8/2/2019 Wireless Tank Gauging SN Oct07

http://slidepdf.com/reader/full/wireless-tank-gauging-sn-oct07 1/2

Wireless Solutions Ensure Accurate InventoryGauging in Offsite Tank Farm Locations

Most process plants have tanks that hold feedstock or finished

products. As an example, a 150Kbbl/day refinery may have more

than 50 tanks near the plant. Each of these tanks could be 50

feet wide and 60 feet high, holding approximately 25K bbl of

gasoline worth more than $2 million. These tanks may be located

from 500 feet to two miles from the process units.

Monitoring and controlling the volume of tank liquid is important

to ensure data accuracy used for financial statements and for

refinery planning and scheduling. Inaccurate measurements may

result in suboptimal capacity usage, accounting errors and even

environmental incidents through spills. The traditional work

practice of monitoring tank inventory levels involves two

operators, one in the field and one in the control room. The field

operator takes the reading from a tank level gauge and tells the

control room operator to start/stop the pumps. This practice is

expensive, resulting in hundreds of thousands of dollars every

year. In addition, it exposes the field operator to hazards,

including falls and hydrocarbon vapors.

Tank Farm Automation

Due to the costs and risks mentioned above, a plant would chose

to automate the tank farm processes. They may need to integrate

the tank level information and the tank farm pump data with a

central control room. The Honeywell Enraf SmartRadarTM

series

offers the perfect solution for measuring tank level, delivering

contact free measurement without moving parts. The accuracy of

the Enraf 976 IS SmartRadar gauge under reference conditions

is 3 mm over the entire measuring range (over 95 feet). Overall,

the device provides a wide operating range of -40oC to 80

oC and

is certified intrinsically safe for use in Class 1 Div 1 areas.

In this 50 tank example, the costs of wiring the radar level

gauges and pumps could estimate $5 million, including the cost

of laying fiber optic cables, and the project could last more than

three months to create 5,000 feet of cable trenching.

OneWireless with Honeywell Enraf 970 SmartRadar

Honeywell’s OneWireless™ infrastructure, using XYR 6000 high-

level analog input transmitters interfacing with Honeywell Enraf

970 SmartRadar gauges, offers the most effective solution for

effectively capturing needed data.

OneWireless Tank Farm Solution with Honeywell Enraf – An XYR 6000transmitter communicates with the control room through the multinodes 

EnrafXYR6000

8/2/2019 Wireless Tank Gauging SN Oct07

http://slidepdf.com/reader/full/wireless-tank-gauging-sn-oct07 2/2

Wireless Solutions Ensure Accurate Inventory Gauging in Offsite Refinery Locations 2

More Information

For more information on OneWireless, visit

www.honeywell.com/ps/wireless or contact

your Honeywell account manager.

Automation & Control Solutions

Process Solutions

Honeywell

2500 W. Union Hills Dr.

Phoenix, AZ 85027

Tel: +1-602-313-6665 or 877-466-3993

www.honeywell.com/ps 

Using proven measurement with a wireless infrastructure

improves business performance while also saving costs. These

benefits include:

• The OneWireless network provides a flexible and long range

network, while the XYR 6000 transmitters provide reliable

and predictable battery life up to 10 years.

• Reliable and secure performance using Frequency Hopping

Spread Spectrum (FHSS).

• A network that is scalable up to 30,000 nodes and capable of

supporting multiple applications like wireless worker and

location system applications.

• Reliable network that provides redundancy both at the field

instrumentation and backbone level.

The OneWireless multi-functional network provides one

infrastructure to support multiple applications. With this

infrastructure in place, it’s now easy to equip operators with

Honeywell’s Mobile Station to provide access to critical process

information, historical data, graphics and other key field

functions. In addition, to further enhance safety, it’s easy to add

gas detectors and CCTV over that same efficient network.

SO-07-26-ENG

October 2007

 © 2007 Honeywell International Inc.