Our handheld Si-AQ Pro also be customized to support whatever specific type of toxic gas sensor(s) a warehouse air quality testing professional may need.

Read the Application notes

Up to 3 Gases
Temp., %RH, & Barometric Pressure Included
Real-Time Data Logging
Active Internal Sampling Pump
Large Internal Memory (2,000 Tests)
Optional Wireless Printer & Handheld Probe

    Measure details

    • Units
      ft/sec, inH2O, ppb, °F, °C, % RH, %, ppm, m/s, mbar
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    Measuring ranges

    • Relative Humidity
      5.00 % RH ... 95.00 % RH
    • Ambient Temperature
      -40.00 °C ... 125.00 °C
    • Ambient Temperature
      -40.00 °F ... 257.00 °F
    • Differential Pressure
      -40.00 inH2O ... 40.00 inH2O
    • Differential Pressure
      -100.00 mbar ... 100.00 mbar
    • Temperature Type K T1
      0.00 °C ... 1100.00 °C
    • Temperature Type K T1
      0.00 °F ... 2000.00 °F
    • Air Velocity (calculated)
      0.00 m/s ... 91.00 m/s
    • Air Velocity (calculated)
      0.00 ft/sec ... 300.00 ft/sec
    • CO2
      0.00 ppm ... 5000.00 ppm
    • CO
      0.00 ppm ... 200.00 ppm
    • CH2O (Formaldehyde)
      0.00 ppb ... 10000.00 ppb
    • H2S
      0.00 ppm ... 100.00 ppm
    • NO2
      0.00 ppm ... 20.00 ppm
    • O2
      0.00 % ... 25.00 %
    • SO2
      0.00 ppm ... 20.00 ppm
    • NO
      0.00 ppm ... 250.00 ppm
    • Barometric Pressure
      260.00 mbar ... 1260.00 mbar
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    Technical details

    • Battery life
      12 hours
    • Power supply
      12 Volt, 8 AH rechargeable Li-Ion battery pack
    • Protective cover
      1
    • Protective cover
      No
    • Interchangeable module
      No
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    1 PC Software & USB Cable
    1 Long Lasting Battery & AC Charger
    1 Factory Calibration Certificate
    1 Quick Start Guide