GDM-300/400 Series

DC VOLTAGE

Range

220mV 2.2V 22V 220V 1000V(GDM-461); 200mV 2V 20V 200V 1000V(GDM-451/356)
40mV 400mV 4V 40V 400V 1000V(GDM-397); 400mV 4V 40V 400V 1000V(GDM-394/396)
400mV 4V 40V 400V 600V(GDM-395); 200mV 2000mV 20V 200V 250V(GDM-350B)

Best Accuracy

±(0.1%rdg + 2 digits) for GDM-461;±(0.05%rdg + 3 digits) for GDM-451
±(0.5%rdg + 1 digit) for GDM-397/356;±(0.8%rdg + 1 digit) for GDM-394/396
±(0.7%rdg + 3 digits) for GDM-395;±(0.5%rdg + 2 digits) for GDM-350B

Input Impedance

10 MΩ(3000MΩfor mV range of GDM-461/397)

AC VOLTAGE

Range

220mV 2.2V 22V 220V 750V(GDM-461); 2V 20V 200V 750V(GDM-451/356)
40mV 400mV 4V 40V 400V 750V(GDM-397); 4V 40V 400V 750V(GDM-394/396)
4V 40V 400V 600V(GDM-395); 200V 250V(GDM-350B)

Best Accuracy

±(0.8%rdg + 10 digits) for GDM-461;±(0.5%rdg + 10 digits) for GDM-451
±(1.0%rdg + 3 digits) for GDM-397;±(1.0%rdg + 5 digits) for GDM-394/396
±(0.8%rdg + 3 digits) for GDM-356;±(2.3%rdg + 5 digits) for GDM-395
±(1.2%rdg + 3 digits) for GDM-350B

Input Impedance

10 MΩ(3000MΩfor mV range of GDM-461/397; 4.5MΩfor GDM-350B; 2MΩ for GDM-451)

DC CURRENT

Range

220μA 2200μA 22mA 220mA 10A(GDM-461); 2mA 20mA 200mA 20A(GDM-451)
400μA 4000μA 40mA 400mA 4A10A(GDM-397); 2000μA 20mA 200mA 10A(GDM-350B)
400μA 4mA 40mA 400mA 4A10A(GDM-394/396); 20mA 200mA 20A(GDM-356)

Best Accuracy

±(0.5%rdg + 10 digits) for GDM-461;±(0.5%rdg + 5 digits) for GDM-451
±(1.0%rdg + 2 digits) for GDM-397/394/396/350B;±(0.8%rdg + 1 digit) for GDM-356

AC CURRENT

Range

220μA 2200μA 22mA 220mA 10A(GDM-461); 20mA 200mA 20A(GDM-451/356)
400μA 4000μA 40mA 400mA 4A10A(GDM-397)
400μA 4mA 40mA 400mA 4A10A(GDM-394/396)

Best Accuracy

±(0.8%rdg + 10 digits) for GDM-461/451;±(1.2%rdg + 5 digits) for GDM-397
±(1.5%rdg + 5 digits) for GDM-394/396;±(1.0%rdg + 3 digits) for GDM-356

RESISTANCE

Range

220Ω~ 220MΩ7 ranges(GDM-461); 200Ω~ 200MΩ7 ranges(GDM-451/356)
400Ω~ 40MΩ6 ranges(GDM-394/395/396/397); 200Ω~ 20MΩ6 ranges(GDM-350B)

Best Accuracy

±(0.5%rdg + 10 digits) for GDM-461;±(0.3%rdg + 1 digit) for GDM-451
±(1.0%rdg + 2 digits) for GDM-394/396/397;±(2.0%rdg + 5 digits) for GDM-395
±(0.8%rdg + 1 digit) for GDM-356;±(0.8%rdg + 5 digits) for GDM-350B

CONTINUITY BEEPER

Buzzer sounds if conductance less than 70Ωfor GDM-451/394/395/396/356
Buzzer sounds if conductance less than 10Ωfor GDM-461/397/350B

DIODE TEST

Open Circuit Voltage

GDM-461/451/397/356 : 2.8V(Approx.); GDM-394/395/396 : 1.48V(Approx.)
GDM-350B : 2.3V(Approx.)

CAPACITANCE

Range

22nF 220nF 2.2μF 22μF 220μF 2.2mF 22mF 220mF(GDM-461)
40nF 400nF 4μF 40μF 400μF 4000μF(GDM-397);2nF 20nF 2μF 20μF(GDM-451)
40nF 400nF 4μF 40μF 100μF(GDM-394/395/396);20nF 200nF 2μF 100μF(GDM-356)

Best Accuracy

±(3.0%rdg + 5 digits) for GDM-461/397/396/394;±(3.0%rdg + 40 digits) for GDM-451
±(5.0%rdg + 10 digits) for GDM-395;±(4.0%rdg + 3 digits) for GDM-356

FREQUENCY

Range

10Hz ~ 220MHz(GDM-461); 1Hz ~ 20kHz(GDM-451/356)
10Hz ~ 10MHz(GDM-394/396/397); 1Hz ~ 99.9kHz(GDM-395)

Best Accuracy

±(0.01%rdg + 5 digits) for GDM-461;±(1.5%rdg + 5 digits) for GDM-451/356
±(0.1%rdg + 3 digits) for GDM-394/396;±(0.1%rdg + 4 digits) for GDM-397
±(0.7%rdg + 3 digits) for GDM-395

TEMPERATURE

Range

-40ºC ~ 1000ºC

Best Accuracy

±(1.0%rdg + 30 digits) for GDM-451;±(1.0%rdg + 7 digits) for GDM-396/356
±(1.2%rdg + 4 digits) for GDM-397;±(1.0%rdg + 3 digits) for GDM-350B

SPECIAL FUNCTION

Auto Ranging(GDM-461/397/396/395/394); True RMS(GDM-461/396); RS -232C(GDM-461/397/396)
hFE Test(GDM-461/350B); Display Backlight(GDM-451/397/396/394/356); Analogue Bar(GDM-461/397)

LCD DISPLAY

22000 counts(GDM-461) 4 1/2 digits(GDM-451)3 3/4 digits(GDM-397/396/395/394) 3 1/2 digits(GDM-356/350B)

POWER SOURCE

Single 9V Battery ( 6F22) Cell Battery for GDM-395 (CR2032)

DIMENSIONS & WEIGHT

87(W) x 180(H) x 47(D) mm Approx. 370g (GDM-461/397)
85(W) x 177(H) x 40(D) mm Approx. 330g (GDM-396/394)
80(W) x 165(H) x 38.3(D) mm Approx. 275g (GDM-451/356)
72(W) x 137(H) x 35(D) mm Approx. 200g (GDM-350B)
56(W) x 110(H) x 11.5(D) mm Approx. 97g (GDM-395)