GAS & AIR SAMPLING & MONITORING
Contents
1. 5 Sensors Protected catalytic bead for combustible gases LEL Electrochemical sensors for oxygen O2 and hydrogen sulfide H2S and carbon monoxide CO Modular photo ionisation detector for broadband detection of VOCs using 10 6eV lamp Drop in rechargeable with Li ion battery pack Standard alkaline battery adaptor Charging cradle doubles as external battery charger Up to 16 continuous e Industrial cleaners with Li ion e Heat transfer fluids Up to 12 hours with alkaline e Solvents paints e Plastics resins adhesives e Pesticides and herbicides These are common industrial compounds you find in or bring into a confined space Features e Reliable accurate VOC detector e Simple to operate e Easy to calibrate e Durable weather resistant rubber body e Data logging included e Large display with auto backlight e Loud alarm e Bright red flashing LED alarms e Up to 16 hours of continuous operation Interchangeable Lithium ion and alkaline battery packs e Charging cradle doubles as an external battery charger Powerful pump allows sample draws up to 30m Sensor Specifications 0 999ppm VOC 1ppm VOC Large 3 5cm x 4 5cm display with automatic back lighting in dim light or alarm condition 3 button operation Oxygen as percentage by volume Combustible gas as percentage of lower explosive limit LEL percentage by volume VOCs CO amp H2S as parts per million TWA2. e Flush the bag at least three times with purified air or nitrogen before use e Attach a piece of 6 mm OD Teflon or similar tubing from the hose valve fitting of the bag to the outlet fitting of the pump or gas bottle Loosen the knurled screw on the bag open the valve and tighten the knurled screw to lock the valve in place Activate the sampling pump or bottle and note the start time and any other pertinent information necessary Avoid filling any bag more than 80 per cent of its maximum volume turn the pump off and close the valve on the bag e Tighten the knurled screw to lock the valve closed Note the ending time if necessary 17 7cm x 17 7cm 1 L 25cm x 37cm 3 L 25cm x 57cm 5 L Supplied with single Stainless Steel Fitting At the end of the sampling period Sample Bag Chamber The EnviroEquip Sample Bag Chamber allows negative pressure provided by any air sampling pump or vacuum hand pump to draw a gas sample into a tedlar bag The sample is drawn into the bag without passing through the pump and there are no contamination issues Sample Bag Chamber Hand Vacuum pump and sample bags sold separately zZ e ce a N lt Ou 7 gt J Ro e 2 dlv 8 SVD Weather Monitors Logging Rain Gauge RG20 Perfect for applications like Catchment Measurement Rainfall Intensity Hydrology and Irrigation Control The RG20 is a compact robust aut
3. tubing Tool kit INTRINSICALLY SAFE ef a T lt Z 2 o Q lt vi N J Ro e Z dlv 3 SVD Infrared Methane Sensors in Landfill Gas Monitors What is Landfill Gas The waste within a landfill will consist of a wide variety of substances but a large proportion will be biodegradable This will include animal and vegetable matter paper and wood These substances can be decomposed by micro organisms within the landfill and this breakdown process produces gas Landfill gas can be a complex mixture of gases but a few gases predominate Initially carbon dioxide is the main gas but there can also be significant quantities of hydrogen Methane is produced during the major part of the decomposition process Many other gases can be produced in trace amounts and the exact composition of the gas will vary between different landfill sites different parts of the same site and over time Infrared absorption Infrared absorption is usually the preferred method for measuring methane and carbon dioxide Most gases absorb radiation in the infrared region The wavelength of radiation that is absorbed is determined by the natural vibration frequencies of the molecule These natural frequencies will depend on the bond strengths molecule size and shape and mass of the atoms involve Thus different gas molecules have different natural frequencies and will absorb infrared r
4. charging cradle or optional Bluetooth Wireless data transmission through built in RF modem US and Canada UL cUL Classified as Intrinsically Safe for use in Class I Division Groups A B C D Europe ATEX II 1G EEx ia IIC T4 pending IECEx Il 1G EEx ia IIC T4 pending 20 to 50 C 0 to 95 relative humidity non condensing Durable bright yellow rubber boot with belt clip 25 5 x 7 6 X 6 4 cm 738gm Photoionisation sensor with standard 10 6 eV or optional 9 8 eV or 11 7 eV lamps Rechargeable external field replaceable Lithium lon battery pack MiniRAE 3000 PID with 10 6 eV lamp Also includes Li ion battery Datalogging with ProRAE Studio Software Package Charging download adapter Flex l Probe External filter Rubber boot Alkaline battery adapter Lamp cleaning kit Tool kit Operation amp Maintenance manual Soft leather case Hard transport case with pre cut foam padding Charging download cradle 5 Porous metal filters and O rings Organic vapor zeroing kit Gas outlet port adapter and tubing INTRINSICALLY AVAILABLE SAFE TO RENT MiniRAE Lite Portable PID 0 5 000ppm range The MiniRAE Lite s photoionisation detection PID range is 0 to 5 000 ppm This makes it an ideal instrument for applications ranging from environmental to construction Note this instrument is not rated intrinsically safe Key Features e Proven PID technology The patented sensor provides
5. The integrity of your sampling accuracy depends on the effectiveness of your gas regulating equipment Each regulator is manufactured under rigorous Statistical Process Control and has a two year warranty All regulators are permanently engraved with model number flow rate and lot tracing number and are 100 tested to meet product specification 700 Series Regulators These single stage piston type regulators are equipped with a control valve that allows constant gas flow for easy ON OFF Models 713 715 and 718 have an option for preset flow Each model is equipped with a cylinder pressure gauge Specifications Delivery pressure Cylinder Pressure Max Inlet Pressure 713 715 Seals Seat Bonnet Gauges Inlet Model 713 Inlet Model 715 Outet 3 16 Hose B Delivery Weight Demand Flow Regulators The simplest way to calibrate Demand Flow regulators DFRs are the simplest way to accurately calibrate your instrument When turned on or opened the regulators will only let the flowrate of gas through that the instrument is demanding No more no less This means you can t over force a higher flow rate through the instrument or starve it of calibration gas Both situations could cause false calibration results e No more gas bags to calibrate from The fastest and simplest calibration method Minimises calibration gas wastage Easy to operate Ordering Information Demand flow regulator ALE0
6. amp STEL values for VOCs CO amp H2S High and low values for all gases EntryRAE VOC and max 4 other sensors Lithium ion rechargeable battery alkaline battery adpator 5 external filters charging cradle ProRAE Studio software package computer interface cables RS232 with USB adaptor calibration adapter user manual shipping case EntryRAE for VOC 10 6eV PID LEL O2 H2S amp CO unit with accessories kit INTRINSICALLY SAFE 0 100 LEL 1 LEL 0 5 Volume 1 Vol LEL Explained LEL sensors are used for the detection of a wide variety of combustible gases and vapors that exhibit different responses Combustible gases or flammable gases can burn or explode potentially causing extensive damage to plant and or personnel For a combustible gas to ignite three conditions are needed e gas in sufficient quantity e air or oxygen in sufficient quantity e ignition source Combustible gas must be present in a high enough concentration to ignite The minimum concentration needed is called the Lower Explosive Limit or LEL How does it work An LEL sensor consists of matched detector and compensator made from coils of platinum wire embedded within a catalytic bead Oxidation of combustibles gases and vapours releases heat changing the resistance of one element with respect to the other which is detected as an out of balance voltage in the bridge circuit LEL sensors have a diffusion barr
7. the following unique features 3 second response time Range up to 5 000 ppm Humidity compensation Designed for service Easy access to lamp and sensor in seconds without tools Big graphic display for easy overview of concentration e Field interchangeable battery pack replacable in seconds without tools Integrated flashlight for better visibility in low light Rugged housing withstands use in harsh environments On e MindBaE be Bea 25 5x7 6x6 4cm 7389 Photoionisation sensor with standard 10 6eV lamp e Alkaline battery adapter e External field replaceable lithium ion battery pack if specified 12 hours with lithium ion battery 4 lines 28 x 43 mm with LED back light 1 operation and 2 programming keys 1 flashlight on off Instantaneous reading of e VOCs as ppm by volume e High and low values Date and time 95 dB buzzer at 30 cm and flashing red LED to indicate exceeded preset limits e High 3 beeps and flashes per second e Low 2 beeps and flashes per second e Alarm latching with manual override or automatic reset e Additional diagnostic alarm and display message for low battery and pump stall IP 65 Two point calibration for zero and span e Internal integrated flow rate at 400 cc min e Sample from 100 30m horizontally and vertically Auto shut off pump at low flow condition IECEx Ex ia IIC IIB Gb T4 20 C lt Ta lt 50 C 20 to 50 C 0 to 95 relative humidity non
8. 04140 Portable Lab Field Case The Portable heavy duty impact resistant plastic Lab Field Case can hold two 6D size non refillable cylinders regulator and tubing It is a Safe and convenient system for carrying and storing two 103 litre at 1000 psig calibration standards Ordering Information Plastic calibration gas carr Tedlar Sample Bags Tedlar bags can be used for indoor air sampling hazardous waste sites leaking underground storage tanks stack sampling soil gas sampling gas blending calibration test standards and most other gas sampling needs Using air bags is a reliable way to calibrate gas monitoring equipment Most meters have an internal sample draw pump The flow rate of these pumps can vary from small to many litres per minute And as these pumps wear out their flow rates tend to drop off To avoid having to get a regulator or flow control device to exactly match the flow rate of the meter it is simple to fill a gas bag with the calibration gas then insert the inlet probe of the meter and let the meter sample at its own natural pump rate This ensures a high degree of accuracy when calibrating Tedlar gas sampling bags are made of 2mil PVF Tedlar film Tedlar is tough durable and considered chemically inert to a wide range of compounds All bags feature an eyelet and single 2 in 1 fittings that combine the valve and septum into one How to use a Tedlar bag for sampling
9. EL of CH4 Peak CH4 and user defined comments Accepts protocols Allows balancing of gas extraction e Modem for remote download Optional Event log Data storage 2000 readings and 1000 IDs e 0 500ppm H2S readings Technician log Main Applications e Gas extraction fields e Flare monitoring e Landfill sites GEM2000 Plus shown with optional Pitot Tube 0 100 Reading 0 100 Reading 0 25 0 2000ppm H Compensated 0 500ppm HH o _ 20 5 0 5 21 0 _ 1 0 1 0 10 o ea 2208 210 500mbar direct measurement 125 mbar direct measurement 0 c 40 c 0 95 non condensing 200 mbar from calibration pressure 5 mbar Typical use 10 hours from fully charged Approximately 2 hours from complete discharge GEM2000 ATEX Certified Infra red Gas Analyser no cells Measures CH4 CO2 02 GEM2000Plus ATEX Certified Infra red Gas Analayser Measures CH4 CO2 02 H2S and CO with a Hydrogen compensated CO Cell Hydrogen level also indicated INTRINSICALLY SAFE Biogas Check Biogas Analyser Designed to meet biogas project requirements this simple to operate analyser is the ideal field instrument for anaerobic digester gas analysis Easy to use and portable the biogas check measures gas compositon with repeatable accuracy on farms food processing plants and wastewater treatment facitilies Benefits e Enables consistent collection of data for improved analysis
10. GAS amp AIR SAMPLING amp MONITORING What does a PID measure PID Photo lonization Detectors LEL Explained LEL Monitors Infrared Methane Sensors Explained Landfill Gas Monitors Calibration Gas Weather Monitors Dust Monitor Dust Sampler GAS amp AIR SAMP amp MON Wn gt J Ro fo dlv 3 SVD MiniRAE 3000 Portable PID 0 15 000ppm range The intrinsically safe hand held PID from RAE Systems features a powerful built in piston pump with sample flow rates of 500cc min The field rugged PID has excellent response and remote monitoring capabilities for confined space entry and leak detection Itis also used in the field of leaking underground storage tanks and for head space analysis in soil wells and water A special sensor design and reliable lamp produces stable base line and span for increased sensitivity and accuracy Features e The patented sensor provides the following unique features 3 second response time extended range up to 15 000ppm with improved linearity humidity compensation with integral humidity and temperature sensors Designed for simple service with easy access to lamp and sensor in seconds without tools Big graphic display for easy overview of gas type correction factor and concentration Field interchangeable battery pack replaced in seconds without tools Integrated flashlight for better view in dark conditions User friendly screens including da
11. RAE that monitor Combustibles LEL Oxygen H2S CO and exotic gases can come as e Unit with a pump e Unit with no pump called diffusion heads or diffusion pumps Z Q X W N lt S3 The latter relies on the ambient atmosphere to diffuse to the sensor heads before a reading can be taken Catalytic Bead sensors create a small vacuum which is enough to pull the sample through The main disadvantage of pump type meters is the sample is drawn through a gas chamber and takes a few seconds to actually hit the sensors Diffusion pumps have their sensors placed very close to the atmosphere which gives a faster response time Diffusion LEL monitors suit most applications but a pump driven LEL is best for e Detection of gases in hard to reach areas where tubing is needed for easy reach e Detection of supertoxics exotic gases where the specific gravity is different to oxygen Can I use an LEL for a Landfill application No it is not recommended for the following reasons e Although catalytic technology will work up to a certain point it requires calibration on a very regular basis unlike Infra Red Sensors that come with Landfill Gas Monitors GA2000 s etc e Catalytic Technology requires the presence of oxygen landfill wells monitoring lacks oxygen and therefore LELs will not perform properly in this situation e There are a number of chemicals and gases that poison the catalytic sensor and bas
12. You ALE004116 ALE004116 ALE004116 a asrorratedwithrerty Demand Flow FI ALE004140 ALE0041 ALE0041 ALE0041 normally associated with rental Bsivaliiew alae eas e Many more gases amp combinations are available please contact us with your requirements cylinders Cylinders for gas stability and Cylinder Specifications long shelf life The Calgaz multiple step treatment process for aluminium cylinders ensure the stability and consistency of reactive gases In addition Calgaz exclusive internal valve design 7EOC 279x73mm 1L3 CGA 600 gives added protection against ares 500 279x73mm 1e 3 CGA 600 contamination and damage a ee Soeur di 6D 103 litres 1 000 351x82mm 1 52L 4 8kg 715 716 1700 5 8 18UNF the most accurate method available 6DM__ 58 litres 1 000 203x82mm 0 80L 2 4kg 715 716 1700 5 8 18UNF using gravimetric weights certified All cylinders composed of Steel except 8AL which is made of Aluminium by N I S T Finally every cylinder is leak checked with the aid of mass spectrometry technology Ongoing tests verify a remarkably long shelf life for Calgaz mixtures Internal Water Outlet Fitting VN s O Q Dax w N D cs N Y D z EG LL O oO N N co Q Tare weight Y A 2 ene g ES U D O Oo Ww U acm N A Q A Q 7 JV Ro e zZ dlv 3 SVD Regulators for Calibration Gas Regulators
13. adiation of different wavelengths Figure 3 shows the absorption bands of methane and carbon dioxide See Geotechnial Instruments range of landfill gas and biogas instruments on pages 161 163 Y This property is used in infrared absorption to select a specific gas for analysis By using infrared radiation of the same wavelength as the absorption band the technique can be made specific to a particular gas a useful property when analysing one gas within a mixture Infrared radiation from a source is passed through the gas to be analysed Several infrared detectors are positioned to measure the amount of infrared radiation that has passed through the gas A filter that is tuned to the wavelength of interest is positioned in front of the infrared detector This then makes that particular detector sensitive to the gas of interest By using several detectors with different filters a number of different gases can be detected at the same time The amount of radiation absorbed will be proportional to the path length through the gas and the concentration of the gas Since the path length is fixed the concentration of the gas can be calculated Infrared absorption can be made robust accurate and stable It also requires little or no routine maintenance and an infrared absorption cell has a lifetime of many years Can use an LEL for a Landfill application No it is not recommended for the following
14. and accurate reporting Validates flow and gas composition for carbon credit trading e Field proven technology Features e Measures CH4 CO2 and O2 volume static differential and barometric pressures Measures additional gases with optional gas pods e Reads gas temperature with optional temperature probe Calculates balance gas and flow SCFM ATEX certified Easy field calibration by user Self test and monitoring on start up Stores readings e Easy to read User interchangeable Iters Applications e Farm Digester e Food Processing e Wastewater e Methane Recovery 0 100 Reading 0 100 Reading 0 25 H2S optional external 0 5000ppm H2S optional internal 0 10 000ppm Gas Accuraat co o 500mbar direct measurement 125 mbar direct measurement less barometric 0 c 40 c 0 95 non condensing 200 mbr from calibration pressure Recommendeed field calibration mix 60 CH4 40 CO 5 mbar absolute Typical use 10 hours from fully charged Approximately 2 hours from complete discharge Biogas Check Analyser Measures CH4 CO2 02 Biogas check Analyser with H2S gas pod INTRINSICALLY SAFE lt N lt T 2 2 oS a lt v N gt J Ro e Z dlv 3 SVD Accu Flo Wellheads Accu Flo Wellheads can help prevent landfill gas migration landfill gas emissions and subsurface fires Landfill owners and operators will a
15. ation Gas Calibration Gas made easy Now you can save time money and headaches normally associated with obtaining and using calibration gas EnviroEquip supplies the entire range of Air Liquide calibration gases available in handy disposable cylinders to suit your every need SAMP amp MON lt N lt T Bump test your instruments before taking them out in the field A bump test checks the calibration of an instrument by exposing it to a known concentration of gas The reading is compared to the actual quantity of gas shown on the Calgas cylinder If the instrument s response is within an acceptable tolerance range the calibration is confirmed and the instrument is irae Commonly requested ei Why use Calgaz Disposable Swine st Mine a uae a i Caloration gases isobutylene 100ppm air 100ppm air ALE003671 ALE003105 e When a worker steps into a confined WA N lia CH 2 5 50 LEL air ALE003662 ALE003089 safety monitoring equipment This co o CH 2 5 O 21 is why manufacturers distributors adi 7 i e ALE003022 EREN and users of environmental safety monitoring equipment the world H 5 25ppm N e ae ALE003322 gt over rely on Calgaz calibration gas 25 H2S 100 CO hee POT eal ALE003337 2 O charges e Calgaz eliminates unnecessary CH4 60 CO2 40 v v aaa ALE003605 costs by providing your Fedon 715 calibration gases in lightweight a 97 ALE004111 mn oem non refillable cylinders
16. condensing Durable green rubber boot MiniRAE Lite Monitor Li lon battery 10 6 eV UV lamp External filter Green rubber boot Alkaline battery adapter Lamp cleaning kit Tool kit charger manual Soft leather carrying case Hard transport case with pre cut foam 5 Porous metal filters and O rings Organic vapor zeroing kit and Gas outlet port adapter and tubing PID Holster amp Belt e Frees up both hands for increased safety when climbing Military style leg position keeps the instrument at your fingertips e Easy decontamination 45kg rated Velcro backed holster keeps the instrument secure e Charge and calibrate instrument without removing it from holster Holster is comfortable and allows the wearer to move freely Leg Harness Holster without belt Utility belt for holster GAS amp AIR SAMP amp MON EntryRAE Affordable OSHA compliance plus reliable VOC protection The EntryRAE is a 4 gas monitor plus photo ionisation PID detector Reliable easy to operate and simple to calibrate the EntryRAE delivers added protection without added complexity Why PID Typical 4 gas monitors don t detect volatile organic compounds VOCs VOCs are combustible and often toxic at the levels far below 10 LEL They are commonly found in e Fuels oils degreasers 4 PID amp 4 Gas 15cm x 8 3cm x 4 8cm 4 without clip Q D Confined Space Entry Monitor 567g with battery and s J clip fo
17. ed Infra red Gas Analyser 5 Gas Measures CH4 CO2 02 H2S CO GA2000 ATEX Certified Infra red Gas Analyser no cells 3 Gas Measures CH4 CO2 0O2 GA2000Plus ATEX Certified Infra red Gas Analyser CO Version Measures CH4 CO2 02 H2S and CO with a Hydrogen compensated CO Cell Hydrogen level also indicated GA2000Plus ATEX Certified Infra red Gas Analyser NH3 Version Measures CH4 CO2 02 H2S NH3 GA2000Plus ATEX Certified Infra red Gas Analyser H2 Version Measures CH4 CO2 02 H2S H2 Internal flow option Event log option GPS option Gas Analyser Manager Software USB Communications Lead INTRINSICALLY SAFE lt N lt T Z O a lt N 7 gt As Zo e zZ dlv 3 SVD 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 This equipment has been certified for use in potentially explosive atmospheres in accordance with ATEX directive 94 9 EC Equipment group and category EX Il 2G Protection concept Eex ibd IIA T1 Ta 0 C to 40 C Features amp Benefits e ATEX certified e Measures H2S and CO e Measures CH4 CO2 and O2 static pressure and differential pressure Calculates balance gas flow m3 h and calorific value KW or BTU Records L
18. en and toxic gasses Rechargeable snap in field replaceable 4 8V 1 1Ah NMH battery pack 4 AA alkaline battery adapter 10 hours continuous 10 hrs charge through built in charger or an ext battery charger 2 line by 16 digit LCD with LED back light automatically in dim light or alarm condition 1 operation and 2 program keys Instantaneous up to 5 values Oxygen as percentage by volume Combustible gas as percentage by volume or percentage of lower explosion limit Toxic gases as parts per million High and low values for all gases STEL TWA for toxic gases Battery and shut down voltage 90 dB buzzer amp flashing LED to indicate exceeded preset alarms Two points field calibration of zero and span gas 16 000 points down load to PC with serial number of unit user ID site ID and calibration date 1 3 600 seconds programmable Internal pump flow rate 400cc min Auto shut off at low flow condition 200C to 400C 0 to 95 relative humidity non condensing VRAE unit with combustible oxygen and up to 3 toxic sensors OR combustible and up to 4 toxic sensors Rechargeable NMH battery pack Filter and O ring pack 5 Inlet probe Gas outlet port adapter Manual Rubber boot with belt clip Alkaline battery adapter Nickel Metal Hydride NiMH battery 120 or 230 V AC DC wall adapter if specified Hard transport case with pre cut foam padding 15 5m Tygon
19. h the data Features e Stand alone self recording unit e Level Bubble e Corrosion Resistant Materials e Robust Design e Simple Recalibration Procedure e Low Power Consumption Applications e Catchment Measurement e Flood Studies Alerts e Rainfall Intensity e Meteorological Rainfall Monitoring Hydrology Irrigation Control Specifications Operating Units Data Storage Resolution Power Supply Solar Panel Weight Dimensions Ordering information EVDRG20 Logging rain c Agriculture and Horticulture Weather Stations WeatherMaster 1600 The WeatherMaster 1600 package consists of four integrated electronic weather sensors an internal data logger solar panel 2 metre powder coated stand and EasiAccess database and reporting software The WeatherMaster 1600 is an ideal economical weatherstation for a variety of research agricultural and industrial applications It s innovative integrated design is compact and light enough to be readily portable however the unit is quite robust and can withstand remote siting in harsh locations Measures e Wind speed e Wind direction e Air temperature Relative humidity Optional 5th sensor up to 100m away Readily upgradable to the WM20 model Stores 100 days of daily data 65 days of hourly data and approx 4 weeks of 15 min data WeatherMaster 2000 The WeatherMaster 2000 is a compact automatic weather station designed to suit a va
20. ically kill it in a very short amount of time These chemicals and gases include silicone which is by far the worst As silicone is used in a number of compounds namely as a sealant e g silicone rubber it would be very difficult to ensure that the catalytic technology will not be isolated from any of this N gt me Ro e Z dlv 3 SVD QRAEII Pump or Diffusion The QRAE II is available as a diffusion or pumped one to four gas monitor for detection of combustibles oxygen hydrogen sulfide carbon monoxide or sulfur dioxide Key features include an easy to change battery pack a water resistant case and a new state of the art O2 sensor Key Features e Patented SPE O2 Oxygen sensor with the following unique features Lead free design that complies with RoHS directive and extended life compared to lead type electrochemical oxygen sensors resulting in a low cost of ownership Leak free design minimizing downtime Best EMI RFI immunity technology for products in its class eliminating radio interference e Easy access to pump sensors filter and battery compartment without exposing electronic components to potential damage e IP 65 water and dust resistant case e Strong protective concussion proof design Additional Advantages e Plug in sensors oxygen combustibles hydrogen sulfide carbon monoxide or sulfur dioxide Intuitive simple to operate two b
21. ier to limit the gas flux to the catalytic bead they tend to have the greatest sensitivity to high diffusivity compounds such as Hydrogen and Methane than Kerosene Correction factors have been determined that enable the user to quantify a large number of chemicals using only 1 single calibration eg Methane Applications e Confined space entry e Wastewater treatment plants e Marine and off shore oil wells e Landfill operations e Trenches silos railcars e Coal mines e Cruise ships e Sewers and manholes e Tunnels e Refineries and petrochemical plants including off shore drilling and plant shut downs e Power plants e Pulp and paper industry e Steel mills What s the difference between PID and LEL Sensors In summary they have different detection techniques 1 LEL Sensors are not readily able to detect heavy or long chain hydrocarbons eg diesel fuels jet fuels 2 PIDs use high energy uV light from a lamp to remove an electron from neutrally charged VOC molecule producing a flow of electrical current proportional to the concentration of the contaminant 3 The larger the molecule the lower the energy required thus the larger the molecule the easier to detect 4 Small hydrocarbons such as methane are not detectable with a PID The energy required to detect methane with a PID exceeds to energy of the uV light produced by the PID lamp Diffusion vs Pump Gas monitoring meters like the Q
22. mmediate installation eliminating the cost and uncertainties of field fabricated units Accu Flo models are available for installation above or below ground on vertical wells or horizontal branch laterals in flow ranging from 1 to over 300 SCFM Flow Accuracy and Reliability The Accu Flo system is designed to operate in the wet abrasive environment typical of landfill gas and still provide exacting control and accurate flow measurements with high dependability and consistency A patented feature of the Accu Flo design is the pre calibrated gas measurement tube assembly Accu Flo body which extends into a standard vertical or horizontal well casing or branch lateral creating a compact installation The measurement tube assembly houses a modified stainless steel impact tube specifically designed for harsh landfill gas applications Differential pressure readings between the impact tube and measurement tube are used to calculate flow To help protect the impact tube from condensate and particulate clogging common with conventional designs such as pitot tubes and orifice plates the Accu Flo uses an enlarged total pressure port opening and a separate protected static pressure port Also pre calibration of the measurement tube with a pre positioned impact tube eliminates the need to take time consuming traverse measurements normally required for accuracy Flow Rate a QO v A v Q ae afl Calibr
23. omatic rain gauge It consists of an inbuilt tipping bucket rain gauge sensor windows software data logger rechargeable battery and solar panel The rain gauge automatically sends its information to the data logger which processes and stores the data in its memory The data is then available for collection by personal computer either onsite or remotely via telemetry The rain gauge sensor is factory calibrated so that each system is ready for use immediately It can be used for an extended period without any need for adjustment There are no electrical connections to be made no mechanical assembly just mount the unit on a Suitable base and switch it on Thanks to its compact and innovative design the Environdata Logging Rain Gauge is easy to carry to site easy to set up and easy to operate immediately The unit s memory provides up to 29 000 readings facilitating high intensity data collection or long intervals between data collection Data is stored in 3 independent secure areas with battery backup Usually daily summaries are stored in Memory Area 1 hourly data in Area 2 and rainfall intensity data in Area 3 If the system s software should fail perhaps as a result of a nearby lightning strike an automatic circuit watch dog will restart the logger within a minute ensuring that data storage is uninterrupted The internal real time clock ensures that the correct date and time are always stored wit
24. ording e Simultaneous display of all gases Storage of site and ID questions e Field proven e Standardises monitoring routines Easy transfer of data Optional Internal flow Optional Event log with technician log e Data storage 2000 readings and e Optional GPS Main Applications e Landfill sites e Biogas e Site investigation GA2000 amp GA2000Plus GPS Option The on board GPS option locates boreholes simply fast and accurately Its easy to read where to go on screen directions save time especially for technicians on different sites e Real time GPS tracking and location e GPS location of borehole stored with readings e On site store locations e Google Earth mapping GA2000 amp GA2000Plus GA2000 Plus H2 Compensated CO 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 the existing technology and features of the industry standard GA2000 0 70 by specification 0 100 reading 0 60 by specification 0 100 reading 0 25 0 500ppm H2 Compensated 0 500ppm for GA2000 Plus cH o o Ea _ 1 0 1 0 1 0 500mbar direct measurement 0 c 40 c 0 95 non condensing 200 mbar from calibration pressure 5 mbar absolute Typical use 10 hours from fully charged Approximately 2 hours from complete discharge GA2000 ATEX Certifi
25. pended particles without separating different sizes Uniform 58 000mm nominal air intake 240V 50Hz 4 A at 70n m c Air Flow and Clean Filter Switching Transient up to 5 0 A Ramp up current 4 A Three Phase 50Hz 1 3 kW Variable Frequency Soft Start Mass Flow Sensor and PID Controller Unaffected by variation in the ambient air temperature and pressure Better than 1 SCMH At 1 meter 50dba At 2 meters 44dba At 4 meters 38dba At 6 meters 35dba At 8 meters 32dba 230 x 280mm removable 2 off one with transport cover supplied as standard 20 3 x 25 4cm 8 x 10 inch Nominal 400 x 340 x 1050mm High 450 x 450mm square 710mm Diameter 500mm Height Increase to overall height 1140mm Nominal 47 kg 10 C to 40 C 20 100 SCMH 20 100SCMH Australia For customer service call 1300 735 295 Thermo Fisher Visit us online at www thermofisher com au New Zealand For customer service call 0800 933 966 SCIENTIFIC Visit us online at www thermofisher co nz 2011 Thermo Fisher Scientific Inc All rights reserved
26. ppreciate the Accu Flo proven design that meets the special requirements of landfill gas LFG recovery for environmental compliance and energy production Accu Flo Wellheads provide operators with the gas extraction control necessary to meet more restrictive environmental and safety regulations thus preventing unnecessary and costly violations Accu Flo helps maximise gas recovery minimise surface emissions and subsurface migration helps control hot spots and prevent subsurface fires Benefits e Compact size e Easy installation and maintenance e Built in gas flow measurement Built in gas flow control gate valve e Quick connect measurement ports e High accuracy and repeatability of measurements Durable Materials Sch 80 PVC housing and couplings Stainless steel impact tube and polypropylene fittings elastomeric coupling and PVC Flexible interconnects Simplified Data Collection Accu Flo simplifies the complexity of measuring well head data by incorporating key built in features including a LFG flow measuring device gas temperature port quick connect gas sample ports and a flow control gate valve The patented design expedited the time required to obtain key well head data and determine necessary flow adjustments using the industry standard instruments GEM2000 or other field unit Quick and Versatile Installation The prefabricated Accu Flo assembly factory tested and warranted is shipped ready for i
27. reasons e Although catalytic technology will work up to a certain point it requires calibration on a very regular basis unlike Infra Red Sensors that come with Landfill Gas Monitors GA2000 s etc e Catalytic Technology requires the presence of oxygen landfills well monitoring lacks Oxygen and therefore LELs will not work properly in this situation e There are a number of chemicals and gases that poison the catalytic sensor and basically kill it in a very short amount of time These chemicals and gases include silicone which is by far the worst As silicone is used ina number of compounds namely as a sealant e g silicone rubber it would be very difficult to ensure that the catalytic technology will not be isolated from any of this 1 Excerpts from Monitoring Landfill Gas Article in Asian Environmental Technology Nov 07 Geotechnical Instruments GA2000 Landfill Gas Analyser The industry standard GA2000 is designed to meet landfill monitoring protocols set by Government legislation Utilised with dedicated software the GA2000 becomes an extremely powerful detection monitoring and change indicator tool This equipment has been certified for use in potentially explosive atmospheres in accordance with ATEX directive 94 9 EC Equipment group and category EX Il 2G Protection concept Eex ibd IIA T1 Ta 0 C to 40 C Features amp Benefits e ATEX certified e 5 Gases standard e Peak CH4 rec
28. riety of research agricultural and industrial applications The WeatherMaster 2000 package consists of six integrated electronic weather sensors an internal data logger solar panel 2 metre powder coated stand automatic evaporation calculation and EasiAccess database and reporting software Measures e Wind Speed e Wind direction e Air Temperature Relative humidity e Rainfall e Solar Radiation amp evaporation rate Optional 7th sensor up to 100 m away Stores 100 days of daily data 65 days of hourly data and approx 20 days of 15 min data Common Features e Includes Windows based graphing database and reporting software e Solar powered durable stainless steel and powder coated aluminium construction e Provides current readings plus 15 minute hourly and daily summary AD40 Software Optional Vector Analysis of Wind Speed Accurate recording of wind data while the wind is varying in speed or direction or both within the reporting period of the system can be difficult In the case of monitoring airborne pollution it can be vital As an example using the standard scalar values available with most systems half a minute of wind from the East and half a minute from the North would be reported as a wind direction of North East However if the Easterly wind blows at a speed of 10 knots the effect of Northerly gusts at 30 knots would be to blow airborne particles more North than East The AirDa
29. sors include new RAE dual range 0 100 Volume and 0 100 LEL oxygen and three smart interchangeable toxic sensors or up to four smart interchangeable toxic sensors The internal pump automatically shuts off plus an alarm is activated if the remote probe tubing crimps or water is sucked onto the field replaceable hydrophobic filter User selectable calibrated sensor analog output is available in addition to datalogging Features e Large alarm activated back light LCD display Visual alarm with flashing light e Large keys usable with gloved hand Rigid inlet probe e 10 hours operation Sample collection port e 16 000 data points download to PC e Rubber boot for protection Sensors Options Include e Carbon monoxide e Hydrogen Sulphide e Combustibles LEL e Oxygen e Sulphur Dioxide Nitric Oxide Nitrogen Dioxide e Chlorine e Ammonia Hydrogen Cyanide e Phosphine Ethylene Oxide Applications e Refineries and petro chemical plants confined space entry hot work permits Utilities cable vaults transformer stations e Waste water treatment plants confined space entry e Marine and off shore oil wells testing of confined spaces Landfill operations monitoring wells and confined spaces UL amp cUL Class 1 Division 1 Group A B C D US amp Canada EEx ia IIC T2 Europe Pending 197 x 70 x 38mm 568gm w battery pack Catalytic sensor for combustible gas Electrochemical sensors for oxyg
30. ta software resolves the difficulty of accurate measurement by vector analysis or the net combined effect of wind speed and direction The AirData software also records highest wind gust for each reporting period and provides the data necessary to calculate particle dispersion if required 15 C to 50 C Accuracy 0 20C Electronic capacitance type Accuracy 5 Range 10 90 Tipping bucket mechanism 0 2 mm resolution 3 Cup 66mm Anemometer Resolution 0 1 kph starting threshold 1kph Optical shaft encoder resolution 6 deg Accuracy 6 deg Global incoming with cosine correction Accuracy 5 Cosine accuracy 3 One only Barometric pressure soil temp or extra sensor same as the above excluding rainfall 104K battery backed RAM stores a total of 29 000 data readings plus time and data stamp 6 volt 3 0 AH internal sealed rechargeable gel cell capacity for 6 weeks operation without sunlight 1 5 watt panel maintains battery with 3 hours bright sunshine per day 7 kg excluding mounting bracket RS232 6 pin serial connection 300 to 9600 Baud Weather station with mounting bracket amp software Weather station with mounting bracket amp software AirData vector analysis software optional lt N lt T Z O a lt N N gt J Ro e Z dlv 3 SVD High Volume Dust Sampler This design provides many significant advantages over pre
31. taplot chart view Integrated RAE Systems correction factors list for more than 200 compounds to measure more chemicals than any other PID Multi language support with 12 languages encoded Rugged housing withstands use in harsh environments Cleaning and decontamination in water Strong protective removable rubber boot 4 lines 28 x 43 mm with LED backlight for enhanced display readability 1 operation and 2 programming keys 1 flashlight on off Instantaneous reading VOCs as ppm by vol High values STEL and TWA Battery and shutdown voltage Date time temperature 0 to 999 9 ppm 0 1ppm res 1000 15 000ppm 1ppm res 95 dB at 30 cm buzzer and flashing red LED to indicate exceeded preset limits High 3 beeps and flashes per second e Low 2 beeps and flashes per second e STEL and TWA 1 beep and flash per second e Alarms latching with manual override or automatic reset e Additional diagnostic alarm and display message for low battery and pump stall IP67 unit off and without flexible probe IP65 unit running Standard 6 months at one minute intervals Two point or three point calibration for zero and span Calibration memory for 8 calibration gases alarm limits span values and calibration dates Internal integrated flow rate at 500 cc mn Sample from 100 30m horizontally and vertically Auto pump shutoff at low flow condition Download data and upload instrument setup from PC through
32. utton user interface with built in pump e Pump or diffusion models available Cradle doubles as an external battery charger and data transfer connection e Rugged housing Large graphic display for easy overview of gas type and concentration Rechargeable Lithium ion battery pack provides up to 14 hours of continuous operation 0 100ppm 0 1000ppm 1 LEL 0 1ppm 1ppm 0 1ppm 12 5cm x 7 2cm x 3 8cm 12 5cm x 7 2cm x 5 0cm 2509 350g e Catalytic bead for combustibles e Oxygen SPE O2 non consumable Solid Polymer Electrolyte technology e Toxic electrochemical H2S CO or SO2 Interchangeable Lithium ion and alkaline battery packs Up to 14 hours continuous operation with Lithium ion battery up to 10 hours with alkaline battery typical without alarm Up to 10 hours with Lithium ion battery up to 8 hours with alkaline battery 4 lines with LED automatic back light in dim light or alarm condition Two key operation 95dB buzzer at 30 cm and flashing red LED IP 65 Standard 12 days at one minute intervals Two point calibration for zero and span Optional internal pump 300 cc mn e US and Canada Cl D1 Groups A B C D T4 e Europe ATEX II 2G EEx ia d llc T4 e IECEX Ex ia d Il C T4 20 to 50 C 0 to 95 relative humidity non condensing VRAE Hand Held 5 Gas Surveyor The VRAE is a hand held 1 2 3 4 or 5 gas monitor with built in sampling pump and optional datalogging Sen
33. vious units including e Constant air flow maintained well within 1 of the preset flow rate in normal operating conditions e True mass flow sensor no need for temperature and pressure corrections e Low energy consumption because motor load is determined by the filter e Load and not by mechanical restrictions e Low wear and long life because of low load the vacuum pump has been proven in power stations at full load around the clock for many years The absence of other mechanical or moving parts eliminates problems found in some products e Low noise quiet running does not attract attention or annoy neighbours Soft start drives ensuring the start current demand is kept at a very low level User friendly filter collection and replacement no more struggling with fragile tissue on site in bad weather The unique removable filter support and transport cover allows filter loading and recovery in a protected laboratory environment without risk of losing the sample e Secure casing preventing dust and rain ingress while permitting easy access for service e The flow set incorporates well proven PM10 and PM2 5 Heads allowing it to sample a variety of particle sizes The heads have been wind tunnel tested to ensure accurate cut points Hi Vol with PM10 or PM2 5 head Hi Vol with TSP head collects particles smaller than 10microns collects particles smaller than 2 5micron collects total sus
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