This is the price inquiry on Taobao in China：1080yuan
Product Features
The IS7221 voltage and current calibrator is a precision signal source and testing tool used to calibrate voltage and current instruments.
This calibrator is suitable for measuring and output calibration of current circuits ranging from 0-24m and DC voltages ranging from 0-10V, but it cannot be used for both measurement and output simultaneously.
External power supply analog output DC milliampere current calibrator circuit power supply measurement DC ampere current
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