Rosemounte Temperature Transmitter 248 Hart 4-20mA Temperature Module

• Customization: Available
• Type: Network Type
• Measuring Medium: Temperature
• Model NO.: Rosemount 248
• Display Type: LCD
• Site Display: Site Display
• Accuracy: ±0.1% of Span (Rtd)
• IP Rating: IP67
• Certification: CE
• Customized: Customized
• Product Name: Rosemount 248 Temperature Module
• Measurement Type: Head-Mounted or Field-Mounted Transmitter
• Input Sensor Types: Rtd (PT100, PT1000), Thermocouple
• Output Signal: 10.5–42 V DC (Loop-Powered), 18–30 V D
• Power Supply: 10.5–42 V DC (Loop-Powered)
• Local Display Module: ±0.1% of Span (Rtd), ±1.5°f
• Temperature Range: -200°c to 850°c
• Communication Protocol: Hart® 7 (Digital Overlay on 4–20 Ma Sign
• Certifications: ATEX, Iecex, FM, CSA, Sil 2 (Optional), Namur Ne43
• Process Connection: Threaded, Gland or Direct Mount
• Environmental Rating: IP66/IP67, NEMA 4X
• Operating Temperature: -40°c to +85°c
• Material: Housing: Aluminum or Stainless Steel; Sensor
• Mounting Options: Field-Mount (Local Display)
• Signal Update Rate: 2 Hz (Standard), Adjustable up to 10 Hz
• Transport Package: Support Air/Land/Sea Transportation
• Specification: 40cm*30cm*30cm*
• Trademark: Emerson
• Origin: China
• HS Code: 8477900000
• Production Capacity: 1000
• Package Size: 15.00cm * 15.00cm * 15.00cm
• Package Gross Weight: 0.300kg

Product Description

Products Picture

Specification

Emerson Rosemount CD3A Pressure Transmitter
Parameter	Specification
Model	Rosemount 248 Temperature Module
Type	Head-mounted or Field-mounted Temperature Transmitter
Input Sensor Types	RTD (Pt100, Pt1000), Thermocouple (Types J, K, T, E, N, R, S, B)
Output Signal	4–20 mA DC (Analog), HART® 7 Protocol
Power Supply	10.5–42 V DC (Loop-Powered), 18–30 V DC (for HART communication)
Accuracy	±0.1% of span (RTD), ±1.5°F (±0.8°C) for thermocouples
Temperature Range	-200°C to 850°C (-328°F to 1562°F) depending on sensor type
Communication Protocol	HART® 7 (Digital overlay on 4–20 mA signal)
Certifications	ATEX, IECEx, FM, CSA, SIL 2 (optional), NAMUR NE43
Process Connection	Threaded (e.g., ½–14 NPT, M20x1.5), Gland or Direct Mount
Environmental Rating	IP66/IP67, NEMA 4X (Explosion-proof optional)
Operating Temperature	-40°C to +85°C (-40°F to 185°F)
Storage Temperature	-40°C to +85°C (-40°F to 185°F)
Material	Housing: Aluminum or Stainless Steel; Sensor: Various (per application)
Mounting Options	Field-mount (local display), Head-mount (with thermowell)
Display	Optional Local LCD Display (Rotatable for readability)
Signal Update Rate	2 Hz (Standard), Adjustable up to 10 Hz

Product Description

Rosemount 248 Temperature Module

The Rosemount 248 Temperature Module is a high-performance, versatile solution designed to deliver accurate and stable temperature measurement in demanding industrial environments. Engineered by Emerson, a leader in process automation, this module combines advanced sensor technology with robust construction to ensure reliable operation across diverse applications, from oil and gas to food and beverage processing. Its adaptability, ease of use, and compliance with global safety standards make it a trusted choice for critical temperature monitoring tasks.

The Rosemount 248 supports both RTD (Pt100, Pt1000) and thermocouple inputs (Types J, K, T, E, N, R, S, B), providing flexibility for various process requirements. It delivers a standard 4–20 mA analog output with HART® 7 protocol, enabling seamless integration into control systems while allowing remote configuration and diagnostics via a HART communicator. With an accuracy of ±0.1% of span for RTDs and ±1.5°F (±0.8°C) for thermocouples, the module ensures precise data acquisition, critical for maintaining process efficiency and product quality.

Designed for durability, the Rosemount 248 features a rugged aluminum or stainless steel housing with an IP66/IP67 rating, protecting against dust, water ingress, and harsh environmental conditions. It operates reliably in extreme temperatures ranging from -40°C to 85°C (-40°F to 185°F) and withstands process temperatures up to 850°C (1562°F) when paired with appropriate sensors. Optional ATEX, IECEx, FM, and CSA certifications ensure compliance with hazardous area requirements, making it suitable for use in explosive atmospheres common in oil refineries, chemical plants, and offshore platforms.

Installation is simplified with multiple mounting options, including head-mounted (direct thermowell integration) or field-mounted configurations with a local LCD display for real-time monitoring. The module's rotatable display enhances readability in tight spaces, while its 2 Hz signal update rate (adjustable to 10 Hz) balances responsiveness with energy efficiency. For added convenience, the Rosemount 248 supports NIST-traceable calibration and field recalibration, minimizing downtime and maintenance costs.

Company Profile

Company Profile

KeRul (WeiFang) Automation Equipment Co., Ltd. is speciallzed in industrialautomation instrument development, production and sales, technical servicesand supporting equipment supply of specialized companies, The mainproducts are fow meters, level meters, temperature meters, pressuremeters, electrical meters, thermal meters, programmable controller(PLC), Dcs distributed control system, eight series of more than 1,000specifcations. its products and technologies are widely used in electrlcpower, metallurgy, petrochemical, environ. mental protection, plastics,food,l printing, tobacco, textile, dyeing and other fields.

Our Service

OEM / ODM services
To meet the user diversified requirement, Holykell have established a set of customer service and technical support system with OEM / ODM order as the center, and responded and Handle the customer's requirements in a timely manner to ensure accurate delivery time and product quality.
Order services
Fastest reply:Professional sales engineers 7/24 online services
Payment terms:T/T ,Western union, Paypal, Credit Card, L/C others
Fast delivery: within 24 hours release the cargo (normal spec.), Customized 7-12 days after payment .
 
MAINTENANCE & AFTER-SALES SERVICES
Customer Feedback:  Sales engineers and technical engineers will be one-on-one service for you to exclude all obstacles when use our sensors.
Warranty period: 12 months
Product life-long maintenance: Holykell can provide you with the maintenance of the whole life of the sensors

Packaging & Shipping

FAQ

Q: How long will you give me the reply? 
A: We will reply to you as soon as we see the information 
Q: What is the delivery time? 
A:The products in stock will be shipped after receiving the payment, and the products that need to be ordered are subject to the factory time. 
Q: How about your package? 
A: Do not worry about the package, we have rich experience in packing.
Q: How about the payment terms? 
A:You can choose T/T.