Satellite XT 4-20 mA Versions
Gas Calibration
The gas calibration submenu is used for dynamic cali-
bration. For zero adjustment use clean or synthetic air
free from measuring gas or any other interfering gases.
The sensor must be warmed-up before calibration.
For span adjustment it is recommended to use test gas
of a known concentration at or slightly above TLV for
the target gas.
Always keep to the correct sequence,
first perform zero adjustment, then Span
Adjustment.
Zero Adjust
Use the <set> key to enter and follow the dialogue
displayed.
Zero adjustment applies for all sensors except
oxygen sensors.
Apply Air !
Apply clean or synthetic air to the sensor and actuate
the <set> key to continue.
<Actual Zero Point>
Allow the zero reading to stabilize.
If the reading is already zero, zero adjustment is not
necessary. Actuate the <esc> key to exit.
If the reading is not zero, actuate the <set> key to
re-adjust the zero point and to continue the procedure.
<Re-adjusted Zero Point>
The reading is zero. Actuate the <set> key to proceed.
Save ?
Actuate the <set> key to save the new zero point and
store it in the unit's internal memory.
continued
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G A S C A L I B R A T I O N
Z ERO AD J US T
u s e c l e a n a i r !
Z E R O A D J U S T
A P P L Y A I R !
V a l u e s t a b l e ?
Z E R O A D J U S T
0 . 0 1 p pm
V a l u e o . k . ?
Z E R O A D J U S T
0 . 0 0 p pm
< s e t > t o c o n f i r m
Z E R O A D J U S T
S A V E ?
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GA S CA L I BRA T I ON
C A L I B R A T I O N
5-2
Calibration - Section 5
