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
Rechargeable Li-Ion 74 V 2600 mAh
Battery type
(4) AAA
(4) AA
(1) 9V
Warranty
2 years
2 years
1 year
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
±4000 Pascals/±16 in H 2 O/±400 mm H 2 0/±40 m bar/±06 psi ±1% + 1 Pascal/±1% + 001 in H 2 O/±1% + 01 mm H 2 O/±1% + 001 m bar/±1% + 00001 psi 250 to 16,000 fpm/1 to 80 m/s ±25% of reading at 2000 fpm (1000 m/s)
Air pressure range
Air pressure accuracy
Air velocity range
Air velocity accuracy
Air flow (volume) range
0 to 99,999 cfm
Accuracy is a function of velocity and duct size
Air flow (volume) accuracy
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 45°C (±05°C); -20°C to 0°C and 45°C to 60°C (±10°C)
Temperature accuracy
0°C to 50°C (±01°C)
Relative humidity range
5% to 95% RH
0% to 90% RH
10% to 90% RH @ 23°C (±25% RH); < 10% or > 90% RH @ 23°C (±50% RH)
0% to 90% RH @ 23°C (±20% RH)
Relative humidity accuracy
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
283 L/min (01 cfm)
03 µm - 100 µm (6 channel) Raw counts, #/m 3 , #/ft 3 , #/liter in Cumulative or Differential mode 50% @ 03 μm; 100% for particles > 045 μm (per ISO 21501) 10% @ 4,000,000 particles per ft 3 (per ISO 21501)
Cound modes
Counting efficiency
Concentration limits
fluke co/aiq
Environmental Testing
67
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