Issue 1
10-14 Calibration procedures
K0460 - [EN] English
10.14 Procedures:
Pressure indicator
modules (PM 620-IS)
1.
Assemble the pressure indicator with the necessary
PM 620-IS modules and connect the instrument to the
pressure standard; see
Section 4.4.4 (Example procedure:
Measure pressure)
.
2.
Let the equipment get to a stable temperature (minimum:
60 minutes since the last power on).
3.
Use the calibration menu (
Section 10.3
) to do a two-point
calibration (Zero and +FS) or a three-point calibration (-FS,
Zero and +FS). Refer to
Table 10-13
.
4.
To make sure the calibration is correct, select the applicable
pressure function; see
Section 4.4.4
, and apply these
pressure values:
•
Ranges g: 0, 20, 40, 60, 80, 100 (%FS)
Then: Go back to 0 in the same steps.
Then (three-point calibration only):
-20, -40, -60, -80, -100 (%FS)
Then: Go back to 0 in the same steps.
•
Ranges a: 0, 20, 40, 60, 80, 100 (%FS)
Then: Go back to 0 in the same steps.
Table 10-13:
Calibration pressures
Ranges: g
Nominal applied pressure
mbar (psi)
-FS †
Zero
+FS
≤
700 mbar (10.0 psi)
-FS
0
+FS
> 700 mbar (10.0 psi)
-900 (-13.1)
0
+FS
†
For a three-point calibration, do not apply more than -90% of
the specified FS for the unit.
Ranges: a
Nominal applied pressure
mbar (psi)
Zero
+FS
350 mbar (5.00 psi)
< 1.0 (0.02)
+FS
2 bar (30.0 psi)
< 5.0 (0.07)
+FS
7 bar (100.0 psi)
< 20.0 (0.29)
+FS
20 bar (300.0 psi)
< 50.0 (0.73)
+FS
≥
350 bar (5000 psi)
Use atmospheric
pressure as zero.
+FS
Содержание Druck DPI 620-IS
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