METREL A 1391 Instruciton Manual

A 1391 - 40A/300A
AC/DC CURRENT CLAMP
INSTRUCTION MANUAL
Code No.
INTRODUCTION
1 -1 Unpacking and Inspection
Upon removing your new Current Clamp Meter from its packing, you should have the following items:
1. Current Clamp with coiled cable output plugs.
2. Carrying Case.
3. Instruction manual.
1 -2 Meter Safety
Terms as Marked on Equipment
ATTENTION — Refer to manual
DOUBLE INSULATION — Protection Class II.
DANGER — Risk of electric shock.
Application around and removal from HAZARDOUS LIVE conductors is permitted.
Symbols in this Manual
This symbol indicates where cautionary or other information is found in the manual.
1 -3 Front Panel
Refer to Figure 1 and the following numbered steps to familiarize yourself with the meter's front panel controls and
connectors.
1. Red LED — Low battery display.
2. Green LED — Power on display.
3. Coiled Cable Output Leads — Voltage output.
4. Function Switch — Function select switch used to select measuring function.
5. DC Zero Button — DCA AUTO ZERO on DC current ranges.
6. Trigger — Press the lever to open the transformer jaws.
7. Transformer Jaws — Designed to pick up the a.c./d.c. current following through the conductor.
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