... AI-500 intelligent digital temperature indicator Suitable for measuring and displaying temperature, pressure, flow, level, humidity etc1.Main features:High ... NO+NC): 250VAC/2A or 30VDC/1ALinear current : can transmitter process valueGeneral specificationsVoltage: support AC85-265V, 50/60Hz or ... according to IEC61000-4-5.Operating Ambient : temperature -10~60°C; humidity ≤90%RH3.Ordering code:4. Why us ...