Unity 2 Parameter Specifications - Markes International Unity 2 User Manual

3.6.7 UNITY 2 parameter specifications

Parameter
Mode
Split on in standby
Ambient temperature carrier gas purge
Split on during tube purge
Trap in-line during tube purge
Elevated temperature purge or stage 1 of primary
(tube) desorption (optional)
Trap in-line during elevated tube purge
Split on during elevated tube purge
Primary tube desorption (stage 2 if optional
elevated temp. purge employed)
Split on during primary (tube) desorption
Cold trap focusing temperature
Cold trap (secondary) desorption temperature
minutes
Cold trap heating rate
Split on during secondary (trap) desorption
Flow Path Temperature
GC Cycle Time
Minimum Carrier Gas Pressure
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Range
Standard 2(3) Stage Thermal Desorption
Tube Conditioning
Yes/No
Time settable between 0.0 and 99.9 minutes in
0.1 minute increments
Yes/No
Yes/No
35 to 400°C (settable in 1° increments) for 0 to
999.9 minutes (settable in 0.1 minute
increments)
Yes/No
Yes/No
35 to 400°C (settable in 1° increments) for 0 to
999 minutes (settable in 0.1 minute increments)
Yes/No
-30 to +50°C (settable in 1° increments)
50 to 425°C (settable in 1° increments) for 0 to
99.9 (settable in 1 minute increments)
Max (ballistic heating reaching 100°C/sec during
first critical stages of trap heat) or options
between 1° and 40°C/sec
Yes/No
50 to 225°C
0 to 999.9 minutes
0.0 to 99.0 psi
QUI-1057
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