Based on advanced lab-on-chip technology, our precision spectrophotometric pH sensor performs highly accurate and stable pH measurements from coastal surface waters to the bottom of the ocean. Key applications include ocean acidification studies and coastal pH measurements.

Onboard calibration standards
Long-term accuracy
Sensitive wet-chemical method
Submersible to 6000 m
Measurements up to every 8 minutes
Onboard waste storage - this can be emptied by user between deployments
1500 measurements per deployment (limited by onboard waste storage)
Temperature Range
1 to 28 °C (8 to 35 °C on request)
Power Consumption
1.8 W
Accuracy
<0.009 pH
Precision
<<0.001 pH
Range
7.5 – 8.5
Communications
RS232 and RS485 for M2M. User programmable via USB and Windows GUI.
Maximum Depth
6000 m



We offer bespoke solutions for a wide variety of monitoring applications.
Our sensors can be adapted for your needs, including bespoke sampling strategies.
We also offer monitoring services to make data collection as simple as possible.
