Products

GW INSTEK GDM-451/396/394/395/356

Features

The GDM-300/400 Series Hand Held DMM are a compact, high precision, battery operated multimeter series designed to meet most of the daily needs for design engineers as well as service engineers. The GDM-300/400 series design is driven by mobile-oriented features, such as automatic power down to preserve battery life, a large backlight display for crisp viewing, a rotary selector switch and clear-cut push buttons to ease operation. The basic functions match the depth of bench-top multimeters: fuse-protected current input, true RMS for accurate AC measurements, Auto ranging, Duty cycle, and Relative mode. These compact, reliable, and economical devices are ideal for any engineer.

DC VOLTAGE

Range

200mV, 2V, 20V, 200V, 1000V(GDM-451/356)

400mV, 4V, 40V, 400V, 1000V(GDM-394/396)

400mV, 4V, 40V, 400V, 600V(GDM-395)

Best Accuracy

±(0.05%rdg + 3 digits) for GDM-451

±(0.5%rdg + 1 digit) for GDM-356; ±(0.8%rdg + 1 digit) for GDM-394/396

±(0.7%rdg + 3 digits) for GDM-395

Input Impedance

10 MΩ

AC VOLTAGE

Range

2V, 20V, 200V, 750V(GDM-451/356)

4V, 40V, 400V, 750V(GDM-394/396)

4V, 40V, 400V, 600V(GDM-395)

Best Accuracy

±(0.5%rdg + 10 digits) for GDM-451

±(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

Input Impedance

10 MΩ (2MΩ for GDM-451)

DC CURRENT

Range

2mA, 20mA, 200mA, 20A(GDM-451); 20mA, 200mA, 20A(GDM-356)

400µA, 4mA, 40mA, 400mA, 4A,10A(GDM-394/396)

Best Accuracy

±(0.5%rdg + 5 digits) for GDM-451

±(1.0%rdg + 2 digits) for GDM-394/396; ±(0.8%rdg + 1 digit) for GDM-356

AC CURRENT

Range

20mA, 200mA, 20A(GDM-451/356)

400µA, 4mA, 40mA, 400mA, 4A,10A(GDM-394/396)

Best Accuracy

±(0.8%rdg + 10 digits) for GDM-451

±(1.5%rdg + 5 digits) for GDM-394/396; ±(1.0%rdg + 3 digits) for GDM-356

RESISTANCE

Range

200Ω ~ 200MΩ 7 ranges(GDM-451/356)

400Ω ~ 40MΩ 6 ranges(GDM-394/395/396)

Best Accuracy

±(0.3%rdg + 1 digit) for GDM-451

±(1.0%rdg + 2 digits) for GDM-394/396; ±(2.0%rdg + 5 digits) for GDM-395

±(0.8%rdg + 1 digit) for GDM-356

CONTINUITY BEEPER

Buzzer sounds if conductance less than 70Ω for GDM-451/394/395/396/356

DIODE TEST

Open Circuit Voltage

GDM-451/356 : 2.8V(Approx.); GDM-394/395/396 : 1.48V(Approx.)

CAPACITANCE

Range

2nF, 20nF, 2µF, 20µF(GDM-451); 20nF, 200nF, 2µF, 100µF(GDM-356)

40nF, 400nF, 4µF, 40µF, 100µF(GDM-394/395/396)

Best Accuracy

±(3.0%rdg + 5 digits) for GDM-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

1Hz ~ 20kHz(GDM-451/356)

10Hz ~ 10MHz(GDM-394/396); 1Hz ~ 99.9kHz(GDM-395)

Best Accuracy

±(1.5%rdg + 5 digits) for GDM-451/356

±(0.1%rdg + 3 digits) for GDM-394/396

±(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

SPECIAL FUNCTION

Auto Ranging(GDM-396/395/394); True RMS(GDM-396); RS-232C(GDM-396)

Display Backlight(GDM-451/396/394/356)

LCD DISPLAY

4 1/2 digits(GDM-451),

3 3/4 digits(GDM-396/395/394), 3 1/2 digits(GDM-356)

POWER SOURCE

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

DIMENSIONS & WEIGHT

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)

56(W) x 110(H) x 11.5(D) mm, Approx. 97g (GDM-395)

 

Specification :

User manual x1, Test leads, Battery

Ordering Information : 

GDM-451 4 1/2 Digits Hand-Held DMM
GDM-396 3 3/4 Digits Hand-Held DMM with True RMS Measurement and RS-232C Interface
GDM-394 3 3/4 Digits Hand-Held DMM
GDM-395 3 3/4 Digits Slim-Pocket DMM
GDM-356 3 1/2 Digits Hand-Held DMM

Location

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