Renowned as an industry-standard solution, the Rosemount 248 Temperature Transmitter excels in delivering unmatched consistency and reliability for demanding process environments. Expertly engineered to cater to the diverse needs of common single-point temperature measurement applications, its robust and durable design ensures resilience across a wide array of challenging process settings. For enhanced application flexibility, this meticulously crafted head mount temperature transmitter comes with a range of housing options to meet every unique requirement.
Input:Boasting single sensor capability, it features universal sensor inputs including RTD, T/C, mV, and ohms, ensuring versatile compatibility.
Output:Experience seamless signal transmission with the 4-20 mA / HART™ protocol, ensuring precise communication and control.
Housing:Designed for practicality, it features a DIN B head mount for straightforward installation and use.
Diagnostics:Equipped with basic diagnostics, including open/short sensor diagnostics, to maintain optimal sensor functionality and performance.
Calibration Options:Offering a meticulous 5-point calibration, ensuring accuracy and reliability in every measurement.
Certifications/Approvals:Proudly SIL 2/3 certified to IEC 61508 by an independent 3rd party and approved for hazardous locations and marine type applications, safeguarding its use in critical environments.
Standard Transmitter:The standard transmitter is finely tuned to meet the requirements of common single-point temperature measurement applications with precision and reliability.
Superior Housing Resistance:Its housing construction is engineered to provide superior resistance, adeptly withstanding the rigors of many demanding process environments.
One-Year Stability Rating:Enjoy reduced maintenance costs with a one-year stability rating, ensuring sustained performance and reliability.
Open/Short Sensor Diagnostics:Open/short sensor diagnostics are essential for identifying and mitigating issues within the sensor loop, safeguarding reliable performance.
Device Dashboards:User-friendly device dashboards simplify device configuration and diagnostic troubleshooting, offering an intuitive interface.
Transmitter-Sensor Matching:Transmitter-sensor matching using Callendar-Van Dusen constants minimizes total measurement error, enhancing accuracy.
Model |
Product description |
248 |
Temperature transmitter |
|
Transmitter type |
H |
DIN B Head Mount |
★ |
Transmitter output |
A |
4-20 mA with digital signal based on HART Protocol |
★ |
Product certifications |
Enclosure option codes permitted |
|
E5 |
FM Explosion-Proof |
A, U, G, H |
★ |
I5 |
FM Intrinsic Safety and Class I, Division 2 |
A, B, U, N,G, S, H |
★ |
K5 |
FM Intrinsic Safety, Explosion-Proof, and Class I, Division 2 |
A, U, G, H |
★ |
I6 |
CSA Intrinsic Safety and Class I, Division 2 |
A, B, U, N,G, H |
★ |
K6 |
CSA Intrinsic Safety, Explosion-Proof, and Class I, Division 2 |
A, U, G, H |
★ |
E1 |
ATEX Flameproof |
A, U, G, H |
★ |
I1 |
ATEX Intrinsic Safety |
A, B, U, N,C,G,S, H |
★ |
ND |
ATEX Dust |
A, U, G, H |
★ |
N1 |
ATEX Type n |
A, U, G, H |
★ |
NC |
ATEX Type n Component |
N |
★ |
E7 |
IECEx Flameproof and Dust |
A, U, G, H |
★ |
I7 |
IECEx Intrinsic Safety |
All options |
★ |
N7 |
IECEx Type n |
A, U, G, H |
★ |
NG |
IECEx Type n Component |
N |
★ |
KM |
Technical Regulations Customs Union (EAC) Flameproof, Intrinsic Safety |
A, U, G, H |
★ |
IM |
Technical Regulations Customs Union (EAC) Intrinsic Safety |
All options |
★ |
EM |
Technical Regulations Customs Union (EAC) Flameproof |
A, U, G, H |
★ |
E3 |
China Flameproof |
A, G, H, N |
★ |
I3 |
China Intrinsic Safety |
A, G, H, N |
★ |
N3 |
China Type n |
A, U, G, H |
★ |
NA |
No Approval |
All options |
★ |
Enclosure |
Material |
IP rating |
|
A |
Connection head |
Aluminum |
IP66/68 |
★ |
B |
BUZ head |
Aluminum |
IP65 |
★ |
C |
BUZ head |
Polypropylene |
IP65 |
★ |
G |
Connection head |
SST |
IP66/IP68 |
★ |
H |
Universal head (junction box) |
SST |
IP66/IP68 |
★ |
U |
Universal head (junction box) |
Aluminum |
IP66/IP68 |
★ |
N |
No enclosure |
N/A |
N/A |
★ |
F |
Sanitary connection head, DINA |
Polished SST |
IP66/IP68 |
|
S |
Sanitary connection head, DIN B |
Polished SST |
IP66/IP68 |
|
Conduit entry size |
1 |
M20 × 1.5 (CM20) |
★ |
2 |
1/2-in. NPT |
★ |
0 |
No enclosure |
★ |
Assemble to options |
XA |
Sensor specified separately and assembled to transmitter |
★ |
NS |
No sensor |
★ |
Rosemount 248R Rail Mount Transmitter |
|
Model |
Product description |
248R |
Rail mount temperature transmitter |
|
Output protocol |
A |
4-20 mA with digital signal based on HART Protocol |
★ |
Product certifications |
I5 |
FM Intrinsically Safe and Class I, Division 2 |
★ |
I6 |
CSA Intrinsically Safe and Class I, Division 2 |
★ |
I1 |
ATEX Intrinsic Safety |
★ |
NC |
ATEX Type n Component |
★ |
I7 |
IECEx Intrinsic Safety |
★ |
IM |
GOST (Russia) Intrinsically Safe |
★ |
NA |
No Approvals |
★ |
Dimension
Company Profile
Cold Valley Intelligent Technology (Shanghai) Co., Ltd. proudly stands as a distinguished member of the Hanshan (Cold Mountain) Intelligent Technology Co. family;
(hereinafter referred to as Hanshan Intelligent Technology Co., Ltd. group) was officially founded in the vibrant city of Shanghai in 2013;
The illustrious founding team comprises experts hailing from top-tier international automation firms; boasting over 20 years of invaluable experience in the automation industry; coupled with more than 20 years of prowess in automation engineering; and a decade of specialized expertise in consulting and implementing digital solutions; our mission is to deliver unparalleled quality in automation and digitization products and services to a global clientele; the company's prestigious headquarters are situated in the bustling metropolis of Shanghai, China;
Harnessing over two decades of profound engagement in the petrochemical industry, the company possesses a comprehensive understanding of the intricate automation and digitalization demands of upstream, midstream, and downstream enterprises; we are committed to delivering professional-grade products and solutions rooted in automation and digitalization, alongside comprehensive full-life cycle services for industries including petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.






Frequently Asked Questions
How do I select the right product?
A: Upon receiving your inquiry, we will furnish you with a detailed and comprehensive technical document. This will allow you to verify the precise process parameters and technical specifications you require. Based on your outlined needs, we will then propose the most fitting model tailored to your requirements.
I would like a confirmed model. Can you provide that?
A: Absolutely. Once you share the model you desire, we will initiate a verification process to ensure its suitability for your application. If needed, we will offer suggestions for more cost-efficient optimizations. Upon final confirmation, we are ready to present a formal quotation.