Elma 593R
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4.4.3 Calibration factor (CAL)
The calibration factor CAL serves to calibrate the result display. The field strength value
measured internally is multiplied by the value of CAL that has been entered and the resulting
value is displayed. The CAL setting range is from 0.20 to 25.00.
The CAL factor is often used as a means of entering the sensitivity of the field sensor in terms
of its frequency response in order to improve measurement accuracy.
Frequency-dependent sensor calibration factors are provided for this application. In many cases,
the measurement accuracy will be sufficient even if the frequency response of sensor calibration
factor is ignored. CAL can be set to 1.00 in such cases.
E-Field typically calibration data:
Frequency
CAL
10MHz
17.04
50MHz
2.13
100MHz
1.37
200MHz
1.19
300MHz
0.69
433MHz
0.78
500MHz
1.38
600MHz
2.12
700MHz
1.66
800MHz
1.40
900MHz
1.40
1.8GHz
2.06
2.4GHz
0.66
3.5GHz
1.05
5.4GHz
2.20
8.0GHz
3.16
4.4.4 Alarm limit value (ALARM)
The alarm limit value is used to monitor the display value automatically. It controls the alarm
indication function. The alarm limit value can be edited in the displayed V/m unit.
※
Alarm limit function is only used for total three axial value comparator.
