Metrohm 763 PVC Thermomat Manual - Manual (Page 27)

3 Operating tutorial
763 PVC Thermomat
20
3.1.2 Preparing for determinations
Before starting determinations, the method must be selected, the
heating must be started and the reaction and measuring vessels must
be prepared. Proceed as follows:
1 Switch on 763 PVC Thermomat
⇒ Switch on 763 PVC Thermomat with mains switch 12 12 on the
rear of the instrument. After the instrument has been switched
on the mains pilot lamp 77 lights up.
2 Switch on PC
⇒ Switch on PC and start «763 PVC Thermomat» program.
3 Select method " Default "
⇒ In the opened control window, select the determination
method Default for Block A (and – if more than 4 samples are
to be determined – also for Block B) in the Method field.
⇒ Click on , if you want to change the parameters of the
default method (details see section 4.5.2).
The determinations described in this tutorial have been
carried out using the default settings ( Temperature = 200 °C ,
Delta T = 0.6 °C , Gas flow = 7 L/h , etc.).
4 Start heating
⇒ To start the heating of Block A and – if desired – of Block B
click on the following button:
As soon as the heating is switched on the color of the frame
of this button switches to red. At the same time the tempera-
ture display 99 "TEMPERATURE" LED on the 763 PVC Ther-
momat starts to blink for the selected block.
The actual temperature is shown digitally beside the button. A
bar below shows the absolute variation of the actual tem-
perature from the target temperature; the bar length corre-
sponds to 50 °C.