GMC-I Gossen-Metrawatt GmbH 25
GB
➭ Set the rotary switch to V~ or V .
➭ Apply the measured quantity in the same fashion as for
voltage measurement.
➭ Select the measuring range for the voltage amplitude.
➭ Briefly press the ESC|FUNC multifunction key until Hz
appears in the display (twice for V~ and once for V ).
The instrument switches to frequency measurement.
The lowest measurable frequencies and maximum allow-
able voltages can be found in chapter 24 “Characteristic
Values”.
➭ From the frequency measurement mode, you can switch
directly back to voltage measurement by pressing and
holding the ESC|FUNC multifunction key, which is
acknowledged with a twice repeated acoustic signal.
The last selected voltage measuring range remains
active.
When switching over to frequency measurement and
events counting mode the voltage measuring range pre-
viously adjusted is maintained.
17 Temperature Measurement
➭ Enter the sensor type (Pt100 or Pt1000), the cable resis-
tance and the desired temperature unit of measure in the
“Setup” menu:
SEt ↵ SEnSr ↵ Pt 100 ↵
XX.X Ω ↵
tunit
°C
tunit
°F
↵
➭ Set the rotary switch to “°C”.
➭ Connect the sensor to the two open connector jacks.
The instrument displays the measured temperature in
the desired unit of measure.
Note!
☞
The cable resistance entered in the Setup menu is
automatically taken into consideration for this mea-
surement.
The default setting is Pt100 and the cable resistance
is equal to 0.1 Ω.
1000V
V
F °C
R
TH
Voltage Drop
Measuring Current
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