... /Logic signal universal input,adapting to kinds of sensor SR series LED weight sensor indicator Intelligent sensor indicator / indicating & controlling meter ... -R20BTC,RTD 0-10V,4-20mA, 0-50mV,0-400Ω±0.5%F.S2NoNoSR-C20B2YesNoSR-R28B2NoYesSR-C28B2YesYesTechnical Specification Testing functionTesting ... ,0-10V,4-20mV, 0-400ΩResolutionTC 1°C; RTD 0.1°C; Others 0.01% SR series LED weight sensor indicator