Calibration With Certified Gas - Systech Instruments EC900 series Operator's Instruction Manual

13.2 Calibration with Certified Gas

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