PerkinElmer Photovac 2020 Manual page 111

To use the 11.7 eV lamp in your 2020:
NOTE: Do not remove or replace any detector lamp in a hazardous
location.
Do not leave the 11.7 eV lamp in the instrument when you turn it
off. Always remove the 11.7 eV lamp and store it in the supplied
desiccant bottle.
109
1. Remove the 11.7 eV lamp from the supplied desiccant
bottle and install the lamp as outlined in Removing and
Replacing the UV Lamp on page 116.
2. Turn the instrument on and wait for the ready status. If
the lamp cannot be started, contact the Service
Department.
3. Calibrate 2020 as outlined in Calibration Using the
Flow-Match Regulator on page 70. All response
factors are invalid when an 11.7 eV lamp is installed.
You must set the response factor for the current cal
memory to 1.
4. Recalibrate the instrument every 15 minutes of
operation.
5. Every hour of operation, switch off the instrument,
remove the lamp and examine the window for
yellowing. If the window is yellow, then regenerate the
window according to the procedure in Cleaning the
Lithium Fluoride Window on page 120.
6. After use, remove the lamp and store it in the supplied
desiccant bottle.
Connecting Accessories