2 carrier gas mode, 1 performing a calibration, Carrier gas mode – INFICON T-Guard Leak Detection Sensor Interface description User Manual

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RS232 ASCII Interface Protocol

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2.4.2

Carrier Gas Mode

2.4.2.1

Performing a calibration

Every command must be terminated by the two bytes
Carriage Return (CR, ASCII 13, \r) and Line Feed (LF, ASCII 10, \n), in this order.
The response you receive from T-Guard will also be terminated like this.

Command sent to

T-Guard

Response received

from HLD5000

Content

*STAT:MEAS?

READY

status of the unit

*CONF:MODE CARGAS

OK

switch to carrier gas mode

*CAL:STAT?

NO CAL RUNNING

no calibration running

*CONF:TRIG2ON OFF

OK

turn off trigger 2

*CONF:TIME:AUT ON

OK

turn on automatic times

*CONF:UNIT:FU SCCM

OK

set flow unit to sccm

*CONF:CF 30000

OK

set carrier gas flow to 30000

*CONF:TRIG1:MBAR*L/S
1E-3

OK

set trigger 1 to 1E-3 mbar*l/s

*CONF:TIME:MEAS?

5.0

read measurement time

*CONF:TLR:MBAR*L/S 8E-4 OK

set test leak rate to 8E-4 mbar*l/s

*CAL:START

OK

start calibration measurement

*CAL:STAT?

CAL RUNNING, WAIT

calibration running

*CAL:STAT?

CAL FINISHED, CONFIRM calibration finished

*STAT:ERR?

NO ERROR/WARNING

no errors

*CAL:FAC:OLD?

1.017

read old calibration factor

*CAL:FAC:NEW?

1.098

read new calibration factor

*CAL:QUIT

OK

confirm calibration

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