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Instek GDM-391A Multimeter
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Instek GDM-391A Multimeter


GDM-391A

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Low Price Guarantee
Low Price Guarantee

Features:
  • Multi Function: AC/DC Voltage, AC/DC Current, Resistance, Capacitance and Frequency Measurement

  • Audible Continuity Check and Diode Test

  • 3¾ Digit, 3999 Counts

  • Auto/Manual Ranging

  • 40 Segment Analogue Bar Graph

  • Data Hold

  • Max/Min Memory

  • Relative Mode

  • High Energy Fused for 10A Range

  • Auto Power Off

  • Optional Holster Available


Model Description List Price Sale Price
GDM-391A 3.75 digit hand-held Multimeter - Discontinued - replaced by Instek GDM-394

Specifications

DC Voltage Range: 400mV, 4V, 40V, 400V, 1000V in 5 ranges
Accuracy: ±(0.25% reading + 1 digit)
Input Impedance: 10MW
AC Voltage
(50Hz ~ 500Hz)
Range: 400mV, 4V, 40V, 400V, 750V in 5 ranges
Accuracy: ±0.75% reading ~ ±5% reading depending on range
Input Impedance: 10MW
DC Current Range: 4mA, 40mA, 400mA, 10A in 4 ranges
Accuracy: ±0.5% reading ~ ±2% reading depending on range
AC Current
(50Hz ~ 500Hz)
Range: 4mA, 40mA, 400mA, 10A in 4 ranges
Accuracy: ±0.75% reading ~ ±3% reading depending on range
Resistance Range: 400W ~ 40MW in 6 ranges
Accuracy: ±0.2% reading ~ ±2% reading depending on range
Capacitance Range: 4nF, 40nF, 400nF, 4µF, 40µF in 5 ranges
Accuracy: ±(5.0% reading + 10 digits)
Frequency Range: 100Hz ~ 700kHz in 5 ranges
Resolution: 0.1Hz, 1Hz, 10Hz, 100Hz, 1kHz
Accuracy: ±(0.05% reading + 2 digits)
Diode Test Test Current: 1mA ±0.6mA
Open Voltage: 3.0V typical
Continuity Beeper Description: Buzzer sounds if conductance less than 50W ±30W
Other Details Display: 3¾ digit LCD display
Power Source: Single 9V PP3 battery
Accessories: Battery x 1, Instruction manual x 1, Test lead set x 1
Options: Holster (type HC32)
Dimensions: 90mm (w) x200mm (h) x 40mm (d)
Weight: 400g approx




   
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