Model 991R

The Model 991R-MFC is an innovative, technically superior, high quality and reliable microcomputer-based Power Supply, Readout and Set Point controller suitable for any commercial or industrial MFC application. 

The secure DA15 connector for the instrument allows quick 

attachment to any Mass Flow Controller or Meter.

System Basics

• Menu Driven Graphic Controls

• Single Channel Mass Flow Controller 

• Measurement Accuracy to 0.075%

• Instrument Keypad & LWAN Remote Operation

• Input Measurements - mA, Volts

• Output Controls - mA, Volts

Display & Indicators

• Large Graphic High-Contrast Backlit Display

• Process Measurement and Alarm Status

• Audio and Visual Alarm Indicators

• See SP and PV values on one screen 

Process Control Capability

• Batch Quantity deliveries

• Set Point control

• Resetable Dual Totalizer

• Valve Override (VOR) control

Communications

• Built-in RS-232 Serial Communication Port

• Multiple Unit Networked Operation

• Serial Data Packet Error Controlled

• Multiple Network Access Addresses

• Remote Serial Computer Control

Alarm Services

• Input Quantity Alarm

• Rate High, Low, Inclusive, Exclusive and Detection

Special Functions

• Preprogrammed list of units of measure

• User Programmable units of measure 

• Selectable Quantity-Rate Time Base

• Universal Input-Output Scaling

Diagnostic Tests

• Total Self Auto-Diagnostics on Every Power-Up

Mounting Accessories

• Panel Hardware

• Table Top Hardware

• Rack Hardware

• DIN Rail Hardware