Hamilton EasyFerm Plus ORP Arc 325 Combination pH and ORP Sensor with Modbus Output

The Hamilton EasyFerm Plus ORP Arc 325 is a high-precision electrochemical sensor designed for simultaneous pH and oxidation-reduction potential (ORP) measurement in laboratory and bioprocess environments. Utilizing a combination electrode principle, it offers a full pH range of 0 to 14 with a sensitivity of 57 to 59 mV/pH at 25 °C, ensuring accurate chemical analysis critical in molecular diagnostics, bioprocessing, and synthetic biology research.

Key technical features include:

• Sensor output via Modbus and 4 to 20 mA current loop, allowing seamless integration with digital data acquisition and process control systems used in biomanufacturing pipelines.
• Use of a VP8 electrical connector for reliable and secure electrical interfacing.
• Zero point precision at 0 ± 20 mV, suitable for sensitive applications in biotechnology and clinical diagnostics requiring stable baseline measurements.

This sensor is widely adopted in live-cell imaging workflows, cell culture monitoring, and biotechnological fermentation processes, where precise pH and ORP tracking is essential for optimizing growth conditions and ensuring product quality. Its compliance with harmonized code 9027.80 confirms its categorization as an instrument for chemical analysis.

Weighing 0.54 kilograms (1.2 pounds) and housed in a dimensionally compact design, the EasyFerm Plus ORP Arc 325 is optimized for benchtop and industrial laboratory use, supporting advanced research fields including biomedical engineering and molecular biology studies. Its robust design and accurate measurements make it critical in gene editing experiments and biopharmaceutical production pipelines, where precise chemical environment control enhances reproducibility and results quality.