HT65
EN - 17
5.10. AC CURRENT MEASUREMENT WITH TRANSDUCER CLAMPS
CAUTION
x Maximum current measurement in this function is 3000A. Do not measure
currents exceeding the limits given in this manual
x The instrument performs the measurement by using both flexible
transducer clamp (optional accessory F3000U) and other standard clamp
transducers of HT family. For transducer clamps with Hypertac output
connector is necessary the NOCANBA optional adapter in order to
perform the connection
Fig. 11: Use of the instrument for AC current measurement with transducer clamps
1. Select position
2. Press RANGE key to select on the instrument the same range set on the transducer
clamp among the options: 1000mA,10A, 30A, 40A (only HT4006), 100A,300A, 400A
(only HT4006),1000A, 3000A.The selected range appear for 2s on the display
3. Insert the red cable into input terminal Hz%V
and the black cable into input
terminal COM. For other standard transducers (see § 7.3.2) with Hypertac connector
use the NOCANBA optional accessory. For information about the use of transducer
clamps refer to relative user manual
4. Insert the cable inside the jaw (see Fig. 32). The value of current appears on the
display
5. Press and hold the MODE key to select measurements
“Hz” o “%” in order to display
the values of frequency and duty cycle of input current. Press and hold again the
MODE key to go back to current measurement
6. If the display shows the message
“OL”, the maximum measurable value has been
reached
7. To use the HOLD, RANGE and REL functions, see § 4.2
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