Optional Display - HELIX GRANVILLE-PHILLIPS Convectron ATM Instruction Manual

Appendix A

Optional display

78
The RS-485 version of the module is available with an optional 7-digit green
LED display
• Can indicate vacuum chamber pressure measured by Convectron gauge
or differential pressure measured by differential pressure sensor
• Display value: two significant digits, 1-digit exponent, and + or – sign for
the exponent, in ±XX±Y format
• Pressure range: 1.0 x 10
• If differential pressure is indicated, + or – sign to left of 2-digit window
indicates positive or negative pressure differential, and + or – sign to left
of 1-digit window is for the exponent
• If absolute pressure is indicated, + or – sign to left of 2-digit window does
not illuminate, and + or – sign to left of 1-digit window is for the exponent
• Also indicates of the pressure unit (Torr, mbar, or Pa)
Convectron
-4 Torr to 999 Torr
®
ATM Vacuum Gauge Module Instruction Manual