Series MAFS Metal Averaging Flow Sensor

Blade Profile Provides Enhanced Performance and Minimal Flow Disruption

The Series MAFS Metal Averaging Flow Sensor is ideal for use with Dwyer® 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.

Product Applications

VAV air flow measurement
Fume hood exhaust flow verification
HVAC retrofit air flow measurement

Starting at $58.80

Ordering

Filter By

Inches

Metric

Grouped product items
Model	Description	Availability*	Price
MAFS-04	Averaging air flow sensor, 4" probe	1-2 Weeks*	$58.80
MAFS-06	Averaging air flow sensor, 6" probe	1-2 Weeks*	$68.30
MAFS-08	Averaging air flow sensor, 8" probe	1-2 Weeks*	$75.15
MAFS-10	Averaging air flow sensor, 10" probe	1-2 Weeks*	$82.50
MAFS-1000MM	Averaging air flow sensor, 1000mm probe	1-3 days*	$193.45
MAFS-100MM	Averaging air flow sensor, 100mm probe	1-2 Weeks*	$59.30
MAFS-12	Averaging air flow sensor, 12" probe	1-2 Weeks*	$89.25
MAFS-125MM	Averaging air flow sensor, 125mm probe	1-2 Weeks*	$63.95
MAFS-14	Averaging air flow sensor, 14" probe	1-2 Weeks*	$97.75
MAFS-1500MM	Averaging air flow sensor, 1500mm probe	1-2 Weeks*	$265.20
MAFS-16	Averaging air flow sensor, 16" probe	1-2 Weeks*	$104.25
MAFS-1600MM	Averaging air flow sensor, 1600mm probe	1-2 Weeks*	$280.80
MAFS-160MM	Averaging air flow sensor, 160mm probe	1-3 days*	$69.15
MAFS-18	Averaging air flow sensor, 18" probe	1-2 Weeks*	$110.40
MAFS-20	Averaging air flow sensor, 20" probe	1-2 Weeks*	$118.70
MAFS-2000MM	Averaging air flow sensor, 2000mm probe	1-2 Weeks*	$341.10
MAFS-200MM	Averaging air flow sensor, 200mm probe	1-3 days*	$74.35
MAFS-22	Averaging air flow sensor, 22" probe	1-2 Weeks*	$130.30
MAFS-24	Averaging air flow sensor, 24" probe	1-2 Weeks*	$135.20
MAFS-250MM	Averaging air flow sensor, 250mm probe	1-2 Weeks*	$81.65
MAFS-26	Averaging air flow sensor, 26" probe	1-2 Weeks*	$145.05
MAFS-28	Averaging air flow sensor, 28" probe	1-2 Weeks*	$148.60
MAFS-30	Averaging air flow sensor, 30" probe	1-2 Weeks*	$156.85
MAFS-300MM	Averaging air flow sensor, 300mm probe	1-2 Weeks*	$89.95
MAFS-315MM	Averaging air flow sensor, 315mm probe	1-2 Weeks*	$92.05
MAFS-32	Averaging air flow sensor, 32" probe	1-2 Weeks*	$163.05
MAFS-34	Averaging air flow sensor, 34" probe	1-2 Weeks*	$174.45
MAFS-36	Averaging air flow sensor, 36" probe	1-2 Weeks*	$179.55
MAFS-38	Averaging air flow sensor, 38" probe	1-2 Weeks*	$190.25
MAFS-40	Averaging air flow sensor, 40" probe	1-2 Weeks*	$193.00
MAFS-400MM	Averaging air flow sensor, 400mm probe	1-3 days*	$104.25
MAFS-42	Averaging air flow sensor, 42" probe	1-2 Weeks*	$206.00
MAFS-44	Averaging air flow sensor, 44" probe	1-2 Weeks*	$212.30
MAFS-450MM	Averaging air flow sensor, 450mm probe	1-3 days*	$111.30
MAFS-46	Averaging air flow sensor, 46" probe	1-2 Weeks*	$219.65
MAFS-48	Averaging air flow sensor, 48" probe	1-2 Weeks*	$221.90
MAFS-500MM	Averaging air flow sensor, 500mm probe	1-3 days*	$119.60
MAFS-550MM	Averaging air flow sensor, 500mm probe	1-2 Weeks*	$128.95
MAFS-600MM	Averaging air flow sensor, 600mm probe	1-3 days*	$136.25
MAFS-630MM	Averaging air flow sensor, 630mm probe	1-2 Weeks*	$139.35
MAFS-650MM	Averaging air flow sensor, 650mm probe	1-2 Weeks*	$143.50
MAFS-750MM	Averaging air flow sensor, 750mm probe	1-2 Weeks*	$158.10
MAFS-800MM	Averaging air flow sensor, 800mm probe	1-2 Weeks*	$162.25

Specifications

Service:: Clean air.
Wetted Materials:: Aluminum AA6063.
Accuracy:: 400 to 9000 FPM (45.7 m/s): ±2% FS; ±3% FS for 6" and 48" length models.
K-Factor:: 0.81, 0.80 for 6" (160 mm) and 48" (1200 mm) lengths, 4" (100 mm) length=0.82.
Max. 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.
Compliance:: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II).