Gw Instek GDM-8341 Digital-Multimeter, DMM, GDM-8341 Data Sheet
Product codes
GDM-8341
OPERATION
65
Measure dB
dB is defined as [dBm−dBmref]. When the dB measurement is
activated, the DMM calculates the dBm using the reading at the
first moment and stores it as dBmref.
activated, the DMM calculates the dBm using the reading at the
first moment and stores it as dBmref.
Procedure
1. Select ACV or DCV measurement. See page 33.
2. Press SHIFT → Ω/ key to activate the dB
measurement mode.
The 1st display shows the dB reading the
second display shows the voltage reading.
second display shows the voltage reading.
Display
dB
measurement
Voltage
reading
dB
S
DC
V
View the dBm
Reference Value
Reference Value
To view the dBm reference value, press the
2ND key.
2ND key.
The Up and Down arrow keys can also be used
to change the voltage range or the reading.
to change the voltage range or the reading.
Exit dB
Measurement
Measurement
Press the SHIFT → Ω/ key again to exit the
dB measurement, or simply activate another
measurement function.
dB measurement, or simply activate another
measurement function.