)
- Ground glass junction for stable ion exchange
- Ultra-low impedance membrane for rapid response
- IP68-rated for continuous immersion
- Double-junction reference system ensures long-term signal stability
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SKU: HH2500HH2500 Cylindrical-Membrane pH Electrode for Chemical Processes Original price was: US$485.00.US$360.00Current price is: US$360.00.Select options
A configurable process pH electrode for acidic, alkaline, and contaminated aqueous media. The HH2500 combines a large-area cylindrical HA glass membrane, double-junction reference system, multi-porous ceramic junction, and optional reinforced pressure construction for chemical processing, electroplating, and industrial wastewater applications.
Key Features:
- Pressure-resistant up to 6 Bar
- Acid/alkali-resistant cylindrical glass membrane
- Dual-junction system for superior anti-contamination
- Chemically inert to solvents and harsh chemicals
- IP68-rated for continuous submersion
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SKU: HH2500CHH2500C Water Online Process pH Sensor for Complex and Aggressive Process Electrode | Cylindrical Acid/Alkali-Resistant Glass Membrane Original price was: US$550.00.US$385.00Current price is: US$385.00.Select options
A configurable process pH electrode for chemically complex aqueous media containing high salinity, heavy metals, organic matter, ammonium, or proteins. The HH2500C combines an application-specific PCG electrolyte, double-junction reference, HA glass membrane, and multi-porous ceramic junction for challenging industrial processes and wastewater.
Key Features:
- Application-specific electrolyte for harsh media
- Dual-junction reference for high contamination resistance
- IP68 waterproof for continuous submersion
- Chemically resistant to heavy metals and proteins
- Durable reinforced membrane with full 0–14 pH range
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SKU: HH2500DHH2500D Water Online Process pH Electrode for Desulfurization & Denitrification Processes Electrode | Reinforced Cylindrical pH Glass Membrane |FGD/DeNOx Applications Original price was: US$600.00.US$429.00Current price is: US$429.00.Select options
A process pH electrode developed for contaminated FGD and exhaust-gas scrubbing liquids. The HH2500D combines a reinforced cylindrical HA glass membrane, sulfur-service SRG gel electrolyte, double-junction reference system, and configurable junction design for media containing suspended solids, metals, and sulfur compounds.
Key Features:
- PTFE junction resists clogging and contamination
- Synthetic gel electrolyte blocks sulfur ion interference
- Dual-junction reference system for long-term stability
- IP68 waterproof for full submersion
- Reinforced membrane for impact resistance and durability
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SKU: HH2500HFHH2500HF Water Online Process pH Electrode 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.Select options
A specialized process pH electrode for aqueous media containing hydrofluoric acid or fluoride. The HH2500HF combines an HF-resistant glass membrane, customized PCG electrolyte, dual-junction reference, and configurable porous-ceramic junction for semiconductor, metal-finishing, petrochemical, and industrial wastewater applications.
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
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SKU: HH2500PHH2500P Purified and Low-Conductivity Water Online Process pH Electrode | High Pressure Chemical Resistant Electrode | Low-Impedance Cylindrical pH Membrane Original price was: US$400.00.US$300.00Current price is: US$300.00.Select options
A robust, low-impedance pH electrode for clean water with conductivity from 20 to 300 μS/cm. The HH2500P combines a large-area cylindrical HL glass membrane, double-junction reference system, multi-porous ceramic junction, and customizable PG13.5 construction for responsive inline or immersion measurement.
Key Features:
- Designed for 20–300 μS/cm conductivity range
- Dual-junction reference system for extended lifespan
- IP68-rated for continuous submersion
- Low-impedance membrane for fast and accurate readings
- Durable cylindrical membrane resists mechanical stress
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SKU: HH2800HH2800 Water Online Process pH Electrode| High-Temperature Process Electrode | HT High-Temperature pH Membrane Original price was: US$400.00.US$300.00Current price is: US$300.00.Select options
The HH SCIENCE HH2800 is a high-temperature pH electrode built for chemical, biopharmaceutical, and industrial processes up to 150°C, featuring a specialized HT membrane and synthetic gel system designed for sterilization, pressure, and chemical resistance.
Key Features:
- Withstands temperatures up to 150°C
- Dual-junction design resists contamination
- Reinforced HT membrane for thermal and mechanical shock
- IP68-rated for immersion and pressurized systems
- Compatible with CIP/SIP and autoclave sterilization
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SKU: HH2800CHH2800C Water Online Process pH Electrode | Complex High-Temperature Process Electrode | HT High-Temperature pH Membrane Original price was: US$550.00.US$386.00Current price is: US$386.00.Select options
A configurable high-temperature pH electrode for chemically complex aqueous media containing high salinity, metals, organics, ammonium, or proteins. The HH2800C combines an HT glass membrane, application-specific SRG electrolyte, double-junction reference, and PG13.5 construction for processes operating at temperatures up to 130 °C.
Key Features:
- Withstands extreme high-temperature and chemical stress
- Customized electrolyte system for fouling-prone media
- Dual-junction structure enhances signal stability
- IP68 waterproof for immersion and inline use
- Excellent chemical resistance to acids, alkalis, and solvents
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SKU: HH2800LHH2800L Water Online Process pH Electrode | Low Temperature Medium Solution Electrode | LT Low-Temperature pH Membrane Original price was: US$400.00.US$300.00Current price is: US$300.00.Select options
A configurable pH electrode for cold aqueous process liquids operating down to −25 °C. The HH2800L combines a low-temperature PCG reference electrolyte, HA glass membrane, double-junction reference, and PG13.5 connection for refrigerated brines, compatible antifreeze solutions, cold surface water, and chemical processes.
Key Features:
- Reliable performance in temperatures as low as -25°C
- Dual-junction design resists contamination
- IP68-rated for immersion use
- Chemically resistant to strong acids, alkalis, and solvents
- Minimal temperature and signal drift over long-term operation
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SKU: HH2800PHH2800P Pure Water Online Process pH Electrode for High-Temperature & High-Pressure| Glass Body Electrodes | PTFE Double Junction Original price was: US$400.00.US$300.00Current price is: US$300.00.Select options
An ultra-low-impedance pH electrode for high-purity water with conductivity from 0.5 to 100 μS/cm and temperatures up to 130 °C. The HH2800P combines an HSL glass membrane, annular PTFE junction, low-viscosity SRG electrolyte, and double-junction reference for controlled high-temperature water systems.
Key Features:
- Designed for low-conductivity water (0.5–100 μS/cm)
- Withstands temperatures up to 130°C
- Dual-junction system for extended stability
- IP68-rated waterproof for submersion
- Reinforced membrane for impact durability and fast response
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SKU: HH4400HH4000 ORP Sensor Electrode| Glass Body Electrodes | 99% High-Purity Platinum Ring | Interface-compatible with Mettler Toledo ORP Models Original price was: US$300.00.US$220.00Current price is: US$220.00.Select options
A durable process ORP electrode for oxidation-reduction potential measurement from −2000 to +2000 mV. The HH4000 combines a large-area 99.99% platinum ring, double-junction reference system, glass housing, and customizable PG13.5 construction for chemical processing, industrial wastewater, and equipment integration.
Key features
- Large-area 99.99% platinum-ring measuring element
- Wide −2000 to +2000 mV measurement range
- Double-junction reference system
- Operation at temperatures up to 130 °C
- PG13.5 connection with customizable insertion lengths
- Optional ceramic-junction and cable configurations
