ASTi - Advanced Sensor Technologies manufactures long-lasting, low-maintenance liquid analysis sensors.
They specialize in difficult and severe service process control measurements and continuous monitoring applications.
They have over 40yrs of experience solving difficult liquid analytical electrochemical process measurements.
- pH Sensors
- ORP sensors
- Ion Selective (ISE) Sensors
- Conductivity (EC) Sensors
- Dissolved Oxygen (DO)
- Sensors for use with mating
- Field Instrumentation
- Controllers and Transmitters
ASTI industrial pH, ORP, and ISE sensors feature a unique no O-ring, washer, or elastomer design for superior reliability, using press-fit and adhesive-sealed assemblies.
They offer application-specific, solid-state reference junctions for exceptional longevity in harsh environments, including slurries, high temperatures, and gases like H₂S and ammonia. Rugged sensing elements are optimized for demanding conditions—HF, brine, fouling, and abrasives—with low-maintenance, high-accuracy performance.
Sensors are available in analog and smart digital IIoT-ready formats and support all common installation styles.
ASTI also offers customizable conductivity sensors and advanced instrumentation with remote access, MODBUS TCP, datalogging, and standard 4-20mA outputs.
ASTI provides advanced liquid analysis solutions tailored for industrial manufacturers and municipal water treatment applications. Their comprehensive offering includes precision-engineered sensors, transmitters, and holders that seamlessly integrate to create a complete, high-performance measurement loop. Each component is also available for individual purchase, allowing flexible configuration to suit both new installations and retrofit needs. Designed for process optimization, regulatory compliance, and continuous monitoring, ASTI’s smart pH, ORP, ion selective (ISE), and conductivity sensors deliver accurate, reliable data in even the harshest environments. With support for analog and digital protocols, their liquid analysis systems are ideal for chemical processing, wastewater treatment, power generation, and more.
- Immersion pH & ORP Sensors
- Twist Lock pH & ORP Sensors
- Valve Retractable pH & ORP
Sensors - Sanitary pH & ORP Sensors
- ZEUS™ pH & ORP Sensors
- Smart Digital HiQDT MODBUS RTU Platform
- Smart Digital HiQDT MODBUS RTU
Dissolved Oxygen (DO) Sensors
- Smart Digital HiQDT MODBUS RTU
Conductivity (EC) Sensors
- Industrial Grade ISE Sensors for Continuous Inline, Immersion, Submersible, Sanitary & HOT-TAP Valve Retractable Field Measurements
ASTI and Rosemount transmitters provide robust, flexible measurement and control solutions for industrial liquid analysis applications. ASTI instruments support real-time monitoring, process optimization, and compliance across many demanding industries. Compatible with both legacy and modern systems, they ensure scalable and future-proof liquid analysis solutions.
The 3TX series supports a wide range of analog sensors, while the 3TX-HiQ is optimized for smart digital pH and ORP sensors using MODBUS RTU communication. For simple and reliable installations, the 4TX (line-powered) and 2TX (loop-powered) transmitters offer dependable performance for analog sensor systems. The HiQDT platform enables advanced diagnostics, configuration, and control, ideal for IIoT-ready process environments.
Their Rosemount transmitters deliver industry-trusted performance and compatibility. The 4-wire transmitters offer dual-channel capability and intuitive interface for multi-parameter monitoring. Whereas the 2-wire transmitters provide space-saving solutions for continuous measurement in rugged environments.
- Smart Digital HiQDT MODBUS RTU Measurement & Control Platform
- 3TX Transmitter for Analog pH, ORP, ISE, Conductivity & Dissolved Oxygen Sensors
- 3TX-HiQ Transmitter for Smart pH & ORP Sensors
- 4TX Line Powered Transmitter for Analog pH & ORP Sensors
- 2TX Loop Powered Transmitter for Analog pH & ORP Sensors
- 1056 (4-wire)
- 56 (4-wire)
- 1057 (4-wire)
- 5081 (2-wire)
- 1066 (2-wire)
As manufacturer's reps, we bridge the gap between manufacturers and you (the end user). Our representatives not only provide insights into the latest advancements in instrumentation but also offer hands-on support to help our clients navigate complex applications. We leverage our vast industry knowledge to find solutions that improve process and reduce costs. Our reps help to streamline the often long and technical sales process. It is our priority to always deliver personalized service and support and form long-term partnerships with our clients.