Wireless System transmits pressure and temperature signals.

Press Release Summary:

Battery-powered, explosionproof, Wireless Transmission System measures and transmits temperature and pressure signals out of Division 1 area to safe area, eliminating need for conduit and wires. Unit offers range of 3,000 ft with no line of sight and transmits data at intervals of 1-60 sec. It accepts thermocouple, RTD, and transducer inputs and provides RS-232, 4-20 mA, and 0-5 V outputs. Waterproof NEMA 4X version is also available.

Original Press Release:

Adalet Wireless Offers New Battery-Powered Wireless System for Transmitting Temperature and Pressure Signals

Cleveland, OH, December 27, 2004 - Adalet Wireless has announced a battery-powered, wireless transmission system for measuring temperature and pressure. The explosionproof wireless system was designed for measuring and transmitting temperature and pressure signals out of a Division 1 area to a safe area, eliminating the need for costly conduit and cable runs in hazardous locations. A rugged NEMA 4X, version is also available for non-explosionproof applications where ruggedized, waterproof protection is required.

Adalet Wireless systems are an innovative, cost cutting solution for transmitting temperature, pressure, or other data signals in explosionproof Division 1 or industrial areas. Hazardous location wiring is extremely expensive or totally unfeasible in many applications. Adalet Wireless products eliminate the need for expensive conduit and wires in hazardous or any industrial location.

This major innovation by Adalet Wireless will enable many new, creative applications in Class I, Division 1 and industrial locations. Activities such as data collecting, sensor monitoring, and process control, previously unthinkable because of constraints with hard wiring, are now possible with the Adalet Wireless link. The process control engineer can now implement solutions never before available.

The Adalet Wireless system comes complete with a ruggedized Adalet explosionproof Division 1 or NEMA 4X enclosure, thermocouple, RTD, or pressure transducer inputs, self contained lithium battery, radio transmitter and antenna. A receiver unit is also included which can be installed in any of Adalet's cast aluminum, fiberglass, or stainless steel enclosures.

o Approved for Class I, Division 1 or industrial locations
o Signal conditioning for thermocouple, RTD, or pressure transducer inputs
o Range: up to 3000 feet with no line of sight
o Easy to use, battery powered, no set up or programming required
o Data transmit interval set at factory in the range of 1 to 60 seconds
o Frequency Hopping Spread Spectrum technology
o License free 902-928 MHz ISM band
o Factory adjustable transmit power from 1mW to 1W
o Available inputs: Thermocouple, RTD, or transducer
o Available outputs: RS-232, 4-20mA, 0-5V
o Glass dome for maximum RF signal transmission and visual inspection of status LED's
o Two ¾" NPT hubs for connection to temperature or pressure sensors

o Tank level
o PLC / RTU extensions
o Mills / quarries / factories
o Pump control
o Sensor monitoring
o Waste / wastewater
o Utilities
o Oil & gas
o Irrigation systems
o Petrochemical

XDANT - Explosionproof Enclosure
Division 1 Classified Areas-U.S., Canada
o Class I, Division 1, Groups B, C, D
o Class II, Groups E, F, G
o Class III
o Zone 1 Classifications - U.S. and Canada

o UL Standard 1203
o CSA Standard C22.2 No. 30
Canada: CSA-E79-0 & CSA-E79-1
U.S.: ANSI/UL60079-0, ANSI/UL60079-1

N4DANT - NEMA 4X Enclosure
Industrial and general purpose areas

o UL Standard 50
o CSA Standard C22.2 No. 94

Model AW wireless systems approval to UL60950-1 (pending)

Adalet Wireless, A Scott Fetzer Company (a subsidiary of Berkshire Hathaway), is a leading manufacturer of wireless systems, electrical enclosure systems and cable accessories for hazardous and industrial locations, offering custom modification as well as standard products for more than 70 years. The company holds certification under ISO-9001 International Standards for Quality Management. Adalet markets a broad line of industrial, wireless, and explosionproof enclosure systems ranging from junction boxes, control stations, meter housings, power panels, and motor control to pilot devices, operators, fittings, and other accessories.

For more information contact:
Adalet Wireless, 4801 West 150th Street, Cleveland, Ohio, 44135, USA Tel: 216-267-9000; Fax: 216-267-1681; Email: info@adalet.com; Website: www.adalet.com

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