Operating instructions

4. Calibration

page 31

Mercury Instruments

UT-3000-E_V2.11.docx

31.07.12

Analytical Technologies

4.3 Perform Span Check

F3- Perform Span Check is selected in the Calibration Mode menu a manual span check can

be performed. A calibration unit (see 4.4.2) has to be connected by cable (Pt100), this tells the

analyzer the mercury concentration of the calibration gas.

After pressing the F3-button the analyzer will be prepared for the span check by the standard

cleaning routine of GoldTrap : Zeroing / Trap cleaning / Trap cooling / Zeroing / Trap

cleaning / Trap cooling / Zeroing / System Evaluation / Trap cooling.

Then a volume of calibration gas has to be injected into the calibration port on the front side of

the analyzer. The volume (1-999 µl) has to be typed in and confirmed by pressing ENT.

4.4 Perform New Calibration: Manual Calibration