Front Panel - Varian sentorr Instruction Manual

Heater current
Calibration
(two points)
Auto-on threshold
(available on TC1 only)
Analog output
Set Points (all models with Set Point option)
Set Points
Contact rating
Remote Input (all models)
Input
Options Available
Bayard-Alpert Configurations
Up to three optional plug-in printed circuit boards can be user-installed in the UHV, UHV2c, BA2,
BA2c, and BA configurations, with the following restrictions: one set point board, one degas board, and
one communications board, either RS232 or RS485/422.
Cold Cathode Configurations
Up to two optional plug-in printed circuit boards can be user-installed in the CC2, CC2c, and CC con-
figurations, with the following restrictions: one set point board and one communications board, either
RS232 or RS485/422
1-3

FRONT PANEL

The front panel display of the senTorr 7-segment, LED digits and LED annunciators. These provide con-
tinuous, crisp readings, with no directional bias. The display uses three LED colors to group information.
Introduction and Description
165 mA ± 10% (TC models)
-1 -3
1.3 x 10 Pa/1 x 10
5 2
1.0 x 10 Pa/7.6 x 10
-1
1.3 x 10 Pa to 6.6 Pa (1 x 10
1 V/decade
-1
1 V at 1.3 x 10 Pa/1 x 10
5
7 V at 1.3 x 10 Pa/1000 Torr
10 V for "03E" condition
Optional Linear Recorder Out available
floating SPDT relays with NO, NC, and C terminals
3 A at 24 VDC/250 VAC, gold-flashed
3 to 32 VDC, 500 ohms minimum to activate high-vacuum gauge
(optically-isolated and floating level-sensitive)
Green pressure data and parameter values
Yellow set point and parameter annunciators
Red operational status legends
Torr (vacuum)
Torr (atmosphere)
-3
Torr to 5 x 10
-3
Torr
1-3
-2
Torr)