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 151 of 160
NOTE:
Capacitance Diaphragm Gauge Tubes with a range of greater than 1 Torr will not control the Cold
Cathode automatic turn on!
CAPACITANCE DIAPHRAGM MODULE - A CDG module is shown in Fig. 9.6a and 9.6b. This module is typical of
all modules. The assignment of station identification numbers on a CDG module is accomplished by placing
jumpers across the appropriate pins in the SIGNAL ID and the REC OUT ID sections. The upper CDG station has
been named station #3 and the lower thermocouple station has been named station #4 as an example. Do not
duplicate station # assignments with other modules. Also two (2) jumpers are placed in the "MP" positions of the
ANALOG/MP section of the board.
Fig. 9.6a - Capacitance Diaphragm Module
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