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The Gascard NG infrared gas sensor is designed for ease of integration with a wide range of gas detection systems requiring accurate and reliable measurement of Carbon Dioxide, Carbon Monoxide or Methane gas concentrations in a background of air or air-like atmospheres.
The Gascard NG replaces the Gascard II model and is in most respects backward compatible with it. The Gascard NG has a modernised and improved main PCB giving on-board pressure correction, full temperature correction, true RS232 communications, optional LAN/TCPIP connectivity and greater all round flexibility. The new main PCB has built in features for future expansion for multi gas and multi sensor operation.
Main Features:
New electronics platform with increased power and versatility of modern microprocessors.
Backward compatible with the older generation of Gascard detectors.
Onboard Barometric Pressure Correction in the range 800mbar to 1150mbar.
Extensive Temperature compensation.
Lower operating voltage (7V) and wider operating voltage range (7V to 30V).
True RS232 communications for control and data logging. Optional onboard LAN support.
Future expansion facilities to allow addition of on-board data logging and more gas detection channels for both NDIR & chemical sensors.
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The IRgaskiT® infra red gas sensor is designed for integration with a wide range of systems requiring accurate and reliable measurement of carbon dioxide and methane gas concentrations.
IRgaskiT ® provides a temperature compensated bench with single button calibration and optional simultaneous voltage and current outputs. Digital communications are easy to utilize and IR Module PC data logging software is also available.
The sensor heads are based on a patented technique that provides true, dual wavelength infra red sensing with no moving parts. The result is a low drift, high accuracy sensor with a fast response time and low power consumption.
Each module has been designed to allow the user maximum flexibility when choosing a solution that meets their application requirements
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Features
- Extra Strong Support Post
- Large Active Bead Surface Area
- Precious Metals Used for All Components Mounted in Teflon Body
- Active and Reference Beads Matched by Size and Resistance
- Teflon Barrier Protects Active and Reference Beads
- Ultra Poison Resistant Active Bead
- Glass Coated Reference Bead
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Alphasense Pellistors are available in three housing sizes: A, D and the new F size for fixed installation applications. The innovative design of the Alphasense Pellistor range provides high quality, low power (only 190mW) and excellent poison resistance.
As with all other Alphasense sensors, computer controlled stabilisation racks to continuously monitor every sensor during initial conditioning ensures that only sensors operating within specification are allowed to be tested with our ATAV (Alphasense Test and Validation) system. Performance of very sensor is traceable via bar coding.
CH-A3 is a drop-in 20mm diameter replacement to existing products with improved stability and poison resistance;
CH-D3 is a unique miniature size - 11.5mm height, 15mm diameter, complementing the existing and fast-growing Alphasense D sensor family - with the same good stability and high poison resistance of the CH-A3.
All pellistors are housed in certified flameproof chambers.
Alphasense Pellistors include a matched pair of sensing and compensator pellistor beads, sealed in a 316 stainless steel housing with stainless steel flame arrester sinter.
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Catalytic DrägerSensors
Catalytic DrägerSensors for the detection of flammable gases and vapors utilise Pellistors which are based on the catalytic effect. Different sensor versions will suit even the most demanding industrial applications.
The DrägerSensor Ex PR M (PR = poison resistant) contains pellistors, which in the presence of catalytic poisons have a longer lifetime than conventional sensors.
The DrägerSensor Ex HT M contains also PR-pellistors, but additionally is approved to be used at temperatures up to 150 °C.
The DrägerSensor Ex LC M contains PR-pellistors, which by their special encapsulation and electronic amplification are suitable to monitor very low gas concentrations. The measuring range is 0...10% LEL.
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TGS6810, which can detect both methane and LP gas, has been developed for residential gas detection. Combining Figaro’s 35+ years of experience in catalyst material technology with its advanced micro fabrication technology, Figaro can produce the most advanced compact pellistor sensors whose durability, stability, quick response, and linear output make them ideal for detecting many combustible gases. As the sensor possesses an adsorbent inside its sensor cap, its cross sensitivity to alcohol is much smaller than traditional catalytic type sensors. In addition, TGS6810 is more durable against silicone compounds than the traditional catalytic type sensors.
* linear output
* compact size
* small sensitivity to alcohol
* sensitive to both methane and LP gas
* meets RoHS requirements
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Electrochemical Sensors
Design does matter: a bigger sensor means bigger electrodes and more electrolyte, hence
faster response
higher accuracy
more stability
longer life
The smart DraegerSensor with embedded micro-chip and temperature element supports sensor recognition, numerous selftest functions, remote calibration and signal compensation over the entire temperature range of typically -40 to +65 ºC.
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With a PID the sample gas is exposed to deep ultraviolet light from a lamp. The emitted light ionises targeted gases in the sample so they can be detected by the gas detector and reported as a concentration (ppb or ppm).
The Alphasense PID can be installed in portable and stationary gas monitors that accept either Alphasense Ltd CH-A3 or other manufactures compatible pellistor cells. Thus providing complete PID capability in a package that has the same dimensional and electrical profile as Pellistors (providing the electronics input circuit is designed to take the sensor’s output range). This opens up an incredible variety of environmental and safety applications in industrial, commercial and residential markets.
The Alphasense PID sensor is offered in two models. They are virtually insensitive to humidity changes, providing unparalleled performance in a variety of applications.
PID-A1 has a linear dynamic range of 100-ppb to 6,000-ppm (Isobutylene).
PID-AH has a linear dynamic range of 5-ppb to 50-ppm (Isobutylene).
The Sensors include a Detector with 10.6eV Lamp, Lamp Driver, Amplifier Circuitry, Removable Electrode Stack & Particulate Filter.
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LPM2610 - Pre-calibrated LP module
NGM2611- Pre-calibrated methane module
Figaro offers pre-calibrated gas sensor modules for residential applications using either TGS2610 (for LP gas) or TGS2611 (for methane gas) as described above. This module is calibrated in Figaro’s humidity and temperature controlled facility and includes a precisely adjusted load resistor and a temperature compensation circuit. By simply inserting this module into the mother board of a gas detector, a reliable alarm setting can be achieved while eliminating the costly gas calibration process.
* meets RoHS requirements
* maintenance free
* alarm threshold of 5~20% LEL
* meets UL1484, EN50194
* compact size (27mm x 12.5mm, 2.5g)
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TGS2610 - LP gas sensor
TGS2610 has been widely used for more than 10 years for LP gas detection in residential and industrial gas detectors. Unlike catalytic type sensors, TGS2610 is also suitable for portable leak detectors due to its high sensitivity to very low concentrations of LP gas and its low power requirements. In addition, the sensor also has wide application in recreational vehicle and marine applications where durability against severe environmental conditions is required.
TGS2611 - Methane gas sensor
TGS2611 has established itself in the methane detection marketplace for more than 10 years. With superior durability against poisons and interferent gases when compared to competing pellistor type sensors, this sensor has found wide application in gas detectors for residential and industrial usage, portable leak detectors, as well as in natural gas vehicles where severe environmental conditions are encountered.
* UL recognized component
* compact size (TO-5 can)
* long life
* pre-sorted for easy calibration
* meets RoHS requirements
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SENSOR FEATURES:
- High sensitivity to a wide range of flammable gases.
- Non-specific response, calibration factors available upon request.
- Typical response time <1 minute to 90% full scale.
- Environmental temperature range of - 20 to 50°C.
- Minimal response to environmental humidity over the range of 0 - 95%, non-condensing
- Rugged, reliable sensor based on Synkera's exclusive technology.
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The sensing element of Figaro gas sensors is a tin dioxide (SnO2) semiconductor which has low conductivity in clean air. In the presence of a detectable gas, the sensor's conductivity increases depending on the gas concentration in the air. A simple electrical circuit can convert the change in conductivity to an output signal which corresponds to the gas concentration.
The TGS 832 has high sensitivity to R-134a, the most promising alternative to R-12, commonly used in air conditioning systems and refrigerators. R-12 and R-22 are also detectable by TGS 832. With its good long term stability, TGS 832 is an excellent, low-cost sensor for CFC detection.
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Figaro Engineering Inc. specializes in the research, development, manufacturing and marketing company of gas sensors and gas detection equipment.
In 1968, Figaro Engineering Inc. became the first company in the world to develop and commercialize semiconductor gas sensors. Globally, major concerns in the fields of gas detection, air quality control, HVAC appliances, and the automotive industry have relied on Figaro Engineering Inc. for gas sensing products.
Based on its extensive and broad-based experience in developing and manufacturing gas sensors, Figaro continues to expand its expertise into new areas of gas detection.
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Electrochemical Sensors
Design does matter: a bigger sensor means bigger electrodes and more electrolyte, hence
faster response
higher accuracy
more stability
longer life
The smart DraegerSensor with embedded micro-chip and temperature element supports sensor recognition, numerous selftest functions, remote calibration and signal compensation over the entire temperature range of typically -40 to +65 ºC.
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FLUXUS® G709 is an ultrasonic flowmeter for permanent installation in 19" rack systems.
In addition to the flow channels, FLUXUS® G709 can be equipped with up to 4 process inputs. With its wide range of electrical inputs and outputs, it can handle and process a great variety of process parameters.
The integrated flow calculator can perform a standard volume flow or mass flow correction according to ISO 12213-1. The connection of external process pressure and temperature measurements is needed for the calculation.
An extended status display helps the user to judge the measuring situation and current measuring precision directly during the measurement.
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Clamp-on ultrasonic flowmeters
The SITRANS F US clamp-on ultrasonic flow technology offers several advantages, number one being the utilization of external transducers. These are quickly and easily mounted on the outside of the pipe, making them the perfect choice for retrofit applications and applications where corrosive, toxic or high pressure liquids and gases rule out the option of cutting the pipe.
With the use of the WideBeam technology, clamp-on flowmeters from Siemens have proven their superiority in both the field and the lab. They offer several benefits such as measurement of practically any liquid and gas; performance unaffected by viscosity, flow rate, pipe size, solids and aeration content; high accuracy and repeatability through automatic temperature compensation and zero drift correction; and installation flexibility on pipe sizes up to DN9140 (360 inches). They are available in six families: two geared towards general industry solutions and four tailored to energy, liquid hydrocarbon, gas and portable installations.
Combine this with flexible configuration options that allow you to either customize your flowmeter or to order complete systems, you can rest assured that we have the right solution for you.
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GE Panametrics' GC868 flowmeter is a fixed-installation flowmeter comprised of the GC868 electronics, a pair of advanced clamp-on ultrasonic transducers, a clamping fixture, a preamplifier located near the transducers and coaxial cables to connect the transducers to the preamplifier and GC868 electronics. The DigitalFlow™ GC868 flowmeter can be used to measure the flow of any gas or steam.
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Volume Flow Measuring System D-FL 200
Measuring system for ultra-sonic measuring of velocity and volume flow, especially for wet and aggressive smoke emissions (waste incineration).
Measuring system for ultra-sonic measuring of velocity and volume flow, especially for wet and aggressive smoke emissions (waste incineration)
Features
In-situ measuring method
Measurement possible below dew point and for high dust concentrations
Continuous measurement of normal volume flow and gas velocity
Automatic zero point and reference point control
Direct connection for temperature and pressure correction
Parameter input via keyboard or PC
Continuous temperature measuring
Applications
Volume flow measuring at low speeds
Plants with damp and/or aggressive exhaust gas, e.g. in waste incineration plants.
Volume flow measurement at high dust content
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Minisonic G is an accurate and economical instrument for the instantaneous actual flowrate measurement of gas. The flowmeter accepts the PTZ corrector to obtain the normal flowrate. This ultrasonic instrument resolves all industrial needs.
In standard they offer :
• A display of flow and volume, of the direction and gas velocity,
• One 4-20mA output, 2 relays, 1 serial link, 1 software for PC.
It includes a very lastest electronic technology combined with highly digital signal porcessing technics and with more resources such as :
• echo analyser with automatic control (ESC mode : 'auto-focus' for the ultrasonic signals)
• zero offset adjustment for a reliable results
• high resolution time measurement < 0.1 ns
• an enhanced emission power
• a better noise rejection
• ergonomic keypad and menu calibration backlighted display
• possible to set a second 4-20 mA output
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Portable ultrasonic flowmeter FLUXUS F601 is ideal for troubleshooting, plant optimisation and for control of permanent meters.
Features
* Wide application range thanks to the ability of the transmitter to work with shear wave AND lamb wave transducers at all frequencies
* A single pair of shear wave transducers fits a wide pipe diameter range
* Rapid installation without process interruption
* Bi-directional measurement
* High measurement dynamics
The FLUXUS ® G ultrasonic flowmeters use the proven "clamp-on" technology. The flow transducers are simply clamped onto the outside of the pipe. The measurement can hence be put into operation without cutting into the pipe and without production stop. The installation costs are low, retrofitting is not a problem.
Since the transducers are not in contact with the gas, there is no possibility of chemical attack. There are no moving mechanical or pressure loaded parts and thus no wear an tear. FLUXUS G is ideal for measurements at high pressures or on lines with pressure peaks.
Two transducer types for a uniquely wide application range
All FLUXUS® G transmitters support both lamb wave and shear wave transducers at all transducer frequencies. In this way the measuring system can be optimized to even the most demanding applications.
The Lamb wave transducers are ideal for measurement at high flow velocities, in natural gas pipelines for example, or at low pressures, amongst others in compressed air circuits. The shear wave transducers cover a wide range of pipe diameters and wall thicknesses. They are the best choice for mobile measurement or for high pressure systems.
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