Advanced Sensor Technologies, Inc. (ASTI)

Advanced Sensor Technologies manufactures Long-Lasting Industrial pH Sensors, ORP sensors, Ion Selective (ISE) Sensors, Conductivity (EC) Sensors and Dissolved Oxygen (DO) Sensors for use with mating Field Instrumentation, Controllers and Transmitters. Specializing in Difficult and Severe Service Process Control Measurements and Continuous Monitoring Applications. All transmitters and controllers always come standard with isolated scalable 4-20mA analog output(s) and optional features such as programmable contact relays with simple supervision, On/Off Control and Time Proportional Control (TPC) modes.