Page 1 through the use of a pitot tube connected differentially to a manometer, the velocity pressure alone is indicated and the corresponding air velocity. View and download dwyer instruments 160s series operating instructions online. Sliding depth indicators grip firmly to ensure uniform insertion when measuring traverses across ducts. Straight stainless steel pitot tube is constructed from corrosion resistant stainless steel with permanently etched insertion depth graduations for a lifetime of service. The straight design allows for easy insertion into ducts through grills and pressure taps, as. The static pressure port is parallel to the sensing tube to allow quick, easy alignment of the tube with air flow. All dwyer pitot tubes are built to amca and ashrae standards and have. Calculates air velocity and flow from a variety of inputs, and supports both us and metric units. The pitot tube was invented by the french engineer henri pitot in the early 18th century and was modified to its modern form in the mid19th century by french scientist henry darcy. The ph731 prohood capture hood is a multipurpose electronic air balancing instrument primarily used for efficiently taking direct air volume readings at diffusers and grilles. Series mark ii molded manometers are of the inclined and inclinedvertical types. Download the air velocity calculator app for android devices. Take readings in a smooth, straight duct section aminimum of 82 duct diameters in length upstreamand 12 diameters downstream from the pitot tube.
Dwyer 160s series pitot tubes are designed specifically for flow measurement of dirty, particulate laden air or gas streams typical in smoke stack and other environmental testing. Differential pressure measurement on gas hot water heaters or on filters of air conditioning systems, and also flow measurements in ventilation ducts using a pitot tube. The pitot static tube consists basically of two concentric tubes, with the end turned through a right angle so that the tip can be faced into the airstream after insertion through the duct wall. The static pressure port is parallel to the sensing tube to allow quick, easy alignment of the tube. Ideal for use with our precision manometers and air velocity gages, dwyer pitot tubes are constructed from corrosion resistant stainless steel for a lifetime of. Dwyer instruments 1666cf pitot tube compression fitting. Inline averaging pitot tube inline flow sensors are compatible with gases and liquids and contain a velocity pressure output for liquid or gas indication of flow rate. The positive port of the manometer is connected to the total pressure port pt and. Ideal for use with precision manometers and air velocity gauges, 160 series pitot tubes feature asme design to meet amca and ashrae specifications for maximum accuracy over a. The use of pitottubes in the measurement of laminar. Ideal for use with our precision manometers and air velocity gages, dwyer pitot tubes are constructed from corrosion resistant stainless steel for a lifetime of service. Some products are stainless steel and there are different shaped pitot tubes to be used with different instruments and have different applications.
Pitot tubes are commonly used sensors for monitoring air velocity and flow rate in heating, ventilation, and air conditioning. The dwyer air velocity calculator makes spot checking with dwyer pitot tubes quick and easy. Answer the optional mounting gland, model a159, is designed to slide over any series 160, 516 diameter standard pitot tube. Dwyer series 160 16712 stainless steel pocket size pitot tube, 1 8 diameter, 12 insertion length price. View and download dwyer instruments wdpm series specificationsinstallation and operating instructions online. Various standard sizes are available for use in ducts. Even so, the presence of leadingedge effects can be an undesirable extra parameter, but the majority of the results in.
Pitot tubes are single point sensors with velocity pressure output for indication of air flow rate. Knowledge base technical questions faq dwyer instruments. Operating instructions pitot static tube halstrupwalcher gmbh stegener stra. A simple slide rule, it provides for all the factors needed to calculate air velocity quickly and accurately. Single point sensors with velocity pressure output for indication of air flow rate. Dwyer instruments 160eu, ellipsoidal tip universal pitot tube, attaches to any length of 34 sch.
The readings are stored in nonvolatile memory so they will be retained even if the unit is shut off or the battery is removed. Provide an eggcrate type of flow straightener 5 duct diameters upstream of pitot. How do you install the fitting past the elbow in the tube. It is widely used to determine the airspeed of an aircraft, water speed of a. Total and static pressure taps are 14 6 mm and are permanently silver soldered to the connection block. The inner tube which exits in the front is the pitot tube, the outer tube, with small holes drilled in it, is the static. Wdpm002, wdpm005, wdpm020, wdpm010, wdpm030, wdpm200.
Series ds300 flow sensors are averaging pitot tubes that provide accurate, convenient flow rate sensing. Series 160s s type pitot tubes dwyer instruments, inc. To learn more about dwyers pitot tubes, please visit. View and download dwyer instruments 102av operating instructions and parts list online. Duct diameter should be at least 30 times the diameter of the pitot tube. Monitor and control air velocity with these pitot tubes. Series 160 stainless steel pitot tube product description dwyer stainless steel pitot tube is ideal to be used in the industrial operations with our precision manometers and air velocity gages. Existence of knotted vortex tubes in steady euler flows enciso, alberto and peraltasalas, daniel, acta mathematica, 2015. Dwyer series 160 16712 stainless steel pocket size. Request for quote to request an official quote for the dwyer ms series please include your quantities and contact details. Series 160 stainless steel pitot tubes asme design meets. The series 160f straight stainless steel pitot tube is constructed from corrosion resistant stainless steel with permanently etched insertion depth graduations for a lifetime of service. Tsi airflow pitot tubes bsria instrument solutions.
Easy online ordering for the ones who get it done along with 247. Through the use of a pitot tube connected differentially to a manometer, the velocity pressure alone is indicated and the corresponding air velocity determined. Series 160 stainless steel pitot tube is constructed. Telescoping stainless steel pitot tube is an air flow sensor that can be easily be adjusted for. Air velocity and flow measurement with pitot tubes dwyer. Newnes engineering and physical science pocket book, 1993. To save time when converting velocity pressure into air velocity, the dwyer air velocity calculator may be used. Series 160 stainless steel pitot tube is constructed from corrosion. Measuring airflow with a pitot tube how to accurately measure airflow with a pitot. Select the dwyer magnehelic gage for high accuracy guaranteed within 2 % of fullscale and for the wide choice of 81 models available to suit your. Series 160e ellipsoidal tip pitot tube dwyer instruments. Dwyer instruments 1666cf pitot tube compression fitting,18,12in.
The gland fitting a159 is shown as an accessory to the series 160 pitot tube. Carvill, in mechanical engineers data handbook, 1993. Dwyer static pressure sensors, pitot tubes and vav. Calculates air velocity and flow from a variety of. Inline flow sensors are averaging pitot tubes that provide accurate and convenient flow rate sensing for schedule 40 pipe. The dwyer air velocity and flow calculator makes spot checking with dwyer pitot tubes quick and easy. Answer the 160s pitot tube is specifically designed for flow measurement of dirty, particulate laden gas or air so a bit of dust should not be an issue for your application. The curved inclinedvertical tube of the model 25 gage provides higher ranges with more easily read increments at low readings. The modified ellipsoidal nose form has a single forward facing hole for sensing total pressure and a ring of side holes for sensing the static pressure. Located the pitot tube section providing 812 or more duct diameters upstream and 112 or more diameters down stream of pitot tube free of elbows, size changes or obstructions. Large 516 diameter stainless steel tubing resists plugging under harsh, sooty conditions which quickly block. A pitot static tube is a device for measuring the velocity of moving fluids or of the velocity of bodies moving through fluids. Order pitot tubes type pa and pb united sensor corp. Used by being inserted in the pipeline through a compression fitting.
Used in ducts and to measure flow in air or gas streams such as smoke stacks and other environmental. Dwyer 160 series pitot tubes are constructed from corrosion resistant stainless steel for a lifetime of service. Steady flow of couplestress fluid in constricted tapered artery. Use with air velocity gauges, balancing kits, pneumatic air velocity transmitters, electronic air velocity transducers, and other applications where air velocity measurement is needed. They have two internal tubes that measure static pressure and total pressure. Dwyer instruments offers many styles of pitot tubes, which are a commonly used sensor for monitoring air velocity and flow rate in heating, ventilation, and air conditioning pitot tubes are based on bernoullis equation, which states an increase in the speed of a fluid occurs simultaneously with an increase in dynamic pressure and a decrease in static pressure. Stainless steel pitot tube series 160, telescoping stainless steel pitot tube series 166t, and s type stainless steel pitot tube series 160s. Heres an example that uses two tubes the top one you can tell is the static port, because of the small holes drilled in it. Hence the emphasis is on trends shown up by results obtained vdth pitot tubes of different sizes rather than on comparisons with theoretical estimates. Dwyer instruments 102av operating instructions and parts list. The model 25 is excellent for general purpose work. The series 160e ellipsoidal tip pitot tube uses a precision crafted tip configuration, which allows air to pass smoothly with minimum turbulence for consistent, reliable readings. Series 160s s type stainless steel pitot tube dwyer instruments. The series 160s s type stainless steel pitot tube is designed specifically for flow measurement of dirty, particulate laden.
United sensor corporation 3 northern boulevard amherst, nh 03031. Technical software video library technical training downloads books. The series 160 stainless steel pitot tube is constructed from corrosion resistant stainless steel with permanently etched insertion depth graduations for a lifetime of service. Series 160 stainless steel pitot tube dwyer instruments. Peetoh tube, also known as pitot probe, is a flow measurement device used to measure fluid flow velocity. A universal model fits the user supplied 34 schedule 40 pipe in any length. The wellengineered high accuracy magnehelic gage offers a mirrored overlay air velocity with dwyer pitot tube. Series 160f straight stainless steel pitot tubes dwyer inst. Effects of transverse magnetic field, moving catheter, and slip velocity bakhti, hamzah and azrar, lahcen, journal of. It is included as an accessory with each dwyer pitot tube.
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