78 Description of the Menu
iina70e 06.fm technical handbook(1408)
LR lin
The leak rate output voltage is scaled linear. The fundamental voltage is 0-10 V in
scalable steps from 0.5 to 10 volts per decade.
For information about scaling see chapter 6.6.4.4
LR log
The leakrate is recorded on a logarithmic scale. The voltage output ranges from
1 … 10 V with steps of 0.5 V per decade.
For adjusting of scaling see chapter 6.6.4.4.
LR mantissa
The leak rate mantissa is recorded linearly from 1 … 10 V.
LR exponent
The exponent is recorded like a step function: U = 1 … 10 V with steps of 0.5 V per
decade, starting with 1 V = 1×10
-12
.
6.6.4.4 Scaling Recorder Output
• Main Menu > Settings > Interfaces > Scaling Recorder Output
Here the scaling of the recorder output can be adjusted. This adjustment is only valid
for the setting “LR lin” or ”LR log” (refer to Chapter 6.6.4.3 Recorder output).
Example:
Chart recorder output: “LRlog”
Upper limit value is adjusted to 10
-5
(= 10V)
Scaled to 5 V/decade
Lower limit value consequently is 10
-7
(= 0 V)
Fig. 6-21 Example of range of leak rate, log, 0.5 V/decade
012345678910V
-12 -10 -8 -6
10 10 10 10 LR in channel
-4 -2 0 +2
10 10 10 10
Softkey 2: Arrow up
Adjust decade of the upper limit value
Softkey 3: Arrow down
Scaling of the previously adjusted value in steps of 0.5, 1, 2, 2.5, 5, 10 Volt/decade. The
complete voltage range is 10 V. (Only for signal “LRlog”)
Softkey 6: Arrow up
Adjust decade of the upper limit value
Softkey 7: Arrow down
Scaling of the previously adjusted value in steps of 0.5, 1, 2, 2.5, 5, 10 Volt/decade.
The complete voltage range is 10 V. (Only for signal “LRlog”)
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