Markes ULTRA A 50:50 Operators Manual

About this manual

The Markes ULTRA A 50:50 is a thermal desorption system used for analyzing volatile organic compounds. This operators manual details the procedures for loading sample tubes using DiffLok™ analytical end caps and trays into the instrument. It explains the operation of the main chassis door microswitch and the sequence of actions required during a standard analysis run, including pressurization, leak testing, and desorption.

What's inside

• Loading tubes onto ULTRA A 50:50
• Capping tubes with DiffLok caps
• Loading tubes and trays into ULTRA A 50:50
• Microswitch on main chassis door
• Software: Leak Test Icon
• Software: Reset ULTRA A 50:50 icon
• Operating environment
• Active Sequence
• Sequence Builder
• Setting and measuring gas flows

Frequently asked questions

What is the required length of a tube correctly capped with DiffLok caps?

A tube correctly capped with a pair of DiffLok caps is 123 mm long.

How many DiffLok caps are required for each tube?

Each tube requires two DiffLok caps.

What happens if the main door is opened while a sequence is in progress?

The system will pause and be unable to resume until the door is shut when it needs to move the tray stack.