VA730

Product Name :
Multi-function Desktop Calibrator
Product Model :
VA730
Product Series :
Intelligent measuring instrument
Product Brief :
High-precision, large range, bipolar, low drift desktop calibrator. Wide dynamic range of source Voltage +/- 30.000V Current +-220.00mA High resolution: 1uV/100nA Multi-type thermocouple support: T J E K ...

Specification
Parameter

Key Features:
High-precision, large range, bipolar, low drift desktop calibrator.
Wide dynamic range of source
Voltage +/- 30.000V Current +-220.00mA High resolution: 1uV/100nA
Multi-type thermocouple support: T J E K S R B N
Multi-type communication support remote control: RS232, USB, WIFI(option)
Software support
Vacuum fluorescent display VFD
Scan mode/ Program mode
Memory and recall 10 group setting.
Floating, bipolar output system.
VFD Display:5digital
Power supply :110/220VAC 50/60Hz

Applications:
Calibration service
Companise service
Instrument and control workshops
Industry (laboratories,workshops and production)
Quality assurance
Specification:
Voltage +/- 30.000V/3.0000V/300.00mV/30.000mV，
Voltage source range

Range	Source range	Setting resolution
30mV	0 to ±32.000mV	1μV
300mV	0 to ±320.00mV	10μV
3V	0 to ±3.2000V	10μV
30Vv	0 to ±32.000V	1mV

Voltage source

Range	Overall accuracy (1 year)	Overall accuracy (90 days)	1-day stability (23℃±1℃)	1-day stability (23℃±5℃)
Range	±(% of setting +V)
30mV	0.03+1μV	0.025+4μV	0.006+4μV	0.01+4μV
300mV	0.03+25μV	0.025+20μV	0.006+5μV	0.01+10μV
3V	0.025+200μV	0.02+200μV	0.005+20μV	0.008+30μV
30V	0.025+2 mV	0.02+2 mV	0.005+100μV	0.008+20μV

Current +/- 220.00 mA /30.000 mA /3.0000 mA
Current source range

Range	Source range	Setting resolution
3mA	0 to ±3.2000 mA	100nA
30mA	0 to ±32.000 mA	1μA
200mA	0 to ±220.00 mA	10μA

Current source

Range	Overall accuracy (1 year)	Overall accuracy (90 days)	1-day stability (23℃±1℃)	1-day stability (23℃±5℃)
Range	±(% of setting +A)
3mA	0.03+250nA	0.025+250nA	0.008+20nA	0.01+20nA
30mA	0.03+2.5μA	0.025+2.5μA	0.008+200nA	0.01+200nA
200mA	0.035+25μA	0.03+25μA	0.008+2μA	0.01+2μA

Thermocouple temperature T J E K S R B N -200~1800 degC
Resolution 0.1

Thermocouple	Source range	Setting resolution
T(CC)	-200.0℃ to +400.0℃	0.1℃
J(IC)	-200.0℃ to +1200.0℃	0.1℃
E(CRC)	-200.0℃ to +1000.0℃	0.1℃
K(CA)	-200.0℃ to +1372.0℃	0.1℃
S(PR10)	-10.0℃ to +1768.0℃	0.1℃
R(PR13)	-10.0℃ to +1768.0℃	0.1℃
B(PR30)	+330.0℃ to +1820.0℃	0.1℃
N	-200.0℃ to +1300.0℃	0.1℃