Flow and Pressure Instrument Model Guide
Alicat Scientific’s ever growing list of flow and pressure solutions may seem daunting at first, but fear not! This guide is intended to broadly describe the function of our most popular lines of products and direct you where to find the model that best suits your needs.
Need to measure gas flow?
No matter what you’re measuring, Alicat has your back. Here are some common applications that our customers use our meters for:
For measuring standard flow:
- M-Series Laminar DP meters
- CODA Coriolis mass flow meters
- measure true mass flow, density, and temperature for gases of unknown variable or composition
For measuring low pressure:
- Whisper MW-Series mass flow meters
- measure mass flow and volumetric flow rates when there is little available system pressure, for pressure drop as low as 0.07 PS
- Whisper MWB-Series
- Portable version with all the same capabilities and battery life up to 14 hours
For measuring high pressure:
- MQ–Series Laminar DP meters
- simultaneously measure mass and volumetric flow rates, pressure, and temperature for operating pressures up to 320 PSIA
- CODA Coriolis mass flow meters
- measure true mass flow rate for operating pressures up to 4000 PSIA.
For measuring corrosive gases:
- MS-Series mass flow meters
- simultaneously measure mass flow, volumetric flow, gas pressure, and gas temperature of 128+ gases, including 30+ corrosives and refrigerants
- MBS-Series mass flow meters
- Portable version with all the same capabilites and battery life up to 14 hours
For portable calibration, verification and validation:
- MB Series portable mass flow meters
- Highly accurate portable mass flow meters used as transfer standards, or to verify gas flow in processes, high pressure, low pressure, and corrosive options
- PCU-Series mass flow calibration kit
- Case-carried calibration standard unit that combines up to 3 high-accuracy flow meters, equipped with totalizers
For dedicated air monitoring:
- FP-25-Series calibrator kit
- A device engineered to specifically audit/calibrate particulate matter samplers for air quality management. The FP-25 is compatible with most PM air monitors
For explosive gases or hazardous zones:
- IS Max™-Series intrinsically safe mass flow meters
- ATEX, IECEx, and North American DEKRA certified mass flow meters built for safe operation in hazardous zones. Measures volumentric flow, mass flow, absolute pressure, gague pressure, barometric pressure, humidity, and up to 7 other parameters
For compact processes:
- Basis™-Series compact mass flow meters
- palm-sized MEMs thermal mass flow meters, able to switch between 9 gases and run sophisticated data capturing scripts. Full scale flow ranges between 100 SCCM to 100 SLPM
Still unsure?
Selecting a flow meter can be an intensive process—but you don’t have to do it alone! Contact us today to get assistance in finding what works best for you
Need to control gas flow?
Alicat’s forte—precise, responsive, and data-driven mass flow control. Whether you’re operating under high pressure, managing corrosive gases, or fine-tuning bioreactor processes, Alicat controllers deliver fast, stable, and accurate flow control for virtually any gas application
Need to control standard flow
- MC-Series Laminar DP mass flow controllers
- rapidly reach setpoints and maintain stable control of mass flow, volumetric flow, or pressure for 98+ gases
- CODA KC-Series Coriolis mass flow controllers
- true mass flow rate of a variety of process fluids
Need to control in low pressures
- Whisper MCW-Series low pressure drop controllers
- rapidly reach setpoints and maintain stable control of mass flow, volumetric flow, or pressure when there is little available system pressure, with pressure drops as low as 0.07 PSI.
- Whisper MCDW-Series bidirectional mass flow controller
- capabilities of the MCW, alongside the ability to control flow in both directions
Need to control in high pressures
- MCQ-Series laminar DP mass flow controllers
- control mass flow, volumetric flow, or pressure for 98+ gases for operating pressures up to 320 PSIA
- CODA KC-Series Coriolis mass flow controllers
- Coriolis controllers control true mass flow rate for operating pressures up to 4000 PSIA
Need to control corrosive gases
- MCS-Series mass flow controllers
- rapidly reach setpoints and maintain stable control of mass flow, volumetric flow, or pressure for 128+ gases, including 30+ corrosives and refrigerants
Need to control explosive gas or in hazardous zone
- IS-Max™-Series intrinsically safe mass flow controllers
- ATEX, IECEx, and North American DEKRA certified mass flow controllers built for safe operation in hazardous zones. Control and measure volumentric flow, mass flow, absolute pressure, gague pressure, barometric pressure, humidity, and up to 7 other parameters
Need bidirectional flow control
- MCD-Series bidirectional mass flow controllers
- The ability to flow into a closed volume while controlling flow in the opposite direction to exhaust presents unique applications for vacuum, purging, and complex flow systems. Corrosive and low pressure varients
Need bioreactor flow control
- MC-Series and BIO-Series controllers
- Robust, materials compliant controllers, including USP Class VI or USPVI elastomers, designed for scalability and long-term stability
Need to control vacuum and SEMI
- Alicat MCV-Series, MCE-Series, and SFF-Series vacuum and SEMI controllers
- Alicat vacuum controllers are preconfigured to easily fit, and work, in vacuum processes—like CVD, ALD, PVD and coating. These instruments measure and control gas flow from 0.5 SCCM full scale to 20 SLPM full scale. Equipped with VCR fittings, they match end-to-end SEMI standard MFCS for easy drop-in
- Alicat vacuum controllers are preconfigured to easily fit, and work, in vacuum processes—like CVD, ALD, PVD and coating. These instruments measure and control gas flow from 0.5 SCCM full scale to 20 SLPM full scale. Equipped with VCR fittings, they match end-to-end SEMI standard MFCS for easy drop-in
Still unsure?
Let us help! Our flow and pressure experts can help you choose the perfect controller for your process. Contact us today for more information.
Need to measure pressure?
No matter what kind of pressure you’re measuring, Alicat offers a range of precise, reliable options to fit your setup. From differential to absolute and gauge measurements, there’s a model built for your process.
Differential Pressure?
- P-Series differential pressure transducers
- Measure the differential pressure between any two points in your process with exceptional accuracy and fast response. For gauge measurements, simply leave the downstream port open to atmosphere and use it as a dead-ended gauge pressure transducer.
- PB-Series portable differential pressure transducers
- A handheld, battery-powered version of the P-Series with all the same capabilities—perfect for on-site verification or field calibration.
- PS-Series corrosive-compatible transducers
- Built for corrosive or reactive gases, the PS-Series delivers the same high performance and measurement stability as the P-Series, with added protection for demanding environments.
Absolute or gauge pressure?
- P-Series absolute and gauge pressure transducers
- Accurately measure absolute or gauge pressure for all non-corrosive gases, without introducing a dead-ended obstruction to your system.
- PB-Series portable pressure transducers
- Compact and battery-operated, ideal for portable testing and validation work.
- PS-Series corrosive-compatible transducers
- For processes involving corrosive gases, the PS-Series ensures reliable readings and long-term durability.
- EP-Series small electronic pressure meters
- Fast and accurate electronic pressure gauges in compact, highly customizable packages for easy integration in OEM applications.
Hazardous zones?
- IS-Pro™-Series intrinsically safe pressure meters
- ATEX, IECEx and North American DEKRA certified pressure meters for hazardous locations. Full scale range of 1 – 3000 PSI, able to measure differential absolute, and gauge pressure
Still unsure?
Selecting the right pressure transducer depends on your system, media, and environment. Contact us today, and our team will help match you with the best-fit model for your application.
Need to control pressure?
From flowing systems to sealed volumes, Alicat’s pressure controllers deliver fast, stable, and precise control for virtually any gas process. Whether you’re managing differential pressure, vacuum systems, or OEM integration, there’s a controller built for your exact needs.
Standard use
- PC-Series pressure controllers
- Control absolute or gauge pressure of all non-corrosive gases with exceptional speed and accuracy. Ideal for general-purpose pressure control in a wide range of applications
- PCS-Series corrosive-compatible controllers
- For systems flowing corrosive gases, the PCS-Series offers the same precision and responsiveness as the PC-Series—engineered with chemically resistant materials for long-term durability
Closed volume control
- PCD-Series dual valve pressure controllers
- Use two proportional valves to precisely control absolute or gauge pressure of gases within closed or dead-ended volumes. Vacuum and corrosive resistant models available
Indirect control
PC3-Series isolated pressure controllers (for flowing processes)
Features a pressure sensor isolated from the flow path—allowing you to measure absolute or gauge pressure at one point in your system while controlling flow at another. Perfect for complex or sensitive flow paths.
PC3S-Series corrosive-compatible controllers
For processes involving corrosive or reactive gases, the PC3S-Series maintains full control and measurement integrity with chemically resistant construction.
PCD3-Series isolated pressure controllers (for closed volumes)
Equipped with two proportional valves and a physically isolated pressure sensor, the PCD3-Series maintains absolute or gauge pressure with precision inside closed or dead-ended volumes.
Pumped vacuum
IVC-Series integrated vacuum controllers
Combine pressure measurement and control in one compact unit. Each IVC integrates a capacitance diaphragm gauge to measure and rapidly control the pressure of pumped vacuum processes. Available with inline or isolated vacuum sensors to fit your specific setup.
Hazardous zones
IS-Pro™-Series pressure controllers
Compact OEM solutions
EPC-Series OEM pressure controllers (for flowing processes)
Fast, accurate, and compact—these controllers deliver precise gauge or absolute pressure control in a highly customizable package ideal for OEM integration.
EPCD-Series OEM pressure controllers (for closed volumes)
Use two proportional valves to achieve stable and accurate control of absolute or gauge pressure within closed or dead-ended systems, all in a compact footprint.
Still unsure?
Need help selecting the right controller for your process? Our experts can guide you to the best-fit solution for your flow and pressure requirements. Contact us today to get started.
Need to measure liquid flow?
From precise laboratory measurement to industrial verification, Alicat’s liquid flow meters provide accurate, real-time data for a wide variety of fluids. Whether you’re working with water, solvents, or complex mixtures, our meters deliver confidence and clarity in every reading.
Standard use
- CODA™ Coriolis mass flow meters
- Measure true mass flow rate and density of a wide range of liquids with exceptional accuracy and repeatability. Ideal for applications requiring stable performance across changing temperatures, pressures, or fluid properties.
- L-Series liquid flow meters
- Simultaneously measure volumetric flow rate, liquid pressure, and liquid temperature in real time. Designed for water and other liquids including methanol, isopropanol, ethanol, ammonia, dimethyl ether, isopentane, thiophene, iso-octane, and heptane.
Portable verification, validation, or calibration
- LB-Series portable liquid flow meters
- Compact and easy to transport, LB-Series meters measure liquid volumetric flow rates anywhere you need them—perfect for on-site calibration, process verification, or validation work.
Unknown or variable fluid composition
- CODA™ Coriolis mass flow meters
- Accurately measure true mass flow and density even when the chemical composition of your process fluid is unknown or changing. CODA meters operate independently of viscosity and density variations, ensuring dependable results every time.
Still unsure?
Whether you’re measuring standard liquids, variable compositions, or calibrating in the field, Alicat has a liquid measurement solution to fit your process. Contact us today for expert help selecting the right meter for your needs.
Need to control liquid flow?
From microfluidic research to high-volume chemical transfer, Alicat’s liquid flow controllers deliver fast, stable, and accurate control for a wide range of fluids. Whether you’re handling known compositions, mixed liquids, or unpressurized systems, Alicat provides complete solutions for liquid precision and performance.
Standard use
- CODA™ Coriolis liquid mass flow controllers
- Maintain true mass flow rate and density control for a wide range of liquids with exceptional accuracy and responsiveness. Ideal for processes requiring reliable performance and stable operation under dynamic conditions.
- LC-Series liquid flow controllers
- Rapidly reach setpoints and maintain stable control of liquid volumetric flow or pressure. Compatible with water and various process liquids including methanol, isopropanol, ethanol, ammonia, dimethyl ether, isopentane, thiophene, iso-octane, and heptane.
Easily generate and control liquid flow
- CODA Coriolis Liquid Pump Systems and Controller
- An all-in-one solution for generating and precisely controlling liquid flow rates. The system uses a Coriolis liquid meter to control pump speed while measuring true mass flow. Read and control both mass flow and volumetric flow rates—independent of liquid composition. The durable, anti-corrosive design makes the CODA Liquid Pump System ideal for precision dispensing, liquid transfer, chemical research, microfluidics, and pharmaceutical applications.
Unknown or variable composition
- CODA Coriolis liquid mass flow controllers
- When your process fluid’s composition is unknown or changing, CODA controllers deliver accurate, stable mass flow control—independent of viscosity or density variations, perfect for slurries
Unpressurized liquids
- CODA Coriolis liquid mass flow controllers
- Maintain consistent, accurate mass flow control even under unpressurized or gravity-fed conditions where precise flow regulation is critical.
Still unsure?
Whether you’re controlling standard liquids, complex mixtures, or precision dosing systems, Alicat offers a solution built for your process. Contact us today to find the ideal liquid flow controller or pump system for your application.
Need an OEM or custom engineered setup?
OEM engineering
- BASIS™ BC-Series
- Small footprint, high-accuracy MEMS thermal sensor with fast valve control.
- Custom engineered devices and manifolds
- Work directly with Alicat engineers to create customized OEM flow and pressure solutions for your process
Need gas mixing solutions?
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