IAQ Logger

Five-channel indoor air quality logger with a 10-year battery life

The IAQ Logger (when combined with the Telaire 7001 Handheld CO2 Monitor) accurately records the three leading indicators of indoor air quality including temperature, relative humidity, and carbon dioxide.

Key Features

  • Five cahnnels
  • 32KB memory for almost 33,000 readings
  • Industry-leading 10-year battery life
  • 3-year warranty

 Ordering Information

ModelCatalog #Order
SR-IAQ (logger only)01-0340Buy Now
Telaire (CO2 monitor)35-0034Buy Now
IAQ-101 System* (Serial)01-0338Buy Now
IAQ-102 System* (USB)01-0328Buy Now

*IAQ System includes: Telaire CO2 monitor (comes with North American power supply only); IAQ data logger (temperature, RH & CO2); Harness; TrendReader 2 Software; Serial or USB interface cable


Size107 mm x 74 mm x 22mm (4.2” x 2.9” x 0.9”)
Weight110 g (3.75 oz)
Case MaterialNoryl® plastic
Operating Limits-40 to 70ºC (-40 to 158ºF) and 0 to 95% RH (non-condensing)
Battery3.6 volt Lithium
Battery Life10 years under normal use (factory replaceable)
Memory Size32 KB (32,767 readings)
Sampling Methods1. Continuous (First-in, First out)
2. Stop when full (Fill-then-stop)
Sampling RatesFrom 8 seconds to once every 5 days
Resolution8-bit (1 part in 256)
PC RequirementsIBM PC or 100% compatible with at least 2 MB RAM, 2 MB of hard drive disk space and one free serial port
Software RequirementsTrendReader® 2 - compatible with Windows XP, Windows Vistat, Windows 7, Windows 8 & Windows 10

Temperature Sensor Specifications

TypeNTC Thermistor
Range-40 to 70ºC (-40 to 158ºF)
Accuracy+/- 0.2ºC over the range of 0 to 70ºC (+/- 0.3ºF over the range of 32 to 158ºF)
Resolution0.4ºC (0.7ºF) @ 25ºC; better than 1ºC (1.8ºF) between -25 and 70°C (-13º and 158ºF); better than 2.0ºC (3.6°F) between -40 and -25°C (-40ºF and -13ºF)

RH Sensor Specifications

TypeCapacitive thin polymer film
Range0 to 95% RH
Accuracy+/- 4% RH from 10 to 90% (-20 to 40ºC [-4 to 104ºF])
ResolutionBetter than 0.4% RH between 25 and 60% RH at 25ºC (77ºF)

CO2 Sensor Specifications (in Telaire)

Range0 to 4,000 ppm voltage output (0 to 10,000 ppm on display)
Sensitivity+/- 1 ppm
Accuracy+/- 50 ppm or +/- 5 % of reading (whichever is greater)
Repeatability+/- 20 ppm

More information