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GfG is a world leader for gas detection and measurement technology. For over 40 years GfG has specialized in designing, developing and producing the safest and most reliable equipment and sensors available.
GfG offers an extensive range of portable monitors and fixed systems. The product range includes sensors, the world´s smallest gas monitors, micro-processor controlled multi-gas detectors and computer aided system solutions. GfG provides diverse solutios for Toxic, Explosive and Oxygen gas detection in air and water.
GfG equipement is used in a variety of applications and industries including automotive, chemical industries, landfills, steel industries, hospitals, mining, public utilities, food processing, research institutes, universities and wherever the protection of life and property is needed.
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The MYCO2 is a high performance infra-red gas sensor, designed for monitoring environmental CO2 in protected crops and demand controlled ventilation.
MYCO2 is a robust, low cost CO2 monitor, housed in an IP65 rated enclosure against the ingress of water and particulates. The monitor operates on a diffusion/convection principle and therefore no sampling pump is required.
This monitor can easily be wall-mounted.
For many years, Edinburgh Sensors has manufactured infra-red, dual wavelength sensors with a single optical path and without any moving parts. As a result, the sensor is highly gas specific, and insensitive to other gases and water vapour.
This ensures long term stability and accuracy over extended periods, removing the need for frequent re-calibration.
The MYCO2 sensor can be customised to suit specific applications, placing the design control in the hands of the system designer. The user selectable functions include linear analogue output options, alarm function software and automatic temperature correction.
The MYCO2 sensors are aspirated by a combination of diffusion and convection within the sensor head. This gas sampling method is silent, reliable and provides a fast response time. Convection is used to circulate gas between the sensor head and the diffusion cell with gas exchange occurring, by diffusion, at the surface of the diffusion membrane. Since the gas in the cell circulates within a closed system, all optics are protected from the ingress of dust. No additional pumping or filtering of the gas is necessary.
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MILLENNIUM CATALYTIC BEAD COMBUSTIBLE GAS DETECTOR
The Millennium Series is an innovative line of industrial gas detectors. Its microcontroller provides fast, accurate and continuous monitoring of gases in extreme environments.
Using a modular design, Millennium products can easily develop and adapt to changing requirements, regulations and available technologies. No need to redesign an entire system - simply replace one inexpensive "personality module" with another. Not only will the new "personality module" provide additional or enhanced functionality, it will easily integrate into your existing system.
The compact and explosion-proof Millennium features a power disconnect switch to simplify maintenance, a scrolling LED display for calibration and configuration and meter jacks for easy current loop monitoring.The internal circuitry is equally well designed with performance enhancing proprietary circuits and firmware.
The best designers, technologies and components make Net Safety products responsive, precise, and reliable in the most extreme conditions.
We provide products at a competitive price, with superior functionality and demonstrated effectiveness.
A full range of gases and custom configurations are available (ppm ranges etc.). Please consult our Sales Department.
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Fastest warning for explosion hazards
With bright alarm LEDs and a loud buzzer the transmitter CC28 (ATEX) warns of combustible gases. This avoids expenses for additional Ex-proof buzzers and Ex-proof alarm lights and their costly wiring.
The improved sensor technology and a special „chimney effect“ make the CC28 the catalytic combustion transmitter for combustible gases with the shortest response time worldwide. The proven delta alarm of GfG’s GMA controllers reduces the response time even further – a very important feature particularly for handling explosion dangers. This gives the user important seconds to take counter measures or to get to safety.
Adjustments are done directly at the transmitter by means of touch keys (one man calibration) without opening the casing. An optional remote control facilitates inspection, service and calibration considerably, e.g. if the transmitter is mounted close to the ceiling; you do not have to climb up a ladder.
The gas concentration can be read directly at the transmitter, at the remote control and at the controller. Alternatively you may decide for a low-cost model of the CC28 without display or alarm.
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MILLENNIUM ELECTROCHEMICAL TOXIC GAS DETECTOR
Net Safety's toxic gas detector, the Millennium, delivers safety, security and performance - protection you can trust! Using the latest in electrochemical sensor technology, the Millennium continuously monitors your site for a wide range of toxic gas types. The Millennium is fast and accurate and requires only periodic calibration and maintenance.
Enclosed in a compact and explosion-proof housing, the Millennium features a power disconnect switch to simplify maintenance, a clearly visible scrolling LED display for calibration and configuration and meter jacks for easy current loop monitoring. The Millennium has both an internal push button and external magnetic switch for either intrusive or non-intrusive calibration and configuration.
The Millennium is designed for 12 or 24 VDC systems and is available with analog, relay and digital output configurations as well as a Low Power option- just let us know your requirements!
Net Safety has once again designed a simple yet precise toxic gas detector, engineered to the highest standards for performance and quality, and ideally suited to withstand the challenges imposed by high-risk industrial applications.
A full range of gases and custom configurations are available (ppm ranges etc.). Please consult our Sales Department.
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The Guardian range of infrared gas monitors offers near-analyser quality
continuous sampling, measurement and display of target gas concentrations at an attractive price.
The Guardian SP is a high accuracy monitor offering increased short term stability in lower ranges than Guardian plus models.
For many years, Edinburgh Sensors has pioneered novel non-dispersive infra-red dual wavelength sensors with a single optical path and without moving parts. This ensures long term stability, without the need for frequent re-calibration and makes the sensor highly gas specific and insensitive to other gases or water vapour.
The Guardian plus uses a robust infra-red source, proven in the Gascard II sensor, to ensure long lifetime and reduced susceptibility to shock. The reliability is further enhanced by the elimination of all moving parts from the sensor head.
The Guardian SP is easily maintained requiring only a few minutes per year to replace the hydrophobic particle filter in the inlet housing and a simple calibration procedure to check the accuracy, typically once a year. Applications include plant physiology, horticulture, fruit storage, leak detection, landfill, ventilation control, process control, furnace applications.
The Guardian SP includes an internal pump, liquid crystal display and temperature correction. It also offers a range of user-selectable bit-switches to control the latching alarms and analogue output options. The input power to the unit is user selectable to cover world-wide voltage and frequency standards.
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For over 40 years GfG has been specializing in the development and manufacturing of systems for the measurement of explosive and toxic gases, oxygen as well as further parameters in air and water used in communities, chemical industry, fire and civil protection, mining, power supply, food processing industry, shipping, steel industry, agriculture and also research institutes and universities.Our range extends from sensors, to the smallest gas measuring device in the world, microprocessor driven multimeter with data storage to computer supported systems.
At GfG measuring instruments and sensors are developed by a highly-qualified team of engineers and scientists. A special focus is the development of sensors with the measuring system of IR-absorption, catalytic combustion and thermal conduction.
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G450 Series - New 4-Gas Detector
Watertight design
The compact and lightweight 4-gas detector continuously measures CO, H2S, O2, and combustibles in ambient air. It's functional and watertight design (IP67) incorporates an impact proof, rubberized housing to meet the toughest requirements of harsh environments.
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GfG is a world leader for gas detection and measurement technology. For over 40 years GfG has specialized in designing, developing and producing the safest and most reliable equipment and sensors available.
GfG offers an extensive range of portable monitors and fixed systems. The product range includes sensors, the world´s smallest gas monitors, micro-processor controlled multi-gas detectors and computer aided system solutions. GfG provides diverse solutios for Toxic, Explosive and Oxygen gas detection in air and water.
GfG equipement is used in a variety of applications and industries including automotive, chemical industries, landfills, steel industries, hospitals, mining, public utilities, food processing, research institutes, universities and wherever the protection of life and property is needed.
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Simtronics is pleased to announce the put on the market of the GD1, a new generation of open path detector.
The GD1 innovates by creating a new standard of toxic gas detection. At the heart of the detector is a tuneable laser diode that eliminates environmental effects from sun, rain, and fog. The laser scans single absorption lines where there is no interference from other gases. This new technology constitutes an important progress with exceptional performances and a extreme reduced maintenance.
Unlike traditional methods for detecting H2S (MOS or EC cell), the GD1 needs no recalibration and can replace multiple standard detectors to cover the same risk. Compared to traditional detectors the GD1 offers:
• Faster detection
• Reduced maintenance
• A life calibration
• Fast acting
The GD1 is also available with a dual output gas configuration, Methane and Hydrogen Sulphide.
Supplied with worldwide hazardous area approvals. Suitable for use in SIL 2 systems.
With its level of detection lower than 5ppm and it is faster response time (T90 < 5 sec) the GD1 is ideal to ensure the personnel safety on petrochemical installations onshore or offshore or for the sites of treatment of waster water.
Furthermore, the GD1 offers real cost savings, using a single transmitter / receiver pair, the detector covers distances of up to 100 metres. Installation and maintenance costs are reduced as fewer devices are needed to cover the same risk as several point detectors.
As with all Simtronics’ products, the GD1 is designed for early detection of hazardous events. It’s built to work safely in extreme areas and withstand the hardest environments onshore and offshore.
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GfG's fixed gas detection systems are available as easy to operate single point units or as larger systems with several hundred transmitters. These multiple point systems consist of controllers and transmitters that communicate with each other. The transmitter changes the measured gas concentration to an electrical signal which is transfered to the controller. The controller shows the gas concentration in a display and immediately activates alarming devices in case of a gas leak. Advanced features such as data logging or online data transmission allow the user to easily monitor ambient changes in the environment. The Stand Alone unit is a combination of both transmitter and controller.
The transmitter's sensor is the "sense of smell" of a fixed gas detection system. The sensor is located in a metal sensor enclosure which is attached to the transmitter and converts the gas concentration into an electric signal. Electronics inside the transmitter changes this electrical signal for interference free transfer to the controller. The transmitter and the controller can be installed several 100 meters apart from each other.
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The DS2 Docking Station provides the ultimate flexibility for managing your gas monitors wherever you use them. The DS2 gives you all of the benefits of consistent automated calibration, record keeping, battery recharging and instrument diagnostics for your monitors to limit your liabilities and safety hazards. Two way wireless and/or ethernet connectivity enables you to link up to 100 stand-alone Instrument Docking Stations (IDSs) from remote locations anywhere in your facility and relay the data back to one central database for total instrument management. A graphical user interface tool (DSSAC) allows an administrator to view operations on each Docking Station from a network computer, making it easy to track instruments, print reports, set events and change parameters for any location.
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Gas sensors are usually installed in hard to reach places: inside pits, over vats, high under roof and skylights. To eliminate the labor and risk to personnel perfoming routine calibration on these sensors, Rel-Tek developed its unique Magikal and Magikal-II automatic gas sensor calibration (AGSC) utilities. These powerful technologies have been proven over the years at installations from Massachusetts to California , from Michigan to Texas. Users appreciate freedom from the calibration nuisance, while saving a lot of money to boot.
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From fermentation through to distribution, Carbon Dioxide is one of the most common hazards to health in breweries, cellars and drinks outlets.
It is also the fourth most abundant gas in atmosphere; Long term exposure to only 0.5% volume represents a toxic health hazard.
Concentration greater than 15% volume can lead to death.
CellarSafe has been specifically designed
to warn personnel of these hazards and features both long life sensors and remote warning panels (whcih can for example be installed behind a bar as well as at the entrance to the cellar).
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Novel infrared measuring system for CO2
With an infrared sensor (IR sensor) specifically for carbon dioxide.
The infrared measuring system detects the carbon dioxide content of the ambient air fast and precisely. It contains a novel infrared measuring system functioning basically like a conventional two-beam photometer.
However, since material and construction of the sample cell are novel, and the measured signals are evaluated and processed according to a new digital algorithm, the infrared measuring system is light-weight, compact, in normal applications maintenance-free and long-term stable but nevertheless affordable.
The infrared measuring system detects the absolute carbon dioxide content of the ambient air (partial pressure), monitors itself constantly and signals malfunctions of its hard and software. The whole measuring range is linear.
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The GMT220 transmitter series is designed for a wide range of industrial carbon dioxide applications including greenhouses, fruit storages, safety alerts and demand-controlled ventilation in mushroom farms, livestock husbandry and parking garages.
The GMT220 transmitters measure carbon dioxide in harsh and humid environments. The housing is dust and waterproof to IP65/NEMA4. The materials have been chosen for extended corrosion resistance.
The GMT220 transmitters are easy to use and install. The transmitters have a modular structure which includes a separate mounting plate for easy installation.
Interchangeable probes facilitate field maintenance. The probes can simply be replaced with newly calibrated ones, or with separate probes that are only used as a reference for calibration checking. This minimizes downtime and eliminates the need for expensive calibration equipment.
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Besides pH and dissolved oxygen measurements, reliable monitoring and control of the CO2 partial pressure is important for successful fermentation. The oxidation of carbohydrates to CO2 water results from aerobic respiration. METTLER TOLEDO's new CO2 measuring system is specially designed for in-situ measurement into a bioreactor and therefore "registrates" exactly the same partial pressure as the cell.
METTLER TOLEDO offers a wide range of different measurement systems for very specific requirements in different industries consisting of sensors, housings, transmitters, services and fulfills all high quality requirements.
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The Model S4000CH Intelligent Sensor is a microprocessor- based transmitter designed for use with General Monitors' catalytic bead sensors. The unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It is designed to monitor combustible gases and vapors within the lower explosive limit (LEL) and provide status indication and alarm outputs. Complies with ANSI/ISA 12.13.01-2000 performance requirements for combustible gas detectors.
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ToxiBoss is a wall mounted gas sensor with interchangeable sensing heads to cover a wide variety of toxic gas situations. It is approved intrinsically safe for hydrogen (Group B) environments. Its Class I, Div 1 and 2, Group BCD approval means that it may be used in any hazardous gas environment, except acetylene. And, being intrinsically safe, it can be serviced in place without having to disconnect power or to undertake a costly declassification of the area. Also, the ToxiBoss can be installed in Div 2 applications without the added cost of sealed conduit.
Pick any one of the following sensing heads to suit your particular needs.
Gas Range Units Sensor model Head Designation
CO 0-500 ppm TB-CO/500 TBH-CO/500
NO2 0-10 ppm TB-NO2/500 TBH-NO2/500
H2S 0-50 ppm TB-H2S/500 TBH-H2S/500
H2 0-25 ppm TB-H2/500 TBH-H2/500
Cl2 0-10 ppm TB-CL2/500 TBH-CL2/500
SO2 0-10 ppm TB-SO2/500 TBH-SO2/500
O2 0-100 % TB-O2/100 TBH-O2/100
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Gas detectors E2606 are intended for air quality monitoring - control of combustible gas and oxygen concentration and prevention of gas leaks in confined spaces.
Depending on version the gas detector E2606 uses either advanced metal-oxide semiconductor or an electrochemical gas sensor. Concentration of combustible (methane, butane,hydrogen, etc) gases can be measured.
- Temperature range -20..+50 °C, <90 %RH
- Output relay 230V, 3A
- Supply 230 VAC or 24 VDC
- Diffusion, flow-through and remote sensor versions
- Visual and audible alarms, adjustable output relay
- Linearized analog output 4-20 mA
- RS485 Modbus RTU interface option for direct Fieldbus networking
- Wall-mount
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The gas measuring systems for explosive gases and vapors made by J. Dittrich Elektronic determine the concentration of explosive gases and vapors in air in an ambient temperature from -10 to +50° C.
A pellistor or semiconductor sensor detects methane (CH4), hydrogen (H2), propane (C3H8), alcohol and benzine; additional hydrocarbons on request.
The calibration is carried out with the aid of the respective test gas by means of a potentiometer; however, a certain amount of cross-sensitivity of the sensor with regard to the other substances always remains.
Low-cost infrared measuring system for methane
Since the cross-sensitivity of the sensors gives rise to problems when monitoring methane, J. Dittrich Elektronic developed a new infrared measuring system which detects specifically methane quicker, more accurately and at less cost than conventional infrared systems.
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myDatasens Mobile
Independent operation even at most unfavourable conditions enables an extremely cost effective and maintenance-free measurement network without compromises. The rugged and acid- and alkali-resistant instruments allows you to collect data for your application in a cost optimised way.
Application:
Portable measurement instrument for capture and transmission of gas concentration in air, to be used in:
Sewer systems
Industries
Public water and sewage systems
Product Characteristics:
Monitoring and alerting via Internet
ATEX-certified for zone 1
Automatic reconfiguration upon exchange of instruments
Measurement sites may be managed from anywhere around the world via the internet
Data storage on the instrument of up to 440.000 measurements
Adjustable measurement and transmission intervals
Real time clock synchronised with server
Extraordinary battery lifetime of up to 5 years - MicroPower® technology
Compact dimensions
Rugged IP66, IP67 and IP68 casing with high resistance against chemicals and with a protective rubber outer sleeve
Ultra low costs for start-up and operation
Download the sensor list on the website.
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Crowcon manufacture detectors for flammable, toxic and oxygen gases to suit all applications. Our comprehensive range offers
* Compact and rugged designs
* High reliability
* Flexibility to adapt to specific use requirements
Our fixed gas detector product range:
Xgard Detectors for flammable, toxic and oxygen gases
Xsafe Safe area flammable gas detector
Flamgard Plus Flammable gas detector with display
TXgard Plus Toxic and oxygen gas detector with display
TXgard-IS+ Toxic and oxygen gas detector with display
Nimbus Infrared flammable gas detector
IREX (NEW!!) mV output, microprocessor controlled IR pellistor replacement
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The Model S4000CH Intelligent Sensor is a microprocessor-based transmitter designed for use with General Monitors' catalytic bead sensors. The unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It is designed to monitor combustible gases and vapors within the lower explosive limit (LEL) and provide status indication and alarm outputs. Complies with ANSI/ISA 12.13.01-2000 performance requirements for combustible gas detectors. Options include 8 Amp relays, Dual Redundant Modbus and HART communication.
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Utilising the latest technology MSA offers catalytic combustion, Point IR and Open Path IR detectors for continuous monitoring of combustible gases in hazardous areas.
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The effectiveness of SIMTRONICS remote detectors (accuracy, fast response time and high reliability) guarantees the ultimate protection against the risks associated with gases in industrial environments.
The housings are given a special surface treatment to improve their resistance to corrosion (stainless steel or aluminium housings).
The measurement process is based on OXYCOL™ low temperature catalytic oxidation, enabling detection of all combustible gases and gives the detector an extremely long lifetime.
All the explosimeters are equipped with :
• An exclusive system of alarm verification in case of scale overrun,
• A linear response,
• A high stability,
• A very short response time.
The interchangeable and removable cartridges (as well as the support independent from the electronic box) make the remote detector easy to use and maintain.
All commands, configurations and readouts are remotely accessible using the infrared remote controller.
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CalCheck is an easy to use reliable tool for the self calibration of gas and leak detection instruments, giving you peace of mind and confidence in the accuracy of the measurements you rely on.
For your convenience the same base unit can be used for calibration with many different gases and leak rates. Ion Science can supply almost any non corrosive gas at varying concentrations and the instruments leak is easily removed allowing the use of a specific leak rate when required ensuring calibration to your exact needs.
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The S4100T Intelligent Sensor is a highly reliable, self-contained, microprocessor-controlled hydrogen sulphide transmitter with integral 3 digit readout. It is designed to measure and display concentrations of H2S in the 0-20 ppm, 0-50 ppm or 0-100 ppm range, but will continue to display concentrations up to 120% FSD. The sensing element may be incorporated in the transmitter housing or remotely mounted at distances of 600 meters. The sensor employs thin film metal oxide semiconductor (TFMOS) technology as the measuring principle.
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SIMTRONICS “TT63ES” detector is a semi-conductor sensor type with a very low cross sensitivity to other gas.
The basic principle is the resistance variation of a tin oxide semi-conductor. The inflammable gas reacts with the oxygen absorbed at the surface of the semi-conductor, and causes the electric resistance to decrease. The nature of the semi-conductor, its doping and its service temperature contribute to better detectivity of certain gases.
When other semiconductor on the market need to smell gas every week to avoid the sensor to fall asleep, the SIMTRONICSsemiconductor sensor only needs a six-month or one year calibration test.
Modern electronics provides high performance for humidity and temperature rate compensation and long term stability. The circuits ensuring the supply to the sensor, the amplifier and the interface are grouped in the flameproof enclosure onto which the detection probe is secured.
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With the GD10P, the company has succeeded in establishing an international industry standard for gas detection.
The GD10P has been designed to be interchangeable with catalytic detectors using the existing cabling and a separate bridge interface.
Advantages of GD 10P
• No recalibration during its service life,
• 15 years warranty for IR source,
• 5 years full warranty,
• SimSource™ has an expected in-service life of 65 years,
• Very short response time , T90 < 5 secs,
• No false gas alarms.
The easy installation and operation of the GD10P contribute to its all-round solid economy.
The GD10P does not have any internal functions that require regular monitoring or maintenance.
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The Model IR400 Infrared Point Detector is a hydrocarbon gas detector that continuously monitors combustible gases and vapors within the lower explosive limit (LEL) and provides alarm indication.
All electronics are contained within an explosion-proof housing so that the IR400's detector information can be processed locally. The IR400 operates with a 4-20mA signal, which is proportional to 0 to 100% LEL gas concentration at the detector. Configurations with analog output, Modbus and HART are available. Modbus and HART data can be used for predictive maintenance.
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