BUCHI DuMaster D-480 - Manual (Page 109)

Operation Manual D-480 ©BÜCH Labortechnik AG
6 - Starting up and shutting down the instrument 109
Category Type Part of initial equipment
Carrier gas CO
2
:
 Purity: 99.995 %
 Consumption approx. 725 ml/min
 Adjust the intake pressure at the
delivery point until the PC pressure
display "Input" reads 1300 mbar.
No
Combustion gas Oxygen:
 Purity: 99.995 %
 Intake pressure 2.5 bar
 Consumption approx. 0.5 - 1 l per
analysis
Reagents Various chemicals for filling the reaction
tubes Yes
You need a consumables set for
further analyses.
Calibration
standards
 Aspartic acid
 Glutamic acid
 Substances must have at least p.a.
quality or be certified for elemental
analysis.
No
Start-up
Who performs first-time start-up?
First-time start-up is performed by a trained service technician, not the customer.
Note
In order to ensure proper working order of the instrument:
 the work processes described in this section must be performed precisely.
 the basic instrument and the peripherals must be switched on in the sequence described here.
Process
The section is divided into the following phases:
 Preparing instrument for switching on
 Preparing the Instrument for measurements
 Performing instrument checks
Phase 1: Preparing instrument for switching on
Proceed as follows:
 Set up the instrument. Observe the instructions concerning the installation site. See Installation
site requirements (on page 107).
 Connect the peripherals. See Connecting peripherals (on page 110).
 Connect supply lines and waste gas lines. See Connecting supply lines and waste gas lines
(on page 111).
 Remove the transport lock. See Removing the transport lock.
 Check the fillings of the required glass and quartz components. Replace filling if necessary. See