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Digital Meters GDM 350B Maximize

Digital Meters GDM 350B

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.

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 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.


Features

  • (GDM-350B)
  • * 4 1/2 Digits 19999 counts (GDM-451)
  • * 3 1/2 Digits 1999 counts (GDM-356/350B)
  • * Manual Ranging
  • * Continuity Beeper/Diode Test
  • * Data Hold
  • * hFE Test (only GDM-350B)
  • * Temperature Measurement
  • * Capacitance, Frequency Measurement (Except GDM-350B)

 


Specification

DC VOLTAGE

Range

 200mV, 2000mV, 20V, 200V, 250V(GDM-350B)

Best Accuracy

(0.7%rdg + 3 digits) for GDM-395; ±(0.5%rdg + 2 digits) for GDM-350B

 

 

AC VOLTAGE

Range

4V, 40V, 400V, 600V(GDM-395); 200V, 250V(GDM-350B)

Best Accuracy

(1.2%rdg + 3 digits) for GDM-350B

Input Impedance

4.5MΩ for GDM-350B

DC CURRENT

Range

400µA, 4000µA, 40mA, 400mA, 4A,10A(GDM-397); 2000µA, 20mA, 200mA, 10A(GDM-350B)

Best Accuracy

(1.0%rdg + 2 digits) for GDM-397/394/396/350B

AC CURRENT

Range

 

Best Accuracy

 

RESISTANCE

Range

20MΩ 6 ranges(GDM-350B)

Best Accuracy

±(0.8%rdg + 1 digit) for GDM-356; ±(0.8%rdg + 5 digits) for GDM-350B

CONTINUITY BEEPER

Buzzer sounds if conductance less than 10Ω for GDM-461/397/350B

DIODE TEST

Open Circuit Voltage

GDM-350B : 2.3V(Approx.)

CAPACITANCE

Range

 

Best Accuracy

 

FREQUENCY

Range

 

Best Accuracy

 

TEMPERATURE

Range

-40ºC ~ 1000ºC

Best Accuracy

±(1.2%rdg + 4 digits) for GDM-397; ±(1.0%rdg + 3 digits) for GDM-350B

SPECIAL FUNCTION

hFE Test(GDM-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

72(W) x 137(H) x 35(D) mm, Approx. 200g (GDM-350B)

 

Accessories

User manual x1, Test leads, Battery