Submersible Water Quality Sensor-Transmitters
The pHionics STs Series™ simplifies your water quality measurements with durable, noise-resistant, and easy-to-use instruments for temperature, pH, conductivity, dissolved oxygen, or ORP (redox).
pH
+ Temperature
Conductivity
+ Temperature
Dissolved Oxygen
+ Temperature
ORP (redox)
+ Temperature
The pHionics STs Series™ combines the sensor and transmitter into a highly accurate, durable, compact device to simplify water quality measurement.
Simple Setup
- Five minute setup out of the box
- Reversible input protection to prevent improper wiring
- Fewer cables and wires than traditionally separated systems
Simple Maintenance
- Fully replaceable parts requiring no special tools
- Detailed tutorials provided through our YouTube Channel
- Removable electrode guard for easy cleaning
Simply Accurate
- Kevlar-reinforced, shielded cable for accurate signal transmission
- Differential amplifier to remove background noise
- Input-output isolation to eliminate ground loops
See how simple your life* can be with pHionics
*pH, conductivity, dissolved oxygen, ORP, or temperature measurement-wise. We can provide relationship advice as well but that doesn’t come with our two year warranty.