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.


Testo 425 Thermal Anemometer Kit, Temperature, Flow and Volume Flow-

Testo 425 Thermal Anemometer Kit, Temperature, Flow and Volume Flow
Model: 425 | Order No: 400563 4251

Sale Price $650.25 USD
Regular Price $765.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $650.25 USD
Regular Price $765.00 USD
Availability 1 to 2 Weeks
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 $1294.55 USD
Regular Price $1523.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $1294.55 USD
Regular Price $1523.00 USD
Availability 3 to 4 Weeks
Quantity

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

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 $2775.25 USD
Regular Price $3265.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $2775.25 USD
Regular Price $3265.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"-

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 $1560.60 USD
Regular Price $1836.00 USD
Availability 3 Days

Qty:

Sale Price $1560.60 USD
Regular Price $1836.00 USD
Availability 3 Days
Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, ø 0.35"-

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

Sale Price $637.50 USD
Regular Price $750.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $637.50 USD
Regular Price $750.00 USD
Availability 1 to 2 Weeks
Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital humidity/temperature probe, ø 0.47"-

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

Sale Price $531.25 USD
Regular Price $625.00 USD
Availability 1 Week

Qty:

Sale Price $531.25 USD
Regular Price $625.00 USD
Availability 1 Week
Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 3.9"-

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

Sale Price $845.75 USD
Regular Price $995.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $845.75 USD
Regular Price $995.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probes, ø 3.9 and 0.63"-

Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probes, ø 3.9 and 0.63"
Model: 440 | Order No: 0563 4407

Sale Price $1211.25 USD
Regular Price $1425.00 USD
Availability 1 Week

Qty:

Sale Price $1211.25 USD
Regular Price $1425.00 USD
Availability 1 Week
Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor-

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

Sale Price $623.90 USD
Regular Price $734.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $623.90 USD
Regular Price $734.00 USD
Availability 1 to 2 Weeks
Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9"-

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 $1827.50 USD
Regular Price $2150.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $1827.50 USD
Regular Price $2150.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63"-

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 $2681.75 USD
Regular Price $3155.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $2681.75 USD
Regular Price $3155.00 USD
Availability 3 to 4 Weeks
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 $493.00 USD
Regular Price $580.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $493.00 USD
Regular Price $580.00 USD
Availability 1 to 2 Weeks
Quantity

Calibration Lab
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