Description of Portable Calibrator Signal Generator and Electricity Calibrator 

Innovative ergonomic keyboard design, waterproof, dustproof and rugged case.
LCD percentage --- can display the percentage between output/input value and full scale;
LCD interfaces image display in case of wrong operation.
Large capacity lithium battery group, low self-discharge.
Auto power off time can set manually.
Linear charging control circuit makes battery charging and working simultaneously available.
0%& 100% output keys, easily switch upper and lower limit; +25% & -25% step output keys. These values can be set on the start menu.
USB interface, transparent protocol, make users integrated system easily.
2 kinds of signal output: SOURCE mA & SIMULATE mA. SOURCE mA——the calibrator provide power and output signal; SIMULATE mA——the calibrator need outside power, at this time, it is a simulated 2 –wire transmitter.
0.065-100.000HZ/0.065Khz-10.000kHz frequency output
The amplitude can be set among 0-10V, duty ratio set among 0.5%-99.5%.
Loop power: 22V-25V, providing power for 2- wire transmitters, LCD displays output mA.

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