Topic “Hydrogen Sulfide ”
Hydrogen sulfide (or hydrogen sulphide) is the chemical compound with the formula H2S. This colorless, toxic and flammable gas is partially responsible for the foul odor of rotten eggs and flatulence. It often results from the bacterial break down of sulfites in nonorganic matter in the absence of oxygen, such as in swamps and sewers (anaerobic digestion). It also occurs in volcanic gases, natural gas and some well waters. The odor of H2S is commonly misattributed to elemental sulfur, which is in fact odorless. Hydrogen sulfide has numerous names, some of which are archaic
GEMINI Landfill Gas Monitoring and Control
The standard fixed position biogas monitoring system ensures the safe&reliable monitoring of biologically created gas. The unit monitors concentrations of the key gases, flow, pressure&temperature. With basic gas conditioning, multi-sample points, RS232 output and modem based system access.
Fixed Position Biogas monitoring system
Biogas is the name for any flammable, biologically created gas. It is a mixture comprising 70% methane (CH4) and 30% carbon dioxide (CO2) (natural gas is almost 100% methane).
Biogas 5000 portable biogas analyser
The Biogas 5000 is easy to use, calibrate and configure and enables consistent collection of data for improved analysis and accurate reporting, whilst helping to check the digester process is running efficiently.
Portable biogas analyser for accurate gas monitoring within biogas applications
Up-to-the-minute as a new-generation biogas analyser for anaerobic digesters (AD), the Biogas 5000 has mobile phone-style intuitive menus, tactile buttons and it is fast, small and light.
GA5000 Landfill & Contaminated Land Gas Analyser
The new generation of gas analysers
The GA5000 portable landfill gas analyser is easy to use and calibrate, benefiting from our market leading reliability and helping you to standardise monitoring routines, whilst supporting environmental legislation compliance.
GA5000 landfill & contaminated land gas analyser with available gas measurements of CH4, CO2, O2, H2S and CO
Geotech GA5000 portable landfill gas analyser with a colour-screen and a 3-year warranty.
MultiRAE Pro
Wireless Portable Multi-Threat Radiation Dector and Chemical Monitor for Radiation and Chemical Detection
Key Features
• All-in-one continuous monitoring capabilities for radiation, VOCs, oxygen, toxic and combustible gases, up to 6 threats at a time
MultiRAE
Wireless Portable Six-Gas Monitor with Advanced VOC Detection Capability
Key Features
•Wireless access to real-time instrument readings and alarm status from any location
•Unmistakable five-way local and remote wireless notification of alarm conditions
GA3000
Fixed continuous biogas and landfill gas analyser for CH4, CO2, O2 and H2S.
The GA3000 builds on field-proven, robust gas analysis technology to offer cost effective online monitoring with local data outputs.
Beacon 110 Single Channel Wall -Mount Controller
The Beacon 110 is a powerful, low cost fixed system controller for one point of gas detection. It is microprocessor controlled, versatile, simple to install and operate, and priced to be the industry's best value single gas detection controller. It is capable of accepting RKI sensors directly for LEL level combustibles, Oxygen, Hydrogen Sulfide, or Carbon Monoxide. The Beacon 110 can also accept any 4-20 mA transmitter (2 or 3 wire, 24 VDC). Sensors can be mounted directly at the Beacon 110 housing, or can be wired remote from the controller.
Gas detection should not be complicated. The Beacon 110 is gas detection simplified.
The Beacon 110 is a fixed mount, single channel continuous-monitoring gas monitoring controller. All user adjustable parameters may be accessed using push button switches.
EAGLE 2 Three Gas Monitor
RKI is proud to produce the most versatile portable gas detector on the market. The EAGLE is a powerful instrument that does more than offer standard confined space protection. The EAGLE also provides detection combinations never before offered in a portable gas monitor featuring the industry's widest selection of high quality, long life and field proven sensors.
EAGLE Multigas Monitors are available in standard and custom configurations
The EAGLE's ergonomic design offers easy access to controls such as autocalibration, alarm silence, demand zero, peak hold and a wide variety of other features.
EAGLE 2 Two Gas Monitor
RKI is proud to produce the most versatile portable gas detector on the market. The EAGLE is a powerful instrument that does more than offer standard confined space protection. The EAGLE also provides detection combinations never before offered in a portable gas monitor featuring the industry's widest selection of high quality, long life and field proven sensors.
EAGLE 2 Two Gas Monitor is available in standard and custom configurations
The EAGLE's ergonomic design offers easy access to controls such as autocalibration, alarm silence, demand zero, peak hold and a wide variety of other features.
FP-260 Toxic Gas Monitor
FP-260The FP-260 is a highly sensitive toxic gas monitor using a gas detection cassette tape which is almost free of interference from other gases. Since the detection tape responds only to the chemical reaction of the gas being measured, there is no interference from hydrogen or organic gases.
High Sensitivity Toxic Gas Monitor for Phosphine, Silane, Diborane, Arsine, Disilane, Hydrogen Sulfide, Phosgene, Chlorine, and Hydrogen Selenide
Features
• Ideal for low gas concentration (ppb detection)
• Easily replaceable plug-in tape cassette
• Cassette tape remainder display included
M2 Series Explosion Proof Gas Transmitters
The RKI M2™ is a state-of-the-art transmitter that can operate as an independent, stand-alone system or as part of a system connected with an analog or digital signal to virtually any controller, PLC, or DCS. Setup procedures are simplified with user friendly push buttons and LCD menus. It utilizes a magnetic wand technique for performing non-intrusive calibration. The M2 provides an automatic zero drift correction feature, which results in more stable readings and reduces the need for adjustments due to sensor aging.
The M2 represents the latest leading edge technology in sensor / transmitters today.
Applications
• Petrochemical plants
• Refineries
• Offshore drilling platforms
• Water & wastewater treatment plants
• Offshore oil rigs
• Pulp & paper mills
S Series Diffusion Sensor and Transmitter
The RKI S-Series gas sensor/transmitters are highly reliable and cost effective basic 4-20 mA transmitters for the detection of common gas hazards. The S-Series transmitters are available for LEL (catalytic), LEL (IR) CH4, LEL (IR) HC, O2, H2S, CO, or CO2 (IR). The electronics are encased inside a potted package to avoid damage from mechanical abuse or corrosion, and this assembly is installed inside an explosion-proof enclosure. All sensors are explosion-proof with flame arrestors and approved for use in hazardous atmospheres. There is also an optional version for oxygen for use in non-hazardous atmospheres.
Indoor or outdoor. Explosion proof for Class I, Div. 1, Groups B, C, and D.
Features
• Explosion proof housing
• Patented water repellent sensor coating
• Available for LEL, H2S, CO, O2 , and ppm HC
• IR sensors available for LEL & CO2
AQM 60 Outdoor Air Quality Monitor
AQM 60 Ambient Air Quality Monitors fill the gap between full reference monitoring stations and simple diffusion samplers. Typical applications include traffic or roadside monitoring, urban air quality measurement and fenceline monitoring of air pollution sources. Aeroqual utilises proprietary Analytic GSS Technology to provide high performance within a flexible cost effective package.
The New Benchmark for Cost Effective Air Quality Monitoring
Features
• Analytic GSS Technology
• Multiple gas sensors (up to six)
• Temperature and humidity sensors
• Rapid real-time data sampling (2-minute)
GEM2000 Plus Landfill Gas Analyser
The GEM2000 Plus is designed to monitor landfill gas extraction systems. Utilising new technology the GEM2000 Plus gives increased reliability for Carbon Monoxide (CO) readings. It retains the features of the field proven GEM2000.
GEM2000/GEM2000Plus can be switched into a 'GA' mode of operation. In this mode the operation of the analyser more closely resembles that of the GA2000/GA2000Plus range of instruments.
Features and Benefits
* MCERTS certified
* ATEX certified
* Measures H2S and CO
* Measures % CH4 CO2 and O2 static pressure and differential pressure
Series 200 Interchangeable Gas Monitor
The Series 200 can be hand held or fixed in position. It is a simple, easy-to-use, low-cost monitor that only displays the gas concentration. The monitor is compatible with the full range of Aeroqual gas sensors and is thus capable of measuring ozone, volatile organic compounds (VOC's), ammonia and carbon monoxide.
Aeroqual Series 200 with interchangeable sensor modules for measuring Ozone, Volatile Organic Compounds, Carbon Dioxide and Ammonia
The Aeroqual Series 200 Monitor has been specifically designed to incorporate Aeroqual’s in-depth knowledge of accurate ambient gas measurement.
GA2000 Plus Landfill Gas Analyser
The GA2000 Plus utilises new technology to give more reliable readings for Carbon Monoxide (CO)helping determine the presence of fires on landfill.It incorporates all the existing technology and features of the industry standard GA2000.
GA2000 Plus Landfill Gas Analyser - H2 compensated CO and H2S
The GA2000PLUS blends high technology sophistication with a newly developed measurement technique to combat cross gas affects on Carbon Monoxide readings.The analyser monitors Methane (CH4), Oxygen (O
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