{"product_id":"mems-thermal-mass-flow-meter-natural-gas","title":"Thermal Mass Flow Meter \u003cbr\u003efor Gas Flow (Methane and Natural Gas) \u003cbr\u003e1\/2\" to 2\" NPT","description":"\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOur thermal Flow meters feature our proprietary MEMS time-of-flight mass flow sensor installed in a laminar flow channel that forms a boundary layer ensuring laminar flow exists in the desired measurement area.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eA thermal time-of-flight meter works well for methane and natural gas applications because it directly measures gas mass flow based on heat transfer, making it highly accurate even at low flow rates and low pressures, without needing external temperature or pressure compensation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThermal time-of-flight meters work well for boilers because they accurately measure flow in high-temperature, variable conditions without obstructing the flow or being affected by pressure and density changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eConventional thermal mass flow meters have sensitivity to the thermal properties of the gas as well as to the gas flow conditions. Our time of flight mass flow meter, utilizing the time of flight of micro pulses of thermal bursts of energy, has no sensitivity to temperature or gas properties when the system is “zeroed” in the desired gas. It is a pure “mass velocity” measuring machine that does not care about gas temperature or composition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTime of Flight Thermal mass flow meters for gases and air shipping from stock \u0026amp; configured for you. OEM customers welcome.\u003cbr\u003e\u003cbr\u003eEASY to use Low Flow Mass Flow Meters. Check our stock \u0026amp; prices that beats our competition\u003c\/span\u003e\u003c\/p\u003e\n\u003c!--split--\u003e\n\u003ch5\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch3\u003eThermal Mass Flow Meter Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/TFM-5700-Specifications.png?v=1727910226\" alt=\"Thermal Flow Meter Specifications\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eNatural Gas Flow Meter Features\u003c\/h3\u003e\n\u003cdiv class=\"product-bullet-list\"\u003e\n\u003cul\u003e\n\u003cli\u003eNatural Gas Flow Meter for burners.\u003c\/li\u003e\n\u003cli\u003eMethane Gas Flow Meter for Billing\u003c\/li\u003e\n\u003cli\u003eGeneral purpose gas mass flow meter\u003c\/li\u003e\n\u003cli\u003eFast response time, customizable to 1 msec\u003c\/li\u003e\n\u003cli\u003eIP55 \/ NEMA  enclosure\u003c\/li\u003e\n\u003cli\u003eLarge dynamic range, over 100:1 S\u003c\/li\u003e\n\u003cli\u003eSerial, Analog and LCD interface\u003c\/li\u003e\n\u003cli\u003eCustomer accessible 3 button user Interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch5\u003e\u003cspan\u003e\u003cstrong\u003eInstructions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Quick_Manual_TFM5700_TOF_Series_Rev_3.4.pdf?v=1657903065\" title='Inline Methane and Natural Gas Mass Flow Meter 1\/2\" to 2\" NPT' target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #2b00ff;\"\u003eTFM Thermal Meter Manual \u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Methane Flow Meter Part Number System\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Methane_Mass_Flow_Meter_Part_Numbers_600x600.png?v=1613604488\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/TFM-5700_TOF_Meter_Brochure-R4_24426710-2073-49e2-a59e-30cfca8218ba.pdf?v=1613593798\" title=\"Inline Methane and Natural Gas Flow Meter Brochure\" style=\"color: #2b00ff;\" target=\"_blank\"\u003eSeries TFM-5700 Brochure for Methane Mass Flow Meter\u003cbr\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eGas Conversion Factor\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe \u003cspan class=\"Yjhzub\"\u003eGas Conversion Factor (GCF)\u003c\/span\u003e is used to adjust flow readings when the meter is measuring a gas different from its default calibration gas (usually \u003cspan class=\"Yjhzub\"\u003eAir\u003c\/span\u003e or \u003cspan class=\"Yjhzub\"\u003eNitrogen\u003c\/span\u003e). Because different gases have unique thermal properties, such as density and specific heat, applying the correct GCF ensures measurement accuracy across various media\u003c\/p\u003e\n\u003ctable height=\"586\" data-sae=\"\" data-animation-nesting=\"\" style=\"border-collapse: collapse; width: 305px;\" width=\"303\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 106.333px;\" width=\"106\"\u003e \u003ccol style=\"width: 132.333px;\" width=\"133\"\u003e \u003ccol style=\"width: 64.3333px;\" width=\"64\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 30.0pt;\" height=\"40\"\u003e\n\u003ctd style=\"height: 30.0pt; width: 80pt;\" width=\"106\" class=\"xl65\" height=\"40\"\u003e\u003cstrong\u003eGas\u003cspan data-complete=\"true\" data-wiz-uids=\"kCnIpc_z,kCnIpc_10\"\u003e\u003c!--Sv6Kpe[[null,null,\u0026quot;2e2e6e83-1f03-41d4-aabf-3f51adbcf22f\u0026quot;,null,null,0,0,\u0026quot;\u0026quot;,\u0026quot;\u0026quot;]]--\u003e\u003c\/span\u003e\u003c!--Sv6Kpe[]--\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border-left: none; width: 100pt;\" width=\"133\" class=\"xl65\"\u003e\u003cstrong\u003eConversion Factor (GCF)\u003c!--Sv6Kpe[]--\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border-left: none; width: 48pt;\" width=\"64\" class=\"xl65\"\u003e\u003cstrong\u003eMenu Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"20\"\u003eAir\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; border-left: none; width: 100pt;\" width=\"133\" class=\"xl65\"\u003e1\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; border-left: none; width: 48pt;\" width=\"64\" class=\"xl65\"\u003e1000\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eNitrogen\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e1\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e1000\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eOxygen\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e0.99\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e990\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eArgon\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e1.45\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e1450\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eHelium\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e1.45\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e1450\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eCarbon Dioxide\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e0.74\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e740\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eMethane\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e0.72\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e720\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eAmmonia\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e0.73\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e730\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003ePropane\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e0.36\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e360\u003c\/td\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003c\/tr\u003e\n\u003c!--Sv6Kpe[]--\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 15.0pt;\" height=\"20\"\u003e\n\u003ctd data-complete=\"true\" data-sfc-cp=\"\" style=\"height: 45.0pt; border-top: none; width: 80pt;\" width=\"106\" align=\"left\" class=\"xl66\" height=\"60\" rowspan=\"3\"\u003eHydrogen\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border-top: none; width: 100pt;\" width=\"133\" class=\"xl67\" rowspan=\"3\"\u003e\n\u003c!--Sv6Kpe[]--\u003e\u003c!--Sv6Kpe[]--\u003e1.01\u003c!--Sv6Kpe[]--\u003e\n\u003c\/td\u003e\n\u003ctd aria-owns=\"action-menu-parent-container\" data-complete=\"true\" data-sfc-cp=\"\" style=\"border-top: none; width: 48pt;\" width=\"64\" class=\"xl67\" rowspan=\"3\"\u003e1010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003ctr style=\"height: 15.0pt;\" height=\"20\"\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch3\u003eFeatures LARGE LCD display, shows the Flow Rate, Total Flow\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Methane_Mass_Flow_Meter_User_Interface_480x480.png?v=1613604325\" alt=\"Natural Gas Flow Meter Display\" loading=\"lazy\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe TFM-5700 Methane Flow meter outputs mass flow rate, total and outputs 4-20 mA as well as ModBUS RTU.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003eMethane Mass Flow Meter Flow Ranges\u003c\/h3\u003e\n\u003ctable height=\"166\" width=\"562\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 552px;\"\u003e\n\u003cp\u003e\u003cb\u003e1\/2\" NPT TMF5700 Flow Meter 0-20 SCFH, \u003cbr\u003e0- 0.33 SCFM \u003c\/b\u003e\u003cb\u003eor \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e1\/2\" NPT TMF5700 Flow Meter 0-650 SCFH, \u003cbr\u003e0- 10.8 SCFM\u003c\/b\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e1\" NPT TMF5700 Flow Meter 0-240 SCFH, \u003cbr\u003e0- 41.2 SCFM \u003c\/b\u003e\u003cb\u003eor \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e1\" NPT TMF5700 Flow Meter 0-2500 SCFH, \u003cbr\u003e0- 41.6 SCFM\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2\" NPT TMF5700 Flow Meter 0-3000 SCFH, \u003cbr\u003e0- 50 SCFM \u003c\/b\u003e\u003cb\u003eor \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2\" NPT TMF5700 Flow Meter 0-6200 SCFH, \u003cbr\u003e0- 103 SCFM\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNote: The maximum \"safe velocity\" within a pipe for natural gas and other flammable hydrocarbons is 30 m\/s\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cdiv class=\"cgt-content\" style=\"text-align: start;\"\u003e\n\u003ch3\u003eMethane and Natural Gas Flow Meter Dimensions\u003ca title='2\" NPT Methane Mass Flow Meter Dimensions' href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/TFM-5700_Meter_Dimensions_R_1.pdf?v=1613594595\"\u003e\u003cbr\u003e\u003cimg style=\"color: #212b36; font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 1.4em;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Methane_and_Natural_Gas_Flow_Meter_Dimensions_for_1_and_2_Inch_NPT_600x600.png?v=1613594517\" alt='1\" and 2\" NPT Methane and Natural Gas Flow Meter Dimensions' loading=\"lazy\"\u003e\u003cbr\u003e\u003c\/a\u003e\n\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003ca title=\"Methane and Natural Gas Flow Meter Dimensions for 1 and 2 inch NPT sizes\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/TFM-5700_Meter_Dimensions_R_1.pdf?v=1613594595\" style=\"color: #2b00ff;\" target=\"_blank\"\u003eMethane and Natural Gas Flow Meter Dimensions link\u003cbr\u003e\u003cbr\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch5\u003e\n\u003cstrong\u003eWiring Guide\u003c\/strong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Wiring_Guide_480x480.png?v=1614186623\" alt=\"Natural Gas Flow Meter Wiring Guide\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Natural_Gas_Flowmeter_Wiring_Description_98b33e92-a68b-4177-9dad-5ee55ced8c41_1024x1024.png?v=1614186876\" alt=\"Natural Gas Flow Meter Wiring Guide\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/TFM-5700_TOF_Meter_Brochure-R4_24426710-2073-49e2-a59e-30cfca8218ba.pdf?v=1613593798\" title=\"Inline Methane and Natural Gas Flow Meter Brochure\" style=\"color: #2b00ff;\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch5\u003e\u003cstrong\u003eTheory\u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch4\u003e\u003cstrong\u003eTFM-5700 Series Natural Gas Flow Meter Principle of Operation:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eOur TFM-5700 TOF Mass Flow meters feature our proprietary and state-of-the-art MEMS thermal time-of-flight mass flow sensor installed in a laminar flow channel that forms a boundary layer ensuring laminar flow exists in the desired measurement area.\u003cbr\u003e\u003cbr\u003eThe flow measurement, using our innovative time of flight MEMS technology, provides superior accuracy over conventional thermal mass flow meters. We utilize a a very low power micro heater that is pulsed where we measure the time the pulse takes to arrive at the measuring point located a precise distance away. The flow meter is a \"mass velocity measuring machine\" that measures the gas thermal properties to extract the density for true Mass Flow Rate Indication.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Time-Of-Flight_Graphic.png?v=1613605916\" alt=\"Time of Flight Flow Meter\" style=\"width: 145px; height: 189px; object-fit: contain;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is this an improvement over conventional Thermal Mass Flow Meters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConventional thermal mass flow meters have sensitivity to the thermal properties of the gas as well as to the gas flow conditions. Our time of flight mass flow meter, utilizing the time of flight of micro pulses of thermal bursts of energy, has no sensitivity to temperature or gas properties when the system is \"zeroed\" in the desired gas.\u003cbr\u003e\u003cbr\u003eIt is a pure \"mass velocity\" measuring machine that does not care about gas temperature or composition. Consider conventional thermal mass flow meters you may have used in the past that have to be calibrated for the specific gas and do not do well when the temperature of the gas changes rapidly.\u003cbr\u003e\u003cbr\u003eThe TFM-5700 series of Mass Flow Meters has no such sensitivity. As well, these meters are blazing fast compared to conventional thermal mass flow meters, and they take VERY VERY VERY little power to run.\u003cbr\u003e\u003cbr\u003eNote: Our thermal mass flow meters are an improvement to most \"top brand\" flow meters on the market, we invite you to investigate them. \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/files\/Power_Supplies_Bolts_Gaskets_and_more.pdf?v=1605288973\" title=\"Where to get 24 VDC Power Supplies and flange bolts and gaskets\" target=\"_blank\"\u003eWhere to get Power Supplies, Gaskets, Nuts and Bolts\u003c\/a\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch5\u003e\u003cstrong\u003eVideos\u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch4\u003eModBUS RTU quick video:\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eSimple instructions and details regarding the use of ModBus RTU with the TFM5700 Series Methane and Natural Gas Mass Flow Meter flow meter..\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"youtube-lite\" data-id=\"ENp5nBIAs2Q\"\u003e\n\u003cdiv class=\"youtube-lite__thumbnail\"\u003e\n\u003cimg src=\"https:\/\/img.youtube.com\/vi\/ENp5nBIAs2Q\/hqdefault.jpg\" alt=\"Video Thumbnail\" loading=\"lazy\"\u003e \u003cbutton class=\"youtube-lite__play\"\u003e▶\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVideo Below showing our Generic ModBus Program:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"youtube-lite\" data-id=\"3yBtgBUG_Zk\"\u003e\n\u003cdiv class=\"youtube-lite__thumbnail\"\u003e\n\u003cimg src=\"https:\/\/img.youtube.com\/vi\/3yBtgBUG_Zk\/hqdefault.jpg\" alt=\"Video Thumbnail\" loading=\"lazy\"\u003e \u003cbutton class=\"youtube-lite__play\"\u003e▶\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Tactical Flow Meter","offers":[{"title":"1\/2\" 0-20 SCFH (0-0.33 SCFM)","offer_id":41700698194089,"sku":"TFM5700-BASE","price":1400.0,"currency_code":"USD","in_stock":true},{"title":"1\" 0-240 SCFH (0-4 SCFM)","offer_id":41700742037673,"sku":"TFM5700-BASE-7","price":1500.0,"currency_code":"USD","in_stock":true},{"title":"1\" 0-300 SCFH (0-5 SCFM)","offer_id":41700714053801,"sku":"TFM5700-BASE-6","price":1500.0,"currency_code":"USD","in_stock":true},{"title":"1\" 0-1200 SCFH (0-10 SCFM)","offer_id":41700698226857,"sku":"TFM5700-BASE-2","price":1500.0,"currency_code":"USD","in_stock":true},{"title":"1\" 0-3000 SCFH (0-50 SCFM)","offer_id":41700698259625,"sku":"TFM5700-BASE-3","price":1500.0,"currency_code":"USD","in_stock":true},{"title":"2\" 0-3000 SCFH (0-50 SCFM)","offer_id":41700698292393,"sku":"TFM5700-BASE-4","price":2000.0,"currency_code":"USD","in_stock":true},{"title":"2\" 0-10000 SCFH (0-166 SCFM)","offer_id":41700698325161,"sku":"TFM5700-BASE-5","price":2000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1571\/4565\/products\/NaturalGasFlowMeter0.5InchClean6_60086805-e313-485b-be27-6035075dd537.png?v=1629501026","url":"https:\/\/www.tacticalflowmeter.com\/products\/mems-thermal-mass-flow-meter-natural-gas","provider":"Tactical Flow Meter","version":"1.0","type":"link"}