Fluke 1745-BASIC, User Manual

Page: 62 / 72

1745
Users Manual
48
General Specifications
RMS Logging Slow Voltage Variations
Logging values: Mean value RMS values averaged over interval length
Min, Max values Averaging with selectable averaging time from
half-cycle to 5 s
Max value Max. 10 ms RMS value per interval
Min value: Min. 10 ms RMS value per interval
Current Logging Values
Mean value RMS values averaged over interval length
Max value Highest RMS value per interval
Events Dips, Swells, Interruptions
Limit value Variable
Lower limit: 0 to 95 % V
N,
Upper limit: 105 to 120 % V
N
Set in PQ Log
Range 0 to V
I
+ 20 %
Logging value Half-cycle RMS value
Operating uncertainty < 2 % of V
I
Response time ½ line power period
Flicker
Logging value Flicker severity (P
lt
/ P
st
) according to
IEC 61000-4-15
Intrinsic uncertainty P
st
< 5 % of measured value
Measuring range P
st
0.4 to 4
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