Rosemount 248HA - Headmount Temperature Transmitter

Rosemount 248HA - Headmount Temperature Transmitter

Model No.︰Rosemount 248HA

Brand Name︰Rosemount

Country of Origin︰United States

Unit Price︰-

Minimum Order︰1 pc

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Product Description

Industry standard DIN Form B headmount transmitter size enables mounting in any connection head
Ready-to-install out of the box
Unsurpassed performance for temperature monitoring points
Reliable EMC performance meets NAMUR NE21 recommendation
Communicates using open 4–20 mA/HART Protocol
A 248C PC-based HART configuration interface is available


An installation ready solution that provides a variety of mounting options, transmitter configurations, and sensors/thermowells

Flexibility to meet your most demanding applications

Wireless output with >99% data reliability delivers rich HART data, protected by industry leading security

Simple and easy installation practices already used today for robust  installations


Input:Supports Thermocouple, RTD, millivolt and ohm input types. 

Output:Wireless enabled, linear with temperature or input.

Humidity Limits:0–99% relative humidity

Update Rate:User selectable, 8 sec. to 60 min.

Accuracy :(PT 100 @ reference conditions: 20 °C)±0.45 °C (±0.81 °F)

 Examples of Sensor Input 

Approximate Basic Error

Approximate Basic Error


4-wire RTD 

 Negligible (independent of lead wire resistance up to 5   per lead


3-wire RTD ± 1.0 

 in reading per ohm of unbalanced lead wire resistance 

(Unbalanced lead wire resistance = maximum imbalance between 

any two leads.)


2-wire RTD 1.0 

 in reading per ohm of lead wire resistance



Physical Specifications 

Electrical Connections / Power Module

Replaceable, non-rechargeable, Intrinsically Safe Lithium-Thionyl 

Chloride Power Module with PBT enclosure. 

10 year Power Module life at reference conditions.

4 Screw Terminals for sensor connection.

Field Communicator Connections

Communication Terminals:Clips permanently fixed to terminal block

Low-copper aluminum:Paint

Polyurethane:Cover O-ring

Buna-N:Terminal Block and Power Module


PBT/PC integrated omnidirectional antenna

Mounting:Transmitters may be attached directly to the sensor. Mounting brackets also permit remote mounting. 

Weight:3.03 lbs. (1.38 kg)


Price Terms︰ FOB XI'AN

Payment Terms︰ TT/LC

Packing︰ Emerson Standard Package

Lead Time︰ 1week