pH, ORP, Ion Selective (ISE), Conductivity & Dissolved Oxygen (DO)
Inline Analyzers, Controllers & Transmitters

3TX-HiQ Smart Digital Measurement System for
Control and Datalogging of pH, ORP & Temperature

ASTI Model 3TX Modular Line of pH, ORP, ISE, DO &
Conductivity Transmitters & Controllers with Datalogging
Rosemount 56 Single or Dual Channel
pH / ORP / ISE / Conductivity Analyzer & Transmitter


3TX 56
ASTI Model 2TX Isolated 2-Wire
pH & ORP Transmitter
Rosemount 1056 Single or Dual Channel
pH / ORP / ISE / Conductivity Analyzer & Transmitter

Rosemount 1057 Single, Dual or Triple Channel
pH / ORP / ISE / Conductivity Analyzer & Transmitter

2TX 1056 1057
ASTI Model 4TX pH & ORP Meter,
& Controller
Rosemount 1066 Two-Wire Loop-Powered
pH/ORP & Conductivity Analyzer with HART & FieldBus
Rosemount 5081 pH / ORP
Transmitter / Analyzer / Controller
4TX 5081

Advanced Sensor Technologies, Inc.
603 North Poplar Street, Orange, California 92868-1011 USA
Tel: + (1) 714-978-2837  Toll-Free: + (1) 888-969-2784 Fax: + (1) 714-978-6339 Website:
Manufacturing Long-Lasting Industrial pH Sensors, ORP sensors, Ion Selective Sensors & Conductivity Sensors for Difficult Inline Process Control Measurement and Monitoring Applications
Supplying Research Grade pH Electrodes, ORP Electrodes, Ion Selective Electrodes and Conductivity Electrodes for Laboratory Testing
Offering industry leading product developments and research services for OEM manufacturers and resellers requiring pH, ORP and Ion Selective Measurements for Medical In-Vitro and In-Vivo Applications and Industrial Inline, Immersion and Submersible Measurements