Ace AI-77597 Portable Air Quality Monitor

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  In Stock

(However please contact store for precise delivery schedule. Backorder also allowed)

Ace AI-77597 Portable Air Quality Monitor is a versatile instrument designed for comprehensive environmental monitoring. This compact device offers real-time measurements of key parameters including Carbon Monoxide (CO), Carbon Dioxide (CO2), Temperature, Humidity, Dew Point Temperature, and Wet Bulb Temperature. It is a valuable tool for professionals in various industries, providing essential data for ensuring indoor air quality, safety, and comfort.
Applications: offices, classrooms, factories, hospitals, workplaces, residential buildings, commercial establishments, and hotels.

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Ace AI-77597 Portable Air Quality Monitor is equipped with advanced sensors to monitor Carbon Monoxide (CO), Carbon Dioxide (CO2), Temperature, Humidity, Dew Point Temperature, and Wet Bulb Temperature in real time. This AI- 77597 Combo CO2, CO, Temperature, and RH (Relative Humidity) Meter is a portable and dependable instrument that employs Non-Dispersive Infrared (NDIR) technology, ensuring both reliability and long-term stability in its measurements. This versatile device is particularly valuable for validating the performance of HVAC systems and maintaining precise control over air ventilation.
Features of Ace  Portable Air Quality Monitor: 

  • Portable professional meters for monitoring and documenting indoor air quality.
  • This indoor air quality meter is equipped with a large LCD display featuring a blue backlight for optimal visibility in low-light or dark environments.
  • A single-touch device for instant display of CO2 levels, dew point temperature, wet bulb temperature, air temperature, humidity, and CO levels.
  • Audible alarm (80 dB) threshold setting.
  • Up to 32000 points auto-logging memory.
  • User-friendly manual calibration for CO2 measurement within the optimal fresh air range of 380-420 ppm.
  • Calibrate the relative humidity (RH) sensor with this portable indoor air quality monitor using 33% and 75% salt solutions.

Additional information

Weight 1 kg

Ace Instruments

Measuring Parameters

Temperature, Humidity, Co & Co2

Temperature Range

-20-60°c (-5~140 F)



Temperature Response Time

<2 mins (90% step change)

Relative Humidity




Carbon Monoxide

0 to 1000 PPM


+/-3 ppm 20ppm, +/-5 ppm 100ppm

Carbon Dioxide

0 – 9999 ppm

CO2 Resolution

1 ppm

CO2 Accuracy

±30 ppm ±5% of reading (0~5000 ppm), other range are not specified

CO2 Response Time

<30 Seconds (90% step change)

CO2 Warm-up Time

30 Seconds

Dew Point Temp. (DP)

-20 to 59.9℃

Wet Bulb Temp. (WB)

-5 to 59.9℃

LCD Display

44(L) * 26(W) mm

CO2 Sensor Operating Temperature

-20 to 50℃

CO Sensor Operating Temperature

0 to 50℃

Other parameters Operating Temperature

-20 to 60℃

Storage Temperature

-20 to 60℃

Storage Humidity

10~90% RH (avoid condensation)

Power Supply

AA * 4 PCS or 9V adaptor

Supply Scope

Meter, Manual, Batteries, USB Cable & CD, Hard Carry Case


> 24 hours (Alkaline Battery)

IP Rating

IP 40


EN 50270:2015


200 Grams

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Portable Air Quality Monitor

Ace AI-77597 Portable Air Quality Monitor