Alternating Current And Frequency Measurement, Direct Connection; A Ac And Hz - Gossen MetraWatt METRAHIT PM TECH Operating Instructions Manual

V/Hz, , Temperature,
and A/Hz Measurements
7.7.2 Alternating Current and Frequency Measurement, Direct Connec-
tion, A AC and Hz
➭ First disconnect supply power from the measuring circuit or
the power consumer (1), and discharge any capacitors.
➭ In accordance with the current or frequency to be measured,
turn the rotary switch to A~ or Hz.
➭ Select the desired measured quantity by briefly pressing the
FUNC | ENTER multifunction key. Each time the key is pressed,
AC and Hz are alternately selected, and
TRMS
switching is acknowledged with an acoustic signal.
➭ Safely connect the measuring instrument (without contact
resistance) in series to the power consumer as shown.
➭ Switch supply power to the measuring circuit back on (3).
➭ Read the display. Make a note of the measured value if the
instrument is not being operated in the memory mode or the
transmission mode.
➭ Disconnect supply power from the measuring circuit or the
power consumer (1) once again, and discharge any
capacitors.
➭ Remove the test probes from the measuring point and return
the measuring circuit to its normal condition.
39
A~
Hz
Current measurement
!
may only be performed
with installed batteries!
8.8.8.8.8
Measuring Ranges:
METRAHIT PM XTRA / PM TUNE
600 A / 6 mA
60 mA / 600 mA
6 A / 10 A (16 A max. 30 s)
METRAHIT PM TECH / E
TECH
60 mA / 600 mA
6 A / 10 A (16 A max. 30 s)
METRAHIT EU PRO / E
SPECIAL
6 A / 10 A (16 A max. 30 s)
1
~
R
x
003.50
A~
AC
TRMS
A
FUNC
ENTER
050.10
AC
Hz
E
/
XTRA
COM mA A
!
I > 10 A
2
3
I > 16 A
~
Current
R
x
Gossen Metrawatt GmbH
Hz