INSTRUMENT MANUAL
VACUUM GAUGE MODEL MM200
160Phone:(215) 947-2500 fax:(215) 947-7464 e-mail:sales@televac.com web site:www.televac.com
MM-200_im REV M
Page 59 of 160
2a. 3D & 3E HOT CATHODE (I
2
R and Electron Beam Degas)
WITH A CONTROLLING THERMOCONDUCTIVITY GAUGE.
Power ON. Displays software version, does self diagnostics. If
everything is all right and the pressure is below 10 microns (e.g. "0")
the display is follows (assumes HC is station 5, TC is station 1):
ACTION - Push DISPLAY (See Table of Display Descriptions)
1. SOFt 1.35 is displayed…. then
OFF 51 0 is displayed
2. HCion Auto HC ion SELF
3. FIL 5 OFF FIL 5 rdy (1)
FIL OFF (2)
FI FIL 5 rdy (3)
4. 1.2-9 51 0
NOTES:
(1) If filament comes on, GO TO Step 4. If not continue.
(2) Switch filament selector switch on rear panel and continue. Use
either up or down arrow.
(3) Filament should be on. GO TO Step 4.
(4) Error codes which may be displayed:
Shut dn = Unit was shut down overpressure safety
no E curr = Low emission current or wrong fil # connected.
HP Shrt = High voltage short, grid or filament grounded?
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