| Model | Type | Digits | Vdc Low Range | Vdc High Range | Basic Vdc Accuracy | Measurements |
| GDM-350A | Handheld | 3.5 | 200 mV | 500 kV | 0.5% | DCV, ACV, Resistance, Continuity, Diode, DCA, ACA, Temperature |
GDM-395 | Handheld | 3.75 | 400 mV | 600 V | 0.7% | DCV, ACV, Resistance, Continuity, Diode, Frequency, Capacitance | GDM-356 | Handheld | 3.5 | 200 mV | 1 kV | 0.5% | DCV, ACV, Resistance, Continuity, Diode, DCA, ACA, Frequency, Capacitance, Temperature | GDM-394 | Handheld | 3.75 | 400 mV | 1 kV | 0.8% | DCV, ACV, Resistance, Continuity, Diode, DCA, ACA, Frequency, Capacitance, Duty cycle | GDM-451 | Handheld | 4.5 | 200 mV | 1 kV | 0.05% | DCV, ACV, Resistance, Continuity, Diode, DCA, ACA, Frequency, Capacitance, Temperature | GDM-396 | Handheld | 3.75 | 400 mV | 1 kV | 0.8% | DCV, ACV, Resistance, Continuity, Diode, DCA, ACA, Frequency, Capacitance, TRMS, Temperature, Duty cycle | GDM-8245 | Benchtop | 4.5 | 500 mV | 2 kV | 0.03% | DCV,ACV,DCA,ACA,Resistance,Diode | GDM-8145 | Benchtop | 4.5 | 200 mV | 2 kV | 0.03% | DCV,ACV,DCA,ACA,Resistance,Diode | GDM-8034 | Benchtop | 3.5 | 200 mV | 1 kV | 0.5% | DCV,ACV,DCA,ACA,Resistance,Diode | GDM-8135 | Benchtop | 3.5 | 200 mV | 2 kV | 0.1% | DCV,ACV,DCA,ACA,Resistance,Diode | GDM-8246 | Benchtop | 4.5 | 500 mV | 2 kV | 0.02% | DCV,ACV,DCA,ACA,Resistance,Diode |