Pirani/Convection Messages
Appendix G: Board Specific Commands
318
Pirani/Convection Messages
The 146 unit can identify the gauge as a Pirani or convection gauge. If the gauge is identified as
a convection gauge, you must further identify the gauge as either a Granville-Phillips Convectron
gauge or an HPS Convection Enhanced Pirani (CEP) gauge.
Pirani/Convection Messages
Function
Description
Command
Range and Restrictions
Power
Channel
power
@081<para>:<state>
<para> is the channel number 1, 2, 3, or 4
<state> is ON for on; OFF for off
Sensor must be installed
Configuration
Gas type
@063<para>:<gas>
<para> is the channel number 1, 2, 3, or 4
<gas> is N for nitrogen
H for helium
A for argon
Convection
gauge type
@068<para>:<type>
<para> is the channel number 1, 2, 3, or 4
<type> 4 for GP Convectron
5 for HPS convection
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