Rosemount 248 Temperature Transmitter

Rosemount 248 Temperature Transmitter

The Rosemount 248 temperature transmitter has a standard transmitter design that provides flexible and reliable performance in process environments. Transmitter features include: ●HART / 4-20 mA communication protocol
●DIN B style head mount and Rail Mount transmitter types
●Variety of DIN B enclosure options
●Sanitary Connection Heads available (Option Code F and S)
●3-Point Calibration Certificate (Option Code Q4)
●Assemble to Sensor options (Option Code XA)
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Product Details


1. Basic temperature transmitter offers a reliable solution for temperature monitoring points

2. Standard transmitter design provides flexible and reliable performance in process environments

3. Experience lower over-all installation costs when compared to wiring sensor directly, reducing the need for expensive extension wires and multiplexer

4. Explore the benefits of a Complete Point Solution from Rosemount Temperature

5.Experience global consistency and local support from numerous worldwide Rosemount Temperature manufacturing sites


Inputs: User-selectable; sensor terminals rates to 42.4 Vdc.

Output: 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.

Isolation: Input/output isolation tested to 500 Vac rms (707 Vdc) at 50/60Hz.

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.

Humidity limits: 0-99% relative humidity, non-condensing.

Temperature limits: Operating Limit: –40 to 850C (–40 to 1850F); Storage Limit: –50 to 1200C (–58 to 2480F).

Update rate: Less than 0.5 seconds

Damping: 32 seconds maximum. 5 seconds default

Turn-on time: Performance within specifications in less than five seconds after power is applied to transmitter, when damping value is set to zero seconds.

Update rate: Less than 0.5 seconds

Damping: 32 seconds maximum; five seconds default




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