Customized Electronic Pressure Controllers for OEM Use from Alicat Scientific

EPC family delivers responsive liquid or gas pressure control, tailored to application needs
Tucson, Arizona (December 7, 2016) – Alicat Scientific has added two new families of electronic pressure controllers specifically for high volume original equipment manufacture. The EPC family with single proportional valves, and EPCD family with dual valves, provide customized pressure control in embedded systems. The small footprint instruments respond quickly to upstream fluctuations to provide fast, accurate control of pressure in an economical, easy-to-integrate package. Alicat offers a choice of valves, valve orifices and process connections to fit customer specifications. EPC instruments are ideal for use in OEM gas chromatographs, fluidics dispensing for flow cytometry, and anywhere responsive pressure control is needed.

Alicat EPC

Alicat’s EPC family delivers responsive liquid or gas pressure control for high volume original equipment manufacture.

EPC and EPCD instruments have a 100 ms control response to still upstream pressure fluctuations in real time. NIST-traceable accuracy is 0.25% full-scale. The EPC family’s single proportional valve provides stable control of pressure in flowing applications, such as maintaining flow of carrier gas through the sample injection point in gas chromatographs. The EPCD features a second exhaust valve to provide efficient control of pressure in closed volumes, such as controlling the head space above a fluid for dispensing.

Alicat offers NPT, SAE, downport, and NeSSi process connections. Both digital (RS-232, RS-485, Modbus) and analog (0-5v, 0-10v, 4-20mA) communications are available to suit a range of end-user products. A choice in valve type and orifice allows for configuration to specific flow requirements for the best speed and stability.

 

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Accurate Mass Flow Control Improves Vacuum Coatings Results

Alicat’s MCE-Series and MCV-Series direct replacements for common industry mass flow controllers
Tucson, Arizona (October 28, 2016) – Alicat Scientific’s mass flow controllers ensure the optimal coating environment in vacuum chambers, maintaining product integrity in coating and sputtering processes. The MCE-Series and MCV-Series may be used to replace legacy and discontinued MKS instruments. Made to fit the same space as common industry mass flow controllers, both series are easy to integrate into existing systems. In use, they offer fast, accurate flow control for process uniformity and quality.

Alicat MCV MCE

Alicat’s MCE-Series and MCV-Series may be used as direct replacements for common industry mass flow controllers.

The Alicat MCE and MCV accurately control gas flow rates as low as 0-0.5 sccm full scale or as high as 0-20 slpm full scale with control response times of 50 to 100 milliseconds. Fast response times can greatly improve vacuum coating end products and help eliminate target poisoning. The integrated pneumatic shut-off valve is normally closed, affording positive shut-off of 1 x 10-9 atm-sccm/sec Helium max.

The MCE can be used as a replacement of the legacy Type MKS 1179A Mass-Flo®, while the MCV replaces the discontinued Type MKS 2179A Mass-Flo®. The Alicat mass flow controllers operate on universal 12-30 VDC supply, and Alicat will match any pre-existing pin out on 9-pin or 15-pin D-sub connectors, for easy replacement. The units can be mounted in any orientation, even upside-down, without recalibration, further simplifying installations.

Pre-programmed with calibrations for 98 gases, the MCE and MCV measure mass flow, volumetric flow, absolute pressure and temperature, with full temperature and pressure compensation. Units may be programmed directly through the instrument keypad or remotely via RS-232 (RS-485 also available).

The MCE and MCV use patented laminar flow differential pressure (DP) technology found in many Alicat Scientific flow instruments, are supplied with NIST traceable certification, and carry the CE mark.

* Type MKS 1179A Mass-Flo® and Type MKS 2179A Mass-Flo® are registered trademarks of MKS, Instruments, Inc. No affiliation, endorsement or sponsorship is stated or implied.

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High Pressure Mass Flow Controllers and Mass Flow Meters from Alicat Scientific

MQ and MCQ Series instruments operate on systems up to 320 PSIA
Tucson, Arizona (September 21, 2016) – Expanding its fast-response flow instrumentation product offerings, Alicat Scientific has added lines of high pressure mass flow meters and corresponding high pressure mass flow controllers. The MQ Series meters and MCQ Series mass flow controllers will operate in high pressure systems, up to 320 PSIA (22 bar). The new products ensure accurate and stable system performance, with 10 ms sensor response speeds and sub-100 ms control response times on the controllers.

Alicat Mass Flow Controllers and Meters

Alicat Scientific adds high pressure Mass Flow Controls and Meters capable of operating on systems up to 320 PSIA

The multivariate MQ Series meters and MCQ Series flow controllers measure mass flow rate, volumetric flow rates, and pressures. As a result, controllers can be set up for closed loop control of mass flow while also reporting pressure, or closed loop control of pressure while also reporting mass flow. Each instrument comes with a NIST-traceable calibration certificate demonstrating 2% of full scale accuracy.

Instruments come preloaded with up to 98 on-board gas calibrations. Alicat’s built-in COMPOSER™ gas mixing software can be used to compose up to twenty more custom blends using the standard gas list. Accuracy is virtually unaffected by change in gas type, and full-scale valve range is automatically recalibrated to maintain throughput ranges.

Alicat instruments provide multivariate interface displays, as well as data-rich serial and analog connections on every instrument, and can be used as either a stand-alone device or responsive integrated system component. Both digital (RS-232, RS-485, Modbus) and analog (0-5v, 0-10v, 4-20mA) communications can be customized to suit a range of end-user applications. Alicat offers NPT, SAE, downport, and NeSSi process connections. Choices in valve type and orifice size allow for configuring products for the best speed and stability.

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New Mass Flow Controller from Alicat Performs at High Volumes

Design overcomes limits of high flow rates to maximize speed and accuracy
Tucson, Arizona (August 23, 2016) – Alicat Scientific has engineered a new mass flow controller with its highest top flow rate suitable to a wider range of applications. The MCRH can accommodate flow rates of up to 5000 slpm, without compromising speed or precision of gas control. The highly stable controller manages industrial processes with more chaotic upstream fluctuations, such as control of industrial combustion gases, or mass flow into food and packaging processes.

Alicat, 5000 slpm

New Mass Flow Controller engineered to overcome limits of high flow rates.

The MCRH 5000 slpm precisely and rapidly controls mass flow rate, volumetric flow rate, or back pressure of gases in high flow processes. To overcome the poor turndown ratio and slow response of existing methods (such as interlinking a meter with an external valve) Alicat designed a new flow geometry. This new design accommodates the higher flow rates, with a low pressure drop of 14.1 psig at full scale. A dual valve design enables a fast 100 millisecond control response time without significantly raising instrument power requirements.

The instrument’s Gas Select firmware includes a library of up to 130 preloaded gases, user selectable in the field. The MCRH 5000 slpm can be programmed with the instrument’s push button menus and on-board display, or via remote connection. Digital communications options include RS-232 or RS-485 serial, Modbus, or PROFIBUS, as well as analog 0-5 Vdc, 1-5 Vdc, and 0-10 Vdc, or 4-20 mA.

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Alicat Adds 20SLPM Model to BASIS™ Mass Flow Controllers

Compact, reliable gas flow for OEM and process use

Tucson, Arizona (May 4, 2016) – Alicat Scientific has expanded its BASIS™ line of mass flow controllers, adding a new 20SLPM model to fit a wider range of applications including sparging into liquids, sample dilution, and many gas mixing applications. Specifically designed for original equipment manufacture and process integration, BASIS is Alicat’s smallest footprint instrument, providing fast, accurate control of gas flow rates in an economical, easy-to-integrate package. Ideal for use in OEM gas analyzers, automated gas mixing on process lines, and anywhere basic mass flow-only control is required, the BASIS family now offers models with full scale at 100 cubic centimeters per minute, 1 liter, and 20 liters per minute.

Alicat Adds 20SLPM Model to BASIS™ Mass Flow Controllers

Stocked and ready for quick ship on evaluation orders, all BASIS units are instantly on and performing at full accuracy in just 70 ms. A 100 ms control response enables BASIS to react in real time to upstream fluctuations. NIST-traceable accuracy is +/-(1.5% of the reading + 0.5% full- scale).

BASIS is available with the following multi-gas calibrations: Air, Ar, CO2, N2, O2, N2O (selectable over serial connection); He, H2 are also available in single-gas units. Multiple communications options – RS-485, RS-232 and Modbus Serial; and 0-5 Vdc analog – mean BASIS can be built into a broad range of end-user products. For process applications, the availability of analog and digital feedback allows for both PLC and PC control options.

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Alicat Releases Gas Select 6.0 Firmware for its Mass Flow Meters and Controllers

New user-selectable engineering units, better control and faster data with new control software
Tucson, Arizona (March 31, 2016) – Alicat Scientific has updated its Gas Select™ firmware for Alicat mass flow meters, mass flow controllers and pressure controllers. Gas Select 6.0 improves user control and data speed, adding features that enable users to make changes to instruments without a factory visit.

Alicat Gas Select

Alicat’s Gas Select 6.0 firmware offers better control and faster data.

Gas Select firmware comes standard on all Alicat mass flow meters and controllers, and includes a library of up to 130 preloaded gases, referenced to NIST REFPROP 9. The firmware drives the flexible user interface for controlling instrument operation.

A new feature of version 6.0 is user-selectable engineering units. Units of pressure, temperature, volume, standard volume or mass can all be changed in the field. With this capability, flow instruments can be realigned to correlate with other calculations in the process stream, or even repurposed for new applications.

Also new with the update is the ability to enter real STP for operating conditions, rather than choosing from a few pre-loaded common standards. New flexibility to filter data line queries down to essential parameters results in faster, more frequent data updates. Setpoint input is now accepted either at the local panel or through the serial port, without first switching the input source. Both sources are active full time. The local panel is also easier to read, with the primary parameter that is displayed center screen now clearly labeled.

The new firmware is compatible with standard Alicat instruments—flow meters, flow controllers and pressure controllers—serial number 80,000 and higher. Gas Select 6.0 is installed on new instruments shipped after March 3rd, 2016. Existing units can be factory upgraded by request during annual recalibration.

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BASIS™ Mass Flow Controllers Provide Reliable Gas Flow Control for OEM and Process Use

Compact units deliver fast, accurate flow rate control
Tucson, Arizona (June 10, 2015) – Alicat Scientific has added a new line of mass flow controllers specifically for original equipment manufacture and process integration. BASIS™ is Alicat’s smallest footprint instrument, providing fast, accurate control of gas flow rates in an economical, easy-to-integrate package. BASIS is ideal for use in OEM gas analyzers, automated gas mixing on process lines, and anywhere basic mass flow-only control is required.

Alicat BASIS

BASIS™ provides fast, accurate control of gas flow rates in an economical, easy-to-integrate package.

Stocked and ready for quick ship on evaluation orders, all BASIS units are ready to control process flows at full accuracy in just 70 ms. A 100 ms control response enables BASIS to react in real time to upstream fluctuations. NIST-traceable accuracy is +/-(1.5% of the reading + 0.5% full-scale).

BASIS is available with the following multi-gas calibrations: Air, Ar, CO2, N2, O2, N2O (selectable over RS-485); He, H2 are also available in single-gas units. Dual communications – RS-485 Serial and 0-Vdc analog – mean BASIS can be built into a range of end-user products. For process applications, the availability of analog and digital feedback allows for both PLC and PC control options.

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Alicat Brings Mass Flow Control to Industrial Modbus Networks

Mass flow meters and controllers now available with Modbus-RTU communications protocol
Tucson, Arizona (March 27, 2014) – Alicat Scientific, Inc. now offers Modbus-RTU communications protocol as an option on all of its mass flow meters, mass flow controllers and pressure controllers. Modbus-RTU is an enduring industrial networking standard that allows communication among hundreds of devices on a single network.

Alicat Modbus

Alicat mass flow meters and controllers now available with Modbus-RTU communications protocol

Alicat’s new Modbus implementation brings the company’s signature laminar differential pressure-based measurement and 50-ms proportional control speeds to existing industrial Modbus-RTU networks. The Modbus protocol outputs all of the mass flow or pressure controller’s data, including: mass flow, volumetric flow, pressure, temperature, selected gas calibration, setpoint and totalized flow. Users may send commanded setpoints, gas selections and register changes to the Alicat meter or controller using a Modbus-enabled computer of PLC.

This Modbus offering may be paired with either Alicat’s standard multi-drop RS-232 connectivity or the optional RS-485 for greater data integrity over longer distances. Physical connector choices include 8-pin mini-DIN, 9-pin D-sub and 15-pin D-sub, which are available in a variety of pinout configurations for easy drop-in replacement of older industrial units. All Alicat instruments are backed by NIST-traceable calibration, comprehensive technical support and a lifetime warranty.

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Alicat Develops First Bidirectional Flow and Pressure Controller

MCD-Series dual-valve mass flow controllers manage flow both into and out of a process
Tucson, Arizona (December 11, 2013) – Alicat Scientific, Inc.’s new MCD-Series Bidirectional Mass Flow and Pressure Controllers precisely and rapidly control mass flow rate, volumetric flow rate and absolute pressure of gases in two flow directions. This flexible dual-valve design is the first of its kind, accommodating demanding process control requirements in gas analysis, leak testing and environmental applications.

Alicat MCD

Alicat’s MCD-Series bidirectional mass flow controllers manage multiple process parameters.

With a dedicated inlet valve and a dedicated exhaust valve, a single MCD can control upstream and downstream flows, as well as positive pressure or backpressure in both open and closed systems. It’s ideal for processes that require bidirectional flow control and/or pressure control, as well as for pressure control in closed systems, while also monitoring mass flow. User-selectable control modes allow users to switch quickly between mass flow, volumetric flow and absolute pressure measurement and control for maximum flexibility.

Alicat’s patented, internally compensated laminar differential pressure measurement yields linear results over a very wide flow range. The resulting volumetric and mass flow data is fully compensated for changes in pressure and temperature and corrected for the user’s standard temperature and pressure (STP). Available 0.4% accuracy +0.2% full-scale repeatability and less than 100ms control response times ensure top performance of gas flow processes.

The MCD-Series’ large integrated display allows users to access setpoint control and PID valve tuning without need for a computer. While it can operate as a standalone device, it also comes with both analog and RS-232 digital communications to integrate easily into process control instrumentation. It comes with 30 field selectable calibrations, and is available in full-scale mass flow rates from -0.5/+0.5 sccm to -3000/+3000 slpm. All units are backed by NIST-traceable calibration, comprehensive technical support, and a lifetime warranty.

To learn more about Alicat’s MCD-Series Bidirectional Mass Flow Control, visit alicat.com/mcd, or call +1 520 290-6060. To see an “Ask Alicat” video featuring the MCD, visit http://www.youtube.com/watch?v=6jPHKCqh-iw.

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Alicat Develops First Bidirectional Flow and Pressure Controller

MCD-Series dual-valve mass flow controllers increase experimental possibilities
Tucson, Arizona (December 11, 2013) – Alicat Scientific, Inc.’s new MCD-Series Bidirectional Mass Flow and Pressure Controllers precisely and rapidly control mass flow rate, volumetric flow rate and absolute pressure of gases in two flow directions. This flexible dual-valve design is the first of its kind, allowing researchers to replace multiple dedicated instruments and make rapid changes to experimental setups.

Alicat MCD

Alicat’s MCD-Series bidirectional mass flow controllers replace multiple instruments for laboratory use.

User-selectable control modes allow users to switch quickly between mass flow, volumetric flow and absolute pressure measurement and control for maximum flexibility in laboratory use. With a dedicated inlet valve and a dedicated exhaust valve, a single MCD can control upstream and downstream flows, as well as positive pressure or backpressure in both open and closed systems. As a universal control element, it can be used to monitor or control a number of parameter combinations, making it useful in a variety of configurations.

Alicat’s patented, internally compensated laminar differential pressure measurement yields linear results over a very wide flow range. The resulting volumetric and mass flow data is fully compensated for changes in pressure and temperature and corrected for the user’s standard temperature and pressure (STP). Available 0.4% accuracy +0.2% full-scale repeatability and less than 100ms control response times ensure top performance of gas flow processes.

The MCD-Series’ large integrated display allows users to access setpoint control and PID valve tuning without need for a computer. It comes with 30 field selectable calibrations, and is available in full-scale mass flow rates from -0.5/+0.5 sccm to -3000/+3000 slpm. All units are backed by NIST-traceable calibration, comprehensive technical support, and a lifetime warranty.

To see an “Ask Alicat” video featuring the MCD, visit http://www.youtube.com/watch?v=6jPHKCqh-iw.

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