VA82

Key Features
12 different measurement functions: DCV/ACV, DCI/ACI, Ω2W/Ω4W, frequency/period, diode test, continuity, dB/dBm, etc.
High-brightness vacuum fluorescent display (VFD)
True-rms AC voltage and current measurement, with high frequency of 100kHz
Maximum reading of 120,000 digits
DCV measurement accuracy up to 0.01%, resolution 1µV
Maximum measurement rate: 45times/second
Equal accuracy frequency measurement more than 1MHz, minimum resolution of 10μHz
Zeroing (RFL) mode to eliminate residual reading
2W and 4W resistance measurement modes selectable
Built-in mathematics calculation functions: mX+b, %, dB, dBm
512 readings storage and MAX/MIN/AVER/STD statistics
HI/IN/LO comparator function
GPIB and RS-232 interfaces for convenient system communication
Calibration performed without opening the cover
10 sets of measurement states saved and recalled up
Specifications

Full-scale reading & reading rate (readings/second)
Speed				Slow		Medium		Fast
Full-scale reading (digits)				119,999		119,999		11,999
Reading rate (readings/ second)		DCV,DCI		3.5		13		45
		ACV,ACI		2		3.8		22
		Ω-2W		3.5		13		45
		Ω-4W		2.7		10		32.9
DCV
Range 100mV 1V 10V 100V 1000V	Max. reading 119.999C 1.19999 11.9999 119.999 1010.00			Resolution 1µV 10µV 100µV 1mV 10mV		Accuracy (1 year) 0.02%+8 0.01%+4 0.01%+4 0.01%+4 0.01%+4		Input impedance >10GΩ >10GΩ >10GΩ 10MΩ 10MΩ
DCL
Range 10mA 100mA 1A 10A	Max. reading 11.9999 119.999 1.19999 11.9999			Resolution 0.1µA 1µA 10µA 100µA	Accuracy (1 year) 0.05%+8 0.05%+4 0.10%+4 0.15%+4		Load voltage/shunt resistance <0.15V/10Ω <1.5V / 10Ω <0.3V / 0.1Ω <0.15V / 10mΩ
AC voltage (ACV true-rms measurement)
Range	100mV			1V	10V		100V		750V
Max. reading	119.999			1.19999	11.9999		119.999		757.5
Resolution	1µV			10µV	100µV		1mV		10mV
Accuracy (year)	10~20 Hz			1.5%+100
	20~50 Hz			0.5%+100
	50~20 kHz			0.1%+100
	20~50 kHz			0.3%+150	0.3%+100
	50~100 kHz			1%+150	1%+100
AC voltage (ACV true-rms measurement)
CRange				10mA	1A		10A
Max. reading				11.9999	1.19999		11.9999
Resolution				0.1µA	10µA		100µA
Accuracy (year)			10~20 Hz	1%+80
			20~50 Hz	0.5%+80
			50~2kHz	0.25%+80
			2~10 kHz	2%+80			------
Load voltage/shunt resistance				<0.15V/10Ω	<0.3V/0.1Ω		<0.15V/10mΩ
Resistance (Ω2W/Ω4W)
Range			Range	Resolution	Measurement		Accuracy (1 year)
100.000 Ω			100.000 Ω	1mΩ	current		0.05%+8
1.00000 kΩ			1.00000 kΩ	10mΩ	1 mA		0.03%+4
10.0000 kΩ			10.0000 kΩ	100mΩ	1 mA		0.03%+4
100.000 kΩ			100.000 kΩ	1 Ω	100μA		0.03%+4
1.00000 MΩ			1.00000 MΩ	10 Ω	10μA		0.03%+4
10.0000 MΩ			10.0000 MΩ	100Ω	10μA		0.10%+4
100.000 MΩ			100.000 MΩ	1 kΩ	7.0*Rx/(10M+Rx)		0.50%+8
Frequency
Range			Max. reading	Range	Accuracy (1 year)		Sensitivity (sine wave)
5~10 Hz			9.99999	5~10 Hz	5~10 Hz		200mV
10~100Hz			99.9999	10~100Hz	10~100Hz		40mV
100~100 kHz			99.9999	100~100 kHz	100~100 kHz		40mV
100k~1MHz			999.999	100k~1MHz	100k~1MHz		100mV