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Description of the Operating Elements
Fig. 2.2: Back panel of HM8118
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48
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31
N-Θ / . – Selection of the measurement function ‘Turns
ratio‘ N and ‘Phase angle‘ Θ resp. parameter input of
the character “. “
32
C-R / 4 – Selection of the measurement function ‘Ca-
pacitance‘ C and ‘Resistance‘ R resp. entering numeric
value 4
33
G-B / 0 (Pushbutton)
Selection of the measurement function ‘Conductance‘
G and ‘Susceptance‘ B resp. entering numeric value 0
34
C-D / 3 – Selection of the measurement function ‘Capa-
citance‘ C and ‘Dissipation factor‘ D resp. entering nu-
meric value 3
35
R-X / 9 – Selection of the measurement function ‘Resis-
tance‘ R and ‘Reactance‘ X resp. entering numeric value 9
36
L-R / 2 – Selection of the measurement function ‘Induc-
tance‘ L and ‘Resistance‘ R resp. entering numeric value 2
37
Y-Θ / 8 – Selection of the measurement function ‘Ad
-
mittance‘ Y and ‘Phase angle‘ Θ resp. entering numeric
value 8
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L-Q / 1 – Selection of the measurement function ‘Induc-
tance‘ and ‘Quality factor‘ Q resp. entering numeric value 1
39
Z-Θ / 7 – Selection of the measurement function ‘Im
-
pedance‘ Z and ‘Phase angle‘ Θ resp. entering numeric
value 7
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DISPLAY MODE – Toggling the display of measurement
values with / without parameters
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RECALL / STORE – Loading/storing of instrument
settings
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REMOTE / LOCAL – Toggling between front panel (LO-
CAL) or remote operation (LED lights up); if local lock-
out was activated, the instrument can not be operated
from the front panel.
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Ground (4 mm socket) – Ground connector ( ). The so-
cket is directly connected to the mains safety ground!
Back panel of HM8118
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TRIG. INPUT (BNC socket) –
Trigger input for external trigger
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BIAS FUSE (Fuse holder) –
Fuse for external voltage input ext. BIAS
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EXT. BIAS (4 mm safety sockets) –
External bias input (+, –)
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INTERFACE – HO820 Dual Interface USB/RS-232 (gal-
vanically isolated) is provided as standard
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BINNING INTERFACE (25 pin D-Sub socket) –
Output to control external binning sorters for compo-
nents (option HO118)
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POWER INPUT (Power Cord Receptacle)