IAQ

These indoor air quality meters allow HVAC/R technicians and contractors to take measurements at the air outlet, take air and surface temperatures, measure dirt on HVAC/R filters and measure ventilation in ducts. Find a wide range of these meters to fit your application.

Showing 1 to 20 of 30 products

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, &oslash; 0.35&quot;-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, ø 0.35"
Model: 440 | Order No: 0563 4400

Sale Price	$657.05 USD
Regular Price	$773.00 USD
Availability	1 to 2 Weeks2 to 3 Weeks

Qty:

Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, &oslash; 0.63&quot;-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 0.63"
Model: 440 | Order No: 0563 4401

Sale Price	$810.90 USD
Regular Price	$954.00 USD
Availability	1 Week1 to 2 Weeks

Qty:

Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, &oslash; 3.9&quot;-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 3.9"
Model: 440 | Order No: 0563 4403

Sale Price	$871.25 USD
Regular Price	$1025.00 USD
Availability	3 to 4 Weeks3 to 4 Weeks

Qty:

Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital humidity/temperature probe, &oslash; 0.47&quot;-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital humidity/temperature probe, ø 0.47"
Model: 440 | Order No: 0563 4404

Sale Price	$548.25 USD
Regular Price	$645.00 USD
Availability	1 to 2 Weeks2 to 3 Weeks

Qty:

Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO<sub>2</sub> probe-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO₂ probe
Model: 440 | Order No: 0563 4405

Sale Price	$1,116.90 USD
Regular Price	$1314.00 USD
Availability	3 to 4 Weeks3 to 4 Weeks

Qty:

Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, &oslash; 3.9&quot;-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"
Model: 440 | Order No: 0563 4406

Sale Price	$1,873.40 USD
Regular Price	$2204.00 USD
Availability	3 Days1 to 2 Weeks

Qty:

Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO<sub>2</sub> probe and digital turbulence probe, 3.9&quot;-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO₂ probe and digital turbulence probe, 3.9"
Model: 440 | Order No: 0563 4408

Sale Price	$3,330.30 USD
Regular Price	$3918.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, &oslash; 3.9&quot;-

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9"
Model: 440 | Order No: 0563 4409

Sale Price	$2,193.00 USD
Regular Price	$2580.00 USD
Availability	3 to 4 Weeks4 to 5 Weeks

Qty:

Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, &oslash; 3.9 and 0.63&quot;-

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63"
Model: 440 | Order No: 0563 4410

Sale Price	$2,340.90 USD
Regular Price	$2754.00 USD
Availability	3 to 4 Weeks3 to 4 Weeks

Qty:

Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor
Model: 440 | Order No: 0560 4402

Sale Price	$603.50 USD
Regular Price	$710.00 USD
Availability	1 Week1 to 2 Weeks

Qty:

Quantity

Testo 400 Universal IAQ Instrument
Model: 400 | Order No: 0560 0400

Sale Price	$1,698.30 USD
Regular Price	$1998.00 USD
Availability	1 to 2 Weeks

Qty:

Quantity

Testo 400 Air Flow Kit for TAB/commissioning professionals
Model: 400 | Order No: 0563 0407

Sale Price	$3,285.25 USD
Regular Price	$3865.00 USD
Availability	1 to 2 Weeks

Qty:

Quantity

Testo 400 IAQ Kit for commissioning and IAQ investigation professionals
Model: 400 | Order No: 0563 0408

Sale Price	$3,012.40 USD
Regular Price	$3544.00 USD
Availability	2 to 3 Weeks

Qty:

Quantity

Testo 400 Combo Kit for comfort professionals in high performance buildings
Model: 400 | Order No: 0563 0409

Sale Price	$4,051.10 USD
Regular Price	$4766.00 USD
Availability	3 to 4 Weeks

Qty:

Quantity

Testo 417 Digital Vane Anemometer, 59.1 to 3937 fpm, 0 to 58,857 CFM
Model: 417 | Order No: 0563 0417

Sale Price	$403.75 USD
Regular Price	$475.00 USD
Availability	1 Week1 to 2 Weeks

Qty:

Quantity

Testo 535 Digital CO<sub>2</sub> Measuring Instrument, 0 to 10,000 ppm-

Testo 535 Digital CO₂ Measuring Instrument, 0 to 10,000 ppm
Model: 535 | Order No: 0563 0535 01

Sale Price	$505.75 USD
Regular Price	$595.00 USD
Availability	1 Week

Qty:

Quantity

Testo 317-3 Probeless Ambient CO Meter
Model: 317-3 | Order No: 0632 3173

Sale Price	$265.20 USD
Regular Price	$312.00 USD
Availability	1 Week

Qty:

Quantity

Testo 410-1 Rotating Vane Thermo-Anemometer
Model: 410-1 | Order No: 0560 4101

Sale Price	$158.95 USD
Regular Price	$187.00 USD
Availability	5 Days1 to 2 Weeks

Qty:

Quantity

Testo 410-2 Rotating Vane Thermo-Anemometer w/ Humidity
Model: 410-2 | Order No: 0560 4102

Sale Price	$257.55 USD
Regular Price	$303.00 USD
Availability	5 Days1 to 2 Weeks

Qty:

Quantity

Testo 405i Hot-wire Anemometer Wireless Smart Probe
Model: 405i | Order No: 0560 1405 01

Sale Price	$168.30 USD
Regular Price	$198.00 USD
Availability	1 Week1 to 2 Weeks

Qty:

Quantity

Showing 1 to 20 of 30 products

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IAQ

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, ø 0.35" Model: 440 | Order No: 0563 4400

Qty:

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 0.63" Model: 440 | Order No: 0563 4401

Qty:

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 3.9" Model: 440 | Order No: 0563 4403

Qty:

Testo 440 Air Velocity and IAQ Measuring Instrument with digital humidity/temperature probe, ø 0.47" Model: 440 | Order No: 0563 4404

Qty:

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO2 probe Model: 440 | Order No: 0563 4405

Qty:

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9" Model: 440 | Order No: 0563 4406

Qty:

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO2 probe and digital turbulence probe, 3.9" Model: 440 | Order No: 0563 4408

Qty:

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9" Model: 440 | Order No: 0563 4409

Qty:

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63" Model: 440 | Order No: 0563 4410

Qty:

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor Model: 440 | Order No: 0560 4402

Qty:

Testo 400 Universal IAQ Instrument Model: 400 | Order No: 0560 0400

Qty:

Testo 400 Air Flow Kit for TAB/commissioning professionals Model: 400 | Order No: 0563 0407

Qty:

Testo 400 IAQ Kit for commissioning and IAQ investigation professionals Model: 400 | Order No: 0563 0408

Qty:

Testo 400 Combo Kit for comfort professionals in high performance buildings Model: 400 | Order No: 0563 0409

Qty:

Testo 417 Digital Vane Anemometer, 59.1 to 3937 fpm, 0 to 58,857 CFM Model: 417 | Order No: 0563 0417

Qty:

Testo 535 Digital CO2 Measuring Instrument, 0 to 10,000 ppm Model: 535 | Order No: 0563 0535 01

Qty:

Testo 317-3 Probeless Ambient CO Meter Model: 317-3 | Order No: 0632 3173

Qty:

Testo 410-1 Rotating Vane Thermo-Anemometer Model: 410-1 | Order No: 0560 4101

Qty:

Testo 410-2 Rotating Vane Thermo-Anemometer w/ Humidity Model: 410-2 | Order No: 0560 4102

Qty:

Testo 405i Hot-wire Anemometer Wireless Smart Probe Model: 405i | Order No: 0560 1405 01

Qty:

NIST Calibrations& Repairs

In-House Services

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, ø 0.35"
Model: 440 | Order No: 0563 4400

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 0.63"
Model: 440 | Order No: 0563 4401

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 3.9"
Model: 440 | Order No: 0563 4403

Testo 440 Air Velocity and IAQ Measuring Instrument with digital humidity/temperature probe, ø 0.47"
Model: 440 | Order No: 0563 4404

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO₂ probe
Model: 440 | Order No: 0563 4405

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"
Model: 440 | Order No: 0563 4406

Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO₂ probe and digital turbulence probe, 3.9"
Model: 440 | Order No: 0563 4408

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9"
Model: 440 | Order No: 0563 4409

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63"
Model: 440 | Order No: 0563 4410

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor
Model: 440 | Order No: 0560 4402

Testo 400 Universal IAQ Instrument
Model: 400 | Order No: 0560 0400

Testo 400 Air Flow Kit for TAB/commissioning professionals
Model: 400 | Order No: 0563 0407

Testo 400 IAQ Kit for commissioning and IAQ investigation professionals
Model: 400 | Order No: 0563 0408

Testo 400 Combo Kit for comfort professionals in high performance buildings
Model: 400 | Order No: 0563 0409

Testo 417 Digital Vane Anemometer, 59.1 to 3937 fpm, 0 to 58,857 CFM
Model: 417 | Order No: 0563 0417

Testo 535 Digital CO₂ Measuring Instrument, 0 to 10,000 ppm
Model: 535 | Order No: 0563 0535 01

Testo 317-3 Probeless Ambient CO Meter
Model: 317-3 | Order No: 0632 3173

Testo 410-1 Rotating Vane Thermo-Anemometer
Model: 410-1 | Order No: 0560 4101

Testo 410-2 Rotating Vane Thermo-Anemometer w/ Humidity
Model: 410-2 | Order No: 0560 4102

Testo 405i Hot-wire Anemometer Wireless Smart Probe
Model: 405i | Order No: 0560 1405 01

NIST Calibrations
& Repairs