233Flow SensorsAIR QUALITYDWYER INSTRUMENTS, INC. | dwyer-inst.comMETAL AVERAGING FLOW SENSORBlade Profile Provides Enhanced Performance and Minimal Flow DisruptionThe Series MAFS Metal Averaging Flow Sensor is ideal for use with Dwyer Instruments, Inc. precision air velocity gages, transmitters and switches. The Series MAFS uses evenly distributed total and static pressure measuring points to deliver an accurate measurement of velocity pressure in a duct.FEATURES/BENEFITS• Blade design limits disruption of air stream• Lightweight aluminum construction• Flange mount for rectangular or square ductsAPPLICATIONS• VAV air flow measurement• Fume hood exhaust flow verification• HVAC retrofit air flow measurementSPECIFICATIONSService: Clean air.Wetted Materials: Aluminum AA6063.Accuracy: 400 to 9000 FPM (45.7 m/s); ±2% FS, ±3% FS for 6˝ (160 mm) and 48˝ (1200 mm) length models.K-Factor: 0.81, 0.80 for 6˝ (160 mm) and 48˝ (1200 mm) lengths, 4˝ (100 mm) length=0.82.Maximum Temperature: 400°F (204°C); Gasket: -31 to 230°F (-35 to 110°C).Minimum Design Flow: 400 fpm (2 m/s).Maximum Design Flow: 12,000 fpm (60.91 m/s).Process Connections: Dual barb for 3/16˝ or 1/4˝ ID tubing.Straight Run Requirements: 5 diameters or longest side dimensions.Agency Approvals: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II). 1-35/64[39.37]21/64[8.46]1[25.40]49/64[19.43]1-11/32[34.25]1-3/64[26.43]1-13/64[30.44]1/4-20THREADEDSTUD1/2 [12.70]APPROX.33/64[12.95]29/64[11.41]33/64[12.95]1/4[6.35]1/4[6.35]1-1/2[38.10]1-1/2[38.10]2[50.80]4X Ø7/32[Ø5.54]2[50.80]LSERIES MAFS®YEAR LIMITEDWARRANTYMODEL CHARTModelProbeLength (in)ModelProbeLength (in)ModelProbeLength (mm)ModelProbeLength (mm)MAFS-4MAFS-6MAFS-8MAFS-10MAFS-12MAFS-14MAFS-16MAFS-18MAFS-20MAFS-2246810121416182022MAFS-24MAFS-26MAFS-28MAFS-30MAFS-32MAFS-34MAFS-36MAFS-40MAFS-48242628303234364048MAFS-100MMMAFS-125MMMAFS-160MMMAFS-200MMMAFS-250MMMAFS-300MMMAFS-315MMMAFS-400MMMAFS-450MMMAFS-500MM100125160200250300315400450500MAFS-550MMMAFS-600MMMAFS-630MMMAFS-650MMMAFS-750MMMAFS-800MMMAFS-1000MMMAFS-1500MMMAFS-2000MM550600630650750800100015002000Next >