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Metal detector excels in wet, harsh conditions

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THE new generation metal detector solves this problem by exceeding the strict IP69k washdown standard and is said to be the only metal detector in the world to meet and exceed this level of protection.

The rugged technology incorporated into the DSP IP offers high sensitivity and reliability on production and conveyor lines for high-moisture food products such as smallgoods, meat, fish, cheese, sauces and preserves, withstanding vigorous 1450psi (100 bar) and 80°C washdown regimes without additional protection.

“The instrument’s high sensitivity and reliability even in wet environments is a breakthrough development for a wide variety of Australian applications, overcoming challenges currently faced by many manufacturers and packagers,” JL Lennard managing director David Boekemann said.

In addition to protecting brands against waste, expensive quarantine and embarrassing recalls, the instrument eliminates losses of time and money caused by hand washing and covering up machinery. This translates into greater productivity and a better return on investment.

The system’s internal power supply saves space on production lines, simplifying installation and giving more production flexibility. It means less hardware and external wiring to install and maintain, and one less set of connections to potentially cause problems later.

The machine’s Digital Signal Processing (DSP) delivers more accurate, less ambiguous detection.

At maximum line speeds, the DSP IP can detect metal that other systems might miss – without rejecting product unnecessarily.

The optional world-patented AuditCheck(TM) automatic performance verification system gives even more control by continuously monitoring the performance of the metal detector, quickly spotting and reporting even small changes in sensitivity.

“This allows manufacturers to fine-tine operations in real time to deliver more product and waste less,” Boekemann said.

Features of the DSP IP include:

· Standard aperture widths from 100-2000mm, heights from 50-600mm, with head widths from 75-320mm

· Universal power supply for worldwide use without modification

· Fault condition selection from front panel to a generate alarm

· Five output signals, including two solid state (typically used for AuditCheck and reject control) and three for individually selected applications including faults and alarms

· Printer and Communications connections including RS232 or four-wire multidrop RS485 interface

· DSPNet communications and software control package that allows up to 32 (optionally 64) DSP2, DSP3 and DSP IP metal detectors to be connected to a central PC

· Manufacture to ISO 9001. Worldwide approvals to IP69K and CSA

JL Lennard’s product inspection division represents Thermo Ramsey and Thermo Goring Kerr products designed to help ensure only high quality contaminant-free products reach consumers.

The ranges include weighing, inspection and monitoring products including automatic checkweighers, metal detectors and x-ray equipment.

“Thermo Electron is the world’s largest instrumentation company in its field, so they are always at the forefront of technological change and always investing enormous amounts into R & D to stay ahead,” Boekemann said.

“Our latest Thermo goring Kerr models have raised the standard to be the world’s first detection system to employ a Digital Signal Processor in place of the traditional microprocessor. This results in a metal detector that provides greater sensitivity than is possible with conventional detectors.

“Once contaminated product has been detected, the automatic reject system will remove it from the line without interrupting the product flow and with a minimum loss of product by the use of many different types of product reject devices.”

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