Flow Meter for Compressed Air and Gas

VA 521 - Compact Inline flow meter for compressed air and other gas types No inlet section necessary – integrated flow straightener – sensor unit removable The newly developed VA 521 combines modern digital interfaces for connection to energy monitoring systems with a small, compact design. The VA 521 is always used when many machines (compressed air consumers) are to be integrated into an energy monitoring network. Flow measuring ranges VA 521 (max version 185 m/s) for compressed air (ISO 1217: 1000 mbar, 20 °C) Measuring section Thread Measuring range full scales L B H1 H A1 A     m3/h (cfm) mm mm mm mm mm mm DN 15 G 1/2" 90 50 135 55 50 109.65 25 20 DN 20 G 3/4" 170 100 135 55 50 109.65 26 20 DN 25 G 1" 290 170 135 55 50 109.65 33 25 DN 32 G 1 1/4" 530 310 135 80 80 215.45 35 25 DN 40 G 1 1/2" 730 430 135 80 80 215.45 36 25 DN 50 G 2" 1195 700 135 80 80 215.45 44 30 For other gases same as Argon (Ar) , Carbon dioxide (CO2), Nitrous oxide (N2O) and Natural gas (NG) please contact us. Advantages of VA 521:Compact, small design - for use in machines, behind maintenance unit on the end user All interfaces are freely programmable via the display Modbus-RTU output 4...20 mA analogue output for present flow Pulse output total flow (counter reading), electrically isolated. Optional: M-Bus, Ethernet interface or PoE NEW: As option, integrated pressure sensor

VA 525 - Compact inline flow sensor for air and nitrogen No inlet section necessary – integrated flow straightener – optional pressure sensor The innovative VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design. The VA 525 is always used when many machines (compressed air consumers) have to be integrated into an energy monitoring network. Reduce your energy costs and increase your sustainability with the VA 525 compact sensor. Monitor the consumption of individual machines and analyze your leakage flows with just one measuring device. Flow measuring ranges VA 525 (max version 185 m/s) for compressed air (ISO 1217: 1000 mbar, 20 °C) Measuring section Thread Measuring range full scales L B H1 H A     m3/h (cfm) mm mm mm mm mm DN 8 G 1/4" 105 I/min 3.6 135 55 50 109.1 15 DN 15 G 1/2" 90 m3/h 50 135 55 50 109.1 20 DN 20 G 3/4" 170 m3/h 100 135 55 50 109.1 20 DN 25 G 1" 290 m3/h 170 135 55 50 109.1 25 DN 32 G 1 1/4" 530 m3/h 310 135 80 80 139.1 25 DN 40 G 1 1/2" 730 m3/h 430 135 80 80 139.1 25 DN 50 G 2" 1195 m3/h 700 135 80 80 139.1 30 Advantages of VA 525:Compact, small design - for use in machines, behind maintenance unit on the end user Optionally with conventional analogueue signals (4…20 mA and pulse) or digital interfaces such as Modbus-RTU, Ethernet (also PoE), M-Bus All interfaces are freely programmable via the display

Inline Flow meter VA 520 - thread Available items Inline Flow meter VA 520 - thread measuring section: Product Description Order No. VA 520 flow meter with 1/2" measuring section    0695 1521 VA 520 flow meter with 3/4" measuring section    0695 1522 VA 520 flow meter with 1" measuring section    0695 1523 VA 520 flow meter with 1 1/2" measuring section    0695 1524 VA 520 flow meter with 2" measuring section   0695 1525 1/2" 3/4" 1" 1 1/2" 2     l/min (cfm) l/min (cfm) l/min (cfm) l/min (cfm) l/min (cfm) Reference conditions DIN 1945 / ISO 1217: 20 °C, 1000 mbar Air Low-Speed (50 m/s) 20 (14) 45 (25) 75 (45) 195 (115) 320 (190) Standard (92,7 m/s) 45 (25) 85 (50) 145 (85) 365 (215) 600 (350) Max (185 m/s) 90 (50) 175 (100) 290 (170) 730 (430) 1195 (700) High -Speed (224 m/s) 110 (60) 215 (125) 355 (210) 885 (520) 1450 (850) Setting to DIN 1343: 0 °C, 1013.25 mbar Nitrogen (N2) Low-Speed (50 m/s) 20 (13) 40 (25) 70 (40) 180 (105) 295 (175) Standard (92,7 m/s) 40 (20) 80 (45) 135 (75) 335 (195) 550 (320) Max (185 m/s) 80 (45) 160 (95) 270 (155) 670 (395) 1100 (645) High-Speed (224 m/s) 100 (55) 195 (115) 325 (190) 815 (475) 1330 (780) Setting to DIN 1343: 0 °C, 1013.25 mbar Oxygen (O2) Low-Speed (50 m/s) 20 (13) 45 (25) 75 (40) 185 (115) 305 (180) Standard (92,7 m/s) 40 (25) 80 (45) 140 (80) 345 (205) 570 (335) Max (185 m/s) 85 (50) 165 (95) 280 (165) 695 (410) 1140 (670) High-Speed (224 m/s) 105 (60) 205 (120) 340 (200) 845 (495) 1380 (810) Advantages of the VA 520 flow meter: Measurement of mass flow rate, output of standard volume flow rate High accuracy for both small and large flows Pressure and temperature compensated by the thermal mass flow principle Easy installation and removal of the sensor, the integrated measuring section can remain in the line for cleaning or recalibration of the sensor and can simply be closed with a sealing cap No moving parts, therefore low maintenance Vanishingly low pressure loss due to vanishingly low blockage of the diameter Can be used for compressed air and non-corrosive gases such as nitrogen, oxygen, argon, helium, etc. Flow measuring ranges VA 520 (max version 185 m/s) for compressed air (ISO 1217: 1000 mbar, 20°C) Connection thread Outer pipe Inner pipe L L1 H H1 A   mm mm mm mm mm mm mm R 1/2" 21.3 16.1 300 210 176.4 165.7 20 R 3/4" 26.9 21.7 475 275 179.2 165.7 20 R 1" 33.7 27.3 475* 275 182.6 165.7 25 R 1 1/2" 48.3 41.9 475* 275 186.9 165.7 25 R 2" 60.3 53.1 475* 275 195.9 165.7 30 * Attention: shortened inlet section. Please observe the recommended minimum inlet section (length = 15 x inner diameter) on site! How inline flow meter VA 520 - thread can effect on ISO air quality chart? The ISO air quality chart provides guidelines for the maximum allowable levels of contaminants in compressed air systems based on the ISO 8573 standard. The ISO 8573 standard specifies purity classes for different contaminants such as particles, water, and oil in compressed air systems. When it comes to an inline flow meter like the VA 520 with a thread connection, the thread type and size can have an impact on the air quality in a compressed air system. The thread connection of the flow meter can potentially introduce contaminants into the system if not properly sealed or if the thread material is not compatible with the air quality requirements. It is important to ensure that the thread connection of the flow meter is properly sealed and does not introduce contaminants into the system. Additionally, the material of the thread should be compatible with the air quality requirements to prevent any contamination issues. When selecting an inline flow meter like the VA 520 for a compressed air system, it is essential to consider the thread connection type, size, and material to ensure that it does not negatively impact the air quality according to the ISO 8573 standard. It is recommended to consult the manufacturer's specifications and guidelines to ensure that the flow meter meets the air quality requirements of the system.

Flow meter for compressed air and gases VA 500 with display Items of Flow meter for compressed air and gases VA 500 with dispaly   Product Description Order No. VA 500 consumption probe in the basic version: standard (92.7 m/s), probe length 220 mm, without display   0695 5001 Display   Z695 5000 Special features volume flow measurement Including temperature measurement RS 485 interface, Modbus-RTU as standard Integrated display for m3/h and m3 Applicable from 1/2" to DN 1000 Easy installation under pressure 4...20 mA analogue output for m3/h or m3/min Pluse output for m3 or M-bus (optional) Inner diameter adjustable by means of keys Flow meter can be reset Adjustable by means of keypad on the display: Reference conditions, °C and mbar, 4...20 mA scaling, pluse weight Flow measuring ranges VA 500 for compressed air (ISO 1217: 1000 mbar, 20°C)  Inside diameter of pipe VA 500 Standard (92.7 m/s) VA 500 Max. (185.0 m/s) VA 500 High-Speed (224.0 m/s) Inch mm   Measuring range full scale Measuring range full scale Measruting range full scale       m3/h (cfm) m3/h (cfm) m3/h (cfm) 1/2" 16.1 DN 15 759 l/min 26 1516 l/min 53 1836 l/min 64 3/4" 21.7 DN 20 89 m3/h 52 177 m3/h 104 215 m3/h 126 1" 27.3 DN 25 148 m3/h 86 294 m3/h 173 356 m3/h 210 1 1/4" 36.0 DN 32 266 m3/h 156 531 m3/h 312 643 m3/h 378 1 1/2" 41.9 DN 40 366 m3/h 215 732 m3/h 430 886 m3/h 521 2" 53.1 DN 50 600 m3/h 353 1197 m3/h 704 1450 m3/h 853 2 1/2" 68.9 DN 65 1028 m3/h 604 2051 m3/h 1207 2484 m3/h 1461 3" 80.9 DN 80 1424 m3/h 838 2842 m3/h 1672 3441 m3/h 2025 4" 110.0 DN 100 2644 m3/h 1556 5278 m3/h 3106 6391 m3/h 3761 5" 133.7 DN 125 3912 m3/h 2302 7808 m3/h 4594 9453 m3/h 5563 6" 159.3 DN 150 5560 m3/h 3272 11096 m3/h 6530 13436 m3/h 7907 8" 200.0 DN 200 8785 m3/h 5170 17533 m3/h 10318 21229 m3/h 12493 10" 250.0 DN 250 13744 m3/h 8088 27428 m3/h 16141 33211 m3/h 19544 12" 300.0 DN 300 19814 m3/h 11661 39544 m3/h 23271 47880 m3/h 28177 Comparison of Flow meter with display and without display The main difference between a flow meter VA 500 with display and a flow meter VA 500 without display is the presence of a display screen on the device. The flow meter VA 500 with display will have a built-in screen that shows real-time flow rate readings, totalized flow volume, and possibly other relevant information. This makes it easier for the user to monitor and track the flow measurements directly on the device. On the other hand, the flow meter VA 500 without display will not have a built-in screen, so the user will need to connect it to an external display or monitoring system to view the flow rate and other data. This may require additional equipment and setup but can be a cost-effective option for applications where a separate display is already available. In summary, the main difference is the presence or absence of a display screen on the flow meter itself, which affects how the flow data is displayed and accessed by the user.

Chart recorder DS 400 Monitoring and recording flow rates in real-time with Chart recorder DS 400 from CS instruments Germany The CS Instrument GmbH DS 400 chart recorder is a cutting-edge device that combines advanced technology with user-friendly features to provide accurate and reliable measurements of various parameters, including flow rate. Equipped with a high-quality flow meter, the DS 400 is capable of monitoring and recording flow rates in real-time, allowing users to track and analyze data with precision. The chart recorder's intuitive interface and customizable settings make it easy to set up and operate, while its durable construction ensures long-term reliability in industrial environments. With its comprehensive range of functions and capabilities, the DS 400 from CS Instruments is a versatile and efficient tool for monitoring flow rates and other critical parameters in a variety of applications. Product Description Order No. DS 400 - paperless recorder with graphic display and touch screen operation Digital (Z500 4003) 0500 4000 D Standard equipment of DS 400 USB interface 3.5" graphic display with touch screen Integrated mains unit for supply of the sensors 4...20 mA output of all connected active sensors Pulse output (for total consumption) in case of flow sensors 2 alarm relays (pot.-free switch-over contacts, max. 230 V, 3 A) Software options: Integrated webserver Mathematics calculation function Totaliser function Hardware options: Integrated data logger Ethernet / RS 485 interface Additional sensor inputs (digital or analogueue) selectable

Chart recorder DS 400 with Flow meter VA 500 Data logger DS 400 with suitable Flow meter sensor Product Description Order No. DS 400 - paperless recorder with graphic display and touch screen operation Digital (Z500 4003) 0500 4000 D VA 500 consumption probe in the basic version: standard (92.7 m/s), probe length 220 mm, without display   0695 5001 Standard equipment of DS 400 USB interface 3.5" graphic display with touch screen Integrated mains unit for supply of the sensors 4...20 mA output of all connected active sensors Pulse output (for total consumption) in case of flow sensors 2 alarm relays (pot.-free switch-over contacts, max. 230 V, 3 A) Chart recorder DS 400 web server Web server The new webserver with substantially extended features for the chart recorders DS 500 and DS 400 is available with immediate effect. Users can thereby get direct access to their measured data worldwide (current and historic ones) and display them on their smart phone, tablet or computer. The new webserver can be ordered as an option with each stationary DS 500/400, but also for their mobile devices. For using the features of the webservers, the DS 500/400 must be set up with it’s own IP address within the corporate network. The web server in the DS 500/400 provides a website, which displays the measured values. This website can be accessed from smartphones, tablets and computers via the respectively installed browser. Advantage: This is all possible without the installation of any new or additional software. Flow meter for compressed air and gases VA 500 Thermal mass flow sensor for compressed air and gases Recording and reducing energy costs and CO2 emissions while increasing the sustainability of any compressed air system. With our VA500 it is possible to monitor your consumption and analyze your leakage flows with just one measuring device. Due to its design, it is also ideal for mobile measurements.

Inline Flow meter cs instruments va 520 Available items for Inline Flow meter VA 520 sensors Product Description Order No. VA 520 flow meter with integrated DN 25 measuring section with flange   0695 2523 VA 520 flow meter with integrated DN 50 measuring section with flange   0695 2525 VA 520 flow meter with integrated DN 65 measuring section with flange   0695 2527 VA 520 flow meter with integrated DN 80 measuring section with flange   0695 2528 Application-technological features of the flow meters VA 520 Digital interfaces such as Modbus-RTU, Ethernet (PoE) and M-Bus enablement systems, building management systems, PLC, ... Easy and affordable installation Units freely selectable via keys on the display m3/h, m3/min, l/min, l/s, kg/h, kg/min, kg/s, cfm Compressed air counter up to 1,999,999,999 m3 can be reset to "zero" via keypad Analog output 4...20 mA, pluse output (electrically isolated) High measuring accuracy even in the lower measuring range (ideal for leakage measurement)   Negligibly small loss of pressure Calorimetric measuring principle, no additional pressure and temperature measurement necessary , no mechanically moved parts  Comprehensive diagnostic functions can be read out on the display or remote access via Modbus-RTU such as exceeding max./min values °C, calibration cycle, error codes, serial number. All parameters can be read out and changed via Modbus Flow measuring ranges VA 520 (max version 185 m/s) for compressed air (ISO 1217: 1000 mbar, 20°C) Flange DIN EN 1092-1 Measuring section Outer pipe mm Inner pipe Measuring range full scales L L1 H H1 ØD ØK n x ØL     mm m3/h (cfm) mm mm mm mm mm mm   DN 25 33.7 27.3 290 170 475 275 223.2 165.7 115 85 4 x 14 DN 50 60.3 53.1 1195 700 475* 275 248.2 165.7 165 125 4 x 18 DN 65 76.1 68.9 2050 1205 475* 275 268.2 175.7 185 145 8 x 18 DN 80 88.9 80.9 2840 1670 475* 275 275.7 175.7 200 160 8 x 18 * Attention: shortened inlet section. Please observe the recommended minimum inlet section (length = 15 x inner diameter) on site. Monitoring the compressed air with a flow meter A flow meter for compressed air and gas can be considered a type of compressed air monitoring equipment. Flow meters are used to measure the flow rate of compressed air or gas moving through a system, providing valuable data on the volume of air being consumed, the efficiency of the system, and potential leaks or inefficiencies. By installing a flow meter in a compressed air system, operators can monitor and track the usage of compressed air, identify fluctuations in flow rates, and detect abnormalities that may indicate leaks or other issues. This information can help optimize system performance, improve energy efficiency, and reduce operational costs. Flow meters for compressed air and gas come in various types, including thermal mass flow meters, vortex flow meters, and differential pressure flow meters. Each type has its own set of features and capabilities, allowing operators to choose the most suitable option based on their specific monitoring needs and system requirements. In summary, using a flow meter for compressed air and gas as part of a compressed air monitoring system can provide valuable insights into system performance, energy consumption, and overall efficiency, helping operators make informed decisions to optimize their operations and reduce costs.

Flow meter for compressed air and gases VA 500 Items of Flow meter for compressed air and gases VA 500 Product Description Order No. VA 500 consumption probe in the basic version: standard (92.7 m/s), probe length 220 mm, without display   0695 5001 Thermal mass flow sensor for compressed air and gases Recording and reducing energy costs and CO2 emissions while increasing the sustainability of any compressed air system. With our VA500 it is possible to monitor your consumption and analyze your leakage flows with just one measuring device. Due to its design, it is also ideal for mobile measurements.   Flow measuring ranges VA 500 for compressed air (ISO 1217: 1000 mbar, 20°C)  Inside diameter of pipe VA 500 Standard (92.7 m/s) VA 500 Max. (185.0 m/s) VA 500 High-Speed (224.0 m/s) Inch mm   Measuring range full scale Measuring range full scale Measruting range full scale       m3/h (cfm) m3/h (cfm) m3/h (cfm) 1/2" 16.1 DN 15 759 l/min 26 1516 l/min 53 1836 l/min 64 3/4" 21.7 DN 20 89 m3/h 52 177 m3/h 104 215 m3/h 126 1" 27.3 DN 25 148 m3/h 86 294 m3/h 173 356 m3/h 210 1 1/4" 36.0 DN 32 266 m3/h 156 531 m3/h 312 643 m3/h 378 1 1/2" 41.9 DN 40 366 m3/h 215 732 m3/h 430 886 m3/h 521 2" 53.1 DN 50 600 m3/h 353 1197 m3/h 704 1450 m3/h 853 2 1/2" 68.9 DN 65 1028 m3/h 604 2051 m3/h 1207 2484 m3/h 1461 3" 80.9 DN 80 1424 m3/h 838 2842 m3/h 1672 3441 m3/h 2025 4" 110.0 DN 100 2644 m3/h 1556 5278 m3/h 3106 6391 m3/h 3761 5" 133.7 DN 125 3912 m3/h 2302 7808 m3/h 4594 9453 m3/h 5563 6" 159.3 DN 150 5560 m3/h 3272 11096 m3/h 6530 13436 m3/h 7907 8" 200.0 DN 200 8785 m3/h 5170 17533 m3/h 10318 21229 m3/h 12493 10" 250.0 DN 250 13744 m3/h 8088 27428 m3/h 16141 33211 m3/h 19544 12" 300.0 DN 300 19814 m3/h 11661 39544 m3/h 23271 47880 m3/h 28177 The VA 500 flow meter for compressed air is a thermal mass flow meter that uses the principle of thermal dispersion to monitor the flow rate of compressed air in a system. Here's how the VA 500 flow meter works to monitor compressed air: Principle of Operation: The VA 500 flow meter measures the flow rate of compressed air by utilizing two temperature sensors and a heater element within the flow sensor probe. One sensor measures the actual gas temperature, while the other sensor is heated to a constant temperature above the gas temperature. Thermal Dispersion: As the compressed air flows past the heated sensor, heat is transferred from the sensor to the gas. The amount of heat transferred is directly proportional to the mass flow rate of the compressed air. The difference in temperature between the two sensors is used to calculate the flow rate of the compressed air. Signal Processing: The VA 500 flow meter processes the temperature difference signal and converts it into a digital output representing the actual flow rate of the compressed air in standard units such as cubic feet per minute (CFM) or liters per minute (LPM). Monitoring and Display: The VA 500 flow meter provides real-time monitoring of the compressed air flow rate through a digital display or communication interface. Operators can view and track the flow rate data to ensure that the system is operating within specified parameters. Features and Benefits: The VA 500 flow meter offers high accuracy, fast response time, and low pressure drop, making it suitable for a wide range of compressed air applications. It can help operators optimize system performance, detect leaks, and improve energy efficiency by providing accurate flow rate measurements. Overall, the VA 500 flow meter for compressed air monitoring is a reliable and effective tool for measuring and monitoring the flow rate of compressed air in industrial applications, helping operators maintain system efficiency and reduce operational costs.