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Air Quality Monitors

Whether you are working in a laboratory, factory, office, or simply want to ensure that your home is pollutant-free, Air Quality Monitors are a vital tool for measuring the condition of the air around you.

Air Quality Monitors (also known as pollution monitors) are devices which are used to accurately check the quality of indoor and outdoor air. Many monitors provide an alert when air qua...

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Orium Quaelis 20 Air Quality Meter, Measures CO2, Humidity, Temperature, VOC, +50°C Max, 95%RH Max
Orium Quaelis 20 Air Quality Meter, Measures CO2, Humidity, Temperature, VOC, +50°C Max, 95%RH MaxOrium Quaelis 20 Air Quality Meter, Measures CO2, Humidity, Temperature, VOC, +50°C Max, 95%RH Max
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RS Stock No. 209-7635
Brand Orium
Manufacturers Part No. 23656

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Orium
+50°C
± 1 °C
-
-
0.1°C
Air Quality Monitor
95%RH
± 1 %RH
-
CO2, Humidity, Temperature, VOC
-
-
-
Quaelis 20
No
-
-
-
-
-
-
LED
-
-
-
-
-
-
RS PRO Data Logging Air Quality Monitor, Measures Humidity, PM 2.5, Temperature, +50°C Max, 95%RH Max, Battery-Powered
RS PRO Data Logging Air Quality Monitor, Measures Humidity, PM 2.5, Temperature, +50°C Max, 95%RH Max, Battery-PoweredRS PRO Data Logging Air Quality Monitor, Measures Humidity, PM 2.5, Temperature, +50°C Max, 95%RH Max, Battery-Powered
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RS Stock No. 205-0086
Brand RS PRO

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RS Pro
+50°C
±1.0 °C
-
Battery
±1.0°C
Air Quality Monitor
95%RH
±8.0 %RH
0.1%RH
Humidity, PM 2.5, Temperature
-
-
-
-
Yes
Rechargable Lithium
±8 hrs
215g
81mm
-
+5°C
TFT LCD
-
55mm
+40°C
84mm
-
-
Orium Quaelis 34 Air Quality Meter, Measures CO2, Humidity, Particulate Matter, Temperature, TVOC, +50°C Max, 90%RH Max
Orium Quaelis 34 Air Quality Meter, Measures CO2, Humidity, Particulate Matter, Temperature, TVOC, +50°C Max, 90%RH MaxOrium Quaelis 34 Air Quality Meter, Measures CO2, Humidity, Particulate Matter, Temperature, TVOC, +50°C Max, 90%RH Max
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RS Stock No. 209-7636
Brand Orium
Manufacturers Part No. 23658

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Orium
+50°C
± 1 °C
-
-
1°C
Air Quality Monitor
90%RH
± 4 %RH
-
CO2, Humidity, Particulate Matter, Temperature, TVOC
-
-
-
Quaelis 34
No
-
-
-
-
-
-
Backlit LCD
-
-
-
-
-
-
Testo 405i, 410i, 605i, 805i Data Logging Probe, Measures Air Velocity, Humidity, Temperature, Volume Flow, +60°C Max,
Testo 405i, 410i, 605i, 805i Data Logging Probe, Measures Air Velocity, Humidity, Temperature, Volume Flow, +60°C Max,Testo 405i, 410i, 605i, 805i Data Logging Probe, Measures Air Velocity, Humidity, Temperature, Volume Flow, +60°C Max,
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RS Stock No. 201-2161
Brand Testo
Manufacturers Part No. 0563 0003 10

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Testo
+60°C
-
-
Battery
0.1°C
Smart Probes
100%RH
±3.0 %RH
0.1%RH
Air Velocity, Humidity, Temperature, Volume Flow
-
-
-
405i, 410i, 605i, 805i
Yes
AAA
-
-
-
-
-10 °C, -20 °C
LCD
-
-
+50°C
-
-
-
Orium Quaelis 10 Data Logging Air Quality Meter, Measures CO2, Humidity, Temperature, +70°C Max, 99.9%RH Max
Orium Quaelis 10 Data Logging Air Quality Meter, Measures CO2, Humidity, Temperature, +70°C Max, 99.9%RH MaxOrium Quaelis 10 Data Logging Air Quality Meter, Measures CO2, Humidity, Temperature, +70°C Max, 99.9%RH Max
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RS Stock No. 209-7632
Brand Orium
Manufacturers Part No. 23621

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Orium
+70°C
± 0.3 °C
-
-
0.1°C
Air Quality Monitor
99.9%RH
± 3 %RH
-
CO2, Humidity, Temperature
-
-
-
Quaelis 10
Yes
-
-
-
-
-
-
LED
-
-
-
-
-
-
Werma KombiSIGN 72 CO2 Detector, Measures CO2, +35°C Max, Mains-Powered
Werma KombiSIGN 72 CO2 Detector, Measures CO2, +35°C Max, Mains-PoweredWerma KombiSIGN 72 CO2 Detector, Measures CO2, +35°C Max, Mains-Powered
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RS Stock No. 221-7806
Brand Werma
Manufacturers Part No. 649.000.10

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Werma
+35°C
-
-
Mains
-
Air Quality Monitor
-
-
-
CO2
-
1000ppm
50ppm +/-5 %
KombiSIGN 72
No
-
-
591g
287mm
-
+10°C
Colour
-
70mm
+35°C
-
-
-
Lascar Data Logging Air Quality Monitor, Measures Humidity, Particulate Matter, Pressure, Temperature, VOC, +60°C Max,
Lascar Data Logging Air Quality Monitor, Measures Humidity, Particulate Matter, Pressure, Temperature, VOC, +60°C Max,Lascar Data Logging Air Quality Monitor, Measures Humidity, Particulate Matter, Pressure, Temperature, VOC, +60°C Max,
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RS Stock No. 236-9425
Brand Lascar
Manufacturers Part No. EL-WEM

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Lascar
+60°C
±0.6°C at 15°C
-
Mains
0.1°C
Air Quality Monitor
100%RH
±3 %
1%RH
Humidity, Particulate Matter, Pressure, Temperature, VOC
-
-
-
-
Yes
Li-ion Polymer
-
635g
170.5mm
-
-20°C
LED
-
77mm
-
77mm
-
77 x 77 x 170.5mm
Orium Quaelis 14 CO2 Sensor, Measures CO2, Humidity, Temperature, +50°C Max, 99%RH Max, Rechargeable Battery Via USB
Orium Quaelis 14 CO2 Sensor, Measures CO2, Humidity, Temperature, +50°C Max, 99%RH Max, Rechargeable Battery Via USBOrium Quaelis 14 CO2 Sensor, Measures CO2, Humidity, Temperature, +50°C Max, 99%RH Max, Rechargeable Battery Via USB
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RS Stock No. 237-7892
Brand Orium
Manufacturers Part No. 11325

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Orium
+50°C
± 1 %
1ppm
Rechargeable Battery Via USB Cable
1°C
Air Quality Monitor
99%RH
± 2 %RH
-
CO2, Humidity, Temperature
-
-
-
Quaelis 14
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Orium Quaelis 16 CO2 Sensor, Measures CO2, Humidity, Temperature, +70°C Max, 99.9%RH Max, Rechargeable Battery Via USB
Orium Quaelis 16 CO2 Sensor, Measures CO2, Humidity, Temperature, +70°C Max, 99.9%RH Max, Rechargeable Battery Via USBOrium Quaelis 16 CO2 Sensor, Measures CO2, Humidity, Temperature, +70°C Max, 99.9%RH Max, Rechargeable Battery Via USB
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RS Stock No. 237-7893
Brand Orium
Manufacturers Part No. 11334

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Orium
+70°C
± 0.3 °C
1ppm
Rechargeable Battery Via USB Cable And Mains Adapter Supplied
0.1°C
Air Quality Monitor
99.9%RH
± 3 %RH
-
CO2, Humidity, Temperature
-
-
-
Quaelis 16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Orium Quaelis 18 CO2 Sensor Clock, Measures CO2, +50°C Max, 95%RH Max, Mains-Powered
Orium Quaelis 18 CO2 Sensor Clock, Measures CO2, +50°C Max, 95%RH Max, Mains-PoweredOrium Quaelis 18 CO2 Sensor Clock, Measures CO2, +50°C Max, 95%RH Max, Mains-Powered
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RS Stock No. 237-7890
Brand Orium
Manufacturers Part No. 11295

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Orium
+50°C
± 2 °C
1ppm
Mains
1°C
Air Quality Monitor
95%RH
± 3 %RH
-
CO2
-
-
-
Quaelis 18
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RS PRO RS-326 Air Quality Meter, Measures CO2, Humidity, Temperature, +50°C Max, 100%RH Max, Battery, USB-Powered
RS PRO RS-326 Air Quality Meter, Measures CO2, Humidity, Temperature, +50°C Max, 100%RH Max, Battery, USB-PoweredRS PRO RS-326 Air Quality Meter, Measures CO2, Humidity, Temperature, +50°C Max, 100%RH Max, Battery, USB-Powered
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RS Stock No. 236-2654
Brand RS PRO

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RS Pro
+50°C
±1 %
1ppm
Battery, USB
0.1°C
Air Quality Meter
100%RH
±3.5 %RH
-
CO2, Humidity, Temperature
-
-
-
RS-326
-
AA
-
210g
25mm
-
-10°C
LCD
-
103mm
-
-
-
-
Chauvin Arnoux CA1510 Data Logging Air Quality Monitor, Measures CO2, Humidity, Temperature, +60°C Max, 95%RH Max,
Chauvin Arnoux CA1510 Data Logging Air Quality Monitor, Measures CO2, Humidity, Temperature, +60°C Max, 95%RH Max,Chauvin Arnoux CA1510 Data Logging Air Quality Monitor, Measures CO2, Humidity, Temperature, +60°C Max, 95%RH Max,
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RS Stock No. 229-8958
Brand Chauvin Arnoux
Manufacturers Part No. P01651010

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Chauvin Arnoux
+60°C
±0.5 °C
1ppm
Battery
0.1°C
Air Quality Monitor
95%RH
±2 %RH
-
CO2, Humidity, Temperature
-
-
-
CA1510
Yes
-
-
-
-
-
-
LCD
-
-
-
-
-
-
Kane KANE 101 Air Quality Meter, Measures CO, CO2, Humidity, Temperature, +60°C Max, 95%RH Max, Battery-Powered
Kane KANE 101 Air Quality Meter, Measures CO, CO2, Humidity, Temperature, +60°C Max, 95%RH Max, Battery-PoweredKane KANE 101 Air Quality Meter, Measures CO, CO2, Humidity, Temperature, +60°C Max, 95%RH Max, Battery-Powered
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RS Stock No. 181-0416
Brand Kane
Manufacturers Part No. KANE101

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Kane
+60°C
±1 %
1ppm
Battery
0.1°C
Air Quality Monitor
95%RH
±5 %RH
0.1%RH
CO, CO2, Humidity, Temperature
±10%
1ppm
±10%
KANE 101
-
Rechargeable NiMH
6 h
1kg
90mm
1000ppm
0°C
-
0ppm
45mm
+45°C
200mm
5000ppm
200 x 45 x 90mm
Orium Quaelis 36 Air Quality Monitor, Measures Formaldehyde, Humidity, PM 2.5, Temperature, TVOC, +50°C Max, 95%RH Max
Orium Quaelis 36 Air Quality Monitor, Measures Formaldehyde, Humidity, PM 2.5, Temperature, TVOC, +50°C Max, 95%RH MaxOrium Quaelis 36 Air Quality Monitor, Measures Formaldehyde, Humidity, PM 2.5, Temperature, TVOC, +50°C Max, 95%RH Max
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RS Stock No. 209-7633
Brand Orium
Manufacturers Part No. 23623

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Orium
+50°C
± 1 °C
-
-
1°C
Air Quality Monitor
95%RH
± 5 %RH
-
Formaldehyde, Humidity, PM 2.5, Temperature, TVOC
-
-
-
Quaelis 36
No
-
-
-
-
-
-
LED
-
-
-
-
-
-
Orium Quaelis 40 Data Logging Air Quality Meter, Measures Benzene, Formaldehyde, Humidity, PM 2.5, PM 10, Temperature,
Orium Quaelis 40 Data Logging Air Quality Meter, Measures Benzene, Formaldehyde, Humidity, PM 2.5, PM 10, Temperature,Orium Quaelis 40 Data Logging Air Quality Meter, Measures Benzene, Formaldehyde, Humidity, PM 2.5, PM 10, Temperature,
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RS Stock No. 209-7638
Brand Orium
Manufacturers Part No. 23662

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Orium
+45°C
± 1.5 °C
-
-
1°C
Air Quality Monitor
90%RH
± 5 %RH
-
Benzene, Formaldehyde, Humidity, PM 2.5, PM 10, Temperature, TVOC
-
-
-
Quaelis 40
Yes
-
-
-
-
-
-
Backlit LCD
-
-
-
-
-
-
RS PRO DT-802 Air Quality Monitor, Measures CO2, Humidity, Temperature, +50°C Max, 90%RH Max, Mains-Powered
RS PRO DT-802 Air Quality Monitor, Measures CO2, Humidity, Temperature, +50°C Max, 90%RH Max, Mains-PoweredRS PRO DT-802 Air Quality Monitor, Measures CO2, Humidity, Temperature, +50°C Max, 90%RH Max, Mains-Powered
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RS Stock No. 212-1725
Brand RS PRO

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RS Pro
+50°C
±1 (-5 → +50 °C) °C
-
Mains
0.1°C
Air Quality Monitor
90%RH
±5 %RH
-
CO2, Humidity, Temperature
-
±1ppm
-
DT-802
-
-
-
230g
110mm
-
-5°C
LCD
-
105mm
-
61mm
9999ppm
110 x 105 x 61mm
RS PRO DT-802D Data Logging Air Quality Monitor, Measures CO2, Humidity, Temperature, +50°C Max, 90%RH Max, Battery,
RS PRO DT-802D Data Logging Air Quality Monitor, Measures CO2, Humidity, Temperature, +50°C Max, 90%RH Max, Battery,RS PRO DT-802D Data Logging Air Quality Monitor, Measures CO2, Humidity, Temperature, +50°C Max, 90%RH Max, Battery,
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RS Stock No. 212-1726
Brand RS PRO

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RS Pro
+50°C
±1 (-5 → +50 °C) °C
-
Battery, Mains
0.1°C°C
Air Quality Monitor
90%RH
±5 %RH
-
CO2, Humidity, Temperature
-
±1ppm
-
DT-802D
Yes
NiMH
-
230g
110mm
-
-5°C
LCD
-
105mm
-
61mm
9999ppm
110 x 105 x 61mm
Testo 440 Laboratory Kit Data Logging Air Quality Meter, Measures Temperature, +400°C Max, Battery-Powered
Testo 440 Laboratory Kit Data Logging Air Quality Meter, Measures Temperature, +400°C Max, Battery-PoweredTesto 440 Laboratory Kit Data Logging Air Quality Meter, Measures Temperature, +400°C Max, Battery-Powered
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RS Stock No. 201-2166
Brand Testo
Manufacturers Part No. 0563 4412

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Testo
+400°C
-
-
Battery
0.01°C
Air Quality Meter
-
-
-
Temperature
-
-
-
440 Laboratory Kit
Yes
-
-
-
-
-
-
LCD
-
-
-
-
-
-
Werma KombiSIGN 72 CO2 Detector, Measures CO2, +35°C Max, Mains-Powered
Werma KombiSIGN 72 CO2 Detector, Measures CO2, +35°C Max, Mains-PoweredWerma KombiSIGN 72 CO2 Detector, Measures CO2, +35°C Max, Mains-Powered
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RS Stock No. 221-7807
Brand Werma
Manufacturers Part No. 649.000.14

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Werma
+35°C
-
-
Mains
-
Air Quality Monitor
-
-
-
CO2
-
-
50ppm +/-5%
KombiSIGN 72
-
-
-
591g
287mm
-
+10°C
Colour
800ppm
70mm
+35°C
287mm
2000ppm
70 (Dia.) x 287mm
RS PRO RS-96 Air Quality Meter, Measures Humidity, PM 2.5, PM 10, Temperature, +122 °F, +50 °C Max, 100%RH Max,
RS PRO RS-96 Air Quality Meter, Measures Humidity, PM 2.5, PM 10, Temperature, +122 °F, +50 °C Max, 100%RH Max,RS PRO RS-96 Air Quality Meter, Measures Humidity, PM 2.5, PM 10, Temperature, +122 °F, +50 °C Max, 100%RH Max,
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RS Stock No. 155-8903
Brand RS PRO

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RS Pro
+122 °F, +50 °C
2 °F, ±1 °C
-
Battery
-
Air Quality Meter
100%RH
±3.5 %RH @ 20 → 80 %RH, ±5 %RH @ 0 → 20 %RH, 80 → 100 %RH %RH
-
Humidity, PM 2.5, PM 10, Temperature
-
-
-
RS-96
-
Li-Ion
-
139g
185mm
-
-
LCD
-
38mm
-
55mm
-
-