MI 2087 Instaltest 61557
Measurement instructions
24
3.4. Continuity
The function is intended to be used especially when arranging terminal-to-terminal
connections, maintaining and/or repairing electric equipment, carrying out auxiliary
measurements etc. The function operates continuously and serves as ordinary
Ω
-
meter with low test current.
For additional general information concerning Continuity measurement, refer to
enclosed handbook
Measurements on electric installations in practice and
theory
.
Warning!
•
Make sure tested object to be deenergised (mains voltage disconnected), before
starting the measurement! If test tips are connected to mains voltage during the
measurement is running, fuse M 0,315A/250V (placed in vertical plastic cylinder
under battery cover) will blow (see the chapter 5.2. Fuses).
How to carry out the measurement?
Step 1
•
Connect test cable
(Universal test cable or Tip Commander) to Instaltest 61557.
•
Set function switch to
R
±±±±
200mA
position and press the
DISPLAY
key, to enter
“General Continuity initial menu”; see the figure below:
Fig. 17.
General Continuity initial menu
Step 2
•
Press the
START
key and release it. Measurement starts to run (continuous
measurement), results are currently displayed.
Step 3
•
Connect test leads
to tested object according to the figures below and follow
displayed result or sound information (result is accompanied with bip, bip, …
sound signal, if displayed value is lower than 20
Ω
).
C
9
......... Resistance of test leads has
been compensated in
Continuity of protective
conductors
function.
