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Cosa Xentaur Analysers

COSA Xentaur combines the strength of over 30 years of COSA Instruments sales, service and application support experience with Xentaur Corporations innovative measurement solutions. With cutting edge technology from aggressive internal development and a wide range of partners, COSA Xentaur delivers robust, cost effective instrumentation systems exceeding customer measurement requirements.


COSA/UOP Model CHA Hydrogen Analyser

The COSA/Xentuar Continuous Hydrogen Analyser (CHA), used in many UOP Schedule A applications for many years, is built under license to a patented UOP design. It provides petroleum refineries, petrochemical producers and electric power generators a means to continuously and accurately monitor hydrogen concentration in gaseous streams.

SF6 Purity Pro

The portable SF6 Purity Pro Analyser is a fast, relaible and accurate instrument which measures the concentration of SF6 gas normally used in power stations or gas recycling companies. Its small size, light weight and quick response of 30 seconds makes this the analyser of choice around the world for the maintenance of breakers and transformers.

Zircomat Stack Gas Analysers

Zircomat in-situ oxygen analysers measure oxygen continuously with a Zirconia Oxide based sensor located in the process. Four standard models are available which share a common replacement oxygen detector, which can be serviced without the need for probe removal. Also, the handheld emissions analyser offers quick and reliable measurements in teh filed for CO, NO, SO2, O2 and more. Perfect for natural gas, liquid gas, oil and bio-fuels.

COSA 9610 Fast Response Wobbe Index Meter

The COSA 9610 BTU Aanalyser Series provides an accurate, fast-response and stable measurement of teh Wobbe and Combustion Air Requirement Index of natural gas and other gaseous fuels. These analysers provide Wobbe Index Measurements with an accuracy of +0.4% of reading and a response time of <5 seconds of a step change. This makes the COSA 9610 analyser the tool of choice for demanding process control, gas blending and custody transfer applications with extreme climate conditions. These analysers have a large measurement range and can measure gases with low BTU values. With extremely short calibration cycles, the analyser is suitable for measuring multiple gas streams.


Model XPDM - High Speed Portable Dewpoint Meter

The portable battery operated, hand-held instrument is designed for applications where quick and accurate dewpoint measurements have to be made. Spot-checks of moisture can be made faster and easier than ever over the range of -148 Deg F to +68 Deg Fdewpoint. Linear high capacitance response with better sensitivity, better repeatability and faster response times than conventional aluminum oxide sensors.

Model XDT Dewpoint Transmitter with Display

The digital on-line transmitters are designed as compact, simple, reliable instruments to monitor air dryer performance ad other gases. the user can select dewpoint in Deg C and Deg F, ppmv, g H O/m3, lbs H scf.

Model LPDT - 2 Wire Transmitter with Display

The world's smallest loop powered (2 wire) dewpoint transmitter with digital LCD display. Three programmable buttons control set up functions, dewpoint and temperature measurement, analog and digital output options, engineering unit selector and calibration.

Model HDT - 2 Wire Transmitter, Instrinically safe for ATEX & NEC Installations

a Hart compliant dewpoint transmitter providing loop powered analog as well as digital outputs. can be remotely operated with temperature, pressure and multiple units, with alarms, relays or external devices. uses a multipoint calibration table temperature compensated dewpoint reading. connects through inexpensive two-conductor cables.

Extractive Sample Systems

The Extractive Sample System (EES) has a modular design, and can be configured to accomodate almost any measurement requirement. Packaged systems available specific for compressed air and natural gas. Ready to use. Save on installation and maintenance costs.

Mission-Critical Model ESS-SCVP Self Calibrating System

Taking advantage of the uniquely strong and quasi-linear response characteristics of its HTF aluminum oxide moisture sensors, Cosa has developed a cost effective sample system for demanding mission critical moisture monitoring applications. The system is based on a fully automatic self-calibration procedure, in which the sensor is periodically exposed to a certified calibration gas and re-calibrated. The system has proven to produce consistently accurate monitoring results in natural gas applications, where conventional sample system based on sample conditioning alone have failed.

COSA Optical Gas Flow Meter

Optical Gas Flow Meter

The Focus Probe optical flow meter (OFM) has been specifically developed for gas applications with highly variable flow rates and a wide range of pipe diameters. The OFM accuracy is not affected by gas composition or contamination of teh sensing elements. The focus OFM uses laser beams to measure the gas flow by sensing the velocity of microscopic particulates naturally occuring in the gas.

Model HGC-303 Gas Chromatograph

The "Out of the box" Transmitter solution for natural gas analysis. The HGC303-1F is a smart, compact and rugged fieldbus/modbus transmitter suitable for outdoor installations. Built-in calculations for C6+, according to GPA or ISO and indusrty standard communications protocols, easily integrate this transmitter into existing applications.


SERVOFLEX Micro i.s (5100 i.s)

The SERVOFLEX Micro i.s is a single component Intrinsically Safe Portable Gas Analyser that is certified to zone 0 and zone 1.

Technology Used

Oxygen – a choice of two Servomex paramagnetic transducers (standard or high accuracy) both offering fast selective measurement of oxygen without the disadvantages of electrochemical or zirconia cells.
Carbon Dioxide and Carbon Monoxide – Single beam, single wavelength infrared technology using Servomex patented long life source gives a highly stable, selective and low maintenance measurement.


Typical Applications



Puzzled by Which ICP-OES is right for you? No Need to be! Leeman labs offers the widest configuration of ICP spectrometers to fit any applications! In 30 years of supplying ICP Spectrometers, we’ve learned no one ICP-OES is ideal for all applications. That’s why Teledyne Leeman Labs offers you the broadest range of ICP Spectrometers available. Let us help you select the best instrument configuration for your sample types. All our ICP Spectrometers are available in Radial, Axial or Dual View Configurations, so you can choose the view that’s best for your sample matrix. Mercury When the concentration of mercury needs to be measured, laboratories all over the world turn to Teledyne Leeman Labs for high performance solutions to their mercury analysis challenges. To help you select the right mercury analyzer for your application download the Mercury-at-a-Glance Comparison Guide and find out which mercury analyzer is the perfect fit for your laboratory needs.


When the concentration of mercury needs to be measured, laboratories all over the world turn to Teledyne Leeman Labs for high performance solutions to their mercury analysis challenges. To help you select the right mercury analyzer for your application download the Mercury-at-a-Glance Comparison Guide and find out which mercury analyzer is the perfect fit for your laboratory needs.

When the concentration of mercury needs to be measured, laboratories all over the world turn to Teledyne Leeman Labs for high performance solutions to their mercury analysis challenges. To help you select the right mercury analyzer for your application download the Mercury-at-a-Glance Comparison Guide and find out which mercury analyzer is the perfect fit for your laboratory needs.


Laboratory Syringe Pumps

Pump almost anything! Teledyne Isco syringe pumps give you precise, reliable metering for an incredible range of applications. You’ll easily handle viscosities from liquefied gases to tar, flow rates from sub-microliter to 400 ml per minute, and pressures to 30,000 psi (2068 bar).

Use these rugged, do-anything pumps to solve your toughest fluid delivery problems, from micro-flow to scale-up and pilot plant, pumping corrosive liquids, and safe operation in explosive atmospheres with the HL Series.

• Core Flooding
• Reactant Feeding
• Supercritical Fluids
• HPLC and Ultra-HPLC
• Alternative Energy – Biomass

Isco’s programmable multi-pump controller interfaces easily with your system, and provides great versatility with single pump independent mode, dual pump continuous delivery or receive mode, and several three-pump control modes.


Laboratory Systems:

Teledyne Isco: The Teledyne Isco Chromatography product line includes instruments and accessories for purification of organic compounds in normal-phase and reversed phase separations, and for bio-purification of proteins, peptides, and other biopolymers.


CombiFlash® Purification Systems
Teledyne Isco CombiFlash® systems meet the high-productivity needs of organic and medicinal chemists.

RediSep® Rf Media
Performance and peace of mind.

Fraction Collectors
Providing scientists with reliable LC collection for over 40 years.

Reliable detectors for organic and natural product liquid chromatography

Peristaltic Pumps
Built for years of reliable service

Density gradient centrifugation is used for the gentle isolation of cellular ribosomes, RNA, DNA, and organelles. These unique density gradient systems automate the preparation of gradients, and the fractionation and UV scanning of zones after the spin.

Density Gradient Fractionation Systems
Choose the system that meets your automation needs.


Laboratory Analysers:

Picarro is a leading provider of solutions to measure greenhouse gas (GHG) concentrations, trace gases and stable isotopes across many scientific applications, along with the energy and utilities markets.


Cavity Ring-Down Spectroscopy

Our patented Cavity Ring-Down Spectroscopy (CRDS) is at the heart of all Picarro instruments and solutions, enabling the detection of target molecules at part per billion, or better, resolution.


Lab Sample Take Off Systems

Dopak – The Dopak SRS offers the ability to recover a liquid sample from the sample bottle without the risk of spillage or contamination. Applications for this system can be found in plant laboratories. The unique design offers a one handle operation by multiple valves. In addition, the nitrogen purge not only assists in driving the liquid out of the sample bottle, but also cleans the whole system including needle assembly and sample bottle.


Gas, Liquid and Vapour Samples

Dovianus develops, produces and markets sampling systems for liquids, gases and liquefied gases under the name Dopak. We are respected for our sampling systems in the international chemical and petrochemical industries. Dopak closed vent samplers allow you to safely take samples of toxic, dangerous and volatile substances, without any danger for your operators or the environment.


Instrumentation Pressure Regulation

GO Regulator is a leading designer and manufacturer of standardized and specialty pressure regulators, diaphragm valves, and filters for the Analytical, Instrumentation, Petrochemical, Oil & Gas, and Specialty Gas industries. GO regulators and valves fulfill a wide range of applications, controlling pressure while accommodating low to moderate flow rates of many gases and liquids. A broad range of pressure regulator requirements can be fulfilled by the complete line of time proven GO fluid control products. GO regulators provide back pressure regulation for high-pressure, high sensitivity, sub-atmospheric applications, as well as vaporizing regulation for LNG and cylinder pressure regulation.


High Quality Instrumentation Valves and Fittings

HOKE is the logical choice for fluid control solutions for orifice sizes typically up to 2”. With the lowest cost of ownership, the best in class reliability and global distribution assuring availability of products, HOKE valves and fittings are unmatched. In the early 1960’s, HOKE introduced the GYROLOK® tube fitting. To this day, GYROLOK design features offer unique advantages and benefits that are unmatched in the industry. Through years of experience, HOKE understands that precise flow control is a complex thing, not a commodity. At HOKE, the approach is to focus on the whole process in order to satisfy all requirements of the end-user.


Heated Probes

JCT – · Robust, compact transport case with all necessary parts for mobile gas sampling: gas sampling probe, heated sample line, sampling tubes, filter elements, calibration gas connection, mounting chains, …


Sample Pumps


Air Dimensions Incorporated has more than 60 years of combined experience in the development, engineering and production of precision gas sampling diaphragm pumps and compressors. Each of our durable Dia-Vac® pumps boasts completely oil-free, contamination-free and leak-free sampling capability. Unsurpassed quality, personal customer service and expedited delivery all combine to make ADI the leading authority in the diaphragm pump industry.


When a pump goes down, we know that replacement parts or a completely new pump must be dispatched as quickly as possible, and ADI stands ready to get the job done. We have a track record for making on-time deliveries no other pump manufacturer can match – it’s something we are proud of. It’s something you can rely on.


Gas Analyser filter particulates and moisture

Headline Filters

Headline Filters produce a wide range of products for the filtration industry, from filter elements, for coalescing or particulate duty, in a wide variety of industry-standard sizes to filter housings in a variety of materials for pressures up to 700 bar. To complement these products, we also offer a range of Membrane Separator housings for those applications requiring zero liquid entrainment.

Also available are disposable inline filters which offer the user a cost-effective and easy-to-replace robust filter suitable for portable analyser systems.

Headline Filters also produce adsorption products in a variety of forms, ideal for last-chance air purification and analyser protection. Disposable types eliminate the need to handle loose adsorbents although re-fillable versions are also available. Many different adsorbents are available to cater for virtually all requirements.


Compressed Air Filtration

These filters are suitable for a variety of gas and liquid applications. The disposable bonded microfiber filter elements are extremely efficient as well as being low cost. They offer high flow rates with very low pressure drops. All products conform to industry standard sizes and grades and are completely interchangeable with other manufacturers housings and filter elements.

The comprehensive product range enables greater flexibility for customers because of the greater choice. The development of new products is customer driven, with our engineers working closely with OEM customers and end-users. Special housings and filter elements developed to meet specific customer requirements and specifications are available.

A global distributor network, that includes all of Europe and the USA, South East Asia, Australia and South Africa, offers unbeatable delivery times and service. Along with over 29 years of experience & expertise all standard products are kept in stock.


Piccarro Laboratory Instruments

Picarro is a leading provider of solutions to measure greenhouse gas (GHG) concentrations, trace gases and stable isotopes across many scientific applications, along with the energy and utilities markets.