Fluke 1744 Uživatelský manuál stáhnout pdf (Strana 25)

1744/1743

Users Manual

• 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.

• 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.

• All accessories must be approved for 600 V CAT III or

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.

• Connect clip-on current transformers and/or Flexi Set

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.

W Caution

To avoid damage, use the 1744/1743 Power Quality Logger,

only with the following nominal voltages:

• Single-/3-phase, 4-wire (Wye) systems (P-N): 69 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.

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Fluke 1744 Uživatelský manuál Strana 25