AEM 3945-B Manual

A SERVICE OF

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Power Quality Analyzer Model 3945-B

11

Alarm Events:

• provides a list of the alarms recorded according to the thresholds

programmedduringconguration

• logging of interruption with half-cycle resolution

  • determinationofenergyconsumptionexceedences

• stores value, duration, date, time and set point for up to 4096

events

2.3 Display

300V

RMS

0

-300

<t= 5.0ms V1= +276 V2= -140 V3= -145 >

3U

3V

3A

L1

L2

L3

THD CF

max

min

5

2

1

3

4

202.5 v 202.0 v 202.7 v

1 2 3

07/25/0249.99Hz 10:26 100

%

Figura 2-2



 Topdisplaybarindicates:

• Symbolofthetestedmode(e.g.

, , ,etc)

• Frequency of measured signal

• Memory capacity status bar (onlyavailableincertainmodes)

• Current date and time

• Battery charge status



Measured RMS values associated with waveforms.



Values of signals at an instant “t”, at the intersection of cursor and the waveforms.

The cursor can be moved along the time scale by pressing the

buttons.