{"title":"Gas Analyzers","description":"","products":[{"product_id":"s4-aurora-paramagnetic-oxygen-analyser","title":"S4 AURORA – Paramagnetic Oxygen Analyser","description":"\u003cp\u003eThe new S4 AURORA Paramagnetic oxygen analysers provide accurate percent measurements in combustion testing, inert atmospheres, medical and safety for humans, internal combustion engine exhausts and many more applications. With a remote software suite for control over the Internet, and an optional wireless tablet, the S4 AURORA is simple to operate. To ensure flexibility, users are able to specify their required configuration and programmable contact closures are available for gas path control. In common with all S4 analysers, the AURORA range deliver outstanding performance – 0.01% resolution and 0.1% linearity.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942730305602,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at12.52.10PM.png?v=1769622736"},{"product_id":"s4-nebula-heated-tdls-ammonia-analyser","title":"S4 NEBULA – Heated TDLS Ammonia Analyser","description":"\u003cp\u003eTunable Diode Laser Spectroscopy (TDLS) based ammonia analyser for fast and accurate measurement in process \u0026amp; environmental monitoring, automotive and research applications.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942732894274,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at12.56.25PM.png?v=1769622991"},{"product_id":"s4-pulsar-ndir-multi-gas-analyser","title":"S4 PULSAR – NDIR Multi-Gas Analyser","description":"\u003cp\u003eThe new PULSAR NDIR Multi-gas analyser from Signal Group has been upgraded to provide the company’s best ever performance specification. With ultra-low drift it is ideal for low range applications and high accuracy measurement. The unique design of the detector prevents cross-sensitivity to other gases and also removes the risk of contamination by particulate matter. As a result, this instrument is ideal for a wide range of industrial applications.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942733484098,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at12.58.07PM.png?v=1769623093"},{"product_id":"s4-quasar-heated-vacuum-chemiluminescence-nox-analyser","title":"S4 QUASAR – Heated Vacuum Chemiluminescence NOx Analyser","description":"\u003cp\u003eThe S4 QUASAR Heated vaccuum chemiluminescence gas analysers combine high levels of performance with flexibility and ease-of-use in the continuous measurement of NOx, Nitric Oxide, Nitrogen Dioxide or Ammonia.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942734434370,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.33.07PM.png?v=1771961619"},{"product_id":"s4-solar-heated-fid-voc-analyser","title":"S4 SOLAR – Heated FID VOC Analyser","description":"\u003cp\u003eThe S4 SOLAR Heated FID VOC analyser employs Flame Ionisation Detectors (FID) technology and is designed for a standard 19” rack, with heated and non-heated options. A dual detector version is also available for the simultaneous measurement of both methane and non-methane hydrocarbons.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942734729282,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.34.28PM.png?v=1771961679"},{"product_id":"s4-solar-xplore-portable-heated-fid-voc-analyser","title":"S4 SOLAR XPLORE – Portable Heated FID VOC Analyser","description":"\u003cp\u003eThe latest addition to our range of advanced FID analysers, the S4 SOLAR XPLORE is a compact, portable version of our popular S4 SOLAR rack mount analyser. With built-in features such as a detachable tablet with integrated wireless connection, a precision monobloc heated FID and an optional integrated Zero air generator, the S4 SOLAR XPLORE can be fitted with dual FID detectors for simultaneous monitoring of THC, NMHC and methane.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942734958658,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.35.09PM.png?v=1771961720"},{"product_id":"200smseries-cooler-dryer","title":"200SMSeries Cooler \/ Dryer","description":"\u003cp\u003eThe 200SM Series of 19″ rack mounting cooler dryers remove water vapour from Stack and Exhaust Emission gases, before analysis by ambient analysers. Errors due to water interference are removed and condensation is prevented from occurring inside the analysers. The unit is based on a solid state Peltier cooler element with a continuous peristaltic pump which removes the unwanted water.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942735351874,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.36.16PM.png?v=1771961787"},{"product_id":"250-portable-cooler-dryer","title":"250 Portable Cooler \/ Dryer","description":"\u003cp\u003eThe Signal Group 250 Portable cooler dryer removes water vapour from stack and exhaust emission gases, before analysis by ambient analysers.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942735581250,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.04.09PM.png?v=1769623455"},{"product_id":"315-nmhc-cutter","title":"315 NMHC Cutter","description":"\u003cp\u003eSignal Group’s 315 NMHC cutter provides the capability to measure methane and non-methane hydrocarbons only for clients with a standard heated flame ionisation detector (FID).\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eAn external non-methane hydrocarbon cutter provides capability to measure methane only for clients with a standard heated flame ionisation detector (FID). The Model 315 provides a low cost alternative to “all in one” FIDs with a built in cutter.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eHoused in a 19” rack-mount case suitable for inline usage with portable and fixed equipment, this unit is ideal for use with 3010 or SOLAR FID units. Two modes of operation allow a reading for either total hydrocarbons or methane only, allowing you to derive a value for nonmethane hydrocarbon concentration.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942736007234,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.05.22PM.png?v=1769623529"},{"product_id":"320-cutter","title":"320 Cutter","description":"\u003cp\u003eThe 320 Cutter provides a low cost alternative to “all in one” FIDs with a built in cutter. Housed in a portable case suitable for inline usage with portable and fixed equipment, this unit is ideal for use with the 3010 MINIFID. Two modes of operation allow a reading for either total hydrocarbons or methane only, allowing you to read a value for non-methane hydrocarbon concentration. In the methane mode the sample is directed through a heated catalyst.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942736498754,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.37.00PM.png?v=1771961832"},{"product_id":"346-fef-module","title":"360 – Heated pump\/Filter\/Dist. Oven","description":"\u003cp\u003eA medium duty heated Prefilter unit is installed in the 19″ Rack housing of the analysers. The Prefilter is fitted with a choice of either one (361) or two (362) filter streams (for either two sample points, pre\/post cat or twin cells). The units incorporate a heated head sample pump, gas distribution needle valve manifold, back pressure regulator. The unit provides 3 heated outputs and 1 cold output to a chiller or cooler\/dryer.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942736957506,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.11.11PM.png?v=1769623877"},{"product_id":"363-portable-heated-sample-pump-filter","title":"363 Portable Heated Sample Pump\/Filter","description":"\u003cp\u003eA light duty, portable heated pump and pre-filter unit for use with single heated instruments. Provides variable inlet pressures and sample flow rates for very low sample pressures, or very long heated lines, or for pumpless measurement instruments.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942739873858,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.12.28PM.png?v=1769623955"},{"product_id":"363sm-heated-pre-filter","title":"363SM – Heated Pre-Filter","description":"\u003cp\u003eThe 363SM is a heated pre-filter which is installed close to the sampling point, providing a filtration of hot sample gas before allowing down the heated line to the gas analyser.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942740430914,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.14.54PM.png?v=1769624099"},{"product_id":"410-nh3-to-no-converter-module","title":"410 – NH3 to NO Converter Module","description":"\u003cp\u003eThis compact 19” rack enclosure houses either a NH3 to NO converter or NO2 to NO catalysts, as well as a self contained heated filter and calibration gas selection valve. It is generally used with chemiluminescent NOx analysers.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942742265922,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.16.02PM.png?v=1769624168"},{"product_id":"418-luft-detector-infra-red-ir-gas-analyser","title":"418 – Luft Detector Infra-Red (IR) Gas Analyser","description":"\u003cp\u003eLuft, R.F. capacitive bridge circuit detector for highly specific gas detection with advanced optical design allows direct ambient measurement.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942743937090,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.17.19PM.png?v=1769624245"},{"product_id":"noxgen821s","title":"NOXGEN821S 821S Gas Divider","description":"\u003cp\u003eThe unit is controlled by using two decade thumbwheel switches adjustable from 00 to 99, and a three position ozone level switch for low, medium and high settings. The NOxGen 3 R provides the option of remote control using TTL levels for all operational functions. The Signal Group’s NOxGen 3 comes in a 19” rack type, 3 units high enclosure. It can be bench top used or fitted into a 19” rack console. For bench top use there are extendible feet at the front which can be used to tilt the angle of the instrument back for ease.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942744363074,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.38.02PM.png?v=1771961894"},{"product_id":"fid-cells","title":"FID Cells","description":"","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942744723522,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}]},{"product_id":"connectors","title":"Connectors","description":"","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942744854594,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}]},{"product_id":"as80-air-purifier","title":"AS80 Air Purifier","description":"","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942745477186,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.39.00PM.png?v=1771961950"},{"product_id":"821-gas-divider","title":"821 Gas Divider","description":"\u003cp\u003eThe 821S has ten identical capillaries and a precision balance regulator. The span gas can be selected to flow through a number of those capillaries with the diluent flowing through the remainder, to produce a ratio. Many types of gas analyser are inherently non-linear due to the physical nature of the analysing technique. Photometric analysers (NDIR, NDUV, FTIR \/ spectrophotometers) need to be linearised before they leave the factory and then at regular intervals during service. Other more linear analysers will also need to be checked for linearity periodically whilst in service. This should be part of the QA\/QC regime. Also known as a gas blender or gas mixer.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942745542722,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.20.42PM.png?v=1769624449"},{"product_id":"530-temp-controller","title":"530 Temp Controller - Heated Line Plus Temperature Controller","description":"\u003cp\u003eSignal Group’s sample handling modules and components condition gas samples in preparation for analysis. 1\/8”, ¼”, 3\/8” and ½” versions, and their metric equivalents (3mm, 6mm, 10mm, 13mm). 1m to 50m in length. Signal Group’s Trace heated line is designed to convey hot exhaust gasses from sample points and probes to analyser, without compromising sample integrity. With safety a major consideration the tough, flexible line is electrically isolated from the main supply and is thermally insulated to allow handling even at full temperature.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942745935938,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.40.39PM.png?v=1771962049"},{"product_id":"3010-pure","title":"3010 MINIFID Portable Heated FID VOC Analyser - 3010 PURE","description":"\u003cp\u003eThe 3010 MINIFID Portable heated FID VOC analyser is a small, self contained, and fully portable analyser. It is equally convenient for use on the laboratory bench or as a portable on-site measurement tool. This portable FID features the same detection system as the S4 Solar range of FIDs. It is supplied with a 5m heated sample line and built-in controller as standard. The bottle rack may be detached for use with standard, full sized gas cylinders.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942746001474,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-02-24at2.42.03PM.png?v=1771962134"},{"product_id":"xplore","title":"XPLORE","description":"\u003cp\u003eThe latest addition to our range of advanced FID analysers, the S4 SOLAR XPLORE is a compact, portable version of our popular S4 SOLAR rack mount analyser. With built-in features such as a detachable tablet with integrated wireless connection, a precision monobloc heated FID and an optional integrated Zero air generator, the S4 SOLAR XPLORE can be fitted with dual FID detectors for simultaneous monitoring of THC, NMHC and methane..\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942748196930,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}]},{"product_id":"gas-sample-pump","title":"Gas Sample Pump","description":"\u003cp\u003eSuitable for use with both PULSAR and AURORA analysers. With the ability to connect up to 5 sample pumps to a single Pulsar gas analyser allowing the independent control of 5 sample channels.\u003c\/p\u003e","brand":"Signal Group","offers":[{"title":"Default Title","offer_id":42942751539266,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/1615\/0594\/files\/Screenshot2026-01-28at1.23.52PM.png?v=1769624640"}],"url":"https:\/\/fieldtechinstruments.com\/collections\/gas-analyzers.oembed","provider":"FieldTech Instruments","version":"1.0","type":"link"}