GMC-I Messtechnik GmbH
41
V/Hz,
, Temperature,
and A/Hz Measurements
5.7.2 Alternating Current and Frequency Measurement, Direct Connec-
tion, A AC and Hz (METRAHIT AM X-TRA / AM TECH / AM PRO /
X-
TRA
/ O
UTDOOR
/ T
ECH
/ P
RO
/ SECULIFEHIT
AM
/
MD
only)
➭
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
TRMS
and Hz are alternately selected, and
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.
COM
mA A
V
Temp
~
R
x
~
R
x
1
3
2
A~
Hz
A~
Hz
003
.
50
A
AC
TRMS
050
.
10
Hz
AC
8
.
8
.
8
.
8
.
8
!
I > 10 A
!
I > 16 A
Current measurement
may only be performed
with installed batteries!
Measuring Ranges:
Current
FUNC
ENTER
AM XTRA /
X-
TRA
/ O
UTDOOR
METRA
HIT AM PRO /
P
RO
1 A / 10 A (16 A max. 30 s)
100
A / 1 mA
10 mA / 100 mA
1 A / 10 A (16 A max. 30 s)
METRA
HIT AM TECH /
T
ECH
10 mA / 100 mA
1 A / 10 A (16 A max. 30 s)
SECULIFE
HIT
AM
/
MD
www.
.com
1.800.561.8187
