GW Instek GDM-834X Series - Measure Db

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.
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.
Display
dB
measurement
Voltage
reading
dB
SDC
V
View the dBm
Reference Value
To view the dBm reference value, press the
2ND key.
The Up and Down arrow keys can also be used
to change the voltage range or the reading.
Exit dB
Measurement
Press the SHIFT → Ω/ key again to exit the
dB measurement, or simply activate another
measurement function.
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com