Page 50: of Maritime Reporter Magazine (January 1981)

$1,2-Million Navy Contract

For Communications Buoy

Awarded To Hazeltine

Hazeltine Corporation, Commack, N.Y., has announced the receipt of a $1.2-million

U.S. Navy contract from Naval Sea Sys- tems Command for the development of a digitally programmable communications buoy and buoy interface unit for use in submarine communications via satellite. The system, once developed, will be considered for installation on all SSN United States submarines.

This contract will permit Hazeltine, a leader in advanced sonobuoy technology and design, to apply and extend that technology in development of a new submarine com- munications system. System design and de- velopment will be performed primarily by the staff of Hazeltine's Anti-Submarine War-

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New Brochure On Hoists

And Winches Available

From Joy Manufacturing

A new 16-page brochure describing its complete line of air hoists and utility winches is now available from the Joy

Manufacturing Company.

Air hoists and utility winches are widely used in industry and mining. They have no spark or shock hazards and work in extreme temperatures. Typical uses are oil drill- ing platforms, refineries, construction sites, mines, and various marine applications.

The brochure includes a Hoists Selector

Chart as well as a full page devoted to each model or model family. The page covers hoist dimensions, foundation dimensions, general specifications, and performance curves for the hoist at "full drum," "y2 drum," and "first turn on drum."

For copies of the brochure, designated

B1530,

Write 39 on Reader Service Card $10.4-Million U.S. Navy

Overhaul Contract

Awarded To General Ship

General Ship Corporation of East Boston,

Mass., has been awarded a U.S. Navy con- tract in the amount of $10,437,420 for reg- ular overhaul of the destroyer USS Mullin- nix (DD-944).

Under the new contract, the Mullinnix will arrive in the yard in February 1981 for a 10-month overhaul. General Ship is now com- pleting overhaul work on the destroyer USS

Edson (DD-946), which will be delivered to the Navy within the original contract sched- ule period.

Contracting activity was the Supervisor of

Shipbuilding, Conversion and Repair, USN,

East Boston. (N62665-79-C-0004)

New Ultrasonic Liquid

Level Control System

Introduced By Inventron

Inventron Industries Inc. of Klamath Falls,

Ore., has introduced a microprocessor-based level control system dedicated to pump con- trol. The new system, named the LS-99, uses ultrasonic transducers to detect product level in tanks and other vessels.

Among the key features of the LS-99 is an array of front panel controls that permit the user to perform all start-up and calibra- tion routines without opening the controller cabinet. The standard configuration of the

LS-99 is designed to handle single and du- plex pump stations, but as many as eight pumps can be controlled. The controller for the LS-99 can be purchased without an ul- trasonic control card, and thus can be used to control the 4-20 mA signal of essentially any type of level-control device.

Lead and lag pump capability is included, and four thumbwheel switches on the front panel permit easy and fast changes in set- tings. Optional high and low alarms can be included if desired. Analog voltage outputs are included, and optional current outputs are available with the system.

For additional information on the Inven- tron Industries LS-99,

Write 40 on Reader Service Card

New Watch Receiver

Announced By DEBEG—

Literature Available

DEBEG Marine, Inc., Tewksbury, Mass., has announced availability of its new Model 2340 watch receiver. The receiver was de- signed to conform to SOLAS regulations and the requirement that all vessels over 300 gross tons will be equipped with a watch receiver by March 31, 1981. According to the company the unit has been successfully proven on hundreds of oceangoing vessels, having already met all of the required Eu- ropean standards. FCC approval is pending.

The DEBEG 2340 RT watch receiver auto alarm provides permanent watch-keeping on the international distress frequency, 2,182 kHz. Three operational modes are push button selectable. When in mute mode, the receiver is in operation but AF signals are inaudible. In the 2-tone filter mode, only the 1,300 Hz and/or 2,200 Hz are audible. In the normal mode, all AF signals are audible.

In the mute mode, the receiver will auto- matically switch over to normal on recep- tion of the international radiotelephone alarm signal, the navigational warning sig- nal, or the EPIRB signal. The automatic switchover from mute or 2-tone filter modes with external signaling is achieved by spe- cial logic selector circuits. An optional clock is available to switch from mute mode to normal during the silence periods.

For more information and free literature,

Write 41 on Reader Service Card

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An equal opportunity employer M/F 14 Maritime Reporter/Engineering News