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Alicat Scientific
PRODUCT&TECHNICAL GUIDE

PRODUCT&TECHNICAL GUIDE

Product catalog summary

Overview: This document is a technical guide for Alicat Scientific's flow and pressure measurement instruments, detailing their innovative features, specifications, and applications. Alicat products are renowned for their lifetime warranty, quick response times, and high accuracy.

Key Features:

Four-in-one functionality: Mass flow, volumetric flow, pressure, and temperature measurement.
Fast control response time of ≤ 50 milliseconds.
High accuracy with options for enhanced precision.
Instant operation without warm-up time.
Gas Select™ feature with 30 selectable gases.
Multiple communication options including RS-232, RS-485, PROFIBUS, and DeviceNet.
Simple installation with no need for straight pipe runs.
Operates on standard 12-24 Vdc power supply.
Full function LCD display with optional backlit TFT display.

Technical Specifications:

Mass flow instruments use a discrete absolute pressure sensor and a temperature sensor in the laminar flow region.
Flow rate data is updated 1,200 times per second for real-time measurements.
Utilizes the Poiseuille Equation for volumetric flow calculations and applies corrections for mass flow rate determination.

Product Range:

Mass Flow Meters and Controllers for various applications including aggressive gases.
Portable Flow Meters and Pressure Gauges.
Digital Pressure Gauges and Controllers for gas and water.
Options for customization to meet specific customer needs.

Applications:

Used in diverse fields such as mining, space programs, environmental monitoring, and medical devices.
Specific applications include sputtering flow control, fuel cell testing, leak checking, and bioreactor outgassing.

Customer Service and Support:

Commitment to customer satisfaction with product modifications available.
Quick delivery and low-cost recalibration services.
ISO 9001 certified with NIST traceable certification.

Company Background:

Alicat Scientific, founded in 1991, is based in Tucson, Arizona, and is part of Halma p.l.c.
Focuses on providing innovative solutions and customer support.

Specifications and Features: All controllers feature a field-adjustable PID loop that can be tuned via a push-button interface or digital communication to match process requirements. Alicat instruments offer multiple analog outputs, including RS-232, with optional RS-485, PROFIBUS, and DeviceNet outputs. A tare function is available for zeroing the meter, either automatically or remotely.

Mass Flow Controllers: These controllers can manage absolute pressure or volumetric flow, reducing component and design costs. They operate on +7-30 Vdc, with varying amperage requirements based on flow range. The turndown ratio is 200:1 for gas instruments and 50:1 for liquid instruments.

Customization and Gas Selection: Alicat offers customization options, including special engineering and gas mixture calibration. The Gas Select™ feature allows selection from 20 gases and 10 mixtures, with the ability to calibrate for specific mixtures.

Software and Connectivity: Flow Vision™ SC software facilitates connection and communication with multiple Alicat units, supporting RS-232/RS-485 functions like gas selection and data logging. Flow Vision™ MX software enables gas blending using mass flow controllers.

Additional Features: Devices can be customized with various connectors and pressure drop configurations. They support vacuum applications and alternate standard temperature and pressure settings. Bidirectional flow readings and alternate units of measure are available.

Totalizer and Alarms: Flow meters and controllers can include a Totalizer option for tracking total flow, with customizable resolution and rollover settings. Alarms can be programmed for specific conditions, with outputs on designated pins.

Mass Flow Meters: The M Series meters offer rapid response times and high accuracy, with multi-gas selectivity and a 200:1 turndown ratio. They measure multiple parameters, including mass flow, volumetric flow, pressure, and temperature, with optional alarm set-points.

Specifications: Alicat mass flow meters are designed for quick stabilization, requiring less than one second to reach stability compared to the 10-30 minutes needed by thermal type mass flow meters. They operate on a wide voltage range (7 to 30 Vdc) and have low power requirements (0.04 Amps). The meters are ISO 9001 certified and come with a lifetime warranty.

Communication and Software: All Alicat products include both digital and analog communication capabilities. They are compatible with RS-232, RS-485, PROFIBUS, and DeviceNet protocols. Alicat provides free LabView drivers and Flow Vision SC software for enhanced data management and control.

Calibration and Customization: Alicat meters allow users to change standard condition parameters without factory recalibration, saving time and costs. They offer high accuracy calibration options and can be customized for specific gases and applications.

Portable Solutions: Alicat offers portable calibration units and flow meters, which are self-contained and easy to transport. These units are powered by common batteries or AC/DC adapters and are ideal for field technicians and industrial applications.

High Pressure and Aggressive Gases: The MQ series is designed for high-pressure applications, while the MS and MCS series are suitable for aggressive gases, featuring stainless steel construction and selectable elastomeric materials.

Applications: Alicat meters are used for verifying gas chromatograph flow rates, system leak checking, and maintaining equipment settings. They are also suitable for high-performance liquid chromatography flow calibration.

Key Features: The meters have a turndown ratio of 200:1, a response time of 10 milliseconds, and can measure and control flow rates up to 128% of full scale. They are equipped with digital displays and offer multiple gas selections.

Specifications: The document outlines the specifications for Alicat's mass flow meters and controllers. The supply voltage ranges from 7 to 30 Vdc, with a supply current of 0.040 Amp. The devices are sensitive to mounting attitude, with a 0% tare after installation, and have a warm-up time of less than 1 second. Wetted materials include 303 & 302 Stainless Steel, Viton®, Silicone RTV, Glass Reinforced Nylon, and Aluminum.

Mechanical Specifications: The mass flow meters are available in various configurations, with full-scale flow ranging from 0 to 3000 SLPM. The mechanical dimensions and process connections vary depending on the flow range, with pressure drops specified for each configuration.

Accuracy and Performance: The standard accuracy is ± (0.8% of Reading + 0.2% of Full Scale), with a high accuracy option available. The operating range is from 1/2% to 100% full scale, with a turndown ratio of 200:1. The typical response time is 10 milliseconds, and the operating temperature range is −10 to +50 ºCelsius.

Output Signals: The devices offer digital mass flow, volumetric flow, pressure, and temperature outputs, with options for RS-232, RS-485, PROFIBUS, or DeviceNet. Analog mass flow outputs are available in 0-5Vdc, 0-10Vdc, or 4-20mA.

MS Series for Aggressive Gases: The MS Series is designed for use with aggressive gases, maintaining similar specifications to the M Series but with different wetted materials and a turndown ratio of 100:1. Compatible gases include Nitric Oxide, Nitrogen Trifluoride, Ammonia, Chlorine, Hydrogen Sulfide, Sulfur Dioxide, Dimethyl Ether, and Propylene.

Mass Flow Controllers: Alicat's mass flow controllers feature fast response times, multi-gas selectivity, and field-adjustable PID. They measure mass flow, volumetric flow, absolute pressure, and temperature, offering high accuracy and a 200:1 turndown ratio. The controllers operate with low power consumption, making them suitable for limited power applications.

Additional Features: The controllers can operate without a control set-point input signal and maintain the set-point even after a power outage. They are available with ATEX/CSA Class 1 division 2 certification for hazardous environments and support PROFIBUS, DeviceNet, and RS-485 serial output.

Overview: The document provides detailed technical specifications and descriptions for various Alicat mass flow controllers, including the MCP, MCQ, MCRQ, and MCV models. These controllers are designed for precise flow and pressure control in various applications, including high-pressure environments.

Specifications:

MCP Controllers: Available in ranges from 0 to 50 SLPM FS through 0 to 250 SLPM FS, with a maximum pressure of 80 PSIG.
MCQ and MCRQ Units: Calibrated for high-pressure applications with optimal performance at pressures between 30 PSIA and 320 PSIA.
MCV Mass Flow Controller: Features a response time of 50 to 100 milliseconds, flow range from 0.5 sccm to 20 slpm, and accuracy of +/- 0.8% of reading +/- 0.2% full scale. It includes a pneumatic shut-off valve for positive shut-off and is pre-programmed with calibrations for 30 gases.

Technical Features:

All models are ISO 9001 certified and come with NIST traceable certification and CE mark.
Controllers offer digital and analog communication options, including RS-232, RS-485, PROFIBUS, and DeviceNet.
Operating temperature ranges from -10 to +50 degrees Celsius, with a humidity range of 0 to 100% non-condensing.
Materials used include stainless steel, Viton, silicone RTV, and glass-reinforced nylon, among others.

Mechanical Specifications:

Dimensions and process connections vary by model, with options for different fittings to minimize dead volume.
Pressure drop specifications are provided for each flow range, with options for lower pressure drops available upon request.

Recommendations: For specialized applications, particularly those involving high pressures or specific material requirements, consultation with Alicat is recommended to ensure optimal product selection and performance.

Technical Data Overview for Alicat Mass Flow Controllers and Pressure Devices

1. Specifications and Features
The document provides detailed specifications for Alicat's MCV, MCP, MCS, and MCR series mass flow controllers, as well as digital pressure gauges and controllers. Key specifications include:

Flow ranges from 0 to 0.5 SCCM up to 3000 SLPM.
Accuracy of ±0.8% of reading + 0.2% of full scale, with a high accuracy option available.
Operating temperature range from -10 to +50°C.
Maximum pressure of 80 PSIG.
Input/output options include digital and analog signals, with RS-232, RS-485, PROFIBUS, and DeviceNet compatibility.

2. Mechanical and Material Specifications
The controllers are constructed with materials such as stainless steel, Viton, and glass-reinforced nylon. Mechanical dimensions vary by model, with process connections available in various configurations to suit different applications.

3. Pressure Device Capabilities
Alicat's pressure devices are designed for a range of applications, including:

Pressure and vacuum measurement and control.
High accuracy and repeatability with fast response times.
Compatibility with aggressive gases and various units of measure.

4. Integration and Operation
The devices are easily integrated into OEM systems and can operate independently without a control set-point input signal. They feature a small footprint and multiple communication platforms, making them suitable for various industrial applications.

5. Applications and Recommendations
The document highlights applications in gas blanketing, biomedical research, and differential pressure measurement. It recommends consulting Alicat engineers for specific applications involving water or other fluids due to viscosity differences.

6. Contact and Certification
Alicat is ISO 9001 certified, and the document provides contact information for feedback and technical assistance.

PC3 & PCR3 Series: External Pressure Port Controllers
PC3 Series controllers are designed for precise pressure control at remote points, commonly used for leak checking. They can function as both vacuum gauges and positive pressure controllers. The PCR3 Series is suitable for high flow rates, utilizing the Alicat LRV control valve.

PCR Series: High Flow Pressure Controllers
The PCR Series is designed for high flow applications, featuring a low pressure drop valve for efficient control. It offers ±0.25% full scale accuracy and fast response, suitable for both positive pressure and vacuum applications.

PCM Series: Manifold Pressure Controllers
Custom-built for OEM applications, the PCM Series can control multiple pressures simultaneously. It simplifies plumbing and consolidates electronic communications, making it ideal for precise fluidic movement control in biomedical and semiconductor industries.

PCD Series: Dual Valve Pressure Controllers
PCD controllers maintain precise pressure in closed systems with minimal gas loss, crucial for applications like leak tests and pressure loading in fluid dispensers. They offer internal valve adjustments to enhance processing efficiency.

PC Series: External Ion Gauge Vacuum Controllers
Designed for the vacuum coating industry, these controllers manage extreme vacuum conditions using data from an ion gauge vacuum sensor.

Technical Specifications
Specifications cover accuracy, repeatability, response time, operating temperature, and material compatibility. Customization options are available for specific application needs.

PS Series: Pressure and Vacuum Gauges
PS instruments are compatible with aggressive gases and maintain similar specifications to P Series devices. They can also be used with compatible liquids.

PCS, PCRS, and PCDS Series: Pressure and Vacuum Controllers
These controllers are designed for aggressive gases, maintaining specifications similar to PC, PCR, and PCD Series devices. They can handle a variety of gases and are suitable for fluid applications.

Technical Specifications Overview

Measurable and Controllable Parameters: The devices are capable of measuring up to 102.4% of full scale and controlling up to 102.4% of full scale. Burst pressure is rated at 3 times the full scale.
Electrical Specifications: Supply current peaks at 0.250 Amp, with a supply voltage range of 7-30 Vdc for most series, and 24-30 Vdc for PCRS series. Input/output signals include RS-232, RS-485, PROFIBUS, and DeviceNet.
Mechanical Specifications: Dimensions and process connections vary by series, with PS series gauges and PCS/PCRS controllers having different sizes and connection types.
Materials: Wetted materials include 316LSS, FFKM (Kalrez), Viton, EPDM, Buna, and Neoprene, with additional materials for PCS and PCRS series.

Operating Specifications

Accuracy and Repeatability: Standard accuracy is ±0.25% full scale, with a high accuracy option of ±0.125% full scale. Repeatability is ±0.08% full scale.
Response Time: Adjustable response time is ≤100 milliseconds.
Temperature Range: Operating temperature is from -10 to +50 degrees Celsius.

Flow and Pressure Solutions

Laminar Flow Technology: Alicat uses differential pressure laminar flow technology for liquid flow measurement, offering high accuracy and low flow capabilities.
Multiple Parameter Measurement: Devices can measure both water flow and temperature, with optional pressure measurement.
No Warm-Up Time: Devices are ready for accurate measurement and control within one second of power-up.

Customization and Support

Customization Options: Alicat offers a range of customization options, including gas mixtures, pressure drops, and bi-directional flow readings.
Support and Warranty: Alicat provides lifetime warranty and technical support, with options for recalibration and quick service turnaround.

Compliance and Communication

Certifications: ISO 9001 certified, with ATEX and CSA approval for hazardous environments.
Communication Options: Available with RS-232, RS-485, PROFIBUS, and DeviceNet communications.

Remote Display and Electronics: The digital display allows real-time monitoring of flow, temperature, and pressure data. It is suitable for OEMs, embedded systems, gas panels, fuel cell test stations, leak detection systems, and artificial environments. The Remote Electronics option enables installation in high-temperature environments, supporting ambient temperatures up to 85°C and gas temperatures up to 100°C.

NeSSI Compatibility: Alicat instruments are available in NeSSI compatible designs, catering to applications requiring such devices.

IPC (Integrated Potentiometer Control): This option allows easy adjustment of the set-point on Alicat controllers without external signals, facilitating accurate flow control.

BB9 Multi-Drop Box: This device allows multiple flow and pressure devices to connect to a single RS-232/RS-485 port, now with USB interface. It supports up to nine devices, with additional boxes daisy-chained for more connections.

Accessories: Includes a range of fittings, filters, adapters, and power supplies. The PVPS24U power adapter supports global use with interchangeable AC plugs.

Sputtering Flow Control: Alicat controllers provide precise control for sputtering processes, maintaining proper gas pressures to prevent target poisoning and ensuring fast response times.

External Ion Gauge Vacuum Control System: Designed for vacuum coating industries, this system uses an ion gauge vacuum sensor for precise control of extreme vacuum pressures.

Fuel Cell Applications: Alicat controllers offer precise control to protect SOFC stacks from thermal damage during startup, with fast response to fuel gas supply transients.

Leak Testing: Alicat's mass flow meters and pressure controllers provide fast, accurate leak testing, with capabilities to resolve very low flow rates.

Overview: The document provides a comprehensive guide on various applications and specifications of Alicat Scientific's flow and pressure solutions. It covers the use of mass flow meters and controllers in different industrial processes, emphasizing their accuracy, versatility, and integration capabilities.

Leak Testing: The document discusses the importance of minimizing temperature effects during leak testing, especially for larger volumes where allowable leakage is near zero. It highlights the challenges of using pressure decay methods due to temperature-induced flow variations.

Gas Chromatography: Alicat's portable mass flow meter is highlighted for its ability to verify critical aspects of gas chromatograph performance, including mass and volumetric measurements, and pressure verification. Key features include Gas Select™ for 30 gases, high accuracy, repeatability, and fast response times.

Flame and Burner Monitoring: The flow meter measures fuel flow to burners, aiding in energy content regulation and system diagnostics. It supports real-time appliance development and reliability testing with digital and analog signal outputs.

TIG Welding: The document explains the TIG welding process and the role of mass flow controllers in regulating shielding gas flow. It provides specific flow rate requirements for different materials and highlights the resistance of Alicat's controllers to electrical noise.

Robotic Painting: Accurate air flow control is crucial for paint application quality in robotic painting. Alicat's instruments provide multiple parameter outputs for integration into PLC systems, enhancing operational efficiency and reducing costs.

Bioreactor Outgassing: Alicat's micro-flow mass meter improves accuracy and automation in gas analysis from decomposing organic components, offering high repeatability and simplified data collection.

Product Sparging: The document describes sparging processes and the importance of maintaining constant flow rates using mass flow controllers. It lists various gases used in sparging and the suitability of Alicat's controllers for these applications.

Fluid Dispensing: Precise fluid delivery is achieved through pressure control using Alicat's dual valve pressure controller, applicable in semiconductor and biotech industries.

Mixed Gas Re-Metering: Alicat's mass flow meters support mixed gas re-metering using the Wilke Semi-empirical method for viscosity calculations, providing accurate flow measurements in changing gas mixtures.

Product Features: Alicat instruments offer multiple functionalities, fast response times, and easy integration. They support a wide range of options without additional software, ensuring low sensitivity to ambient changes.

Distributor Information: The document lists various distributors for Alicat Scientific products across different regions, including the United States, Australia, Brazil, Canada, China, Czech Republic, Finland, France, Germany, India, Ireland, Israel, Italy, Japan, Netherlands, New Zealand, Portugal, Russia, Singapore, South Africa, South Korea, Spain, Sweden, Taiwan, and the United Kingdom. Each entry includes the company name, address, contact number, website, and email.

Product and Technical Guide: Alicat Scientific emphasizes the importance of considering the cost of ownership when purchasing products. They highlight their affordable pricing, quick delivery, excellent technical support, low-cost recalibration, and short repair turnaround times. Alicat offers a lifetime warranty and a wide range of standard features and options.

Patents and Compliance: Alicat's wide-range laminar flow element is protected under U.S. Patent Number 5,511,416. All instruments come with NIST traceable certification and comply with the Low Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC, carrying the CE Mark.

Contact Information: Alicat Scientific is located at 7641 N Business Park Drive, Tucson, Arizona, USA. They can be contacted via phone at 520-290-6060 or 888-290-6060, and fax at 520-290-0109. Their website is alicatscientific.com.

Catalog excerpts

INNOVATIVE FLOW&PRESSURE SOLUTIONS Product & Technical Guide

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | FINALLY, FLOW INSTRUMENTS THAT LAST A LIFETIME! All Alicat™ measurement and control products come with a LIFETIME WARRANTY! Alicat™ Instruments — Simply the Most Standard Features ►► ►► ►► ►► ►► ►► ►► ►► ►► ►► ►► ►► ►► ►► ►► Four instruments for the price of one! Mass flow, Volumetric flow, Pressure & Temperature. Control pressure while monitoring mass flow! Fast: ≤ 50 millisecond control response (typical). Accurate: ± (0.8% of reading + 0.2% of full scale) standard. ± (0.4% of reading + 0.2% of full scale) available for most...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | ALICAT RAISES CUSTOMER SERVICE TO THE HIGHEST LEVEL IF YOU CAN ENVISION IT, WE WILL DO OUR BEST TO BUILD IT WE WILL MODIFY OUR PRODUCTS TO FIT YOUR NEEDS IN THE MOST TIME EFFICIENT AND COST EFFECTIVE MANNER IN THE INDUSTRY OUR SUCCESS IS BUILT ON YOUR SATISFACTION 3 ISO 9001 Certified | (520) 290-6060 | Fax (520) 290-0109 | AlicatScientific.com

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | A licat Scientific has been designing and manufacturing precision instruments since its beginning in 1991. We believe our success is due to more than just selling great instruments but to our policy of providing affordable solutions to complex control and measurement problems as well. Based in Tucson, Arizona, Alicat is an intellectual warehouse of engineers and technical support staff educated and tested in a variety of disciplines. These include degrees and field experience in areas such as aerospace, astrophysics, atmospheric...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | ALICAT TECHNOLOGY Alicat Laminar Mass Flow devices address many of the drawbacks to classic orifice plate type volumetric flow measurement as a basis for mass flow calculations. They also address limitations of thermal flow technology in regards to hot-wire drift, micro‑flow calculations and response time. Alicat mass flow meters and mass flow controllers operate on the same principles as many larger, laminar transfer standards, but in a small, easily integrated package. Theory of Operation: Volumetric Flow Base The operating principle...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | ADVANTAGES & BENEFITS Warm-Up Time Less than one second, ready in an instant! Speed of Response & Control 10 milliseconds to read! 50-100 milliseconds to control! Gas Select™ You can use your device with any of 30 precalibrated gases from the gas select menu on the display or via digital communication. You no longer need to purchase a different meter for each gas (page 8). Dynamic Digital Display w/ Push Button Interface All standard Alicat instruments include a display with a push button membrane switch. All process parameters...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | THIRTY GAS SELECT™ STANDARD All Alicat gas flow meters and controllers come with Gas Select™ and can be used with any of 20 common gases and 10 gas mixtures! Selectable Gases Selectable Gas Mixtures Acetylene 75% Argon / 25% CO2 Air 90% Argon / 10% CO2 Argon 92% Argon / 8% CO2 iso-Butane 98% Argon / 2% CO2 normal-Butane 75% CO2 / 25% Argon Carbon Dioxide 75% Argon / 25% Helium Carbon Monoxide 75% Helium / 25% Argon Ethane 90% Helium / 7.5% Argon / 2.5% CO2 Ethylene (Praxair - Helistar® A1025) Helium 90% Argon / 8% CO2 / 2% Oxygen...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | FLOW VISION™ SC Flow Vision™ SC is an intuitive software interface to help your test cycles run smoother and shorten your engineering time! Devices Flow Vision™ SC lets you connect to and communicate with multiple Alicat Scripts units simultaneously. Now you can view virtual displays, control tabs, charts and data lines from every connected Alicat device on the same screen. Data Logs Flow Vision™ SC supports all RS-232 or RS-485 Serial communication Charts functions, including: gas selection, tareing, set-point control, valve tuning...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | CUSTOMIZATION There are many ways our units may be tailored to fit your specific application, typically for a low fee. Our engineers are available to assist you with any questions you may have regarding the optimal configuration for your application. Please call us or contact an engineer at [email protected] for further information. Gas Mixtures Available on M, MC, and MCR units, Alicat Scientific can calibrate to a wide variety of complex gas mixtures involving up to eight gas constituents. The percentage of each gas is...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | Totalizer Flow meters and controllers can be ordered with the Totalizing option. This option adds an additional mode screen that displays the total flow (normally in the units of the main flow screen) that has passed through the meter or controller since the last time the Totalizer was cleared. The counter range is six digits (leading zeroes suppressed). At the time of order, you specify the resolution of the count. For instance, if a resolution of 1/100ths of a liter is specified for a meter, which is totalizing in liters, the...

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INNOVATIVE FLOW & PRESSURE SOLUTIONS PRODUCT & TECHNICAL GUIDE | MASS FLOW METERS Alicat Scientific’s M Series Mass Flow Meters Ready in an Instant to Respond in 10 milliseconds or Less! The innovative features built into every Alicat mass flow meter are there to save you time and money. Unlike traditional mass flow meters, Alicat mass flow meters utilize laminar flow and differential pressure technology. The result is an extremely fast, accurate meter with no warm-up time and unparalleled versatility. Multi-gas Selectivity All Alicat flow meters come with Gas Select™. They are calibrated and...

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PRODUCT&TECHNICAL GUIDE

PRODUCT&TECHNICAL GUIDE

Catalog excerpts

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