Page 28: of Maritime Reporter Magazine (July 1981)

Shipboard Automation 6 Monitoring Systems —Metritape, Inc. (continued from page 28) monitoring of liquid level and temperature using standardized plug-in modular components. The new Metrimodule system fea- tures individual digital displays, measuring about 3.5 inches high, 7 inches wide by 5.5 inches deep (89 by 178 by 140 millimeters), that provide level, temperature, and multiple alarm indications plus operational controls for each tank. The displays can be easily recessed into an existing console or panel box mounted in a bow- up tank plan pattern (up to 23 displays plus system control mod- ule).

Continuous tank ullage is shown to the nearest centimeter, tenth foot or inch, and product temperature in degrees C or F at the press of a button. Three ad- justable audible and visual alarms are for high, overfill and low lev- els. Low alarm also monitors deck cables for open circuit. The Metri- module system includes Metritape

Level/Temp electric sensors, in- trinsic safety barriers, Metri- module-digital displays and Mul- tifunction-4 circuit cards. These standardized components are sep- arate for each tank, interchange- able and plug-in. They insure that most component failures will af- fect only one tank and simplify service by shipboard personnel— maximizing system reliability.

For more information,

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NATIONAL MARINE

SERVICE

National Marine Service bridge console built for the dredge YAQUINA.

A diesel-powered vessel may have a complete safety watch and control system tailored to its specifications at economical cost.

The key to customizing with economy is the use of standard- ized components to build the sys- tem. National Marine Service of

St. Louis designs customized con- soles with standardized pushbut- ton controls and switches, orga- nized into control panels to fit a specific vessel. The monitoring systems permit unattended or re- duced manning under U.S. Coast

Guard and American Bureau of

Shipping regulations.

Modular design with solid-state electronics are said to provide exceptional reliability with low system cost. Included with mon- itoring and control systems are standard features that eliminate common operating problems. For instance, the system discards normal variations in operating parameters to eliminate false alarms. It also contains controls to activate and deactivate alarm circuits and eliminate nuisance alarms when engines start or stop. An alarm memory feature insures that alarms are not lost when engines are shut down. A front panel test allows testing of all system electronics whether engines are running or not.

The system includes all alarms and controls for a total engine safety watch: engine control con- sole to bridge consol to a moni- tor panel in the chief engineer's quarters.

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PAN AMERICAN

SYSTEMS

Our turnaround time wSII it takes complete facilities.

No other yard in the Western

Hemisphere can match us. Wheth- er it's for rou- tine maintenance, emergency repairs, extensive machinery and hull repairs, jumboizing conversion or design and installation of inert gas systems, crude oil washing sys- tems, segregated ballast or other modifications to meet IMCO standards, we can handle it.

Because we can perform all repair services ourselves, we maintain com- plete control. This minimum depen- dence on out- side sources contributes to our excellent record for quick turnaround and on-time delivery.

That's a major reason we do more cruise ship business than any other

U.S. yard. We can han- dle unexpected repairs

Write 285 on Reader Service Card that turn up during planned mainte- nance and still deliver the ship in time for its scheduled cruises.

Maritime Reporter/Engineering News

Pan American Systems Corpo- ration of Belle Chasse, La. is a leading manufacturer and devel- oper of the marine industry's au- tomation, monitoring, control, and instrumentation equipment. Prin- cipal products include unattended engine room automation systems,

It takes people.

We have over 24,000 of the most highly skilled men and women in the industry, includ- ing 2000 engineers and designers.

It takes experience.

We have been building and repairing ships for nearly 100 years. With our know-how and our people, it's no surprise that we can provide the finest service at competitive rates.

The more complex the job, the more you need us.

Newport News Shipbuilding.

Newport News, Virginia 23607. (804) 380-2600/ Telex 82-3453.

TWX 710-880-0007.

Newport News ,

Shipbuilding LTENNEC0J

A Tenneco Company