HT Instruments F3000 Manual De Instrucciones página 23

5. OPERATING INSTRUCTIONS
5.1. AC CURRENT MEASUREMENT
• In order to meet the meter
conductor as close as possible to the middle of the jaws (see Fig. 2).
•
When the instrument is to be connected/disconnected to/from live
conductors,
is it not possible to remove voltage, take appropriate safety measures
(e.g. wear protective gloves) in order to prevent dangerous electrical
shocks for the operator and damaging the instrument.
•
Disconnect voltage from the circuit to be tested or wear protective gloves
before performing measurement
•
Keep your hand on the reinforced grip of the instrument during
measurements
Correct
Fig. 3: Use of the instrument for AC current measurement
1. Switch on the clamp by pressing the key.
2. Open the jaws and insert the phase cable in the middle of it (see Fig. 3). The display
shows the value of current.
3. The symbol " OL
maximum measurable value.
4. To use the HOLD and MAX/MIN functions, see § 4.2.2 and § 4.2.3.
" indicates that the value of current being tested is higher than the
CAUTION
'
s accuracy specifications, always put the
in
EN - 7
Incorrect
F3000
case