Instek GDM-398 - 3.75 (4,000 Counts) Handheld Digital Multimeter

Name: Instek GDM-398 - 3.75 (4,000 Counts) Handheld Digital Multimeter
Brand: Instek
SKU: InstekGDM-398
Price: 90.00 USD
Availability: InStock

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Handheld DMM 4 3/4 digits w/RS-232, MIN/MAX

4000 counts auto / manual ranging
RS-232 interface
Capacitance, frequency measurement
hFE test / EF function
Data hold and relative mode
Auto power off

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Instek GDM-398 - 3.75 (4,000 Counts) Handheld Digital Multimeter

4000 counts auto / manual ranging
RS-232 interface
Capacitance, frequency measurement
hFE test / EF function

The Instek GDM-398 is a 3.75 (4,000 Counts) hand-held digital multimeter. It can measure AC/DC Voltage and Current, Resistance, Diode, Continuity Buzzer, Capacitance, Frequency and Temperature (˚C or ˚F), hFE and EF function. In addition to the conventional measuring functions there is an RS232C interface, data hold, relative mode, low battery display, display backlight and sleep mode.

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.

SELECTION GUIDE
MODEL	GDM-461	GDM-451	GDM-397	GDM-396	GDM-394	GDM-395	GDM-356	GDM-350B
Max. Display	22000	19999	4000	3999	3999	3999	1999	1999
Auto Ranging	✔		✔	✔	✔	✔
Analog Bar	✔		✔
True RMS	✔			✔
Display Backlight		✔	✔	✔	✔		✔
Fused 10A Range	✔		✔	✔	✔			✔
Auto Power off		✔	✔		✔	✔	✔
DC Voltage	1000V	1000V	1000V	1000V	1000V	600V	1000V	250V
AC Voltage	750V	750V	750V	750V	750V	600V	750V	250V
DC Current	10A	20A	10A	10A	10A		20A	10A
AC Current	10A	20A	10A	10A	10A		20A
Resistance	220MΩ	200MΩ	40MΩ	40MΩ	40MΩ	40MΩ	200MΩ	20MΩ
Capacitance	220mF	20µF	4000µF	100µF	100µF	100µF	100µF
Frequency	220MHz	20kHz	10MHz	10MHz	10MHz	99.9kHz	20kHz
Diode	✔	✔	✔	✔	✔	✔	✔	✔
Continuity	✔	✔	✔	✔	✔	✔	✔	✔
Temperature		✔	✔	✔			✔	✔
Duty Cycle(%)	✔		✔	✔	✔	✔
Transistor (hFE)								✔
REL	✔		✔	✔	✔	✔
Data Hold	✔	✔	✔	✔	✔	✔	✔	✔
Peak Hold	✔
MAX MIN			✔
RS232C	✔		✔	✔

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; 2MΩfor GDM-451)
DC CURRENT
Range	220µA, 2200µA, 22mA, 220mA, 10A(GDM-461); 2mA, 20mA, 200mA, 20A(GDM-451) 400µA, 4000µA, 40mA, 400mA, 4A,10A(GDM-397); 2000µA, 20mA, 200mA, 10A(GDM-350B) 400µA, 4mA, 40mA, 400mA, 4A,10A(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, 4A,10A(GDM-397) 400µA, 4mA, 40mA, 400mA, 4A,10A(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-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 Batteryfor 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)