Rosemount 248 Temperature Transmitter Manufacturer
Model NO.:Rosemount 248
The Rosemount 248 Temperature Transmitter is designed to meet common Single Point measurement application requirements.
This temperature transmitter with HART® protocol can easily be ordered with a variety of sensors (RTDs and thermocouples) and thermowells. The Rosemount 248 Temperature Transmitter is provided in a head mount configuration suitable for installation in a wide variety of connection heads and housings. Additionally, a Rail Mount configuration is also available for rail and rack mountable applications. A PC-programmable interface is available, providing an easy-to-use configuration method from any PC.
Features & Benefits of Rosemount 248 Temperature TransmitterReady to Install. Remove it from the Box and Install into the Process for significant cost savings Unsurpassed Performance for Temperature Monitoring Points Industry Standard DIN Form B Size Enables
Mounting in Any Connection Head Reliable EMC Performance by Meeting NAMUR NE 21 Recommendation Communicates Using
Open HART / 4-20 mA Protocol Specifications of Rosemount 248 Temperature Transmitter
2-wire 4–20 mA, linear with temperature or input; digital output signal superimposed on 4–20 mA signal, available for a Field
Communicator or control system interface. 2-wire, linear with temperature or input on 4-20 mA/HART signal
Input/output isolation tested to 500 Vac rms (707 Vdc) at 50/60 Hz.
0.1% reading or 0.1°C (0.18°F) for 1 year
2-, 3-, and 4-wire RTDs, thermocouple, millivolt, ohm
Temperature Limits ：
Operating Limit ? –40 to 85 °C (–40 to 185 °F)
Storage Limit ? –50 to 120 °C (–58 to 248 °F)
Power Supply ：
An external power supply is required for HART devices. The transmitter operates on 12.0 to 42.4 Vdc transmitter terminal voltage with load resistance between 250 and 1100 ohms. A minimum of 17.75 Vdc power supply is required with a load of 250 ohms. Transmitter power terminals are rated to 42.4 Vdc.
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