.

Rosemount 248R Temperature Transmitter

          Rosemount 248R temperature transmitter Feature :The Rosemount 248 temperature transmitter has a standard transmitter design that provides flexible and reliablie performance in process environments. Transmitter features include:• HART / 4-20 mA communication protocol• Rail Mount transmitter type• 3-Point Calibration Certificate (Option Code Q4)• Custom Configuration of Software Parameters (Option Code C1) Specifications : InputsUser-selectable; sensor terminals rates to 42.4 Vdc. See“Transmitter Accuracy and Ambient Temperature Effects” onpage 8 for sensor options.Output2-wire 4–20 mA,Website:, linear with temperature or input; digital outputsignal superimposed on 4–20 mA signal, available for a FieldCommunicator or control system interface.IsolationInput/output isolation tested to 500 Vac rms (707 Vdc) at 50/60 Hz.Power SupplyAn external power supply is required for HART devices. Thetransmitter operates on 12.0 to 42.4 Vdc transmitter terminalvoltage with load resistance between 250 and 1100 ohms. Aminimum of 17.75 Vdc power supply is required with a load of 250ohms. Transmitter power terminals are rated to 42.4 Vdc.Temperature LimitsOperating Limit• –40 to 85 °C (–40 to 185 °F)Storage Limit• –50 to 120 °C (–58 to 248 °F)Turn-on TimePerformance within specifications in less than 5.0 seconds afterpower is applied to transmitter, when damping value is set to zeroseconds.Update RateLess than 0.5 secondsDamping32 seconds maximum. 5 seconds default Teachnical parameters :  Products show : Why chose us :   


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