Calibration Unit PGT120
Part No.: 7100.PGT120.CU
7 / 8
2015-05-05
6
Calibration Unit verification
Recommended calibration cycle: 3 years
To check the resistors, connect a suitable Ohmmeter to the central jack
and the left jack
of the Calibration Unit and set the
marked
lever of the rotary switch in succession to the marked
positions. The corresponding resistor values and tolerances can be taken from the drawing below.
Also connect the Ohmmeter to the central
and right jack of the Calibration Unit.
Nominal value must be: 24,4 k
1%
818,10 k
1%
31,80 M
1%
682,20 k
1%
38,15 M
1%
217,90 k
1%
63,65 M
1%
182,20 k
1%
76,14 M
1%
108,90 k
1%
127,40 M
1%
90,90 k
1%
152,54 M
1%
