Hach pHD sc Online Process Digital pH Sensor
The Hach pHD sc (Model DPD1P1) is a high-performance, industrial-grade digital pH sensor designed for continuous online monitoring. Unlike standard pH probes, this sensor utilizes Hach’s patented Differential Electrode Measurement Technique. By using three electrodes instead of two, it eliminates ground loop problems and provides unsurpassed accuracy and reliability in demanding process environments.
This “sc” model features integrated digital electronics, allowing for Plug and Play compatibility with Hach’s digital controllers (SC200, SC1000, etc.).
⚠️ Condition Note
Status: Used unit.
Important: Please review all provided pictures to assess the physical condition of the sensor body and cable. As a used electrochemical sensor, the salt bridge or internal buffer may require maintenance or replacement for optimal performance.
Key Performance Features
Differential Technology: Uses a process electrode, a reference electrode, and a third ground electrode to significantly reduce measurement drift and interference.
PEEK Body Material: Constructed from high-durability PEEK (Polyetheretherketone), providing excellent chemical resistance for general-purpose and aggressive applications.
Low Maintenance: Features a double junction salt bridge that creates a barrier to contamination, extending the time between service intervals.
Replaceable Components: The salt bridge and protector are replaceable, allowing you to extend the working life of the sensor without replacing the entire digital assembly.
Built-in Preamp: Includes an encapsulated preamplifier to ensure signal integrity over long cable distances, resisting humidity and electrical noise.
Convertible Mount: Designed for versatile installation, supporting tee-mount, immersion, or union mounting configurations.
Product Specifications
| Feature | Details |
| Manufacturer | Hach |
| Part Number (MPN) | DPD1P1 |
| Measurement Method | Differential (Three-Electrode) |
| Body Material | PEEK |
| Electrode Material | Glass |
| Mounting Style | Convertible (1-inch NPT) |
| Sensor Type | Digital “sc” Series |
| Communication | Plug and Play with Hach SC Controllers |
All duties are paid by DeluxxDeals. No surprise charges!
Operation & Intelligence
Claros Enabled: This sensor can integrate with Hach’s Claros Water Intelligence System, providing seamless data management and operational insights.
Temperature Compensation: Features an integrated NTC 300 $\Omega$ thermistor for automatic temperature compensation to ensure pH accuracy across varying thermal conditions.
