GW Instek GDM-397 - Diode Test; Continuity Test

GDM-397/GDM-461 User Manual
55
Diode Test
Model
Resolution
Remarks
Overload Protection
GDM-397
0.001V
Open circuit voltage
around 2.8V
1000Vdc / 750Vac
GDM-461
0.0001V
Continuity Test
Model
Resolution
Overload Protection
GDM-397
0.1Ω
1000Vdc / 750Vac
GDM-461
0.01Ω
 GDM-397:
 Open circuit voltage is around 0.45V.
 Broken circuit resistance value is around > 35Ω, the buzzer does not
beep.
 Good circuit resistance value is ≤10Ω, the buzzer beeps continuously.
 GDM-461:
 Open circuit voltage is around –3V.
 Broken circuit resistance value is around > 30Ω, the buzzer does not
beep.
 Good circuit resistance value is ≤10, the buzzer beeps continuously.