Teledyne 3060e - Ultra Trace oxygen analyzer - Manual (Page 69)

Teledyne Electronic Technologies
Analytical Instruments
4-21
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5. When you press ACK the system directs
you to close MV1. Press ACK or ESC
to continue.
NOTE: If the sample/span gas pressure is within ± 5 psig of the value used
during previous analyzer use, do not close MV1. Proceed to step 6.
6. When you press ACK , the next screen
asks you if a span gas is connected to
the port. To continue, press
YES , NO , or
ESC .
7. If a span gas is not connected, press NO ,
and the system automatically performs a
purge-to-span. The screen displays
PLEASE WAIT
... and the time remain-
ing.
• If a span gas is connected, press YES
and the system automatically advances
to step 8.
8. The screen directs you to check the
flow rate for 150 cc/min. Press ACK or
ESC to continue.
NOTE: Mass flow controller is preset to give 150 ± 3 sccm flow. However,
when a pneumatic valve does not open or the gas pressure drops to
a point where the mass flow controller is unable to deliver 150 sccm
flow, the analyzer will automatically shut down and display the
error message FLOW BELOW 20 SCCM. If this occurs, check the
sample/span gas and air pressure. Make sure that they are within
the recommended
VALVES: O FF
G ENTLY CLO SE M V1
--- PRESS ACK W HEN READY ---
1 2 3 4 5
ACK ESC
VALVES: OFF
IS A SPAN GAS CONNECTED
TO THE SPAN PORT?
1 2 3 4 5
NO ESC YES
VALVES: PURGE-TO-SPAN
PURGE IN PROGRESS
TIME REMAINING 00 : 05 : 00
PLEASE WAIT . . .
1 2 3 4 5
SKIP
VALVES: FLOW SET
FLOW = 150 CC/MIN
1 2 3 4 5
CHECK THE FLOW RATE FOR
150 CC/MIN
--- PRESS ACK WHEN READY ---
ACK ESC