1744/1743

Users 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.

Qualified Personnel

The following qualifications are required for using the Logger safely:

•Trained and authorized to switch on/off, ground (earth), and mark power distribution circuits and devices in accordance with electrical engineering safety standards.

•Trained or instructed in safety engineering standards for maintaining and using appropriate safety equipment.

•Trained in first aid.

Standard Equipment and Optional Accessories

Table 2 lists the standard equipment for the 1744/1743 Power Quality Logger, and Table 3 lists optional accessories.

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