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SKU: HH2000HH SCIENCE HH2000 Online Process pH Sensor Original price was: US$90.00.US$69.00Current price is: US$69.00.Select options
The HH SCIENCE HH2000 is a durable, cost-effective glass-body pH electrode designed for precise, stable measurements in water and wastewater applications, with industrial-grade reliability and enhanced mechanical resilience.
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: HH2000PHH SCIENCE HH2000P Pure Water Online Process pH Sensor | Glass Body Electrodes Original price was: US$300.00.US$220.00Current price is: US$220.00.Select options
The HH SCIENCE HH2000P is a high-precision, low-impedance pH electrode engineered for stable and accurate measurement of purified water in low-conductivity environments, combining laboratory-grade sensitivity with industrial durability.
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: HH2100HH SCIENCE HH2100 Water Online Process pH Sensor | Glass Body Electrodes | Ceramic Double Junction | Anti-Fouling | Clog-Resistant | Longevity Original price was: US$205.00.US$154.00Current price is: US$154.00.Select options
The HH SCIENCE HH2100 is a high-performance pH electrode designed for extreme wastewater environments, featuring a clog-resistant ceramic junction, double-junction reference system, and reinforced glass membrane for long-term durability and reliability.
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: HH2300HH SCIENCE HH2300 Water Online Process pH Sensor | Glass Body Electrodes | Ground Glass Double Junction | Anti-Fouling Original price was: US$220.00.US$167.00Current price is: US$167.00.Select options
The HH SCIENCE HH2300 is a premium pH electrode featuring a ground glass junction and double-junction reference system for advanced anti-fouling performance in chemically aggressive and high-contamination process environments.
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: HH2300PHH SCIENCE HH2300P Ultra-Pure Water Online Process pH Sensor | Glass Body Electrodes | Ground Glass Double Junction | Anti-Fouling Original price was: US$400.00.US$300.00Current price is: US$300.00.Select options
The HH SCIENCE HH2300P is a precision-engineered pH electrode with a ground glass junction and ultra-low impedance membrane, delivering fast and accurate measurements in ultra-pure and low-conductivity water environments.
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: HH2500HH SCIENCE HH2500 Water Online Process pH Sensor High Pressure Chemical Resistant Electrode | Cylindrical Acid/Alkali-Resistant Glass Membrane Original price was: US$485.00.US$360.00Current price is: US$360.00.Select options
The HH SCIENCE HH2500 is a high-performance pH electrode with a reinforced cylindrical glass membrane and dual-junction pressure-resistant design, engineered for accurate measurement in aggressive chemical and high-pressure process environments.
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: HH2500CHH SCIENCE HH2500C 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
The HH SCIENCE HH2500C is a high-performance pH electrode engineered for extreme industrial process conditions, featuring application-specific electrolytes and reinforced construction for stable, accurate measurement in chemically complex and contamination-prone environments.
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: HH2500DHH SCIENCE HH2500D Water Online Process pH Sensor Solution 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
The HH SCIENCE HH2500D is a specialized pH electrode for flue gas desulfurization (FGD) and denitrification (DeNOx) systems, featuring a synthetic gel electrolyte, PTFE junction, and reinforced design for stable performance in sulfur-rich, high-temperature, and high-pressure environments.
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: HH2500HFHH 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.Select options
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
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SKU: HH2500PHH SCIENCE HH2500P Pure Water Online Process pH Sensor 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
The HH SCIENCE HH2500P is a precision-engineered pH electrode optimized for clean and pure water applications, featuring a low-impedance cylindrical membrane and dual-junction design for high measurement accuracy, rapid response, and mechanical durability.
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: HH2800HH SCIENCE HH2800 Water Online Process pH Sensor 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: HH2800CHH SCIENCE HH2800C Water Online Process pH Sensor 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
The HH SCIENCE HH2800C is a high-temperature pH electrode engineered for chemically complex environments, featuring media-specific electrolyte customization and enhanced anti-fouling capabilities for stable performance in high-salinity, high-protein, and heavy metal conditions.
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: HH2800LHH SCIENCE HH2800L Water Online Process pH SensorLow 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
The HH SCIENCE HH2800L is a pH electrode designed for stable and accurate performance in low-temperature conditions down to -25°C, combining a cold-resistant electrolyte with dual-junction protection and mechanical durability for laboratory, chemical, and refrigerated applications.
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: HH2800PHH SCIENCE HH2800P Pure Water Online Process pH Sensor 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
The HH SCIENCE HH2800P is a high-temperature pH electrode optimized for pure water applications, combining low-conductivity measurement capability with durable construction and enhanced thermal resistance up to 130°C.
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: HH4400HH SCIENCE HH4000 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
The HH SCIENCE HH4000 is a high-performance industrial ORP electrode with a large-area platinum ring and dual-junction reference, offering stable potential measurements across a wide range of chemical and wastewater applications, even under high-temperature conditions.
Key Features:
- Wide-range ORP measurement capability
- Dual-junction design for enhanced stability and lifespan
- IP68-rated for continuous immersion
- Large 99.99% platinum ring ensures stable redox potential
- High-temperature resistant and process-compatible
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SKU: HH4500HH SCIENCE HH4500 Conductivity Electrode| 316L Stainless Steel Body | Two-Electrode Design US$180.00Select options
The HH SCIENCE HH4500 is a high-precision 2-electrode conductivity sensor made from 316L stainless steel, designed for reliable measurement of ultra-low to medium conductivity water across a wide range of process and environmental applications.
Key Features:
- Measures conductivity from 0–20,000 μS/cm
- Durable all-316L stainless steel body
- IP68 waterproof and pressure-resistant
- Multiple cell constants for flexible measurement ranges
- Fast response with stable and accurate readings
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SKU: HH5200iHH SCIENCE HH5200i Conductivity Electrode| Two-Electrode Graphite Digital Conductivity Sensor US$180.00Select options
The HH SCIENCE HH5200i is a digital two-electrode conductivity sensor with an integrated microprocessor and graphite sensing element, offering direct RS485 output, high chemical resistance, and reliable measurement across a broad conductivity range.
Key Features:
- Wide-range conductivity measurement
- Built-in microprocessor with RS485 Modbus output
- Graphite electrode for acid/alkali corrosion resistance
- No need for multiple cell constants
- IP68 waterproof and submersible
- G3/4 threaded body for inline or immersion use
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SKU: HH5400iHH SCIENCE HH5400i Conductivity Electrode| Four-Electrode Graphite Digital Conductivity Sensor US$180.00Select options
The HH SCIENCE HH5400i is a digital four-electrode conductivity sensor with integrated RS485 output and Hastelloy electrodes, designed for high-precision conductivity monitoring across corrosive, high-range industrial and environmental applications.
Key Features:
- Wide conductivity range: 0–500 mS/cm
- Four-electrode Hastelloy front end for superior corrosion resistance
- Direct RS485 Modbus output with built-in microprocessor
- No need for external transmitters or cell constant selection
- IP68-rated for submersion and harsh environments
- G3/4 thread for inline or pipe-mounted installation
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SKU: HH6000HH SCIENCE HH6000 Dissolved Oxygen Electrode| DO Electrode Maintenance-Free |Acid/Alkali Resistance US$150.00Select options
The HH SCIENCE HH6000 is a maintenance-free dissolved oxygen electrode with solidified gel electrolyte and full stainless steel housing, designed for long-term operation in wastewater, aquaculture, and municipal systems without the need for membrane or electrolyte replacement.
Key Features:
- Maintenance-free solidified gel electrolyte
- Mesh membrane design resists air bubble impact
- Fully stainless steel construction for durability
- IP68 waterproof rating for continuous submersion
- Acid and alkali corrosion resistance
- PG13.5 threaded for easy process installation
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SKU: HH6100HH SCIENCE HH6100 Fluorescence Dissolved Oxygen Electrode| DO Electrode High Resistance to Corrosion and Abrasion US$150.00Select options
The HH SCIENCE HH6100 is a high-performance fluorescence dissolved oxygen electrode with a long-life optical cap and zero-calibration design, delivering accurate, maintenance-free measurement in demanding aquatic and wastewater environments.
Key Features:
- Fluorescence-based DO measurement, no calibration required for one year
- Long-lasting optical sensing cap
- Resistant to acid, alkali, and high salinity
- Durable POM housing with IP68 waterproof rating
- High stability in diverse working conditions
- Designed for submersion and continuous monitoring
