Azbil STD961 Differential Pressure Transmitters

STD910/STD920/STD930/STD960/STD921/STD931/STD961

Overview

The ST3000 Series 900 with FOUNDATION™fieldbus is an accurate, stable, and reliable pres-sure / differential pressure transmitter, which fully complies with the 31.25 kbps voltage mode FOUNDATION™ fieldbus. Its built-in AI function blocks provide process variables to devices on the Fieldbus and its PID control function block enables process control in the field.

Since the ST3000 Series 900 is FOUNDATION™ registered, it can operate seamlessly with other registered field devices as well as host systems in a wide range of control applications.

Application

Petroleum / Petrochemical / Chemical

· For strict flow control in combination with orifice plates.

· For measuring pressures and liquid levels in pipes and tanks.

Electric power / City gas / Other utilities

For measurement applications that require high degrees of stability and accuracy.

Draft range applications such as semiconductor equipment manufacturing / Clean rooms

For applications that require highly stable, accurate measurement.

Pulp and paper

For lines that need transmitters resistant to fluid such as chemical liquids and corrosive fluids.

Iron and steel / Nonferrous metal / Ceramics

· For highly stable, accurate measurements such as furnace pressure measurement.

· For lines that require stable measurement under strictly controlled (temperature, humidity, vibration, etc.) conditions.

Machinery / Shipbuilding

For lines that require stable measurement under strictly controlled (temperature, humidity, etc.) conditions.

Wide measuring range (rangeability)

A wide measuring range is available from a single model. This feature is highly effective in taking measurements over a wide range and reducing the need for reserve units.

The measuring range of the model STD920, for example, is 0.75 to 100 kPa (rangeability =1:135)

A diverse lineup

A wide range of models is available to meet user requirements. They include micro-differential pressure, standard differential pressure, high differential pressure, standard differential pressure / high static pressure, and high differential pressure / high static pressure models.

A wide variety of corrosion-resistant materials for wetted parts is also available.