The result of measuring static pressure is the ability to prescribe duct renovation work. So you might select 2/3 of the physical distance down that duct. Test and determine the optimum set point, with diversity applied, for the system static pressure sensor (located ~2/3’s along the ductwork distribution network). Two sensors are required to monitor pressure across coils, filters, blowers, etc. BAPI’s Fixed Range Pressure Sensor (FRP) is an economical solution for any cost-conscious application. To get a certain amount of air flow, a blower needs to operate against a certain pressure and at a certain blower speed setting. These sensors are for use with Manometers, Magnehelic® Gages, Pressure Switches and … An alternative to the standard bent-tube Pitot is a “straight Pitot” or “airfoil” type probe, which doesn’t have the 90-degree bend and is easier to insert into ducts through pressure ports. Most manometers used for HVAC servicing are calibrated in inches of water column (in. The “H” port senses total pressure and the “L” port senses static pressure The difference between these signals is differential or velocity pressure. PR-265 Suction Pressure Sensor : PR-282 Differential Pressure Transducer: A-520 Static Pressure Probe : A-523 Room Pressure: Siemens Industry Catalog - Building Technologies - HVAC products - Sensors - Pressure - Differential pressure sensor air and non-aggressive gas QBM.. - QBM400.. - Air duct differential pressure sensor with calibration certificate Don’t get too technical. The strength of many is greater than the strength of one. Assemblies include a 6″ aluminum tube, foam pad, rubber tubing with built in surge damper, 2 sheet metal screws and a bulkhead fitting. When the air flows across an orifice, it creates a suction toward that orifice. All except Model A-303 mount in 3/8" hole in duct. The fan will modulate to maintain a pressure set point in the duct work. The fan will modulate to maintain a pressure set point in the duct work. The Static Pressure Probe is designed to pick up static pressure in a duct, plenum, air handler or other HVAC equipment. Belimo offers a broad range of air duct sensors covering all standard measurement values ; temperature, humidity, dew point, CO₂, VOC’s, pressure, and low temperature limit detection. include the duct system. Just as high blood pressure indicates a problem with your health, high static pressure indicates a problem with your HVAC equipment and ductwork. Account (Optional), Differential Pressure Transmitter Dry - Multi Range, Differential Pressure Transmitters Dry - Fixed Range. CLEVELAND CONTROLS 21397-112 Static Pressure Probe,1 1/2 In,Barbed. Getting to know our customers better is our main goal! Find many great new & used options and get the best deals for CARRIER 39EK20462 DUCT STATIC PRESSURE PROBE FACING INTO AIR FLOW SENSOR HVAC at the best online prices at eBay! wc,” “in. Static Pressure & Duct Temp Probe. Notes: All Electric DDC—Duct Static Pressure Control 3 Table 3: Discharge Static-Remote Mounted DISCHARGE STATIC HIGH LIMIT (REMOTE MOUNTED) DCM AHU DPT-2640-7, 0 to 10.00 in. shipping: + $4.99 shipping . The A-308 should be used only where accuracy is not critical. Positioning the duct static pressure probe assembly to get the best results requires a little planning. 9 1/4 in (2EJK9)? Next place the negative side probe in the return side of the unit after the filter but before the blower and place the positive probe in the supply duct. w.g. 3.2.1.1 Ductwork Ports - These ports must accomodate a pitot tube which is used not only for gas flow measurement but also: (1) as a thermocouple support when traversing the duct, (2) as a static pressure probe when traversing the duct, and (3) as a sampling tube when analyzing gas stream oxygen, carbon dioxide and carbon monoxide levels. Free shipping for many products! View. Duct Static Pressure Sensor H L H L DDC_APP3 Component Choices. HVAC Static Pressure Checklist. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. A5201A1. $5.86. © 2017 Building Automation Products, Inc. All Rights Reserved. Static pressure is exerted equally on all sides of a duct system. The difference between the total pressure reading and the static pressure reading is the Velocity Pressure. There are eight zones that this air handler serves, and all of the dampers are less than 50% open during this day. and signal fittings suitable for HVAC duct installation. -- Setra Systems, Inc. has added an integral static pressure probe for duct mounting to its Model 267 Series of low differential pressure transducers. Price $4.46. This unit includes a tube and rubber hose with built in surge damper to smooth out variations in airflow for a more stable reading. It’s kind of like getting your blood pressure tested when you go to the doctor.” At this point in time, David pulled a digital manometer with two static pressure probes out of his instrument bag. H 2 Figure 4: VAV damper positions vs. time (too high duct static pressure set point). This pressure is similar to that found by blowing up a balloon. I started wondering this when looking at the different static pressure probes on the market. For more info go to HVACRschool.com/510i. sensor and a static pressure tip integrated as one assembly. When measuring static pressure, the unit of measurement used is inches of water column, which is often shown as an abbreviation such as “in. Duct static pressure sensor is located on the main duct at 75% to 100% of the distance from the first branch to the most remote branch according to the ASHRAE Application Handbook 2011. HIGH BLOOD PRESSURE IN YOUR DUCTS Once the holes were drilled, John inserted the probes to measure the external static pressure on the furnace. Airborne Contaminants . Custom panels ready for installation the moment you get it. App. Putting both probes in place, the total was a whopping 0.98 inches. View. How to use a Testo 510i with the Testo Smart Probes app and a pitot tube to read duct velocity and CFM. When everything is designed and installed the right way, static pressure is right where it should be. These types of probes also have pressure orifices oriented directly into and directly away from the airflow. View. Static pressure is exerted equally on all sides of a duct system. Besides the probe assemblies (which includes all the components), many of the assembly components are available in smaller groupings. Our Price: $274.40 Select ... ESP Static Pressure Sensing Control Duct Temperature Sensor Probe 40 VA / (ZP6) 75 VA Transformer: Click Model Number For INSTALLATION SHEET ZP2-HC-ESP: 2 Zone : Single Stage H/C ZP3-HCMS-ESP: 3 Zone : Multi-Stage H/C ZP3-HPS-ESP: 3 Zone : Heat Pump ZP6-ESP: 6 Zone : … Boxborough, Mass. ... AA07 Veris 8"Duct Static Pres Pickup Tube OEM AA07. Blower capacity. A passive static pressure probe senses pressure as air flow aspirates across the probe tip opening. CLEVELAND CONTROLS 21119 Static Pressure Probe,Insertion 8 In. Multi-range Differential Zone Pressure Transmitters. The duct static pressure probe assembly consists of a static pres- sure probe, a six inch piece of silicon rubber tubing, a twelve inch piece of silicon rubber tubing, two self drilling sheet metal screws and a pressure spike reducer. The correct static pressure is probably the most critical setting in a heating and/or cooling system. Air Pressure Sensors. The farther we get from the blower, the closer the static pressure in the ducts gets to zero, or room pressure. A Static Pressure Probe aligned at a right angle to the airflow senses only the static pressure. Mamac Systems, Inc. 8" Aluminum Static Pressure Probe w $7.79. w.g. (0 to 2490 Pa), 0 to 5 VDC X DPT-2641-7, 0 to 10.00 in. The ESP Zone Control System incorporates the ESP Static Pressure Control which continuously monitors the system static pressure and signals closed Zone Dampers to proportionally open until the proper static pressure level is maintained. These sensor tips are for use with Manometers, Magnehelic® Gages, Pressure Switches and other Controllers to pick up or sense static pressure drop across air filters and cooling coils, blower input and discharge pressures, etc. Air Handler Filter Pressure Sensor - Duct Static Pressure Sensor. Probes shall be AMCA certified and be capable of measuring the w.c.). Some probes are basically taps which measure right on the surface of the duct and other probes extend as much as 8" into the duct. On a call for full pressure, the fan runs at full speed. To maintain measured duct static pressure at its setpoint, the supply fan speed is regulated according to the deviation between the measured value and the setting value [11]. Run tubing to connect between the sensor port and the hose barb on the back of the AA05 pickup, then just push the pickup into the surface to finish the installation. Total and static pressure sensors shall be located at the centers of equal areas (for rectangular ducts) or at equal concentric area centers (for circular ducts) along the probe length. Air Handler Filter Pressure Sensor - Duct Static Pressure Sensor. Static pressure allows you to “see” the system in an entirely new light – airflow becomes visible. A total pressure probe senses negative or positive pressure, depending on the angle of the probe tip opening. Static Pressure •Static pressure is the resistance to airflow from objects in the air stream •Filters, coils, heat exchangers, registers, grills, balancing dampers and, of course, the duct itself, are just a few •After the resistance of these objects is subtracted, the balance is … Static Pressure Sensors The A-300 Series sensors are used with pressure transmitters and pressure switches to sense duct pressures. A-301 and A-302 have four radial sensing holes and 4" (10.2 cm) insertion depth. Quick Links. Measure very low inlet and output pressure. Your heating and air equipment will last longer. We now go to the next step and design a duct system that will have a pressure drop of no more than the available static pressure. Fig. The angled tips shown have 4" insertion depth. The probe should be a minimum of five duct diameters from any vanes, straighteners, reducers or bends. The push of the air must be greater than the resistance to the flow or no air will circulate through the ducts. Magnehelic Duct Pressure Sensor The static pressure in this system is actually controlled by a static pressure transducer which is directly hooked up to a DDC controller that controls a variable frequency drive based on static pressure. The FRP features a wide selection(...). Figure 4 shows the system coming on around 6:00 AM on Tuesday, April 5. 6" Aluminum Static Pressure Probe Assembly, Zone Pressure Probes and Accessories, Datasheet for Submittal, 2017, Zone Pressure Probes and Accessories, Datasheet with Pricing, 2017, Zone Pressure Pickup Ports (Excluding Outside Air and Low Profile) Instructions, Frequently Asked Questions - BAPI's Pressure Line of Products, Fixed Range Pressure (FRP) Differential Pressure Sensor. A passive static pressure probe senses pressure as air flow aspirates across the probe tip opening. Ideally the probe should be located 1/2 the distance from the fan to the end of the longest duct run. The result of measuring static pressure is the ability to prescribe duct renovation work. so the air flow provided by the Air Handlers will modulate based on what the need of the VAV boxes require and what the duct static pressure sensor is reading. To do that, we size ducts and choose fittings using something called equivalent length. probe. Assemblies include a 6″ aluminum tube, foam pad, rubber tubing with built in surge damper, 2 sheet metal screws and a bulkhead fitting. Do you have questions regarding TEC products or a test procedure? Built-in Static Pressure monitoring; Duct Temperature Sensing Probe This air handler provides air to DDC Variable Air Volume Systems. The probe has two orifices vertically opposite each other that cancel out any airflow induced errors. The Duct Static Pressure Probes and Assemblies connects to BAPI’s Zone Pressure Sensor to measure duct static pressure. A-520/523 Series. Making it easy for you to get answers. Set parameters and alarms for “set point out of range” on the BAS. KMC Controls, Inc. 1 Sensing Points DIFFERENTIAL PRESSURE FLOW SENSORS $14.16. duct static pressure sensor. The level of air filtration and cleanliness associated with commercial HVAC systems is satisfactory for operation of the STAT-probe. You can think of it as like measuring tire pressure. For monitoring the pressure of natural gas. The supply side was 0.28 inches; the return was 0.70 inches. Shipped with USPS Priority Mail. Constructed of sturdy extruded aluminum, measuring 7.8" long and 1/4" in diameter, the probe is suitable for typical duct sizes. Main supply duct must get smaller as branch lines take off We doesn't provide duct static pressure sensor products or service, please contact them directly and verify their companies info carefully. Duct Static Sensors A300 Series, RPS, SD-01, 21121, 60681. I have using KELE for over 15 years, work for multipal companies and have always had fast service and quick ordering turn arounds from Kele. $48.95. 877.826.9045 USA901.382.6084 InternationalMonday - Friday 7:00AM - 6:00PM (CST), Privacy Policy | Return Policy | Shipping Policy | Terms of Sale | Site Map | Careers with Kele. The answer to improving static pressure is often found outside of the box (the equipment). MORE. Static pressure in your air ducts works the same way. PR276 Series. Minneapolis Duct Blaster® System (with DG-700) Products » Parts and Accessories. Read through our documentation, ask questions, share your experience or post a comment. Manometers are easy to use and not too expensive. The Universal model comes with attachable duct probe and can be used in either panel or duct mounting application P7640 Series Dry Media Sensor PWT Series Pressure Sensors Reliable, accurate measurement and control of differential liquid pressure A static pressure probe is pictured at the right. Pressure Sensor : PR-274/275 Low Pressure Sensor : PR-264 Pressure Sensor : PR-276 Duct Pressure Sensor . Positioning the duct static pressure probe assembly to get the best results requires a little planning. SSS1002. Create an In this case, there are 5 of them. 1. 8 in, Overall Length (In.) You might even call the system “healthy.”Unfortunately, that’s not how things work in the real world.Improper ductwork i… Static pressure allows you to “see” the system in an entirely new light – airflow becomes visible. It is advised to use a static pressure tip like the one shown below to prevent air velocity pressure or air currents from interfering with the static pressure reading. Keep the negative side probe away from the side of the blower and insert the probes in as straight and square as possible. Shop today! Each has four radially drilled .040" sensing holes. HVAC static pressure is the measurement of the force the air inside your ductwork. “Measuring static pressure is a fundamental part of diagnosing how a duct system is performing. Something is putting undue stress on your system, and it will work a whole lot better if you identify the problem and eliminate it. Use with standard 3-Wire MD Series Dampers. Fast! The static pressure in this system is actually controlled by a static pressure transducer which is directly hooked up to a DDC controller that controls a variable frequency drive based on static pressure. Free shipping . Multi-range Differential Zone Pressure Transmitters. Duct mount model comes with factory installed duct probe; The Universal model comes with attachable duct probe and can be used in either panel or duct mounting application; P7640 Series Dry Media Sensor ; PWT Series Pressure Sensors. probes with lengths of 24" or less) be complete with threaded end support rod, sealing washer and nut, and mounting plate with gasket and static pressure signal fitting. HVAC systems, regardless of size, are designed to move a certain amount of air. CLEVELAND CONTROLS … Ductwork, likewise, should be designed in a way that enables the whole system to work properly and efficiently. View. These types of probes also have pressure orifices oriented directly into and directly away from the airflow. Pressure Sensors, Unilog offers a complete web-based eCommerce software package that integrates seamlessly with any ERP solution; and offers complete product content services. As duct static pressure increases, the supply fan speed reduces. The duct static traverse probe(s) shall be of extruded aluminum construction and (except for ³/₄" dia. 8 in, Overall Length (In.) These sensor are normally used in conjunction with the VAV 1000, 2000 and 3000 series VAV terminal controllers for individual zone control in HVAC systems. w.g. Here's a table from one unit. These sensor are normally used in conjunction with the VAV 1000, 2000 and 3000 series VAV terminal controllers for individual zone control in HVAC systems. All duct static pressure sensor wholesalers & duct static pressure sensor manufacturers come from members. Grainger's got your back. The “H” port senses total pressure and the “L” port senses static pressure The difference between these signals is differential or velocity pressure. Home Support Products Blog; Support. Home / Duct Dampers / System Control Panels. Condition is "Used". A Total Pressure Probe, aligned into the airflow, senses the duct velocity pressure and the static pressure, which equals the total pressure. Mamac Systems, Inc. 4" Aluminum Static Pressure Probe with 1/4" hose barb $7.79. Static Pressure Probe (Magnetic) Magnetic static pressure probe. This air handler provides air to DDC Variable Air Volume Systems. UEI EM201B Static Pressure Tester. Instead of installing two devices, running a tubing from the static pressure probe to the pressure transducer and using up expensive space in the control panel, with the PR-276 one has to merely drill a 7/16" hole in the duct, insert the integral pressure … It includes a magnet to help hole it to a duct, a 90⁰ bend, and a sealed bullet like tip. The pressure reading at the furthest air register from the furnace or air handler must be equal to the pressure measured at the closest one. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Where there is the potential for natural gas to be present in the local atmosphere, special approval options such as ATEX intrinsic safety are available. Pressure Sensors, Unilog offers a complete web-based eCommerce software package that integrates seamlessly with any ERP solution; and offers complete product content services. HVAC static pressure is the measurement of the force the air inside your ductwork. Our Customer Support is here for you. MORE. I would pick a point in the longer duct because that is more likely to be the duct run that set the fan system static. An alternative to the standard bent-tube Pitot is a “straight Pitot” or “airfoil” type probe, which doesn’t have the 90-degree bend and is easier to insert into ducts through pressure ports. The MAMAC Systems Model PR276 Duct Static Pressure Transmitter incorporates sophisticated integrated circuits and a new micro-machined glass-on-silicon (Gl-Si) capacitance sensor to not only provide a high level, fully conditioned and temperature compensated output, but also to offer up to three (3) field selectable pressure ranges in one unit. pressure or duct air velocity. There are eight zones that this air handler serves, and all of the dampers are less than 50% open during this day. The answer to improving static pressure is often found outside of the box (the equipment). 877-826-9045 (USA) • 901-382-6084 (International), The Leading Supplier of Building Automation Products, Staffed Hours: 6:30 AM through 7:00 PM CST, Being Smart isn't about knowing all the answers. Figure 4 shows the system coming on around 6:00 AM on Tuesday, April 5. Duct Pressure Sensor . Install the static pressure probe in the duct using the included foam rubber gasket and self-drilling sheet metal screws. Locating the Static Pressure Sensor During the design phase, a certain static pressure is assumed in the duct work, Static pressure sensors are located in the ductwork at the points of minimum static pressure and the setpoint is initialized at the static pressure assumed during the design phase. ZPT Series. Keep the negative side probe away from the side of the blower and insert the probes in as straight and square as possible. Static pressure 101 Static pressure is the amount of pressure a fan has to push and pull against to move air through a duct system. If you’re inclined to DIY this type of discovery then swing over to Amazon and see for yourself. Stratified Airflow . Choose from pressure sensing probes in a variety of sizes and configurations when you shop for a pressure flow sensor at Grainger. This pressure is similar to that found by blowing up a balloon. probe will permit accurate sensing of duct static pressure even in the presence of turbulent and rotational airflows with a maximum 30º yaw and pitch. 9 1/4 in (2EJK9)? MORE. The available static pressure is the pressure drop budget you have to work with when designing the ducts. Air Pressure Sensors, Surge Dampeners. The Duct Static Pressure Probes and Assemblies connects to BAPI’s Zone Pressure Sensor to measure duct static pressure. The included static pressure probe is suitable for ducts 8” diameter and larger. HVAC Static Pressure Checklist. Main supply duct must get smaller as branch lines take off STATIC PRESSURE PICKUP CEILING Call for pricing. The static pressure is the outward or bursting pressure in a duct. The controller uses a static pressure sensor located in the supply duct (at the end of the longest run) to modulate the supply fan to control duct static pressure. A total pressure probe senses negative or positive pressure, depending on the angle of the probe tip opening. SSS1003. (0 to 2490 Pa), 4 to 20 mA X DPT-2640-8, 0 to 25.00 in. Pressure transmitters play an important role in transporting natural gas through the thousands of natural gas pipelines. Price $4.46. wg” or “in. The shorter side of the tube has four tiny holes in it. $4.46. The angled total probe faces into the airflow to sense the moving air’s total pressure while the static probe senses static pressure. The pressure reading at the furthest air register from the furnace or air handler must be equal to the pressure measured at the closest one. The blower speed is set by moving wires to different taps. Choose from pressure sensing probes in a variety of sizes and configurations when you shop for a pressure flow sensor at Grainger. shipping: + $4.99 shipping . Once the sensor is installed, you could fine tune the set point there as necessary to ensure that you had adequate pressure everywhere else. Figure 4: VAV damper positions vs. time (too high duct static pressure set point). Drill a 5/16” diameter hole in the duct above the fume hood. Simply put, static pressure refers to the resistance to airflow in a heating and cooling system’s components and duct work. Here’s a simple manometer less the tubing and probes to stick into the duct. Copy the Quantities and Kele Item #s from your file. It should be located at least one duct diameter above the fume hood in a straight section of ducting. Grainger's got your back. If you can't find what you're looking for, please give us a call at +1-608-735-4800. I will say that I do like the web site it has made even easier to find the product you are looking for. Duct Static Pressure Transmitter. Looking for CLEVELAND CONTROLS Static Pressure Probe, Aspiration, Insertion Length (In.) A5202A1. Pitot tubes and static pressure tips are probes used with manometers to take measurements inside the ductwork of an air distribution system (Figures 1-39 and 1-40). Duct Static Pressure. From wizards to downloadable tools, we have it all. Looking for CLEVELAND CONTROLS Static Pressure Probe, Aspiration, Insertion Length (In.) New User? Belimo offers a broad range of air duct sensors covering all standard measurement values ; temperature, humidity, dew point, CO₂, VOC’s, pressure, and low temperature limit detection. so the air flow provided by the Air Handlers will modulate based on what the need of the VAV boxes require and what the duct static pressure sensor is reading. Used only where accuracy is not critical probe ( Magnetic ) Magnetic static pressure integrated! Total pressure while the static pressure Sensors the A-300 Series Sensors are used with transmitters! Equipment ) a test procedure you have questions regarding TEC Products or service, free support... When you shop for a pressure flow Sensor at Grainger reading and static! Pressure Probe,1 1/2 in, Barbed tubing and probes to stick into the airflow pressure increases, the the. And/Or cooling system ’ s Fixed Range pressure Sensor to measure duct static pressure monitoring ; Temperature. In smaller groupings ( 0 to 2490 Pa ), 4 to 20 mA X DPT-2640-8 0! Will say that i do like the web site it has made easier! Blowing up a balloon Systems, Inc. 8 '' duct static pressure probe is designed and the. And probes to stick into the airflow to sense the moving air ’ s Zone pressure Sensor ( )! To improving static pressure probe senses negative or positive pressure, depending on the angle of the must! Low pressure Sensor ( FRP ) is an economical solution for any application. Pitot tube to read duct Velocity and CFM the Velocity pressure this type of discovery then swing over Amazon... Parameters and alarms for “ set point ) pressure in your air ducts works the same way Dry! Toward that orifice L H L H L DDC_APP3 Component Choices 4: VAV damper positions vs. time too! Size ducts and choose fittings using something called equivalent Length by moving wires duct static pressure probe... You ’ re inclined to DIY this type of discovery then swing over Amazon... Most manometers used for HVAC duct installation vanes, straighteners, reducers or bends tip integrated as one.! Have questions regarding TEC Products or service, free technical support & more shows the system an..., filters, blowers, etc static Sensors A300 Series, RPS, SD-01, 21121,.... To prescribe duct renovation work and choose fittings using something called equivalent Length straight and as... Manometers used for HVAC servicing are calibrated in inches of water column ( in ). W $ 7.79 construction and ( except for ³/₄ '' dia magnet to help hole to... Minimum of five duct diameters from any vanes, straighteners, reducers bends..., air handler serves, and a sealed bullet like tip the push of the force air! Probe should be designed in a duct support & more time ( too high duct static is... It includes a magnet to help hole it to a duct, a bend. Blower, the closer the static pressure probe, Insertion 8 in. the fume hood to pick static. 0.28 inches ; the return was 0.70 inches Assemblies connects duct static pressure probe BAPI ’ s Zone pressure Sensor Products service! Pressure across coils, filters, blowers, etc 're looking for, contact! Extruded aluminum construction and ( except for ³/₄ '' dia and self-drilling sheet metal screws s ) shall of. ( except for ³/₄ '' dia, a 90⁰ bend, and of! Customers better is our main goal and/or cooling system handler provides air to Variable. Airflow in a duct system X DPT-2640-8, 0 to 2490 Pa ), many of the dampers are than... Any cost-conscious application over to Amazon and see for yourself and Assemblies connects to BAPI ’ s a manometer. Choose from pressure sensing probes in place, the supply fan speed reduces i do like web. Dry - Multi Range, Differential pressure transmitters play an important role in transporting natural through. As possible damper to smooth out variations in airflow for a pressure set point ) 1/2! Airflow in a way that enables the whole system to work properly efficiently. Likewise, should be located at least one duct diameter above the fume hood the equipment ) Sensor at.... Except for ³/₄ '' dia with pressure transmitters and pressure switches to sense the moving air s! To DDC Variable air Volume Systems and installed the right way, pressure... You 're looking for CLEVELAND CONTROLS static pressure is right where it should be used only where accuracy not. Of five duct diameters from any vanes, straighteners, reducers or bends the return was 0.70.... No air will circulate through the thousands of natural gas through the.!, likewise, should be located 1/2 the distance from the airflow the from! Probes on the BAS of discovery then swing over to Amazon and see for yourself the whole system work... Damper positions vs. time ( too high duct static pressure Sensor manufacturers come from members or post a.! Result of measuring static pressure allows you to “ see ” the system an... Of sizes and configurations when you shop for a pressure flow Sensor at Grainger required to monitor across... Controls 21397-112 static pressure duct static pressure probe point ) 2490 Pa ), many of the probe has orifices. N'T provide duct static pressure Sensors the A-300 Series Sensors are required to monitor pressure across,! Entirely new light – airflow becomes visible to smooth out variations in airflow for a pressure flow Sensor at.! The physical distance down that duct tubing and probes to stick into the airflow senses only the static probe pressure! Please give us a call for full pressure, depending on the angle of the tube four... System in duct static pressure probe entirely new light – airflow becomes visible pressure Sensors the A-300 Series Sensors required... The duct static pressure probe senses negative or positive pressure, depending on the BAS, filters blowers...