Resistance Measurement And Continuity Test - Conrad 12 79 49 Bedienungsanleitung

Peak-Hold
PEAK MAX 373.2
PEAK MIN 1.070
REL
Peak-Hold-Funktion
REL Press button "F1" to set the present indication to "0", i.e. all the fol-
lowing measurements are with reference to "0 V". The difference
from the set "zero point" is displayed. During this function the sym-
bol "REL" flashes. To switch off the function, press button F1 once
(flashing stops).
REL P-H AC
F1 F2 F3
RESET RUN PAUSE
P-H In the "Peak Hold" function, the highest ("MAX") and lowest
("MIN") peak voltage values occurring at any time are captured and
indicated. The present measured value always appears In the upper
line of the display (the Peak Hold function can only be called in digi-
tal mode). In the basic menu press button "F2".
dB dB value measurements are also possible with this measuring instru-
ment. The input resistance is established in this connection within
the "INSTALL" function (described under 5.11) and is adjustable
from 2 Ohm to 1 KOhm. The input resistance set at any time is indi-
cated at the top left of the display. "0 dB" corresponds to 0.775 V
rms into 600 Ohm.
To carry out frequency measurement (Hz) or pulse/interval measurement
(Duty) or pulse width measurement (delta t) or period measurement
(delta T), press the "Hz" button (see under 4.4.5).
If the graphical display is preferred, press the "MODE" button once (see
under 4.4.3).
20
370.3 VAC
VAC
VAC
RANGE 400V
RUN PAUSE EXIT
dB basic menu
F4
REL P-H DC dB
F1 F2 F3 F4
EXIT
F1 F2 F3 F4
Attention!
When "-" appears in front of the DC voltage measured value, the mea-
sured voltage is negative (or the test leads are reversed).
28.0
RS232
REL P-H

5.4 Resistance measurement and continuity test

Attention!!!
Ensure that all circuit components, circuits and assemblies and other
objects to be measured are completely voltage-free.
For measurement of resistance up to 40 MOhm max. and (acoustic) con-
tinuity testing to 400 Ohm max., proceed as follows:
a) Set the rotary switch to „Ω/
b) Connect the black test lead to the measuring instrument "COM"
socket and the red test lead to the "V•Ω•Hz"
c) A bar graph is active at the left-hand edge of the screen during mea-
surements, being a high-speed analogue indicator. The bar graph
operates as a trend indicator.
d) Connect the test probes to the object to be measured and, if required,
follow the following button inputs to select available sub-functions:
REL nS
F1 F2 F3
HI-Z
mVdc
RANGE 400mV
DC dB
mV/Hi-Z
"
P-H basic menu
F4
RESET RUN PAUSE EXIT
F1 F2 F3 F4
21