Control Elements - Unitest 8986 Mode D'emploi

5.0 Control Elements

Indications in Display
(Also refer to display indications in chapter 7.0):
1) Warning symbol...
2) Limit:/Probe/Unoise
3) Battery condition indication
4) Indication of units (depending on the selection
made (8)) for V, kW, mA
5) Frequency indication
f1=127Hz/ f2=140Hz
6) Automatic/manual frequency selection
7) Contact voltage
8) Measurement variable indication (only in Ger-
man version !)
Control Elements
9) Connecting sockets for test leads:
auxiliary ground...(H)........
probe...................(S).........
ground probe ......(ES).......
ground.................(E).........
10) LC Display
11) Key for contact voltage:..
50V/ 25V (25V for medical and
agricultural applications )
12) Key for manual frequency:........
f1=127Hz/ f2=140Hz
13) Measurement method selection switch:
Off, 4pole, 3pole, 2pole measurement
14) Start key
15) Battery case instrument rear
16) Key for automatic/
manual frequency selection:..
17) Selection key for measurement variable
indication (8) in display:
RE - grounding resistance
RH - auxiliary ground resistance
RS - probe resistance
Im - measurement current
black
yellow
red
blue
17
16
Control Elements
9
10
11
12
13
14
15
23