Systech Instruments EC900 series - Calibration with Certified Gas

EC900 Series Operation Manual V4.7
www.systechillinois.com
Page
21
13.2 Calibration with Certified Gas
EC9x0
EC9x1
EC9x2
1
Connect the certified gas to the sample port ensuring the same pressure as the sample gas,
in order to obtain the same flow rate as the sample gas, allow the reading to stabilise.
2
Enter the SET-UP mode by pressing
3
Change the CAL value from the default to the value printed on the certification label on the
cylinder, making sure you have changed the %/ppm LED, if appropriate
4
Pressing the ENTER button
will force the display to the value set
for the certified bottle.
5
Continue pressing
To return to oxygen measurement.
See Front Panel Guide.
Note:- If the CAL value is correct press
then
press
to calibrate at
that level
EC9x3
1
Connect the certified gas to the sample port ensuring the same pressure as the sample gas,
in order to obtain the same flow rate as the sample gas, allow the reading to stabilise
2
Enter the SET-UP mode by pressing
the programme button
on the front panel of the instrument
3
If the certified gas is above 2,000ppm enter the value in SPHi. If it is below 2,000ppm enter
the value in SPLo, making sure you have changed the %/ppm LED, if appropriate
4
Pressing the ENTER button
will force the display to the value set
for the certified bottle
5
Continue pressing the
button to return to oxygen
measurement.
See Front Panel Guide
Note:- If the CAL value is correct press
then
press
to calibrate at
that level.