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.

WCaution

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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