Operating instructions

3. Operating instructions page 20
Mercury Instruments UT-3000-E_V2.11.docx 31.07.12
Analytical Technologies
F IGURE : S IGNAL P EAK DURING THERMAL DESORPTION OF THE
G OLD T RAP .
Sampling
Zeroing
Heating
Trap Cooling
Purge Cell
Trap
Cleaning
Trap Cooling
UT-3000
Sampling
Zeroing
Heating Trap Cooling
Purge Cell
Trap
Cleaning Cooling
UT-3000 ng (Tedlar Version only)
Cleaning
Cooling
F IGURE : UT-3000: MEASUREMENT CYCLE
Sampling Zeroing Heating / Cleaning Cooling
5 s to 15 min; depending on
sample volume
11 s 20 s 45 s for sample vol. 1 L and
up
>45 s for sample vol < 1 l
T ABLE : DURATIONS OF THE ANALYSIS STEPS
Repeat Zero: Zeroing is repeated up to 10 times if the heating flow is out of range
(7 l/h < heating flow <13 l/h)