快乐飞艇人工计划
BENCH MULTIMETER
BENCH MULTIMETER
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VA80/VA81 21000/51000 counts bench multimeter

Key Feature:

●21,000/51,000- count display
●Large VFD dual display with high brightness
●True RMS AC voltage and current measurements, frequency up to 100KHz
●12 measurement functions, includingDCV/ACV, DCI/ACI, Ω, frequency/period, diode, conduction, dBm, etc
●Parameters AC+DC, AC+Hz, Readout+%, and Readout+dBm synchronously displayed
●Measurement speed up to 15 times/second (VA80), and 30 times/second (VA81)
●DCV measurement accuracy up to 0.02%, resolution of 10μV measured value displayed in the form of percentage
●REL measurement mode to eliminate stray reading
●Calibration without uncovering
●Limit function (HI/IN/LO) for fast sorting
●Standard RS232C communication interface providing
●Convenient system communication

SPECIFICATIONS

Model

VA80

VA81

Test condition

The follow specifications are in slow-speed mode.Please refer to manual for other specifications.
Calibration period: one year
Working temperture & humidity: 18Ω~20Ω, ≤90%RH, and ≤70%RH(at resistance range of 5MΩand 50MΩ)
Warm-up time: 30 min
Acuracy: ±(reading%+range%)
Temperature coefficient:+0.1×specified accuracy/℃ (from 0℃~18℃ or 28℃~40℃)

Rate (reading/sec)

Slow

Medium

Fast

Slow

Medium

Fast

DCV, DCI

2.5

8

15

2.5

12

30

DCV, DCI

2.5

8

15

2.5

12

30

Ω

2.5

8

15

2.5

12

30

AC+DC

0.5

1.5

3.5

0.5

1.5

3.5

AC+Hz

0.5

1.5

3

0.5

1.5

3

Freq

4

8

12

4

8

12

DC voltage

Max.reading

Resolution

Accuracy

Input impedance

Max.reading

Resolution

Accuracy

Input impedance

Range

200mV/500mV

210.00

10μV

0.03+0.02

10MΩ

210.00

10μV

0.03+0.02

10MΩ

2V/5V

2.1000

100μV

0.03+0.01

11.1MΩ

2.1000

100μV

0.03+0.01

11.1MΩ

20V/50V

21.000

1mV

0.03+0.01

10.1MΩ

21.000

1mV

0.03+0.01

10.0MΩ

200V/500V

210.00

10mV

0.03+0.01

10MΩ

210.00

10mV

0.03+0.01

10MΩ

1000V

1200.00

100mV

0.03+0.01

10MΩ

1200.00

100mV

0.03+0.01

10MΩ

DC current

Max.reading

Resolution

Accuracy

Load V/shunt Ω

Max.reading

Resolution

Accuracy

Load V/shunt Ω

Range

2mA/5mA

2.1000

0.1μA

0.1+0.010

<0.3V/100Ω

5.1000

0.1μA

0.05+0.010

<0.6V/100Ω

20mA/50mA

21.000

1μA

0.1+0.008

<0.04V/1

51.000

1μA

0.05+0.008

<0.08V/1Ω

200mA/500mA

210.00

10μA

0.1+0.008

<0.3V/1Ω

510.00

10μA

0.05+0.008

<0.8V/1Ω

2A/5A

2.1000

100μA

0.3+0.010

<0.05V/10mΩ

5.1000

100μA

0.25+0.010

<0.1V/10mΩ

20A

20.000

1mA

0.3+0.010

<0.6V/10mΩ

20.000

1mA

0.25+0.010

<0.6V/10mΩ

AC voltage

200mV

2V

20V

200V

750V

500mV

5V

50V

500V

750V

Resolution

10μV

100μV

1mV

10mV

100mV

10μV

100μV

1mV

10mV

100mV

Accuracy

20~50Hz

1.20+0.16

------

1.20+0.16

------

50~20KHz

0.5+0.1

0.4+0.05

0.8+0.08

0.4+0.06

0.35+0.02

050+0.03

20K~50KHz

2.0+0.2

1.5+0.08

1.5+0.1

1.00+0.04

50K~100KHz

5.0+0.8

5.0+0.3

3.0+0.3

3.0+0.1

AC current

2mA

20mA

200mA

2A

20A

5mA

50mA

500mA

5A

20A

Resolution

0.1μA

1μA

10μA

100μA

1mA

0.1μA

1μA...

10μA

100μA

1mA

Accuracy

20~50Hz

1.50+0.2

2.00+0.2

1.50+0.16

 

50~2KHz

0.5+0.12

0.5+0.2

------

0.5+0.08

 

------

2K~20KHz

2+0.2

2+0.15

------

2+0.16                               2+0.12 ------

Load V/shunt Ω

The same to DC current

The same to DC current

Resistance

Max.reading

Resolution

Test current

Accuracy

Max.reading

Resolution

Test current

Accuracy

Range

200Ω/500Ω

210.00

10mΩ

0.5mA

0.10+0.02

510.00

10mΩ

0.5mA

0.10+0.010

2KΩ/5KΩ

2.1000

100mΩ

0.45mA

0.10+0.01

5.1000

100mΩ

0.45mA

0.10+0.008

20KΩ/50kΩ

21.000

45μA

0.10+0.01

51.000

45μA

0.10+0.008

200KΩ/500KΩ

210.00

10Ω

4.5μA

0.10+0.01

510.00

10Ω

4.5μA

0.10+0.008

2MΩ/5MΩ

2.1000

100Ω

450nA

0.15+0.01

5.1000

100Ω

450nA

0.15+0.008

20MΩ/50MΩ

21.000

1KΩ

45nA

0.30+0.02

51.000

1KΩ

45nA

0.3+0.010

Frequency

Max.reading

Resolution

Accuracy

Sensitivity

Max.reading

Resolution

Accuracy

Sensitivity

Range

50Hz

510.00

0.01Hz

0.05+0.02

200mV rms

510.00

0.01Hz

0.05+0.02

200mV rms

5KHz

5.1000

0.1Hz

0.01+0.02

300mV rms

5.1000

0.1Hz

0.01+0.02

300mV rms

50KHz

51.000

1Hz

0.01+0.008

300mV rms

51.000

1Hz

0.01+0.008

300mV rms

500KHz

999.99

10Hz

0.01+0.008

500mV rms

999.99

10Hz

0.01+0.008

500mV rms

Measurement Functions

Measurement parameters DC voltage, AC voltage, DC current, AC current, resistance, frequency, period, conduction, dioxide
Math function %, dBm, REL
Range Auto, Manual
Display VFD, dual display
Reading mode Single display:all measurement parameters
Dual displa: V AC+V DC, I AC+I DC, V AC+Hz, I AC+Hz, Readout+%, Readout+dBm, Readout+Max/Min
Trigger mode INT/MAN/BUS
Reading hold To find out the best stable reading for each data block of the given reading number according to set accuracy
Comparator To judge HI, IN, LO and display, with ALARM at HI/LO(selectable)
Communication interface RS232C, SCPI

 

General Specifications
Operating temperature & humidity

0°C-40°C, ≤90%RH

Power supply

Voltage

198V-242V

Frequency

47.5Hz-63Hz

Power consumption

≤ 20 VA

Dimensions (W×H×D)

226mm×100mm×318mm

Weight

Approx. 2.6 kg

Copyright 2005 SHANGHAI YIHUA V&A INSTRUMENT CO.,LTD. All Rights Reserved
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