{"title":"Oxygen Flow Meters","description":"\u0026lt;p\u0026gt;TGA-approved medical oxygen and air flowmeters for clinical piped gas delivery. Vectr Medical stocks Gentec and Comweld pressure-compensated flowmeters — including standard, SIS-fitting, and 90-degree variants for wall-mounted medical gas outlets. For hospitals, GP clinics, aged care facilities, and emergency departments across Australia.\u0026lt;\/p\u0026gt;","products":[{"product_id":"gentec-fm197-flowmeter","title":"Gentec FM197 Flowmeter","description":"\u003cp\u003eThe Gentec FM197 is a back-pressure-compensated oxygen flowmeter calibrated for 0-15 LPM (litres per minute) flow range — covering standard medical oxygen administration from low-flow nasal cannula through high-flow mask therapy. Polycarbonate hood and tube provide durability and resistance to common cleaning agents and disinfectants, while the stainless-steel ball float ensures accurate flow indication.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum-durability polycarbonate hood and tube\u003c\/strong\u003e — withstands regular use, impermeable to common cleaning agents and disinfectants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBack-pressure compensated\u003c\/strong\u003e — accurate flow indication regardless of supply pressure variations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow range 0-15 LPM\u003c\/strong\u003e — covers all standard oxygen therapy ranges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrated at 50 psi and 70°F\u003c\/strong\u003e — clinical standard reference conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStainless-steel ball float\u003c\/strong\u003e for accurate, durable flow indication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim body\u003c\/strong\u003e — fits in compact installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE-listed\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFlow range: 0-15 LPM\u003c\/li\u003e\n  \u003cli\u003eCalibration: 50 psi inlet, 70°F (21°C)\u003c\/li\u003e\n  \u003cli\u003eFloat: Stainless steel\u003c\/li\u003e\n  \u003cli\u003eTube\/hood: Polycarbonate\u003c\/li\u003e\n  \u003cli\u003ePressure compensation: Back-pressure compensated\u003c\/li\u003e\n  \u003cli\u003eCertifications: CE-listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere it's used\u003c\/h2\u003e\n\u003cp\u003eHospital wards, GP and specialist clinics, ambulances, and aged-care facilities running medical oxygen delivery. The 0-15 LPM range covers everything from low-flow paediatric oxygen through high-flow adult therapy. Pair with a Gentec medical gas regulator (286 or 197M) for cylinder-fed setups, or connect directly to wall-pipeline oxygen at clinical facilities.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes back-pressure compensation matter?\u003c\/strong\u003e\u003cbr\u003eYes. Without it, downstream restrictions (humidifiers, narrow tubing) cause the flow indication to read incorrectly. Back-pressure compensation maintains accuracy regardless of downstream conditions — important for clinical accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFM197 vs FM187 — what's different?\u003c\/strong\u003e\u003cbr\u003eFM197 is for medical oxygen; FM187 is for medical air. They're calibrated for different gas densities so they're not interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat inlet fitting do I need?\u003c\/strong\u003e\u003cbr\u003eSpecify your supply type (cylinder DISS, AS-2473 quick-connect, or wall-pipeline) when ordering. Different inlets are available; the standard FM197 ships with the AU clinical-standard fitting.\u003c\/p\u003e","brand":"Gentec","offers":[{"title":"Default Title","offer_id":51398760923457,"sku":"GEN-FM-197-15L","price":151.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/files\/c5c469c8-1-12.jpg?v=1771288795"},{"product_id":"gentec-fm187-flowmeter","title":"Gentec FM187 Flowmeter","description":"\u003cp\u003eThe Gentec FM187 is a back-pressure-compensated medical air flowmeter calibrated for the 0-15 LPM range, the air-gas counterpart to the FM197 (medical oxygen). Polycarbonate hood and tube, stainless steel float, slim body, and CE listing — same engineering quality as the oxygen variant, calibrated specifically for medical air gas density.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum-durability polycarbonate hood and tube\u003c\/strong\u003e — withstands regular use, impermeable to common cleaning agents and disinfectants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBack-pressure compensated\u003c\/strong\u003e — accurate flow regardless of supply pressure variations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow range 0-15 LPM\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrated at 50 psi and 70°F\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-quality stainless steel ball float\u003c\/strong\u003e for accurate, durable indication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim body\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE-listed\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGas type: Medical air (not oxygen)\u003c\/li\u003e\n  \u003cli\u003eFlow range: 0-15 LPM\u003c\/li\u003e\n  \u003cli\u003eCalibration: 50 psi inlet, 70°F (21°C)\u003c\/li\u003e\n  \u003cli\u003eFloat: Stainless steel\u003c\/li\u003e\n  \u003cli\u003eTube\/hood: Polycarbonate\u003c\/li\u003e\n  \u003cli\u003ePressure compensation: Back-pressure compensated\u003c\/li\u003e\n  \u003cli\u003eCertifications: CE-listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFM187 (air) vs FM197 (oxygen)\u003c\/h2\u003e\n\u003cp\u003eThe FM187 and FM197 are visually similar but calibrated for different gas densities. Medical air and medical oxygen flow differently through the same tube geometry, so each gas needs its own calibrated flowmeter. Don't substitute one for the other — use FM187 for medical air, FM197 for medical oxygen. For setups requiring both gases (blended therapy, ventilator support), order one of each.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is medical air used?\u003c\/strong\u003e\u003cbr\u003eNebulised therapy with non-oxygen-compatible medications, blended oxygen\/air respiratory support, ventilator setups requiring controlled gas mix. Most home applications use oxygen only; medical air is mostly clinical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill my air-supply fitting match?\u003c\/strong\u003e\u003cbr\u003eSpecify your inlet (cylinder DISS, AS-2473 quick-connect, or wall-pipeline) when ordering. Gentec offers different inlets to match Australian clinical standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does back-pressure compensation matter?\u003c\/strong\u003e\u003cbr\u003eDownstream restrictions (humidifiers, narrow tubing, masks) create back-pressure that distorts uncompensated flow readings. Compensation maintains accuracy regardless.\u003c\/p\u003e","brand":"Gentec","offers":[{"title":"Default Title","offer_id":51398761054529,"sku":"GEN-FM-187-15L","price":152.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/files\/8e1f5a03-1-16.jpg?v=1771288795"},{"product_id":"comweld-ezi-flow-air-flow-meter","title":"Comweld Ezi-Flow Air Flow Meter","description":"\u003cp\u003eThe Comweld Ezi-Flow Air Flow Meter is a pressure-compensated medical air flowmeter that delivers prescribed flow accurately to the end user from the gas source. Suitable for most types of respiratory therapy where medical air (rather than oxygen) is the prescribed gas. The S.I.S. (Specific Index System) oxygen handwheel provides safe, calibrated control across the 0-15 L\/min range.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure-compensated design\u003c\/strong\u003e — flow accuracy maintained regardless of varying supply pressures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0-15 L\/min outlet pressure range\u003c\/strong\u003e — covers standard respiratory therapy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e±5% accuracy\u003c\/strong\u003e (of full scale reading) — clinical-grade precision.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS.I.S. oxygen handwheel\u003c\/strong\u003e for safe controlled adjustment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor medical air gas only\u003c\/strong\u003e — distinct from oxygen-service equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGas type: Medical air (not oxygen)\u003c\/li\u003e\n  \u003cli\u003eMaximum outlet pressure: 0-15 L\/min\u003c\/li\u003e\n  \u003cli\u003eAccuracy: ±5% of full scale\u003c\/li\u003e\n  \u003cli\u003eHandwheel: S.I.S. (Specific Index System)\u003c\/li\u003e\n  \u003cli\u003eCompensation: Pressure-compensated\u003c\/li\u003e\n  \u003cli\u003eTGA-approved for medical use in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAir vs oxygen flowmeters\u003c\/h2\u003e\n\u003cp\u003eMedical air and medical oxygen have different gas densities and require flowmeters calibrated specifically for each gas. The Ezi-Flow Air is for medical air supply only — pair it with a medical oxygen flowmeter (like the Gentec FM197) when both gases are required, never substitute one for the other. Common applications for medical air include nebulised therapy where mixing oxygen and air at controlled ratios is required.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhy a separate flowmeter for air vs oxygen?\u003c\/strong\u003e\u003cbr\u003eDifferent gas densities mean different float behaviour. An oxygen flowmeter used on medical air will read inaccurately — and vice versa. Always match the flowmeter to the gas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere would I need medical air?\u003c\/strong\u003e\u003cbr\u003eNebulised therapy with non-oxygen-compatible medications, blended oxygen\/air therapy, or ventilator setups requiring controlled gas mix. Most home and basic clinical setups need oxygen only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes pressure compensation make a real difference?\u003c\/strong\u003e\u003cbr\u003eYes — wall-pipeline supply pressures can vary, and downstream restrictions (humidifiers) create back-pressure. Compensation keeps the indicated flow accurate regardless.\u003c\/p\u003e","brand":"Comweld","offers":[{"title":"Default Title","offer_id":51398761087297,"sku":"CWD-FM-EZIAIR","price":260.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/files\/986e22d0-515820.jpg?v=1771288794"},{"product_id":"comweld-ezi-flow-oxygen-flowmeter","title":"Comweld Ezi-Flow Oxygen Flowmeter","description":"\u003cp\u003eThe Comweld Ezi-Flow Oxygen Flowmeter is the oxygen-gas variant of the Ezi-Flow line — pressure-compensated to deliver accurate prescribed flow regardless of supply pressure variations, suitable for most types of respiratory therapy. S.I.S. (Specific Index System) oxygen handwheel ensures safe, gas-specific connection. ±5% accuracy across the full 0-15 L\/min range.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure-compensated design\u003c\/strong\u003e — flow accuracy maintained regardless of supply pressure variations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0-15 L\/min outlet pressure range\u003c\/strong\u003e — standard respiratory therapy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e±5% accuracy\u003c\/strong\u003e (of full scale reading).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS.I.S. oxygen handwheel\u003c\/strong\u003e for safe gas-specific connection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor oxygen gas service only\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGas type: Medical oxygen\u003c\/li\u003e\n  \u003cli\u003eMaximum outlet pressure: 0-15 L\/min\u003c\/li\u003e\n  \u003cli\u003eAccuracy: ±5% of full scale\u003c\/li\u003e\n  \u003cli\u003eHandwheel: S.I.S. (Specific Index System)\u003c\/li\u003e\n  \u003cli\u003eCompensation: Pressure-compensated\u003c\/li\u003e\n  \u003cli\u003eTGA-approved for medical use in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eComweld vs Gentec flowmeters\u003c\/h2\u003e\n\u003cp\u003eComweld and Gentec are both well-regarded medical flowmeter brands in Australia. Comweld has stronger heritage in Australian clinical supply chains; Gentec is the international standard with broader product range. Either is a good clinical-grade choice — pick by what your facility's purchasing or compliance practices favour. Comweld's Ezi-Flow line has the advantage of a slim profile and simple installation.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEzi-Flow Oxygen vs Ezi-Flow Air?\u003c\/strong\u003e\u003cbr\u003eSame physical chassis, different gas calibration. Always match the flowmeter to the actual gas — substituting an air flowmeter on oxygen (or vice versa) will give inaccurate flow readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this on a cylinder regulator?\u003c\/strong\u003e\u003cbr\u003eYes — connect via a regulator with the matching SIS oxygen outlet. The flowmeter expects standard 400 kPa supply pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs back-pressure compensation the same as pressure-compensation?\u003c\/strong\u003e\u003cbr\u003eClosely related concepts. Both ensure flow accuracy regardless of supply or downstream pressure variations. Comweld documents this as \"pressure compensated\"; Gentec uses \"back-pressure compensated\". Functionally equivalent for clinical use.\u003c\/p\u003e","brand":"Comweld","offers":[{"title":"Default Title","offer_id":51398761447745,"sku":"CWD-FM-EZIOX","price":225.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/files\/8ff3bcfc-515800.jpg?v=1771288794"},{"product_id":"gentec-fm197bs-15l-sis-oxygen-flowmeter","title":"Gentec FM197BS-15L-SIS Oxygen Flowmeter","description":"\u003cp\u003eThe Gentec FM197BS-15L is a Safety Instrumented System (SIS) oxygen flowmeter — the Australian-standard SIS-fitting variant of the FM197 family, calibrated for 0-15 LPM medical oxygen. Maximum-durability polycarbonate construction, long service life, and integrated safety valve make this the workhorse oxygen flowmeter for hospital ward and clinical-pipeline use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSIS (Safety Instrumented System)\u003c\/strong\u003e oxygen-specific connection — Australian clinical standard.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum durability\u003c\/strong\u003e polycarbonate hood and tube.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong service life\u003c\/strong\u003e — designed for hospital ward continuous use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated safety valve\u003c\/strong\u003e — protects downstream equipment and patients from over-pressure events.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0-15 LPM flow range\u003c\/strong\u003e — covers all standard oxygen therapy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGas service: Medical oxygen\u003c\/li\u003e\n  \u003cli\u003eFlow range: 0-15 LPM\u003c\/li\u003e\n  \u003cli\u003eInlet: SIS (Safety Instrumented System) for oxygen\u003c\/li\u003e\n  \u003cli\u003eConstruction: Polycarbonate hood and tube\u003c\/li\u003e\n  \u003cli\u003eSafety: Integrated safety valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSIS — what it is and why it matters\u003c\/h2\u003e\n\u003cp\u003eThe Sleeve Index System is the Australian-standard quick-connect for medical gas wall pipelines and equipment. Each gas has a unique sleeve geometry (oxygen ≠ medical air ≠ nitrous oxide) — preventing accidental cross-connection of incompatible gases. SIS is mandatory in most Australian clinical facilities; using the SIS-variant flowmeter ensures your equipment connects safely to standard wall-pipeline outlets.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFM197BS vs FM197 — which?\u003c\/strong\u003e\u003cbr\u003eFM197BS has the SIS quick-connect inlet. FM197 has a different inlet style (typically threaded). Specify SIS if your facility uses the standard Australian wall-pipeline system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandard or 90-degree variant?\u003c\/strong\u003e\u003cbr\u003eStandard FM197BS for direct wall-mount alignment. 90-degree variant for installations where the flowmeter needs to angle outward from the wall (separate SKU).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the safety valve adjustable?\u003c\/strong\u003e\u003cbr\u003eNo — factory-set to clinical-standard relief pressure. Don't attempt to adjust it; that voids the safety certification.\u003c\/p\u003e","brand":"Gentec","offers":[{"title":"Default Title","offer_id":51398762398017,"sku":null,"price":136.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/files\/ba469f84-FM197BS-15L-SIS.jpg?v=1771288798"},{"product_id":"gentec-fm197bs-15l-sis-oxygen-flowmeter-90-deg","title":"Gentec FM197BS-15L-SIS Oxygen Flowmeter 90 deg","description":"\u003cp\u003eThe 90-degree variant of the Gentec FM197BS-15L SIS Oxygen Flowmeter — same internal calibration and safety features as the standard model, with the inlet angled 90 degrees from the body. Designed for installations where the flowmeter needs to project outward from the wall pipeline rather than aligning straight, common in compact ward setups, ambulance medical-gas panels, and confined clinical spaces.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90-degree angle\u003c\/strong\u003e — suitable for tight or angled installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSIS oxygen-specific inlet\u003c\/strong\u003e — Australian clinical standard.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum durability polycarbonate construction\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong service life\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated safety valve\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0-15 LPM flow range\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGas service: Medical oxygen\u003c\/li\u003e\n  \u003cli\u003eFlow range: 0-15 LPM\u003c\/li\u003e\n  \u003cli\u003eInlet: SIS, 90-degree angle\u003c\/li\u003e\n  \u003cli\u003eConstruction: Polycarbonate hood and tube\u003c\/li\u003e\n  \u003cli\u003eSafety: Integrated safety valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhen to choose 90-degree over straight\u003c\/h2\u003e\n\u003cp\u003eChoose the 90-degree variant when the wall-pipeline outlet sits in a tight space (corner, narrow bay, equipment-rack mount) and a straight flowmeter would protrude awkwardly. The angled inlet keeps the body of the flowmeter aligned with the working space rather than the pipeline. For standard ward outlets with adequate clearance, the straight FM197BS is the simpler choice.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs calibration affected by the 90-degree angle?\u003c\/strong\u003e\u003cbr\u003eNo — internal calibration is unchanged. The angle is in the inlet fitting only; the flow tube and float behave identically to the straight variant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with cylinder oxygen?\u003c\/strong\u003e\u003cbr\u003eThe SIS inlet is for wall-pipeline use. For cylinder oxygen, use a regulator with the matching SIS outlet to bring the supply to SIS standard, then connect this flowmeter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandard or 90-degree — which is more common?\u003c\/strong\u003e\u003cbr\u003eStraight is more common in standard ward installations. 90-degree is for specific tight or compact-mount applications. Choose by your installation geometry.\u003c\/p\u003e","brand":"Gentec","offers":[{"title":"Default Title","offer_id":51398762496321,"sku":null,"price":150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/files\/8e93f1ed-FM197BS-15L-SISR.jpg?v=1771288798"},{"product_id":"gentec-fm187bs-15l-sisr-sis-air-flowmeter","title":"Gentec FM187BS-15L-SISR-SIS Air Flowmeter","description":"\u003cp\u003eThe Gentec FM187BS-15L SISR is a medical air flowmeter calibrated to 15 L\/min nominal flow with a 16-18 L\/min restricted full-scale ceiling. Calibration pressure of 400 kPa, ¼-inch BSP male outlet, and a built-in safety relief valve make it suited to standard Australian clinical air-pipeline supply. Hose barb supplied for downstream connection to humidifiers, nebulisers, or ventilator tubing.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedical air gas only\u003c\/strong\u003e — calibrated for air gas density.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum flow rate: 15 L\/min\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull scale restricted to 16-18 L\/min\u003c\/strong\u003e — prevents overshoot beyond clinical range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutlet fitting: ¼\" BSP male\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibration pressure: 400 kPa\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in safety relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHose barb supplied\u003c\/strong\u003e for downstream connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGas service: Medical air (not oxygen)\u003c\/li\u003e\n  \u003cli\u003eMaximum flow: 15 L\/min\u003c\/li\u003e\n  \u003cli\u003eRestricted full scale: 16-18 L\/min\u003c\/li\u003e\n  \u003cli\u003eCalibration pressure: 400 kPa\u003c\/li\u003e\n  \u003cli\u003eOutlet: ¼\" BSP male\u003c\/li\u003e\n  \u003cli\u003eSafety: Built-in relief valve\u003c\/li\u003e\n  \u003cli\u003eIncludes: Hose barb\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere to use it\u003c\/h2\u003e\n\u003cp\u003eHospital wards and clinical settings with separate medical air pipeline supply, ambulance services with dual-gas (oxygen + air) systems, and any setup requiring blended-gas respiratory therapy. Match this flowmeter to your air pipeline's SIS outlet — and pair with the FM197BS oxygen flowmeter if you need both gases at the same bedside.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's \"SISR\"?\u003c\/strong\u003e\u003cbr\u003eSIS-Restricted — the standard SIS connection with a flow restriction calibrated to 16-18 L\/min full scale, preventing the flowmeter being driven outside its accurate range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy ¼\" BSP outlet?\u003c\/strong\u003e\u003cbr\u003eBSP (British Standard Pipe) is the common Australian clinical thread for downstream tubing connections. Use BSP-compatible humidifiers, nebulisers, and tubing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for ventilator supply?\u003c\/strong\u003e\u003cbr\u003eFor low-flow respiratory therapy, yes. For high-flow ventilator supply, you may need a higher-capacity air flowmeter — confirm the ventilator's air-supply requirements.\u003c\/p\u003e","brand":"Gentec","offers":[{"title":"Default Title","offer_id":51398762594625,"sku":null,"price":169.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/files\/cb1db1bb-FM187BS-15L-SISR.jpg?v=1771288798"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/1550\/3937\/collections\/de47e5e0-2-13.jpg?v=1774394356","url":"https:\/\/vectrmedical.com.au\/collections\/oxygen-flow-meters.oembed","provider":"Vectr Medical","version":"1.0","type":"link"}