Watch Wireless Bidvertech

Gas Analyzer

2009-03-05T08:51:00.000-08:00

The Thermal and Evolved Gas Analyzer (TEGA) is a scientific instrument aboard the Phoenix spacecraft. TEGA's design is based on experience gained from the failed Mars Polar Lander. Soil samples taken from the Martian surface by the robot arm are eventually delivered to the TEGA, where they are heated in an oven to about 1,000ºC. This heat causes the volatile compounds to be given off as gases which are sent to a mass spectrometer for analysis. This spectrometer is adjusted to measure particularly the isotope ratios for hydrogen, oxygen, carbon, nitrogen, and heavier gases. Detection values as low as 10 parts per billion. The Phoenix TEGA has 8 ovens, which are enough for 8 samples.

Trace Ammonia Analyzer

2009-03-05T08:50:00.002-08:00

* Unparalleled Precision
* Ultra-high Sensitivity
* Extremely Fast Response

LGR’s Trace Ammonia Analyzer (TAA) provides fast measurements of ammonia in ambient air with unparalleled precision and sensitivity. No longer do you have to wait for minutes before getting a useful reading – LGR’s TAA provides measurements every second with sub-ppbv precision. In addition, the TAA can report measurements quickly over a wide range of ammonia concentrations. For your convenience, we offer two versions of the TAA. If you require the fastest response rate possible (data rate up to 20 Hz), you will want to use our Trace Ammonia Analyzer - Fast. For applications requiring measurements of NH3 with highest accuracy, you’ll want the Trace Ammonia Analyzer – High Accuracy. In general, LGR Analyzers are not adversely affected by other atmospheric gases (no cross interferences) or changes in atmospheric pressure. Due to our low-power requirements, LGR analyzers may be operated on battery power with an appropriate AC/DC voltage inverter.

The Trace Ammonia Analyzer - Fast is designed to suit many applications including eddy correlation flux measurements using established micrometeorological techniques, which require response rates above 10 Hz.

The Trace Ammonia Analyzer – High Accuracy is designed for applications that require the highest sensitivity, precision and accuracy like semiconductor process monitoring and ambient air monitoring.

For customers interested in a less expensive ammonia analyzer with very high precision and fast response time, LGR offers the Economical Ammonia Analyzer.

Economical Ammonia Analyzer

2009-03-05T08:50:00.001-08:00

* High Precision
* High Sensitivity
* Simple to Use
* Extremely Wide Dynamic Range
* Economical of Own and Operate

LGR’s Economical Ammonia Analyzer (EAA) provides sensitive measurements of ammonia in ambient air or in industrial process flows with extremely high precision and sensitivity. No longer do you have to spend a lot of money or wait a long time to measure ammonia with high sensitivity – LGR’s EAA provides measurements every second with ppbv-level precision. In addition, the EAA can report measurements quickly over a very wide range of ammonia concentrations. The instrument, based on LGR’s cavity enhanced laser absorption spectroscopy, is simple to use, inexpensive to operate, and includes all components (internal vacuum pump, keyboard,mouse, video monitor) to start recording data within minutes. Other atmospheric gases, including water vapor, carbon dioxide and methane, do not interfere with the ammonia measurements. The instrument includes an internal computer that can store data practically indefinitely on its internal hard drive (for unattended long-term operation), and that can send real-time data to a data logger through its analog and digital (RS232 serial) outputs. In addition, an Ethernet connection allows remote access to data files stored on the instrument’s hard drive. LGR’s EAA provides the high quality data necessary for the most demanding applications including semiconductor process monitoring and atmospheric trace gas monitoring. For customers interested in the highest precision with extremely fast response time, LGR offers the Trace Ammonia Analyzer.

Hydrogen Fluoride Analyzer

2009-03-05T08:49:00.001-08:00

Hydrogen Fluoride Analyzer

* High Precision
* High Sensitivity
* Simple to Use
* Extremely Wide Dynamic Range
* Economical of Own and Operate

LGR’s Hydrogen Fluoride Analyzer (HFA) provides sensitive measurements of HF in ambient air or in industrial process flows with extremely high precision and sensitivity. No longer do you have to spend a lot of money or wait a long time to measure HF with extremely high sensitivity – LGR’s HF Analyzer provides measurements every second with ppbv-level precision. In addition, the HFA can report measurements quickly over a very wide range of HF concentrations. The instrument, based on LGR’s cavity enhanced laser absorption spectroscopy, is extremely simple to use, inexpensive to operate, and includes all components (internal vacuum pump, keyboard, mouse, video monitor) to start recording data within minutes. Other atmospheric gases, including water vapor, carbon dioxide, oxygen, and methane, do not interfere with the HF measurements. The instrument includes an internal computer that can store data practically indefinitely on its internal hard drive (for unattended long-term operation), and that can send real-time data to a data logger through its analog and digital (RS232 serial) outputs. In addition, an Ethernet connection allows remote access to data files stored on the instrument’s hard drive. LGR’s Hydrogen Fluoride Analyzer provides the high quality data necessary for the most demanding trace gas monitoring applications.

Deep-Sea Gas Analyzers

2009-03-05T08:48:00.000-08:00

The Deep-Sea Gas Analyzer provides an accurate measurement of a variety of gases at depths of up to 2500 meters. The instrument employs a membrane gas extractor and is capable of measuring virtually any gas in LGR’s catalog, including CH4, CO2, and various stable isotopomers. Self-sustained, remote operation is possible using the internal battery, gas handling system, and data storage. Possible applications include carbon sequestration in ocean waters, methane-hydrate studies, and hydrothermal-vent effluent analysis.
As described in the Theory Section (on www.lgrinc.com), the measurement strategy is based on high-resolution direct-absorption spectroscopy. As a result, the instrument is self-calibrating and provides an absolute, accurate gas concentration without reference standards. An internal computer can store data practically indefinitely for applications requiring unattended long-term standalone operation. These analyzers can also send real-time data to a data logger through analog, digital (RS232), and Ethernet outputs.

Singlet-Oxygen Analyzer

2009-03-05T08:47:00.000-08:00

* High absolute accuracy
* Unsurpassed sensitivity
* Easy to use

The Quantitative Singlet-Oxygen Analyzer is designed to be readily interfaced into a variety of singlet-oxygen applications including optimization of singlet-oxygen generators, chemical oxygen-iodine laser studies, fundamental physical sciences, and plasma decontamination. Because the Analyzer is not affected by most common background gases, it provides a direct measure of singlet-oxygen density, [O2(a1∆g)], in a wide variety of these background gases with high precision (better than 1014 molecules/cm3) and a rapid response rate (data rate up to 10 Hz).
As described in the Theory Section (on www.LGRinc.com), the measurement strategy is based on high-resolution direct-absorption spectroscopy. As a result, the instrument is self-calibrating and provides absolute, accurate measurements of singlet-oxygen density. The instrument itself can be implemented for extractive sampling, or be customized by LGR to provide in-situ measurements of O2(a1∆g) under a variety of conditions (e.g. COIL test stands, plasma effluents).
For more information about Custom Instruments and Contract R&D and for papers about Singlet-O2 Analysis, go to www.lgrinc.com.

CO and N2O Analyzers

2009-03-05T08:46:00.000-08:00

* Fast measurement rate (up to 20 Hz)
* Unsurpassed accuracy and precision
* Reliable (tested on-board several NASA aircraft)
* Measurements of N2O and CO in single instrument possible

Designed for many demanding applications including eddy-correlation flux measurements, chamber flux measurements, combustion diagnostics, and trace-gas monitoring, these Analyzers have been applied successfully on-board NASA DC-8 aircraft for trace-gas measurements in the upper troposphere / lower stratosphere. In fact, the High-Sensitivity CO Analyzer and the High-Sensitivity N2O Analyzer are ideal for measuring carbon monoxide and nitrous oxide, respectively, in ambient air with data rates of up to 10 Hz, less than 1% uncertainty (without calibration; much higher accuracy may be obtained with calibration), and better than 0.1% repeatability. Neither analyzer is affected by other atmospheric gases or changes in ambient atmospheric pressure.

CO2 Isotope Analyzer

2009-03-05T08:45:00.000-08:00

* Measures 13C/12C in carbon dioxide
* Extremely wide measurement range
* Low power requirement (120 W with internal pump)
* Easy to use

The CO2 Isotope Analyzer is an autonomous instrument capable of measuring the 13C/12C ratio in ambient carbon dioxide with better than 0.25‰ repeatability (for an integration time of 60 seconds) and without the need for costly consumables. This is possible because the instrument itself is built around conventional telecommunications-grade diode lasers that operate in the near-infrared spectral region. In addition, since the measurement strategy is based on high-resolution direct-absorption spectroscopy (see www.LGRinc.com, Theory Section), the instrument is not affected by other atmospheric gases or by changes in ambient atmospheric pressure. Thus the need for regular calibration with expensive reference gases is also significantly reduced compared with traditional analytical instruments.
The instrument includes an internal computer that can store data practically indefinitely on its hard drive (for applications requiring unattended long-term standalone operation), and send real-time data to a data logger through its analog, digital (RS232), and Ethernet outputs.