• TSI IAQ-Calc Air Quality Meter 7525

TSI Alnor IAQ-Calc Air Quality Meter 7525

$2,415.00 $2,173.50
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Shipping Weight:
6.00 LBS

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The TSI IAQ-Calc™ Indoor Air Quality Meter 7525 is ideal for investigating and monitoring indoor air quality. The 7525 instrument measures and data logs multiple parameters simultaneously. Measurements are CO2 (carbon dioxide), temperature, humidity; and calculations are dew point, wet bulb temperature, and % outside air.

Items Included:
  • Instrument
  • Hard carrying-case
  • (4) AA alkaline batteries
  • Operation and service manual
  • NIST calibration certificate
  • LogDat2 Downloading Software with USB cable
  • AC adapter

Product Specifications


Sensor Type:Dual-wavelength NDIR
Range:0 to 5,000 ppm
Accuracy:±3.0% of reading or ±50 ppm, whichever is greater
Resolution:1 ppm
Response Time:20 seconds
Sensor Type:Thermistor
Range:32 to 140°F (0 to 60°C)
Accuracy:±1.0°F (±0.5°C)
Resolution:0.1°F (0.1°C)
Reponse Time:30 seconds (90% of final value, air velocity at 400 ft/min [2 m/s])
Relative Humidity
Sensor Type:Thin-film capacitive
Range:5% to 95% RH
Accuracy:±3.0% RH
Resolution:0.1% RH
Response Time:20 seconds (for 63% of final value)