Mass Flow Meters and Controllers:

Mass flow meters and controllers measure flow rate in units of mass or volume per units of time (e.g., pounds per minute). They are designed for use with gases, liquids, steams, or slurries. 
Mass Flow Meters and Controllers: Learn more

Product Name Notes
Standard Mass Flow Controller -- Model 3660 Series `The KOFLOC Standard Mass Flow Controller MODEL 3660 SERIES is designed as a general-purpose gas mass flow controller, with focus on low-cost, versatility and customization.
Digital Mass Flow Controller -- Model D3660 Series Based on the analog Model 3660, the sensor has beenmade into a high-accuracy digital type.The accuracy and response have been improved exponentially as compared with conventional models, and this model...
Gas Mixture Device, GM Series The GM Series gas mixer consists of KOFLOC's mechanical precision flow control valve and float type flowmeter. The built-in constant flow unit provides precise gas flow control even at an...
Auto Pressure Controller -- Model 9100 Series The KOFLOC Auto pressure Controller MODEL 9100 SERIES is based on a type of mass flow controller that controls pressure using a pressure sensor. Capable of controlling pressure at either...
Purge Flowmeter -- Model RK1000 Series The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1000 SERIES is a small, high-performance variable area flow meter combined with a selection of needle valves, with focus on...
Purge Flowmeter -- Model RK 1050 Series The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1050 SERIES is a small, high-performance variable area flow meter combined with a selection of needle valves, with focus on...
Purge Flowmeter With Needle Valve -- Model RK1600R Series The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1600R SERIES is a small variable area flow meter combined with a selection of needle valves, with focus on cost...
Purge Flowmeter With Needle Valve -- Model RK1650 Series The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1650 SERIES is a small variable area flow meter combined with a selection of needle valves, with focus on low-cost,...
Compact Reed Switch Flow Meter -- Model RK1930 Series
Compact Reed Switch Flow Meter -- Model RK1935 Series
The KOFLOC Compact Reed-Switch Variable Area Flow Meter RK1930 & RK1935 SERIES are a small variable area flow meters with an electrical reed-switch for measuring fluids, designed with focus on...
Low-cost Flow Meter For Air And Nitrogen -- Model RK 1150 Series The KOFLOC Flow Meter for Air and Nitrogen, RK1150 SERIES is a low-cost variable area flow meter, designed especially for use with air or nitrogen, with focus on dependability, ease-of-use...
Flow Meter -- Model 2503F Series The KOFLOC Flow Meter with Integrated Pressure Regulator MODEL 2503F SERIES is a precision variable area flow meter, combined with a precision pressure regulator valve, with focus on accuracy, ease-of-use...
Flow Meter With Flow Controller -- Model 2504FR Series The KOFLOC Flow Meter with Integrated Pressure Regulator MODEL 2504FR SERIES is a precision variable area flow meter, combined with a precision pressure regulator valve, with focus on accuracy, ease-of-use...
Flowmeters With Photosensor -- Model RK1812 Series
Flowmeters With Photosensor -- Model RK1814 Series
The KOFLOC Flow Meter with Photosensor MODEL RK1812 & RK1814 SERIES are high-grade variable area flow meters with photosensors for alarm output, based on the MODEL RK1200 & RK1400 SERIES,...
Flow Meter For Gas Mixing -- Model RK120XM Series The KOFLOC Gas Mixing Flow Meter MODEL RK120XM SERIES is a device optimized for gas mixing that combines 2 to 4 RK1200 SERIES High Precision Variable Area Flowmeter, with focus...
High-grade Flow Meter -- Model RK1200 Series The KOFLOC High-Grade Flow Meter with Precision Needle Valve MODEL RK1200 SERIES is a high-end variable area flow meter, combined with a precision needle valve, with focus on accuracy, ease-of-use...
High-grade Flow Meter -- Model RK1250 Series The KOFLOC High-Grade Flow Meter with Precision Needle Valve MODEL RK1250 SERIES is a high-end variable area flow meter, combined with a precision needle valve, with focus on accuracy, ease-of-use...
High-grade Mass Flow Controller -- Model 3200 Series The KOFLOC High-Grade Mass Flow Controller MODEL 3200 SERIES is the successor to the well-received 3910 SERIES. It is designed as the high-performance, industrial-grade gas mass flow controller, with focus...
High-grade Mass Flow Meter -- Model 3100 Series The KOFLOC High-Grade Mass Flow Meter MODEL 3100 SERIES is the new improved precision mass flow meter based on the MODEL 3200 SERIES MFC. It is designed as the high-performance,...
Thermal Mass Flow Controller -- Model 5100 Series The KOFLOC High-Grade Metal Sealed Mass Flow Controller MODEL 5100 SERIES is the top-of-the-line mass flow controller and is the successor to the well-received 3440 SERIES. It is designed as...
High Pressure Flowmeter -- Model RK1400 Series The KOFLOC High-Precision Flow Meter MODEL RK1400 SERIES is the top-of-the-line variable area flow meter that can measure very minute flows accurately. It is designed with focus on precision, reliability...
High Precision Flowmeter -- Model RK1450 Series The KOFLOC High-Precision Flow Meter MODEL RK1450 SERIES is the top-of-the-line variable area flow meter that can measure very minute flows accurately. It is designed with focus on precision, reliability...
Small Karman Vortex Flow Meter -- FM0101 Series
Small Karman Vortex Flow Meter -- FM0102 Series
Small Karman Vortex Flow Meter -- FM0103 Series
Small Karman Vortex Flow Meter -- FM0105 Series
The KOFLOC Karman Vortex Flow Meter FM0101/0102/0103/0105 SERIES is a small Karman flow meter for measuring liquids, designed with focus on reliability, durability and simplicity.
Small Karman Vortex Flow Meter -- FM3101
Small Karman Vortex Flow Meter -- FM3102
Small Karman Vortex Flow Meter -- FM3103
Small Karman Vortex Flow Meter -- FM3104
The KOFLOC Karman Vortex Flow Meter FM31 SERIES is a small Karman flow meter for measuring ultra pure water, designed with focus on reliability, durability and simplicity.
Large Capacity Flowmeters -- Models RK2000 Series
Large Capacity Flowmeters -- Models RK2005 Series
Large Capacity Flowmeters -- Models RK2006 Series
The KOFLOC Large Capacity Flow Meters MODEL RK2000/RK2005/RK2006 SERIESES are compact, low-cost variable area flow meters for measuring large flows, with focus on flexibility, reliability and durability.
Low-cost Digital Mass Flow Meter -- Model D3810 Series The KOFLOC Low-Cost Digital Mass Flow Meter MODEL D3810 SERIES is based on the well-received 3810 SERIES but with the new improved sensor. It is a low-cost mass flow meter...
Low-cost Flowmeter -- Model RK1700 Series The KOFLOC Low-Cost Flow Meter MODEL RK1700 SERIES is a SUS316, inexpensive variable area flow meter covering flow ranges between 1 to 50 l/min, with focus on cost reduction, quick...
Low-cost Mass Flow Meter with Indicator -- Model 3810DS Series The KOFLOC Low-Cost Mass Flow Meter MODEL 3810DS SERIES is based on the well-received 3810 SERIES. It is a low-cost mass flow meter with an optional needle valve, which can...
Low-cost Mass Flow Sensor -- Model 3810S Series The KOFLOC Low-Cost Mass Flow Sensor MODEL 3810S SERIES is the Kofloc's bestseller item. It is a low-cost mass flow sensor designed to function as an internal component of a...
Metal Sealed Mass Flow Meter/Controller -- Model 5400 Series The KOFLOC Low-Cost Metal-Sealed Mass Flow Controller/Meter MODEL 5400 SERIES is a cost-effective and high-performance gas mass flow controller / mass flow meter, with focus on dependability, low-leak and non-welding...
Flowmeter With Bellows Needle Valve -- Model RK1500 Series The KOFLOC Low-Leak Flow Meter with Bellows Needle Valve MODEL RK1500 SERIES is a high-grade variable area flow meter for vacuum, high-pressure, high temperature and toxic applications, with focus on...
Mass Flow Controller/ Meter -- Model 8500 Series The KOFLOC Mass Flow Controller and Mass Flow Meter with Indicator, MODEL 8500 SERIESis designed as a cost-effective gas mass flow controller / mass flow meter, with focus on dependability,...
Multiple Flow Meter With Needle Valve -- Model RK120X Series The KOFLOC Multiple-Tube Flow Meter with Needle Valve MODEL RK120X SERIES is a device that combines 2 to 4 RK1200 SERIES High Precision Variable Area Flowmeter, with focus on accuracy,...
Multiple Flow Meter -- Model RK140X Series The KOFLOC Multiple-Tube Flow Meter with Needle Valve MODEL RK140X SERIES is a device that combines 2 to 4 RK1400 SERIES High Precision Variable Area Flowmeter, with focus on accuracy,...
Precision Flow Meter For Laboratory -- Model RK 1350 Series The KOFLOC Precision Flow Meter with Tripod MODEL RK1350 SERIES is a high-precision variable area flow meter on a tripod, based on the MODEL RK1250 SERIES, with focus on accuracy,...
Reed Switch Flowmeters -- Model RK1970 Series
Reed Switch Flowmeters -- Model RK1975 Series
Reed Switch Flowmeters -- Model RK1976 Series
The KOFLOC Reed-Switch Variable Area Flow Meter RK1970, RK1975 & RK1976 SERIES are small variable area flow meters with an electrical reed-switch for measuring fluids, designed with focus on low-cost,...
Simplified Flexible Flow Meter -- Model RK1100 Series The KOFLOC Simplified Structure Flow Meter with Exchangeable Flow-Tube MODEL RK1100 SERIES is an accurate variable area flow meter with replaceable flow-tube. It is designed with focus on precision, reliability...
Standard Mass Flow Meter -- Model 3760 Series The KOFLOC Standard Mass Flow Meter MODEL 3760 SERIES is a compact, low-cost mass flow meter based on the MODEL 3660 SERIES MFC, designed to be the standard model for...
Super-Compact Mass Flow Controller -- Model 7200MC The MODEL 7200MC is an ultimately downsized modelequipped with a newly-developed chip type thermal sensor.Compared with conventional products, this new type flowmeter ensures substantially improved response and repeatability.
Chip Sensor-equipped Mass Flow Meter -- Model 7800 The Model 7800 is a general-purpose mass flow meterequipped with a newly developed chip type thermal sensor.Maintaining the quick response and high repeatability ofthe chip type thermal sensor, this model...
Digital Mass Flow Sensor -- Model D7100 Unlike the MODEL 7100NL, the MODEL D7100 uses a digital circuit for high-precision temperature compensationand high-precision linearization compensation.Characterized by high-precision operation and low voltageoperation at 5 VDC, this model can...
Gas Mixture Device, GB Series Using a mass-flow controller, the GB Series gas blender provides accurate, stable gas blending without being affected by ambient temperature, pressure or other disturbance elements. The GB Series models are...
Acrylic Resin Flow Meter -- Model RK400 Series A variety of flow ranges, For measurement of water, low price
Acrylic Resin Flow Meter -- Model RK200 Series Compact design, low price, quick delivery
Large Capacity Mass Flow Meter -- Model HFM-200W/LS Series Double bypass structure w/ laminar flow element enables large flow measure
Large Capacity Flow Meter -- Model RK1950AP Series Float receiver functions also as a joint for secure piping.
Acrylic Resin Flow Meter -- Model RK500 Series Lightweight and easy flow reading, application to water
Large Capacity Mass Flow Meter -- HFM-301 Series Quicker response than conventional models
Large Capacity Mass Flow Controller -- HFC-303 Series The 2-stage control valve can control large flows of up to 1,000
Precision Flow Meter For Laboratory -- Model RK4400 Series The precision needle valve model 2412 is used for easy, fine adjustment
Vision 2000 Series -- 2F66
Vision 2000 Series -- 4F22
Vision 2000 Series -- 4F44
Vision 2000 Series -- F16.5
Very small in size and very light in weight