An industry-standard solution, the Rosemount 248 Temperature Transmitter delivers consistent and reliable performance for process environments. Engineered to meet requirements for common single point temperature measurement applications, its durable design withstands a wide range of process environments. For application flexibility, this head mount temperature transmitter is available with a variety of housing options.
Input:Single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms)
Output:Signal4-20 mA /HART™ protocol
Housing:DIN B head mount
Diagnostics:Basic diagnostics including open/short sensor diagnostics
Calibration Options:5-point calibration
Certifications/Approvals:SIL 2/3 certified to IEC 61508 by an independent 3rd party, hazardous location, marine type, etc.
Standard Transmitter: Standard transmitter meets common single point temperature measurement application requirements
Superior Housing Resistance: Housing construction provides superior resistance to many process environments
One-Year Stability Rating: One-year stability rating reduces maintenance costs
Open/Short Sensor Diagnostics:Open/short sensor diagnostics help detect issues in the sensor loop to ensure reliable performance
Device Dashboards:Device dashboards provide easy interface for simplified device configuration and diagnostic troubleshooting
Transmitter-Sensor Matching:Transmitter-sensor matching with Callendar-Van Dusen constants reduces total measurement error
| 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. is a member enterprise of Hanshan (Cold Mountain) Intelligent Technology Co;
(hereinafter referred to as Hanshan Intelligent Technology Co., Ltd. group) was formally established in Shanghai in 2013;
Its founding team are all from top international automation companies; have over 20 years of experience in automation industry; over 20 years of experience in automation engineering; over 10 years of experience in consulting and implementation of digital solutions; aiming at providing quality automation and digitization products and services for global customers; the company's headquarter is located in Shanghai, China;
The company has been deeply cultivated in the petrochemical industry for more than 20 years; has in-depth understanding of the automation and digitalization needs of upstream, midstream, and downstream enterprises; provides professional products and solutions based on automation and digitalization and full life cycle services for petroleum, chemicals, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metals.
You may have this questions
How do I select the right product?
A:Upon receipt of your inquiry, we will provide you with a comprehensive technical document. This will enable you to verify the detailed process parameters and technical specifications required. Based on your specific requirements, we will then recommend the most suitable model.
I would like a confirmed model. Can you provide that?
A:Certainly. Once you send us the model you require, we will first need to verify the suitability of the model. If necessary, we will provide some more cost-effective optimization suggestions. After confirmation, we can proceed with a formal quotation.
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