Rosemount 848T

Reference Manual

00809-0100-4697, Rev EA October 2011

ORDERING INFORMATION

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.

Model

Product Description

 

 

848T

High Density Temperature Measurement Family

 

 

Transmitter Output

 

 

Standard

 

 

Standard

F

FOUNDATION fieldbus digital signal (includes AI, MAI, and ISEL function blocks, and Backup Link Active

 

Scheduler)

 

 

 

 

Rosemount

 

Product Certifications(1)

Junction

 

Box required?

 

Standard

 

 

Standard

I1

ATEX Intrinsic Safety

No

I3

NEPSI Intrinsic Safety

No

I4

TIIS Intrinsically Safety (FISCO) Type '1a’

No

H4

TIIS Intrinsic Safety (FISCO) Type '1b’

No

I5(2)

FM Intrinsically Safe

No

I6(2)

CSA Intrinsically Safe

No

I7

IECEx Intrinsic Safety

No

IA

ATEX FISCO Intrinsic Safety

No

IE

FM FISCO Intrinsically Safe

No

IF(2)

CSA FISCO Intrinsically Safe, Division 2

No

IG

IECEx FISCO (Intrinsic Safety)

No

N1

ATEX Type n (enclosure required)

Yes

N5

FM Class I, Division 2, and Dust Ignition-proof (enclosure required)

Yes

N6

CSA Class I, Division 2

No

N7

IECEx Type n (enclosure required)

Yes

NC

ATEX Type n Component (Ex nA nL)

No(3)

ND

ATEX Dust (enclosure required)

Yes

NJ

IECEx Type n Component (Ex nA nL)

No(3)

NK

FM Class 1, Division 2

No

NA

No Approval

No

Expanded

 

 

 

E6

CSA Explosion-proof, Dust Ignition-proof, Division 2 (JX3 enclosure required)

Yes(4)

 

Options

(Include with selected model number)

 

 

Input Types

 

 

 

Standard

 

 

Standard

S001

RTD, Thermocouple, mV, Ohm Inputs

 

S002(5)

RTDs, Thermocouple, mV, Ohm and 4–20 mA Inputs

 

PlantWeb Advanced Diagnostics

 

 

Standard

 

 

Standard

D04

Measurement Validation Diagnostic

 

Transient Protection

 

 

Standard

 

 

Standard

T1

Integral Transient Protector

 

Mounting Bracket

 

 

B6

Mounting Bracket for 2-in. pipe mounting – SST bracket and bolts

 

A-12

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Image 62
Emerson 848T manual Ordering Information, Options

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.