Power Meter Remote Operation
Setting Measurement Limits
EPM-P Series Power Meters Programming Guide
1-65
Figure 1-6: Limits Checking Results
Setting Limits
The power meter can be configured to verify the current measurement in
any measurement line against predefined upper and/or lower limit values.
The range of values that can be set for the upper and lower limits and the
default values depends on the measurement units in the currently
measurement line - see Table 1-2.
The limits can also be set to output a TTL logic level at the rear panel Rmt
I/O port when the predefined limits are exceeded. You can switch the rear
panel TTL outputs on or off; set the TTL output level to active high or low;
and determine whether the TTL output represents an over limit condition,
Table 1-2: Range of Values for Window Limits
Window
Units
Max
Min
Default
Max
Min
dB
+200 dB
-180 dB
60 dB
-120 dB
dBm
+230 dBm
-150 dBm
90 dBm
-90 dBm
%
10.0 Z%
100.0 a%
100.0 M%
100.0 p%
W
100.000 XW
1.000 aW
1.000 MW
1.000 pW
+4 dBm
+10 dBm
Amplitude
Frequency
o
o
o
o
o
o
o
Fail
Fail
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