Fluke 1743 User Manual
1744/1743
Users Manual
16
•
Use only the current probes specified in this manual. If
you use flexible current probes, wear suitable
protective gloves or work on de-energized conductors.
you use flexible current probes, wear suitable
protective gloves or work on de-energized conductors.
•
Do not expose the Logger to moisture or humidity.
•
To prevent electrical shock, always connect power
supply and voltage test leads to the Logger before
connecting to the load.
supply and voltage test leads to the Logger before
connecting to the load.
•
All accessories must be approved for 600 V CAT III or
higher.
higher.
•
Use the Logger only with its original standard
equipment or with approved optional accessories, as
listed in Table 2 and Table 3 in this manual.
equipment or with approved optional accessories, as
listed in Table 2 and Table 3 in this manual.
•
Connect clip-on current transformers and/or Flexi Set
to insulated live conductors only.
to insulated live conductors only.
•
If measuring sensors are to be connected to non-
insulated live conductors, additional personal
protective measures must be taken as required by local
government agencies.
insulated live conductors, additional personal
protective measures must be taken as required by local
government agencies.
W
Caution
To avoid damage, use the 1744/1743 Power Quality Logger,
only with the following nominal voltages:
only with the following nominal voltages:
•
Single-/3-phase, 4-wire (Wye) systems (P-N): 69 V
to 480 V
to 480 V
•
3-phase 3-wire (Delta) systems (P-P): 120 V to 830 V
WX
Warning
To avoid electrical shock, or damaging the Logger’s
internal protective circuitry or weatherproof seal, do not
open the Logger.
internal protective circuitry or weatherproof seal, do not
open the Logger.