Calibrating 2020 With The Flow-Match Regulator - PerkinElmer Photovac 2020 Manual

Calibrating 2020 with the Flow-Match
Regulator
1. Ensure the short sample probe is connected to the 2020
NOTE: Ensure the sample probe is free of any contamination as this
will effect the calibration
2. Press the ENTER key.
3. Select "Set", "Cal" and then "Mem".
4. Select the desired Cal Memory. 2020 has 15 Cal
5. Select "Chng" and then "User". Enter a name for the
6. Press the ENTER key and enter an alarm level for
7. Press ENTER and expose 2020 to a supply of zero air.
8. Select "Set", "Cal" and "Zero". Allow 2020 to set its
inlet. If you are using the long probe for sampling, then
ensure the long probe is connected to 2020.
Memories and can be calibrated with 15 different span
gases or response factors if required. Only one Cal
Memory can be used at a time. Each Cal Memory
stores a different response factor, zero point, sensitivity,
and alarm levels.
calibration memory.
Press the ENTER key and enter a response factor
(RF). Refer to page 169 for a list of Response Factors.
If the compound is not listed or you are measuring gas
mixtures, then enter a value of 1.0. The concentration
detected by 2020 will be multiplied by the response
factor before it is displayed and logged.
STEL, TWA and PEAK.
zero point.
Detailed Operation
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