Digital pH & pCO₂ Transmitter
The Metroglas OEM Digital Transmitter is a compact, high-performance compact printed circuit board (PCB) designed for precise pH and pCO₂ measurement in process analytics and lab applications. Engineered for seamless integration into pH meters, benchtop control, and custom analytical systems, it enables smarter system design with maximum flexibility.
Whether embedded directly into the sensor head for fully integrated designs or deployed remotely in an external housing, this transmitter supports adaptable architectures tailored to your application.
Design smarter, integrate faster.
Built for modern OEM applications, this transmitter goes beyond standard signal amplification. It delivers accurate pH and pCO₂ calculations with temperature compensation, combined with continuous online diagnostics that ensures stable and reliable measurements.
With its small footprint, low power consumption, and extensive parameter settings, the transmitter can be configured precisely to match your specific process requirements, making it ideal for next-generation pH meters and analytical devices.
Advanced Performance & Online Diagnostics
Ensure reliable operation with built-in continuous online sensor diagnostics, including:
- Glass resistance monitoring
- Glass break detection
- Reference resistance tracking
These diagnostics provide valuable insights into measurement stability and support optimized process control without interrupting operations.
Key Benefits
- Integrated pH and pCO₂ calculation algorithms for accurate, real-time measurements
- Easy system integration with enhanced compatibility, supporting RS-485/Modbus and UART interfaces
- Improved process control through drift and measurement stability monitoring
- User guidance and support via integrated calibration procedures with automatic buffer recognition and temperature compensation
- Full traceability through unique sensor identification based on serial number and stored calibration history
- Highly configurable with a wide range of parameter settings for custom application requirements
- Compact design with low power consumption, ideal for embedded systems and portable pH meters
Explore Our Digitalization Solutions
Compact, intelligent signal processing for advanced chemical and bioprocess systems and lab applications
Digital pH & pCO₂ Transmitter
Digitalization Module for in-line pH and pCO₂ Measurements
UART
RS-485
or 3.3 V TTL UART
Temp.: -50 to 200°C
pH potential: -2000 to 2000 mV
Potting is recommended to ensure proper performance in high humidity environments.
pH potential (glass / reference)
Pt1000 temperature sensor
Ground electrode contact
1.0 s in PROCESS mode