GW Instek GDM-398 - Manual (Page 68)

GENERAL SPECIFICATIONS
66
Diode Test
Model Resolution Remarks Overload Protection
GDM-360/397/398 0.001V Open circuit voltage
around 2.8V
1000Vdc / ac (Vpp)
GDM-461 0.0001V
Continuity Test
Model Resolution Overload Protection
GDM-360/397/398 0.1Ω
1000Vdc / ac (Vpp)
GDM-461 0.01Ω
 GDM-360/397/398:
 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.