GW INSTEK GDM-8255A Dual Display Digital Multimeter (0.012%, 5 1/2 digit)

Manufacturer: GW INSTEK
Model: GDM-8255A
Origin: China
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Specifications
Manufacturer Info

	GDM-8255A
FULL SCALE
	199,999 Counts
SAMPLAE RATE
Slow	5 1/2 digits, 10 readings/second
Medium	4 1/2 digits, 30 readings/second
Fast	3 1/2 digits, 60 readings/second
DC VOLTAGE
Range	100mV, 1V, 10V, 100V, 1000V 5 ranges
Accuracy	±(0.012% rdg + 5 digits)
Input Impedance	10MΩ
AC VOLTAGE True RMS
Range	100mV, 1V, 10V, 100V, 750V 5 ranges
Accuracy	20Hz~45Hz : ±(1% rdg + 100 digits) 45Hz ~ 10kHz : ±(0.2% rdg + 100 digits) 10kHz ~ 30kHz :±(1% rdg + 100 digits) 30kHz~100kHz : ±(3% rdg + 200 digits)
Input Impedance	1.1MΩ in parallel with approx. 100pF
DC CURRENT
Range	10mA, 100mA, 1A, 10A 4ranges
Accuracy	10mA , 100mA : ±(0.05% rdg + 15 digits) 1A, 10A range : ±(0.2% rdg + 5 digits)
AC CURRENT True RMS
Range	10mA, 100mA, 1A, 10A 4ranges
Accuracy	10mA , 100mA range: 20Hz ~ 50Hz : ±(1.5% rdg + 100 digits) 50Hz ~ 10kHz : ±(0.5% rdg + 100 digits) 10kHz~20kHz : ±(2% rdg + 200 digits) 1A , 10A range: 50Hz~10kHz : ±(1% rdg + 100 digits)
RESISTANCE
Range	100Ω, 1kΩ, 10kΩ, 100kΩ, 1MΩ, 10MΩ, 100MΩ 7 ranges
2W Accuracy	100Ω range : ±(0.1% rdg + 8 digits)() 1kΩ range : ±(0.08% rdg + 5 digits)() 10kΩ ~ 1MΩ 3 ranges : ±(0.06% rdg + 5 digits) 10MΩ range : ± (0.3% rdg + 5 digits) 100MΩ range : ±(3% rdg + 8 digits)
4W Accuracy	100Ω range : ±(0.05% rdg + 8 digits) 1kΩ ~ 1MΩ 4 ranges : ±(0.05% rdg + 5 digits) 10MΩ range : ±(0.3% rdg + 5 digits) 100MΩ range : ±(3% rdg + 8 digits)
DIODE TEST
	Open Circuit Voltage 2.0V Test Current 0.5mA
FREQUENCY
	10Hz~800kHz
CONTINUITY BEEPER
	1 ~ 1000Ω Define by user
TEMPERATURE
	0° C ~ 300° C : J , K , T Type
OTHER FUNCTIONS
	Auto range / Manual, Math : MX + B/ % / 1/X Max, Min, dBm, dB, REL, Hold, Compare, Store, Recall
DISPLAY
	VFD, Two Colors Display
INTERFACE
	Digital I/O, USB Device, RS-232C
POWER SOURCE
	AC 100V-240V ±10%, 50/60Hz
OPTIONAL
	GDM-SC1 : Multi-channels (16+2) Scanner Card (Up to 2 sets of GDM-SC1 can be installed at same time for one GDM-8255A)
DIMENSIONS & WEIGHT
	265(W) x 107(H) x 350(D) mm Approx. 2.6 kg
Note : (*)USE "REL" Mode

Details

	GDM-8255A	GDM-8251A
FULL SCALE
	199,999 Counts	120,000 Counts
SAMPLAE RATE
Slow	5 1/2 digits, 10 readings/second
Medium	4 1/2 digits, 30 readings/second
Fast	3 1/2 digits, 60 readings/second
DC VOLTAGE
Range	100mV, 1V, 10V, 100V, 1000V 5 ranges
Accuracy	±(0.012% rdg + 5 digits)
Input Impedance	10MΩ
AC VOLTAGE True RMS
Range	100mV, 1V, 10V, 100V, 750V 5 ranges
Accuracy	20Hz~45Hz : ±(1% rdg + 100 digits) 45Hz ~ 10kHz : ±(0.2% rdg + 100 digits) 10kHz ~ 30kHz :±(1% rdg + 100 digits) 30kHz~100kHz : ±(3% rdg + 200 digits)
Input Impedance	1.1MΩ in parallel with approx. 100pF
DC CURRENT
Range	10mA, 100mA, 1A, 10A 4ranges
Accuracy	10mA , 100mA : ±(0.05% rdg + 15 digits) 1A, 10A range : ±(0.2% rdg + 5 digits)
AC CURRENT True RMS
Range	10mA, 100mA, 1A, 10A 4ranges
Accuracy	10mA , 100mA range: 20Hz ~ 50Hz : ±(1.5% rdg + 100 digits) 50Hz ~ 10kHz : ±(0.5% rdg + 100 digits) 10kHz~20kHz : ±(2% rdg + 200 digits) 1A , 10A range: 50Hz~10kHz : ±(1% rdg + 100 digits)
RESISTANCE
Range	100Ω, 1kΩ, 10kΩ, 100kΩ, 1MΩ, 10MΩ, 100MΩ 7 ranges
2W Accuracy	100Ω range : ±(0.1% rdg + 8 digits)() 1kΩ range : ±(0.08% rdg + 5 digits)() 10kΩ ~ 1MΩ 3 ranges : ±(0.06% rdg + 5 digits) 10MΩ range : ± (0.3% rdg + 5 digits) 100MΩ range : ±(3% rdg + 8 digits)
4W Accuracy	100Ω range : ±(0.05% rdg + 8 digits) 1kΩ ~ 1MΩ 4 ranges : ±(0.05% rdg + 5 digits) 10MΩ range : ±(0.3% rdg + 5 digits) 100MΩ range : ±(3% rdg + 8 digits)
DIODE TEST
	Open Circuit Voltage 2.0V Test Current 0.5mA
FREQUENCY
	10Hz~800kHz
CONTINUITY BEEPER
	1 ~ 1000Ω Define by user
TEMPERATURE
	0° C ~ 300° C : J , K , T Type
OTHER FUNCTIONS
	Auto range / Manual, Math : MX + B/ % / 1/X Max, Min, dBm, dB, REL, Hold, Compare, Store, Recall
DISPLAY
	VFD, Two Colors Display
INTERFACE
	Digital I/O, USB Device, RS-232C
POWER SOURCE
	AC 100V-240V ±10%, 50/60Hz
OPTIONAL
	GDM-SC1 : Multi-channels (16+2) Scanner Card (Up to 2 sets of GDM-SC1 can be installed at same time for one GDM-8255A)
DIMENSIONS & WEIGHT
	265(W) x 107(H) x 350(D) mm Approx. 2.6 kg
Note : (*)USE "REL" Mode