Reference Manual

00809-0100-4697, Rev EA October 2011

Rosemount 848T

Table A-1.Rosemount 848T FOUNDATION fieldbus Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery. The Expanded offering is subject to additional delivery lead time.

Enclosure Options

 

Standard

 

Standard

JP1

Plastic Junction Box; No Entries

JP2

Plastic Box, Cable Glands (9 x M20 nickel-plated brass glands for 7.5–11.9 mm unarmored cable)

JP3

Plastic Box, Conduit Entries (5 Plugged Holes, suitable for installing 1/2-in. NPT fittings)

JA1

Aluminum Junction Box; No Entries

JA2

Aluminum Cable Glands (9 x M20 nickel-plated brass glands for 7.5–11.9 mm unarmored cable)

JA3

Aluminum Conduit Entries (5 Plugged Holes, suitable for installing 1/2-in. NPT fittings)

JS1

Stainless Steel Junction Box; No Entries

JS2

Stainless Steel Box, Cable Glands (9 x M20 nickel-plated brass glands for 7.5–11.9 mm unarmored cable)

JS3

Stainless Steel Box, Conduit Entries (5 Plugged Holes, suitable for installing 1/2-in. NPT fittings)

JX3(6)

Explosion-proof Box, Conduit Entries (4 Plugged Holes, suitable for installing 1/2-in. NPT fittings)

Software Configuration

 

Standard

 

Standard

C1

Custom Configuration of Date, Descriptor, Message and Wireless Parameters (Requires CDS with Order)

Line Filter

 

 

Standard

 

Standard

F5

50 Hz Line Voltage Filter

Calibration Certificate

 

Standard

 

Standard

Q4

Calibration Certificate (3-Point Calibration)

Shipboard Certification

 

Standard

 

Standard

SBS

American Bureau of Shipping (ABS) Type Approval

SLL

Lloyd's Register (LR) Type Approval

Special Temperature Test

 

Expanded

 

 

LT

Test to -60 °F (-51.1 °C)

 

Conduit Electrical Connector

 

Standard

 

Standard

GE(7)

M12, 4-pin, Male Connector (eurofast®)

GM(7)

A size Mini, 4-pin, Male Connector (minifast®)

Typical Model Number: 848T F I5 S001 T1 B6 JA2

 

 

 

 

(1)Consult factory for availability.

(2)Available only with S001 option.

(3)The Rosemount 848T ordered with component approval is not approved as a stand-alone unit. Additional system certification is required.

(4)Enclosure Option JX3 must be ordered with Product Certification Code E6. (O-ring for the JX3 enclosure rated to -20 °C).

(5)S002 is only available with Product Certification N5, N6, N1, NC, NK, and NA.

(6)JX3 Explosion-proof enclosure rated to -4 °F (-20 °C).

(7)Available with no approval or Intrinsically Safe approvals only. For FM Intrinsically Safe (option code I5), install in accordance with Rosemount drawing 00848-4402.

A-13

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Emerson 848T manual Enclosure Options Standard, Software Configuration Standard, Line Filter Standard

848T specifications

The Emerson 848T is a state-of-the-art temperature transmitter designed for accurate and reliable temperature measurement in various industrial applications. This device has gained recognition for its advanced features and robust performance, making it a popular choice among engineers and technicians in the field.

One of the key highlights of the Emerson 848T is its unique dual-channel capability, which allows it to seamlessly monitor two temperature sources simultaneously. This functionality is particularly beneficial in processes where multiple temperature points need to be assessed, optimizing efficiency and reducing the need for additional equipment. It supports various sensor types, including thermocouples, RTDs, and resistance temperature detectors, making it versatile for different applications.

The 848T is equipped with sophisticated digital processing technology, which enhances its accuracy and stability. It features a 24-bit analog-to-digital converter, ensuring precise measurement and minimizing drift over time. Moreover, the device boasts a wide operating temperature range, accommodating ambient conditions from -40°C to 85°C. This durability makes it suitable for harsh environments commonly encountered in industries such as oil and gas, pharmaceuticals, and power generation.

Another significant characteristic of the Emerson 848T is its configurable output options. Users can choose from a range of output signals, including 4-20 mA, which provides a standard interface for integration into existing control systems. Additionally, it offers a HART communication protocol, allowing for easy configuration, calibration, and diagnostics through a digital interface. This feature enhances the transmitter's usability, enabling operators to perform adjustments without direct access to the device.

The device is designed with user-friendliness in mind. Its intuitive setup procedure and robust graphical user interface simplify the commissioning process, ensuring that even those new to the technology can easily navigate the system. An integrated LCD display provides real-time readings and status information, facilitating monitoring at a glance.

In summary, the Emerson 848T temperature transmitter combines reliable performance, user-friendly design, and advanced digital technologies. Its dual-channel capability, wide sensor compatibility, and adjustable output options make it an essential tool for achieving precise temperature measurements in various industrial settings. With these compelling features, the Emerson 848T stands out as a leading choice for professionals seeking accuracy and efficiency in their temperature monitoring applications.