Thank you for purchasing an Alicat Gas Flow Controller.

Please take the time to read the information contained in this manual. This will

help to ensure that you get the best possible service from your instrument. This

manual covers the following Alicat Scientific instruments:

MC and MCR-Series Mass Gas Flow Controllers

MCP-Series Mass Gas Flow Controllers

WHISPER Low Pressure Drop Mass Flow Controllers

MCS and MCRS-Series Mass Gas Flow Controllers

MCS and MCRS-Series Flow Controllers are for use with certain aggressive gases.

This includes MC and MCR-Series devices labeled as approved for CSA Class 1

Div 2 and ATEX Class 1 Zone 2 hazardous environments. See pages 95 and 96 for

Special Conditions regarding the use of CSA/ATEX labeled devices.

MCV-Series Mass Gas Flow Controllers

MCV-Series Flow Controllers have an integrated shut-off valve and are built for

use with applications that require tight shut-off.

MCE-Series Mass Gas Flow Controllers

MCE-Series Flow Controllers are built with a proportional valve positioned

within the base of the unit.

MCD and MCRD-Series Dual Valve Mass Gas Flow Controllers

MCQ and MCRQ-Series High Pressure Mass Gas Flow Controllers

Unless otherwise noted, the instructions in this manual are applicable to all of

the above instruments.

Please contact Alicat at 1-888-290-6060 or info@alicat.com if you have

any questions regarding the use or operation of this device.

Many Alicat instruments are built for specific applications. Two instruments

with the same flow range and part number may look and act quite differently

depending upon the application the instrument was built for. Care should be

taken when moving an instrument from one application to another.