Edwards ELD500 Series, Инструкция по эксплуатации

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D13510840D - SL Extender interface
Page 35
Figure 33 Connection of the SL extender interface to the ELD500 leak detector
Initial operation
1. Connect to the mains according to Mains connection and exchanging the ELD500 SL
extender interface .
2. Make the vacuum connection, according to Vacuum connection .
3. Switch on the ELD500 SL extender interface via mains switch ( Figure 32 item 4).
4. Switch on the helium leak detector.
5. After switching on the helium leak detector wait for the unit to run-up until the Stand-by
mode is reached.
By operating the pushbutton "PUMP/START" pump the ELD500 SL extender interface down
until it is ready for operation. This is indicated by:

transition to leak rate indication and

indication of an air helium background.
Function test
1. Suppress the helium background by pressing the zero button at the leak detector.
2. Press "TEST" pushbutton (
Figure 32 item 5) on the ELD500 SL extender interface; the
indication will then change from zero to several 10
-9
mbar ls
-1
.
1. Housing of the ELD500 SL
extender interface
4. Connection flange of the ELD500
SL extender interface
2. Housing of the ELD500 5. O-Ring
3. Conical ring (metal) 6. Connection flange of the ELD500