8 Specifications ELT-400
8-6
Measurement range, dynamic range
Nominal measurement range
The fixed measurement range is nominally 100 % of the selected limit value
curve.
1 The frequency-dependent damage level should also be taken into account.
ª (see Fig. 8-1)
Measurement value collection
Operating mode ICNIRP BGV B11, prEN 50366
Range Low High Low High
Overload limit
(1)
160 % 1600 % 160 % 1600 %
Nominal measurement
range
10 % 100 % 10 % 100 %
Intrinsic noise,
approximate
1.3 % 6 % 0.4 % 1.6 %
Display resolution
Range: Low
0.001 %
Sampling frequency 1.048576 MHz
Measurement interval
(measurement rate)
250 ms
(4 per second)
RMS (RMS value detector) Continuous integration over 4 intervals
(sliding evaluation window: 1 sec.)
Peak (Peak value detector) Maximum value in each interval, true phase
Stnd (Automatic detector) Continuous calculation from RMS and / or peak,
depending on the standard selected.
Measurement axes evaluated X, Y and Z (isotropic), combined for resulting
exposure level.
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