Fluke Indoor Air Quality Meter Selection Guide
Models
Fluke 971
Fluke 922
Fluke 985
Fluke CO-220
Record storage
99 No
99 No
10,000
Downloadable data
USB or Ethernet
No
Battery type
(4) AAA 2 years
(4) AA
Rechargeable Li-Ion 7.4 V 2600 mAh
(1) 9V 1 year
Warranty
2 years
1 year
Indoor air diagnostic applications Air velocity
• •
Air pressure
Air flow (volume)
•
Carbon dioxide Carbon monoxide
•
Temperature
•
•
Humidity
•
•
Dew point/wet bulb
•
Particle concentration counting
•
Air pressure/air velocity/air flow Air pressure range
± 4000 Pascals/±16 inH 2 O/± 400 mmH 2 0/± 40 mbar/± 0.6 psi ± 1% + 1 Pascal/± 1% + 0.01 inH 2 O/± 1% + 0.1 mmH 2 O/± 1% + 0.01 mbar/± 1% + 0.0001 psi 250 to 16,000 fpm/1 to 80 m/s ± 2.5% of reading at 2000 fpm (10.00 m/s)
Air pressure accuracy
Air velocity range
Air velocity accuracy
Air flow (volume) range Air flow (volume) accuracy
0 to 99,999 cfm
Accuracy is a function of velocity and duct size
Temperature relative humidity Temperature range
-20 °C to 60 °C (-4 °F to 140 °F)
0 °C to 50 °C (32 °F to 122 °F) 0 °C to 50 °C (± .01 °C) 32 °F to 122 °F (± .01 °F)
Temperature accuracy
0 °C to 45 °C (± 0.5 °C)/-20 °C to 0 °C and 45 °C to 60 °C (± 1.0 °C) 32 °F to 113 °F (± 1.0 °F)/-4 °F to 32
°F and 113 °F to 140 °F (± 2.0 °F) 5 % to 95 % RH
Relative humidity range Relative humidity accuracy
0% to 90% RH
10% to 90% RH @ 23 °C (73.4 °F) (± 2.5% RH) < 10%, > 90% RH @ 23 °C (73.4 °F) (± 5.0% RH)
0% to 90% RH @ 23 °C (73.4 °F) (± 2.0% RH)
Carbon dioxide/carbon monoxide Carbon dioxide range
Carbon dioxide accuracy Carbon monoxide range Carbon monoxide accuracy
0 to 1000 ppm 5 % or ± 2 PPM
Particle counting Flow rate Particle size range
2.83 L/min (0.1 cfm)
0.3 µm - 10.0 µm (6 channel) Raw counts, #/m 3 , #/ft 3 , #/liter in Cumulative or Differential mode 50%@ 0.3 μm; 100% for particles > 0.45 μm (per ISO 21501) 10 % at 4,000,000 particles per ft 3 (per ISO 21501)
Cound modes
Counting efficiency
Concentration limits
www.fluke.com/au/IAQ
Indoor Air Quality
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