GDM-397/GDM-461 User Manual
3
O
VERVIEW
This User Manual covers information on safety and cautions. Please read the
relevant information carefully and observe all the Warnings and Notes.
Warning
To avoid electric shock or personal injury, read the “Safety Information” and
“Rules for Safe Operation” carefully before using the Meter.
Digital Multimeter Model GDM-397 and GDM-461 (True RMS) (hereafter referred
to as “the Meter”) are auto ranging multimeters.
The Meter can measure AC/DC Voltage and Current, Resistance, Diode,
Continuity Buzzer, Capacitance, Frequency and Temperature (
˚
C or
˚
F). In addition
to the conventional measuring functions, there is an RS232C or USB serial port
(optional), data hold, relative mode, peak measurement (GDM-461), low battery
display, display backlight (GDM-397) and sleep mode. Except where noted, the
descriptions and instructions in this User Manual apply to both
GDM-397
and
GDM-461
.
Summary of Contents for GDM-397
Page 22: ...MEASUREMENT OPERATION 20 C Resistance Measurement see figure 4 mAuA COM V Hz figure 4...
Page 25: ...GDM 397 GDM 461 User Manual 23 D Testing for Continuity see figure 5 figure 5...
Page 27: ...GDM 397 GDM 461 User Manual 25 E Testing Diodes see figure 6 figure 6...
Page 30: ...MEASUREMENT OPERATION 28 F Capacitance Measurement see figure 7 mAuA V Hz figure 7...
Page 35: ...GDM 397 GDM 461 User Manual 33 H Temperature Measurement GDM 397 only see figure 9 figure 9...
