Fluke 975 AirMeter Air Quality Meter w/ Velocity Probe

Feature

Range

Display resolution

Accuracy

Measured specifications

Temperature
-20 °C to 50 °C (-5 °F to 122 °F)
0.1 °F (0.1 °C)
± 0.9 °C/± 1.62°F from 40 °C to 50 °C
± 0.5 °C/± 1.00°F from 5 °C to 40 °C
± 1.1 °C/± 1.98 °F from -20 °C to 5 °C

Relative humidity
10 % to 90 % RH non-condensing
1 %
± 2 % RH (10 % RH to 90 % RH)

Air velocity
0.50 fpm to 3000 fpm
0.25 m/sec to 15 m/sec
1 fpm (0.005m/sec)
± 4% or 4 fpm*
± 4 % or 0.02 m/sec* whichever is greater
*Accuracy specification only valid for velocity readings above 50 fpm

CO2
0 to 5000 ppm
1 ppm
Warm up time 1 min (5 minutes for full specification) 2.75 % + 75 ppm

CO
0 to 500 ppm
1 ppm
± 5 % or ± 3 ppm, whichever is greater, @ 20 °C and 50 % RH

Calculated specifications

Dew point temperature
-44 °C to 50 °C (-47 °F to 122 °F)
0.1 °C (0.1 °F)
± 1 °C when temp: -20 °C to 50 °C RH: 40 % to 90 %
± 2 °C when temp: -20 °C to 50 °C RH: 20 % to 40 %
± 4 °C when RH: 10 % to 20 %

Wet bulb temperature
-16 °C to 50 °C (3 °F to 122 °F)
0.1 °C (0.1 °F)
± 1.2 °C when RH: 20 % to 90 % temp: -20 °C to 50 °C
± 2.1 °C when RH: 10 % to 20 %

Volume flow rate (in a duct)
0 to 3,965 M3/m
(0 to 140,000 cfm)
0.001 M3/min (1 cfm)
N/A: The volume flow calculation will be a simple average of the data points times the duct area

% outside air (based on temperature)
0 to 100 %
0.1 %
N/A

% outside air (based on CO2)
0 to 100 %
0.1 %
N/A

General specifications

Operating temperature: CO and CO2 sensors
-20 °C to 50 °C (-4 °F to 122 °F)

Operating temperature: All other functions
-20 °C to 50 °C (-4 °F to 122 °F)

Storage temperature
-20 °C to 50 °C (-4 °F to 122 °F)

Humidity
10 % to 90 % (non-condensing)

Altitude
Up to 2000 m (6562 ft)

Shock and vibration
MIL-PRF-28800F: Class 2

Multi-language interface
English, French, Spanish, Portuguese and German

Battery
Rechargeable Li-Ion (primary), three-AA (backup)

Data logging
25,000 records (continuous), 99 records (discrete)