HH 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.
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
The HH SCIENCE HH2500P is a high-precision, durable pH electrode specifically designed for clean and purified water applications, including tap water, surface water, secondary supply systems, and pool water monitoring. It combines the performance of laboratory-grade sensors with the ruggedness of industrial-grade electrodes.
At the core of its design is a low-impedance cylindrical pH-sensitive membrane, which delivers rapid response, excellent accuracy, and mechanical durability. The membrane structure also makes it highly resistant to mechanical impact, while ensuring stable readings in low-conductivity environments.
Internally, the HH2500P features a dual-junction reference system, which enhances electrode longevity by resisting contamination and reference poisoning. It is also rated IP68 waterproof, making it suitable for submersible or inline installations in both fixed and portable water systems.
Whether monitoring a recirculating system or analyzing municipal tap water, the HH2500P offers dependable, long-lasting pH measurement performance.
Key Features
- Optimized for Low-Conductivity Water (20–300 μS/cm): Engineered to maintain accuracy in purified, clean, and low-ionic-strength solutions.
- Dual-Junction Reference Structure: Provides long-term stability and resistance to reference poisoning, minimizing drift in extended deployments.
- IP68 Waterproof Rating: Ensures reliable, leak-free submersible operation in pools, tanks, or inline water lines.
- Low-Impedance Cylindrical pH Membrane: Offers fast response times and consistent accuracy with excellent mechanical impact resistance.
- Industrial-Lab Hybrid Design: Balances fast reaction speed, long life, and high durability, making it ideal for semi-critical and general monitoring scenarios.
Optional Upgrades
- Custom Insertion Depths: Adjust the electrode’s length to suit pipeline, tank, or flow cell installations.
- Junction Configuration: Upgrade from single-point ceramic to dual- or triple-point setups for enhanced junction stability.
- Cable & Connector Formats: Fully customizable cable types and industrial-grade connector options available.
- Extended Cable Length: Cable extendable up to 60 meters for remote sensor placement or large system integration.
Typical Applications
- Purified and filtered water systems in residential or commercial setups
- Municipal and industrial tap water quality monitoring
- Swimming pool and spa water management
- Environmental surface water analysis and regulation
- Secondary supply and distributed water networks
- Recirculating and cooling water systems in HVAC or industrial applications
| Measuring Range | 0–14 pH |
| Temperature Range | 0–100 °C |
| Pressure Range | 0–3 Bar (up to 6 Bar max with reinforced setup) |
| Temperature Compensation Options | NTC 2.252K, NTC 5K, NTC 10K, NTC 22K, NTC 30K, PT100, PT1000 (optional) |
| Factory Calibrated Slope | Better than 95% |
| Membrane Resistance | < 100 MΩ |
| Zero Potential (E₀) | < ±10 mV |
| Response Time | < 10 seconds |
| Salt Bridge Type | Special multi-porous ceramic junction |
| Reference Electrolyte | PCG polymer gel (low-viscosity standard type) |
| Reference System | Double-junction reference system |
| Process Connection | PG13.5 threaded connector |
| Housing Material | Glass body |
| Insertion Lengths (Customizable) | 120 / 150 / 225 / 325 / 425 mm |
| pH Sensitive Membrane | HL (Low-impedance membrane) |
| Cable Connections (Customizable) | S8, S8M, S7, VP8, K8S, K2 |
| 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 |
Related Products
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
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
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
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