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Home  >  Air Velocity - Manometers

Air Velocity - Manometers

Air Velocity - Manometers

Measuring air velocity and air duct flow helps maintain balance and optimal performance in any HVAC system. Use a manometer, combined with a pitot tube, to measure HVAC air flow easily. While the manometer actually measures fluid pressure, HVAC air flow can be determined as well.

Davis Instruments offers a wide range of manometers and related air velocity meters such as micromanometers, anemometers, and pitot tubes. Available options include instruments that are intrinsically safe, waterproof, and explosion-proof. Our selection also includes models that meet CSA and CE-mark requirements.


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TSI/Alnor EBT731 Electronic Balancing Capture Hood

  • Product Type: Balometer
  • Range: Supply and exhaust: 25 to 2500 ft3/min (42 to 4250 m3/h
    Air velocity: 25 to 15,000 ft/min (0.125 to 78 m/s)-pitot tube
    25 to 5000 ft/min (0.125 to 25 m/s)-straight probe
  • Resolution: Supply and exhaust: 1 ft3/min (1 m3/h)
    Air velocity: 1 ft/min (0.01 m/s)
Mfg Part# EBT731
DO-05949-51
In stock.
$3,195.00 USD/EACH

Qty:

160-8 Stainless Steel Pitot Tube 8" Insertion Length 5/16" Diameter

  • Product Type: Pitot Tube
  • Probe: 8 " L
  • Probe: 5/16" dia
Mfg Part# 160-8
DO-10778-81
Usually ships in 8 days.
$76.75 USD/EACH
$62.16 USD/EACH

Qty:

Dwyer 475-00-FM, Digital Manometer, 4" WC

  • Product Type: Manometer
  • Media compatibility: non-corrosive air and gases
  • Unit of Measurement: " H2O and kPa
Mfg Part#
DO-68062-68
In stock.
$260.00 USD/EACH
$210.60 USD/EACH

Qty:

TSI Alnor HM675 Hydronic Manometer Water Air Pressure Meter

  • Product Type: Manometer
  • Range: 0 to 300 psi (2068 kPa) gauge differential
  • Units: psi, in water, ft water, kPa, mm Hg, in Hg, m water, bar
Mfg Part#
DO-10374-55
Usually ships in 8 days.
$3,165.00 USD/EACH

Qty:

TSI 9565 VelociCalc Ventilation Meter; comes w/Straight Probe 10372-35

  • Product Type: Hot-Wire Anemometer
  • Temp resolution: 0.1°F (0.1°C)
  • Temp range: 40 to 113°F (5 to 45°C)
Mfg Part# 9565
DO-10372-42
Usually ships in 9 days.
$2,285.00 USD/EACH

Qty:

160-36 Stainless Steel Pitot Tube 36" Insertion Length 5/16" Diameter

  • Product Type: Pitot Tube
  • Probe: 36 " L
  • Probe: 5/16" dia
Mfg Part# 160-36
DO-10778-85
In stock.
$99.25 USD/EACH
$80.39 USD/EACH

Qty:

Dwyer A-102, Red Oil Gauge Fluid, 4 oz, 0.826 SG

  • Product Type: Manometer
  • Model: A-102
  • Qty/ea: 1
Mfg Part#
DO-68062-62
In stock.
$19.75 USD/EACH
$15.99 USD/EACH

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Comark C9551, Waterproof Pressure Meter, 0 to ±2 psi

  • Product Type: Digital Pressure/Vacuum Gauge
  • Unit of Measurement: psi, mBar, " H2O, " Hg, Torr, Pa, kPa, mm H2O, cm H2O, kg/cm2
  • Resolution: 0.001 psi
Mfg Part#
DO-68457-35
Usually ships in 11 days.
$570.00 USD/EACH

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TSI 9565-A VelociCalc Ventilation Meter; comes w/Articulating Probe 10372-36

  • Product Type: Hot-Wire Anemometer
  • Temp range: 40 to 113°F (5 to 45°C)
  • Qty/ea: 1
Mfg Part# 9565-A
DO-10372-43
In stock.
$2,460.00 USD/EACH

Qty:

TSI/Alnor 634634004 Telescoping Pitot Tube

  • Product Type: Pitot Tube
  • Model: 634634004
  • Qty/ea: 1
Mfg Part# 634634004
DO-10302-45
Available for order
or call 1-888-358-4712 to order
$310.00 USD/EACH

Qty:

TSI 9565-X VelociCalc Ventilation Meter Only

  • Product Type: Hot-Wire Anemometer
  • Temp range: 40 to 113°F (5 to 45°C)
  • Qty/ea: 1
Mfg Part# 9565-X
DO-10302-48
Usually ships in 15 days.
$1,190.00 USD/EACH

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645 : Digital Manometer, 30 psid Dual Input, 7 Selectable Units of Measure

  • Product Type: Manometer
  • Unit of Measurement: mm Hg, " Hg, kPa, mBar, psi, " H2O, mm H2O
  • Range: 0 to 30 psid
Mfg Part#
DO-42500-24
Usually ships in 11 days.
$257.00 USD/EACH

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Extech SDL350 Hot Wire CFM Thermoanemometer

  • Product Type: Hot-Wire Thermoanemometer
  • Operating Modes: Air Velocity, Air Flow, Temperature
  • Range: 40 to 3940 ft/min (0.2 to 25 m/s)
Mfg Part# SDL350
DO-10300-06
Usually ships in 8 days.
$599.00 USD/EACH

Qty:

Meriam 923RO-1, Red Oil for Manometers, 0.827 SG, 4 fl oz

  • Product Type: Manometer Fluid
  • Model: 923RO-1
  • Qty/ea: 1
Mfg Part#
DO-68460-04
Available for order
or call 1-888-358-4712 to order
$75.00 USD/EACH

Qty:

Extech Mini Thermoanemometer with Temperature and Humidity

  • Product Type: Vane Anemometer
  • Range: Air velocity:
    100 to 5500 ft/min
    0.5 to 28.0 m/s
    1.1 to 62.5 mph
    1.8 to 100.6 km/hr
    1.0 to 54.3 knots
    1 to 17 BF
  • Resolution: Air velocity:
    20 ft/min
    0.01 m/s
    0.2 mph
    0.7 km/hr
    0.3 knots
    1 BF
Mfg Part# 45158
DO-10201-20
In stock.
$154.99 USD/EACH

Qty:

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