Indoor Air Quality Meters

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Indoor air quality meters can gauge temperature, humidity (percent RH, wet-bulb, dew point), air velocity, carbon dioxide, carbon monoxide, and airborne particles; all factors that help measure occupant thermal comfort and assure a healthy indoor environment. Our instruments are designed for easy operation with a full range of advanced capabilities, such as data logging and statistical analysis.

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Fixed Indoor Air Quality Meters

Portable Indoor Air Quality Meters

Fixed Indoor Air Quality Meters

Portable Indoor Air Quality Meters

Showing 21 to 40 of 99 products

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	$3330.30 USD
Regular Price	$3918.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Sale Price	$3330.30 USD
Regular Price	$3918.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

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	$1873.40 USD
Regular Price	$2204.00 USD
Availability	3 Days1 to 2 Weeks

Qty:

Sale Price	$1873.40 USD
Regular Price	$2204.00 USD
Availability	3 Days1 to 2 Weeks
Quantity	Quantity

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:

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

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:

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

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

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	$2193.00 USD
Regular Price	$2580.00 USD
Availability	3 to 4 Weeks4 to 5 Weeks

Qty:

Sale Price	$2193.00 USD
Regular Price	$2580.00 USD
Availability	3 to 4 Weeks4 to 5 Weeks
Quantity	Quantity

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	$2340.90 USD
Regular Price	$2754.00 USD
Availability	3 to 4 Weeks3 to 4 Weeks

Qty:

Sale Price	$2340.90 USD
Regular Price	$2754.00 USD
Availability	3 to 4 Weeks3 to 4 Weeks
Quantity	Quantity

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:

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

RKI 73-1205-02K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2000 ppm, 24 V DC
Model: 73-1205-02K

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1205-05K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5000 ppm, 24 V DC
Model: 73-1205-05K

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1205-10K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 10,000 ppm, 24 V DC
Model: 73-1205-10K

Your Price	$1030.00 USD
Availability	6 to 7 Weeks7 to 8 Weeks

Qty:

Your Price	$1030.00 USD
Availability	6 to 7 Weeks7 to 8 Weeks
Quantity	Quantity

RKI 73-1205-20K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2 % ppm, 24 V DC
Model: 73-1205-20K

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1205-50K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5 % ppm, 24 V DC
Model: 73-1205-50K

Your Price	$1030.00 USD
Availability	1 to 2 Weeks2 to 3 Weeks

Qty:

Your Price	$1030.00 USD
Availability	1 to 2 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1206-02K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2000 ppm, 115 V AC
Model: 73-1206-02K

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1206-05K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5000 ppm, 115 V AC
Model: 73-1206-05K

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1206-10K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 10,000 ppm, 115 V AC
Model: 73-1206-10K

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1030.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1206-20K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2 % ppm, 115 V AC
Model: 73-1206-20K

Your Price	$1110.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1110.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

RKI 73-1206-50K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5 % ppm, 115 V AC
Model: 73-1206-50K

Your Price	$1110.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Your Price	$1110.00 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

Dwyer AQH-20 Indoor Air Quality Meter CO2 RH Temperature
Model: AQH-20

Sale Price	$412.89 USD
Regular Price	$451.25 USD
Availability	2 to 3 Weeks2 to 3 Weeks

Qty:

Sale Price	$412.89 USD
Regular Price	$451.25 USD
Availability	2 to 3 Weeks2 to 3 Weeks
Quantity	Quantity

AEMC CA 1510 Indoor Air Quality Monitor/Data Logger, white
Model: C.A 1510 | Order No: 2138.09

Sale Price	$579.50 USD
Regular Price	$610.00 USD
Availability	1 to 2 Weeks2 to 3 Weeks

Qty:

Sale Price	$579.50 USD
Regular Price	$610.00 USD
Availability	1 to 2 Weeks2 to 3 Weeks
Quantity	Quantity

Showing 21 to 40 of 99 products

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Indoor Air Quality Meters

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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 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 hot wire probe, ø 0.35" Model: 440 | Order No: 0563 4400

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

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

Qty:

RKI 73-1205-02K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2000 ppm, 24 V DC Model: 73-1205-02K

Qty:

RKI 73-1205-05K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5000 ppm, 24 V DC Model: 73-1205-05K

Qty:

RKI 73-1205-10K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 10,000 ppm, 24 V DC Model: 73-1205-10K

Qty:

RKI 73-1205-20K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2 % ppm, 24 V DC Model: 73-1205-20K

Qty:

RKI 73-1205-50K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5 % ppm, 24 V DC Model: 73-1205-50K

Qty:

RKI 73-1206-02K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2000 ppm, 115 V AC Model: 73-1206-02K

Qty:

RKI 73-1206-05K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5000 ppm, 115 V AC Model: 73-1206-05K

Qty:

RKI 73-1206-10K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 10,000 ppm, 115 V AC Model: 73-1206-10K

Qty:

RKI 73-1206-20K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2 % ppm, 115 V AC Model: 73-1206-20K

Qty:

RKI 73-1206-50K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5 % ppm, 115 V AC Model: 73-1206-50K

Qty:

Dwyer AQH-20 Indoor Air Quality Meter CO2 RH Temperature Model: AQH-20

Qty:

AEMC CA 1510 Indoor Air Quality Monitor/Data Logger, white Model: C.A 1510 | Order No: 2138.09

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

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 hot wire probe, ø 0.35"
Model: 440 | Order No: 0563 4400

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

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

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

RKI 73-1205-02K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2000 ppm, 24 V DC
Model: 73-1205-02K

RKI 73-1205-05K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5000 ppm, 24 V DC
Model: 73-1205-05K

RKI 73-1205-10K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 10,000 ppm, 24 V DC
Model: 73-1205-10K

RKI 73-1205-20K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2 % ppm, 24 V DC
Model: 73-1205-20K

RKI 73-1205-50K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5 % ppm, 24 V DC
Model: 73-1205-50K

RKI 73-1206-02K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2000 ppm, 115 V AC
Model: 73-1206-02K

RKI 73-1206-05K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5000 ppm, 115 V AC
Model: 73-1206-05K

RKI 73-1206-10K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 10,000 ppm, 115 V AC
Model: 73-1206-10K

RKI 73-1206-20K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 2 % ppm, 115 V AC
Model: 73-1206-20K

RKI 73-1206-50K RI-600 Stand Alone Carbon Dioxide Monitor, 0 to 5 % ppm, 115 V AC
Model: 73-1206-50K

Dwyer AQH-20 Indoor Air Quality Meter CO2 RH Temperature
Model: AQH-20

AEMC CA 1510 Indoor Air Quality Monitor/Data Logger, white
Model: C.A 1510 | Order No: 2138.09