Bộ hiệu chuẩn tín hiệu AEP Transducers PC2M
Signal calibrator has been realised to perform periodical checks and calibrations on indicators with a 2mV/V input and a 4 or 6 wires systems.
Provided with a main switch with 6 selectable steps, it allows to control the linearity on both positive and negative field.
Internally, the 350Ω full bridge unbalancing, is generated by high stability passive resistances (1 ppm/°C) that enable the calibrator to work with a stable accuracy better than 0.0025% of full scale and with repeatability of 5 ppm.
In order to work with more ease, a system that keeps the ZERO signal constant by working on both positive and negative field without performing different zero settings on the indicator has been introduced.