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8015383/ZUQ7/V1-3/2020-06 | SICK
O P E R A T I N G I N S T R U C T I O N S | TRANSIC151LP
Subject to change without notice
6
ADJUSTMENT
6.4.2
Calibration
The analog output can be frozen for calibration. Use function
Cal.C,
with the keypad as
described on
.
6.4.2.1
Using ambient air
For information on calibration with ambient air,
see “Using ambient air”, page 48
.
6.4.2.2
Using bottled gas
●
Preparations for calibration with bottled gas can be found under the title
Gas flow adjust-
ment
in
Section
“Setting up the gas supply for calibration and adjustment”
.
●
When calibration conditions (gas pressure, humidity and CO
2
concentration) are
different from the operating conditions of the TRANSIC151LP, set the ambient
parameters of the TRANSIC151LP to the adjustment environment for the adjustment
duration. These settings must then be changed back to represent the process
conditions when the TRANSIC151LP is reinstalled in its operating environment.
●
Let the gas flow in.
●
Wait until the measured value has stabilized.
●
Now compare the TRANSIC151LP display value with the calibration gas specification.
The TRANSIC151LP does not show calibration gas concentration completely correctly
because only the probe is in the calibration gas. The correct measured value can be taken
from the Figure
“TRANSIC151LP measured values dependent on the O
for this configuration.
The Figure shows the measured value when only the sample gas cell (and not the
measuring device enclosure) is exposed to the calibration gas.
●
Set the parameters for pressure, humidity and temperature corresponding to the
process conditions.
●
Ensure the analog output is no longer frozen.
Fig. 37: TRANSIC151LP measured values dependent on the O
2
concentration in calibration gas
0
2
4
6
8
10
12
14
16
18
20
22
24
0
2
4
6
8
10
12
14
16
18
20
22
24
O
2
concentration of calibration gas (vol% O
2
)
Measuring dev
ice display (vol% O
2
)
