4 – 10 Crittall Court, Crittall Drive, Springwood Industrial Estate, Braintree, CM7 2SE, United Kingdom
Sentek manufactures electrochemical sensors for water-based analytical measurement, supplying OEM partners, distributors, and end users across industrial, environmental, laboratory, and biopharmaceutical sectors.
We provide both standard and custom-engineered sensors, including pH, conductivity, ion selective (ISE), ORP, reference, and dissolved oxygen (DO) technologies. Our technical expertise supports customers in selecting the most suitable sensor solutions for their specific applications and integration requirements.
With UK-based manufacturing, including in-house glass blowing, precision machining, and assembly, Sentek maintains full control of production - ensuring consistent quality, repeatable performance, and dependable operation across a wide range of applications and environments.
Analysers (Ammonia)
Analysers (Fluoride)
Conductivity (Equipment)
Electrochemical Instrumentation
Electrodes (Conductivity)
Electrodes (PH)
Electrodes (Specific Ion)
Groundwater Monitoring
Ion (Selective Measurements)
Laboratory Consumables
Laboratory Equipment
ORP (Electrodes)
pH Electrodes
pH Meters
pH Meters (Battery Operated)
Probes (Dissolved Oxygen)
Probes (Multiparameter)
Probes (PH)
Sensors (Ammonia)
Sensors (Dissolved Oxygen)
Sensors (Electrochemical)
Sensors (Oil / Water)
Sensors (Temperature)
Soil Testing Kits
Titration
Water (Sampling Groundwater Monitoring)
Water Analysis Equipment
Water Sampling & Monitoring Equipment
IET Guide 2026
Product directory
