Processingtalk news headlines: Sunday 21 October to Saturday 27 October 2007

Long range, smart ultrasonic sensors

The new MassaSonic smart ultrasonic sensors offer longer ranges for the popular M-300 series family of RoHS compliant ultrasonic sensors Brochure Available

News from Vydas International Marketing (26 October 2007)

Multiphase flow simulation from Microsoft R Excel

The SimSci-Esscor unit of Invensys Process Systems has announced a new version of its Pipephase simulation software program that can use the Microsoft Excel spreadsheet as an interface

News from Invensys SimSci Esscor (26 October 2007)

Control unit for 4-20mA or HART transmitters

Emerson introduces the Rosemount 3490 Series of Universal Control Units, designed to provide comprehensive control functionality when used with any 4-20mA or HART compatible transmitter

News from Emerson Process Management (26 October 2007)

Triline-R mains board for panelbuilders

ABB is dramatically reducing the time it takes to specify and assemble mains distribution boards, with the launch of its Triline-R enclosure range

News from ABB Automation Technologies (Low Voltage Products) (26 October 2007)

Technosoft drives and motors support CANopen

All Technosoft intelligent drives and motors now support CANopen, embedding motion control, drive and PLC functionalities in a single compact unit

News from Technosoft (26 October 2007)

Temperature control for razor manufacture

User Application Article Obtaining a good shave requires a blade with the finest edge and that is why quality and production consistency is a fundamental requirement for the Supermax Corp of India

News from Eurotherm (26 October 2007)

Software for fully traceable water quality data

Aitken Scientific specialist software is providing improved data access to Purite water purification units, providing fully traceable water quality monitoring

News from Aitken Scientific (26 October 2007)

Control Performance Monitor software user training

This December, Cincinnati is the chosen location for a 3 day workshop for the "Matrikon Control Performance Monitor" software user training course

News from Top Control (26 October 2007)

New environmental 'Self test' centre

Unitemp announce the availability of a new custom built facility housing an environmental 'self test' centre.

News from Unitemp (26 October 2007)

Efficient panel PC for standard industry duties

With its powerful 1.86 gigahertz Intel Mobile processor, the new Simatic Panel PC 577B from Siemens Automation and Drives provides outstanding computing power for industrial applications

News from Siemens Automation and Drives (26 October 2007)

Diba Click-N-Seal Assemblies in Germany

Diba Industries will showcase critical fluid handling components for IVD and scientific instrument manufacturers during the ComPaMED/Medica 2007 Exhibition, November 14-16, in Dusseldorf Germany

News from Diba Industries (26 October 2007)

Embedded SIM concept to revolutionise M2M market

Telit Wireless Solutions, a global leader in the field of machine-to-machine (M2M) communication, is unveiling the GE863-SIM, an innovative module solution integrating the "Embedded SIM" from Gemalto

News from Telit Wireless Solutions (26 October 2007)

New base in Europe for RAE Systems

RAE Systems, a provider of rapidly deployable sensor networks for toxic gas detection, announces the opening of a new larger facility to manage its European operations

News from RAE Systems UK (26 October 2007)

New low cost dual axis digital tilt sensors

Inertial Aerosystems announce the availability of a new range of low cost, dual axis digital tilt sensors, the microprocessor based DAS-XX-MA-232 range Brochure Available

News from Inertial Aerosystems UK (26 October 2007)

Hapman conveyors now available from Braby

Hapman have announced that they will be returning to the UK market for the first time since the mid 1990s, in order to meet demand for their materials handling products

News from Braby (26 October 2007)

Modbus based IO modules for data acquisition

Available from Audon Electronics is a new range of low-cost Modbus based remote IO units which provide a simple way of integrating analogue or digital signals to supervisory SCADA systems

News from Audon Electronics (26 October 2007)

Grinding technology for Finland nickel mine

Outotec has agreed with Scandinavian Minerals of Canada for the delivery of grinding technology for the Scandinavian Minerals Kevitsa project in Finland

News from Outotec (26 October 2007)

'Safemount' weighing of luxury yachts

User Application Article High performance, interchangeable weighing assemblies that are designed for harsh environments have enabled one of the world's leading manufacturers of super yachts to accurately weigh their craft

News from Applied Weighing International (26 October 2007)

Cost-effective point liquid level detection

Sensortechnics introduces the new OLP series of miniature optical liquid level switches to measure the presence or absence of liquid in a wide range of OEM applications.

News from Sensortechnics UK (26 October 2007)

'Appetite for Engineering' food conference

The food event of the year is finally here - Appetite for Engineering, the conference, demonstration and networking forum, 28-29 November at the Chesford Grange in Kenilworth, near Warwick

News from Food Processing Faraday Partnership (26 October 2007)

Sensonics success from Miconex in China

As part of their on-going campaign in Asia, Sensonics recently exhibited at Miconex 2007 in Shanghai, which has produced significant power industry product interest Brochure Available

News from Sensonics (26 October 2007)

Next-generation nuclear interface level device

The Thermo Scientific Krilpro is the latest in a line of nuclear products specifically designed to improve the efficiency and stability of the delayed coking process used in refineries

News from Thermo Fisher Scientific - Process Instruments (26 October 2007)

Sanitary pH sensor for food and pharmaceuticals

A new sanitary pH sensor, the pH3A, designed to minimise contamination in applications in the food and pharmaceutical industries, has been introduced by Yokogawa Europe

News from Yokogawa Europe - Industrial Automation (26 October 2007)

Glasswork hot end lubricants improve performance

Glasswork hot end lubricants have to perform in an extremely severe environment, reducing maintenance requirements and wear of machinery while being energy efficient, economical, environment friendly Brochure Available

News from Batoyle Freedom Group (25 October 2007)

What is the future for non-Ethernet networks?

Technical Background Article Future prospects for traditional, non-Ethernet based industrial device networks look increasingly narrow as industrial Ethernet continues its migration into lower levels of the automation hierarchy

News from ARC Advisory Group (25 October 2007)

Three channels-in-one data logger

T + D Corporation has introduced the new TR-73U Data Logger which monitors three channels: temperature, humidity, and barometric pressure

News from T and D (25 October 2007)

Thermostatically controlled hot water for cleaning

AJG Waters introduces the Strahman M 5000 -TS Thermostatically controlled hot water maker for your everyday plant cleaning requirements.

News from Waters Equipment (25 October 2007)

CleanAIR Systems 'Emissions and Product Guidebook'

CleanAir Systems, a leading manufacturer of emissions control technology, has compiled a free 60-page, PDF e-book entitled the 'Emissions and Product Guidebook'

News from CleanAir Systems (25 October 2007)

New scratch card based safety initiative

Safety Bonus is a new scratch card based safety initiative developed to redress the traditional imbalance between productivity and safety, by encouraging group co-operation and accident prevention

News from Safety Bonus (25 October 2007)

Breakthrough subsea contract in US Gulf

Petrobras Americas has awarded Aker Kvaerner a contract to supply subsea power cables and control umbilicals to its Cascade and Chinook fields in the Gulf of Mexico

News from Aker Kvaerner Oil and Gas (25 October 2007)

Course on security at remote working conference

The ISA is to sponsor an Industrial Network Security Course at the Remote Monitoring and Networking Conference 2007 in Fort McDowell, Arizona

News from ISA:Instrumentation Systems and Automation Society (25 October 2007)

Flameproof X-Stream process gas analyser

Emerson has unveiled the Rosemount Analytical X-Stream flameproof process gas analyser, which can be installed in Class I, Zone1, GroupIIB + H2 hazardous areas requiring ATEX or CSA-C/US certification

News from Emerson Process Management (25 October 2007)

BlueCielo European User Conference 2008

BlueCielo ECM Solutions (formerly Cyco), a leading global software company, will hold its second European user conference at the InterContinental Carlton Hotel in Cannes from February 10-12, 2008

News from BlueCielo ECM Solutions (25 October 2007)

Top recycling and waste management award

Earth Tech has scooped a top environmental award for the unique GBP10 million waste treatment facility it developed for the Western Isles Council

News from Earth Tech (25 October 2007)

Reduced greenhouse gases from Aluminium production

The International Aluminium Institute reports a 14% reduction in total greenhouse gas emissions from the production processes of aluminium, including bauxite mining, from 2000 to 2005

News from Editorial Articles: Miscellaneous submissions (25 October 2007)

Dutch gas sampler was pre-designed in 3D

Jiskoot has completed the manufacture of a fully automated offshore 4-stream gas sampling system in The Netherlands, using 3D design techniques to ensure optimum site layout and meet tough demands

News from Jiskoot (25 October 2007)

Optimass improves liquefied gas measurement

User Application Article Specialist chemical manufacturer F2 Chemicals has installed the Krohne Optimass 8000 Coriolis mass flowmeter to improve the reliability of liquefied gas flow measurement at its plant in Lancashire

News from Krohne (25 October 2007)

'Single Seal' CSA tested pressure transmitters

American Sensor Technologies announces single seal compliance to ANSI/ISA 12.27.01-2003 for their AST4600 Explosion-proof pressure transmitter series

News from American Sensor Technologies (25 October 2007)

Electricity transformer condition monitoring in NZ

User Application Article With the help of Matrikon, Meridian Energy, New Zealand's largest electricity generator, developed a centralised plant asset management system, to provide predictive condition monitoring information Brochure Available

News from MatrikonOPC (24 October 2007)

In-situ health assessment of Coriolis meters

The new AMS Device Manager Meter Verification Snap-On application makes it easy to assess the health and calibration of Micro Motion Elite Coriolis meters - in real time

News from Emerson Process Management (24 October 2007)

The Qwik Conveyor, the on-site changeable system

Ever wished that you could take a wide variety of product weights and widths reliably around a conveyor bend of a site adjustable angle?

News from Automation Supplies (24 October 2007)

Imaging solution for pharmaceutical labels

DataLase is working with Domino AmJet to print high quality lot and expiration codes onto pharmaceutical cartons and labels

News from DataLase (24 October 2007)

Vitronic label readers for Currys parcels

User Application Article Currys use PJ Gavin and Sons parcel conveyor systems, who selected the Vitronic VICAMssi for reading the dirty, damaged or handwritten labels received at their returned goods warehouse

News from Vitronic (24 October 2007)

Temperature transmitters in pharmaceutical project

A major pharmaceutical company has ordered ABB temperature transmitters worth GBP60k as part of an expansion project at one of its British manufacturing sites

News from ABB Automation Tech (Instrumentation + Automation) (24 October 2007)

Flextraction exhibiting in Dublin

Flextraction, the specialist in capturing at source all forms of airborne contamination - dust, fume and oil mist, is exhibiting at the Manufacturing Technology Show, Dublin from 7-8 November 2007

News from Flextraction (24 October 2007)

Precise acquisition and monitoring of energy

The new Sentron PAC3200 power monitoring device from Siemens Automation and Drives precisely acquires the current, voltage and energy values of loads in industrial and utility buildings

News from Siemens Automation and Drives (24 October 2007)

Enhanced new ProSafe-RS safety instrumented system

Yokogawa Electric Corporation announces the launch of an enhanced version of the ProSafe-RS safety instrumented system, ProSafe-RS R1.03, with optical comms and a simulation test function

News from Yokogawa Europe - Industrial Automation (24 October 2007)

Intertek acquires Ageus Solutions

Intertek Restricted Substances Consulting Services Group has acquired Ageus Solutions, for global environmental compliance consulting, technology services, testing and product stewardship

News from Intertek Caleb Brett (24 October 2007)

New Delta precision dosing pump models

ProMinent Fluid Controls announces an automatic de-aeration version of its popular Delta precision dosing pump, together with two new models for the continuous dosing of volumes as small as 5ml/hr

News from ProMinent Fluid Controls (UK) (24 October 2007)

It's a 'Wrap' for dough bread testing!

With the huge increase in the popularity of "wrapped" foods ranging from Mexican wraps to crispy duck pancakes at the Chinese restaurant, Lloyd Instruments introduces a new bread dough texture tester

News from Lloyd Instruments (24 October 2007)

The new CoSynus checkweigher/metal detector combi

From Sartorius, the leader in weighing technology, the CoSynus is the best checkweigher/metal detector combi in the world for food industry professionals - with free average weight control software! Brochure Available

News from Sartorius UK (24 October 2007)

Sloppy Sludge? - You need the Spin Doctors!

Euroby are sole UK/Ireland suppliers for high quality Flottweg centrifuges for sludge dewatering, and can also offer spares, service and maintenance on any make or model of centrifuge, on or off site

News from Euroby (24 October 2007)

The unique IDEC two position pushbutton selector

The unique HW1R two position product is part of the popular 22mm HW range, and has separate operators and contact blocks

News from Idec Electronics (24 October 2007)

Extended warranty for 'doseBadge' noise dosemeter

Cirrus Research, specialists in noise measurement equipment for industry, has introduced a new, extended '2.5 Year' warranty for its doseBadge personal noise dosemeter system

News from Cirrus Research (24 October 2007)

Worldwide security support for at-risk engineers

Engineers and their families are being offered expert advice for working in high risk locations following the launch of an integrated security and incident management support service by NES

News from NES International (24 October 2007)

Enhanced powder characterisation service offered

A specialist team of analysts has been introduced to manage the growing workload at the powder characterisation service offered by Particle Technology Labs in Chicago

News from Freeman Technology (24 October 2007)

REACH fees are 'out of control', says the CBA

Technical Background Article The Chemical Business Association has reported that the REACH fees to be charged by the European Chemicals Agency were 'out of control', and radically above the original EC proposed levels

News from Chemical Business Association (24 October 2007)

Scouts Jamboree water was logged by SMS

User Application Article Information from two Radcom Multilog SMS loggers helped Essex and Suffolk Water efficiently manage their network and react to demand anomalies caused by the Scouts Jamboree camp water demand

News from Halma Water Management (24 October 2007)

Monitoring on-site production of 'Aer Medicalis'

MEDBAC (Medical Breathing Air Control) has been developed for monitoring compressed air quality in the medical field, which is subject to medical laws Brochure Available

News from Beko Technologies (24 October 2007)

Diminishing workforce for boom in asset management

Technical Background Article The worldwide market for Plant Asset Management (PAM) systems is expected to grow at a compounded annual growth rate (CAGR) of 10.8% over the next five years, forecasts ARC

News from ARC Advisory Group (24 October 2007)

UK Universities record chemical engineering intake

Universities in the UK are celebrating a record intake of chemical engineering students, following the publication of the UCAS provisional 2007 admission figures

News from IChemE (Institution of Chemical Engineers) (24 October 2007)

New silent piston air compressors from Wilkinson

Wilkinson Star, UK agent for Bologna based designer and manufacturer of air compressors, FIAC Air Compressors, has launched the SCS compressor system, a new silent, belt driven, piston air compressor

News from Wilkinson Star (24 October 2007)

When were your HEPA filters last checked?

Hosokawa Micron are now able to offer HEPA Filter Integrity Tests either as a specific task or as part of a planned maintenance programme

News from Hosokawa Micron (24 October 2007)

Northwest Analytical opens Shanghai office

Northwest Analytical announces that it has opened new offices in Shanghai, in the PR China, to extend their marketing and support capabilities globally

News from Northwest Analytical (24 October 2007)

Achema 2009 looks to attract 180 000 visitors

Around 4000 exhibitors from 50 countries look set to attract about 180 000 visitors from 100 countries to Achema 2009 - the leading international event

News from ACHEMA 2009 (23 October 2007)

Waste tyres in Polysius Calciner increased to 60%

Cinar mathematical modelling suggested site amendments to the waste tyre injection points on a cement plant Polysius pre-calciner, which led to the waste tyre loading being considerably increased

News from Cinar (23 October 2007)

Light weight and accurate flowmeter applications

Titan Enterprises has designed some light weight oval gear flowmeters: one is used for monitoring hydraulic fluids at the end of a robot arm, another to monitor sulphite hand spraying in a vineyard Brochure Available

News from Titan Enterprises (23 October 2007)

Labelling system uses Touch Screen Technology

User Application Article Premier Foods had a labelling problem: specialist print and apply label systems supplier Cobalt IS called on the expertise of HardwarePT to choose the label generation and line control hardware

News from HardwarePT (23 October 2007)

New innovative biodiesel quality analyser

Aspectrics, the innovator of patented Encoded Photometric Near Infrared (EP-NIR) spectroscopy technology, extends its biodiesel portfolio with the launch of the new Quality Analyser 1000 Brochure Available

News from Aspectrics (23 October 2007)

Modular range of intelligent liquid level sensors

A new range of intelligent liquid level sensors are easily adapted to the widest range of requirements in demanding water treatment, pharmaceutical, food and other hygiene-based industries Brochure Available

News from Burkert Fluid Control Systems (23 October 2007)

ABB awarded for drive supplies to pump industry

ABB has won the prestigious "Supplier of the Year Award" at the annual Pump Industry Awards 2007, backed by the British Pump Manufacturers Association

News from ABB Automation Tech (Drives and Motors) (23 October 2007)

Furanics biofuels give breakthrough test results

By applying advanced high-throughput R+D technology, Avantium has developed a next generation of biofuels, called "Furanics", which can be derived from sugars and other carbohydrates

News from Avantium Technologies (23 October 2007)

Singapore tests new 16inch RO membranes from Dow

User Application Article Dow Water Solutions and PUB, Singapore's national water agency, have signed an agreement to test-bed the next-generation of Dow Filmtec membranes for use in water reclamation and re-use

News from Dow Water Solutions (23 October 2007)

Pressure sensor with extremely high accuracy

With the PI7 series ifm electronic presents a flush pressure sensor and switch particularly suited for processes requiring a high measuring accuracy Brochure Available

News from IFM Electronic (23 October 2007)

Powder conveyor helps deliver bulk supplies

User Application Article Gem Pack Foods in Dublin are well pleased with the performance of the 'Spiroflow' Big Bag (FIBC) Discharger supplied via Ireland distributor Powder Process Systems

News from Spiroflow (23 October 2007)

Food test fixtures fit application demands

The Food Technology Corporation will be exhibiting their enhanced range of over 100 standard test fixtures conforming to ISO, DIN and BS standards at the Food Ingredients Europe Show, at Excel Brochure Available

News from Food Technology (23 October 2007)

Baking lumps mixed smooth in hazardous area

User Application Article When a baking ingredients manufacturer had a sticky mixing problem they contacted Hosokawa Micron to help them get the lumps out of their mixture

News from Hosokawa Micron (23 October 2007)

Bimetal thermometer for heavy industry

The TBHI is a robust bimetal thermometer specially designed to be used in severe conditions, such as chemical and petrochemical industries, power generation as well as marine and offshore applications

News from Baumer Group (23 October 2007)

Honeywell OneWireless universal mesh network

The Honeywell OneWireless universal mesh network supports multiple industrial protocols and applications simultaneously, providing a single industrial wireless mesh network that is simple to manage

News from Honeywell Field Solutions (23 October 2007)

Training simulator for LNG terminal

Invensys SimSci-Esscor dynamic process and controls simulation technologies will be used at a training simulator for control room operators at the Trunkline LNG terminal near Lake Charles, Louisiana

News from Invensys SimSci Esscor (22 October 2007)

Wonderware releases new Compact Panels

The new Wonderware Compact Panels are industrial touch-screen operator panels, part of their scalable, enterprise-wide HMI and SCADA offering

News from Invensys Wonderware (22 October 2007)

VeriPRO check system for earplug effectiveness

New VeriPRO technology makes it possible for safety managers to ensure employees are getting the most out of their hearing protection devices, and check earplug effectiveness

News from Sperian Hearing Protection (22 October 2007)

DSP basics and applications course

A four day short course on the 'Basics and Applications of Digital Signal Processing' will offer hands-on sessions and workshops, from 6-9 November

News from hueggenberg gbr (22 October 2007)

Rosemount E-Series magnetic flowmeters

The major technology advances incorporated into the Rosemount E-Series flowmeters creates highest magnetic flowmeter accuracy and most advanced diagnostics available

News from Emerson Process Management (22 October 2007)

Furnace and heat treatment monitoring systems

Brearley has a history of monitoring furnaces and heat treatment systems, up to the latest AMS2750D specification requirements for the monitoring of aerospace component heat treatment facilities

News from Roxspur Measurement and Control (22 October 2007)

Silver Series Plus operator interface terminals

Maple Systems is pleased to announce the release of their newest generation of touchscreen operator interface terminals, the Silver Series Plus

News from Maple Systems - Euro Reps (22 October 2007)

Red Lion controllers add Devicenet

DeviceNet support now available for the Red Lion Data Station Plus and Modular Controller series

News from Red Lion Controls USA (22 October 2007)

Tetratex media for chemical processing

Donaldson Membranes is gearing up for the chemical market with the launch of a new brochure produced specifically for customers requiring high-performance filter media solutions

News from Donaldson Membranes (22 October 2007)

Electrak Pro Series of linear actuators launched

Danaher Motion appoints Micromech to distribute their Electrak Pro Series line of linear actuators for the toughest and most demanding applications

News from Micromech (22 October 2007)

ChemBioOffice software suite for Life Sciences

Adept Scientific is pleased to announce the immediate availability of ChemBioOffice 2008, part of the CambridgeSoft full suite of integrated scientific desktop applications Brochure Available

News from Adept Scientific (22 October 2007)

New version of GZ-728 standard on fridge recycling

The RAL GZ-728 quality assurance and test specifications to be met when processing end-of-life refrigeration equipment containing CFCs have recently been subjected to comprehensive review and revision

News from RAL: Quality Assurance Association (22 October 2007)

MaxStream XBee ZigBee modules help ice skaters

User Application Article MaxStream ZigBee Modules from Digi International ensure perfect skating conditions, by spreading wireless battery powered sensors around and under the ice in Holland

News from Digi International (22 October 2007)

UV water treatment for spas and swimming pools

GB Environmental chose the Leisure Industry Week (NEC, Sept'07) exhibition to launch advanced Ultra Violet (UV) water treatment technology for spas and swimming pools

News from GB Environmental (22 October 2007)

Automatic sample preparation and titration in one

The new 815 Robotic Titration Soliprep from Metrohm is suitable for the titrimetric determination of samples that first have to be homogenised Brochure Available

News from Metrohm UK (22 October 2007)

Brammer helps drive competitiveness of UK industry

Brammer has unveiled its state-of-the-art maintenance and repair operations Centre of Excellence at an official opening in Wolverhampton

News from Brammer (22 October 2007)

New encyclopedia helps with EMC and RFI design

Technical Background Article A new encyclopedia by Tecan comprehensively embraces the design and production of shielding products to satisfy modern-day electromagnetic compatibility and radio frequency interference needs

News from Tecan (22 October 2007)

Global liquid dairy consumption at all time high

New Tetra Pak figures, released for World Osteoporosis Day on 20 October, show global liquid dairy products consumption is projected to hit an all time high in 2007, at 242B Litres, up 5B on 2006

News from Tetra Pak (22 October 2007)

Weighbridge control system speeds turnaround time

User Application Article Johnstone Trucks are now processed eight times faster at the Ennstone Johnstone Cloud Hill site following the installation of a new weighbridge control system from Avery Weigh-Tronix

News from Avery Weigh-Tronix (22 October 2007)

Fluke offers FREE live Thermal Imaging webinars

Fluke is offering free participation in thermal imaging seminars on 8th or 14th November via the web, to learn about the benefits that inexpensive thermal imagers can bring to preventative maintenance Brochure Available

News from Fluke (UK) (22 October 2007)

Automatic gantry palletising system for KP Foods

User Application Article United Biscuits, a leading European biscuit and snacks manufacturer, chose Gudel UK to provide an automatic gantry palletisation system at its KP Foods factory in Billingham

News from Gudel UK (22 October 2007)

Powerful in-vehicle computing platform

Nematron Europe introduce a powerful in-vehicle computing platform with over 5 times the normal shock and vibration resilience of an industrial PC

News from Nematron Europe (22 October 2007)

Power connectors for Hazardous Areas from Hawke

A complete range of medium and high power connectors for hazardous areas have been introduced by Hawke International

News from Hawke International UK (22 October 2007)

Repair expertise on-line in Bahrain

User Application Article Specialist expertise and experience from Furmanite in Bahrain, avoided downtime for Saudi Yanbu Petrochemicals when a malfunctioning safety relief valve was successfully repaired on-line

News from Furmanite International (22 October 2007)

Maintenance North West Expo + Conference

The Maintenance North West exhibition and conference event brings a free entry maintenance and asset management exhibition to Manchester in November, plus a major conference

News from Maintenance North West (22 October 2007)

Amcor bottle production adopts Wonderware

User Application Article HardwarePT has supplied a range of workstations and servers, with interface units to acquire real-time data from the plastics machinery at the Amcor Gresford plant

News from HardwarePT (22 October 2007)

Touch Screen PC provides key to FDA compliance

User Application Article An on-machine touch panel PC from HardwarePT is a novel and effective solution to the requirements of enhanced local operation and compliance with the FDA guidelines in the latest Lock metal detector