- Temperature:
+ Range: -20 °C to 50 °C (-5 °F to 122 °F)
+ Display resolution: 0.1 °C (0.1 °F)
+ Accuracy:
0.9 °C/± 1.62°F from 40 °C to 60 °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:
+ Range: 10 % to 90 % RH, non-condensing
+ Display Resolution: 1%
+ Accuracy: ± 2 % RH (10 % RH to 90 % RH)
- Air velocity
Range: 50.0 fpm to 3000 fpm (0.25 m/sec to 15 m/sec)
Display Resolution: 1 fpm (0.005m/sec)
Accuracy: ±4 %
- C0:
+ Range: 0 to 500 ppm
+ Display Resolution: 1 ppm
+ Accuracy: ± 5 % or ± 3 ppm,
- C02:
+ Range: 0 to 5000 ppm
+ Display Resolution: 1 ppm
+ Accuracy: 2.75% + 75 ppm
Include: 3xAA Alkaline Batteries, Users Manual, Calibration Cap, Hard Carrying Case, FlukeView Forms Software, Power Adapter, International Power Plugs, Air velocity probe
Manufacturer: Fluke
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The Fluke 975 offers an unparalleled featureset for HVAC and facilities technicians, helping them work more quickly and accurately, with the ease of use and durability customers expect from a Fluke meter.
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- Simultaneously measures, logs, and displays temperature, humidity, CO2, and CO on a bright, backlit LCD display
- One-touch air flow and velocity with available probe*
- Wet bulb and dew point temperature
- % of outside air calculation
- CO2 and CO field calibration feature
- Self-test function at startup
- Auto-backlight
- Automatically compensates for barometric pressure changes
- Min/Max/Average on all measured and calculated readings
- Multi-language user interface
- Metric or standard units
- Audible and visual threshold alarms
- Extensive discrete or continuous data logging capacity, downloadable to PC via USB interface
- Keypad lock for security
- Included FlukeView Forms® software
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*Included with Fluke 975V, optional with Fluke 975
| Measured specifications |
| Temperature |
| Range: |
-20 °C to 50 °C (-5 °F to 122 °F) |
| Display resolution: |
0.1 °C (0.1 °F) |
| Accuracy: |
± 0.9 °C/± 1.62°F from 40 °C to 60 °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 |
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| Relative humidity |
| Range: |
10 % to 90 % RH, non-condensing |
| Display Resolution: |
1% |
| Accuracy: |
± 2 % RH (10 % RH to 90 % RH) |
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| Air velocity |
| Range: |
50.0 fpm to 3000 fpm
0.25 m/sec to 15 m/sec |
| Display Resolution: |
1 fpm (0.005m/sec) |
| Accuracy: |
±4 % or 4 fpm*
±4 % or 0.02 m/sec* whichever is greater
*Accuracy specification only valid for velocity readings above 50 fpm. |
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| C0 |
| Range: |
0 to 500 ppm |
| Display Resolution: |
1 ppm |
| Accuracy: |
± 5 % or ± 3 ppm, whichever is greater, @ 20 °C and
50 % RH |
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| C02 |
| Range: |
0 to 5000 ppm |
| Display Resolution: |
1 ppm |
| Accuracy: |
Warm up time 1 min (5 minutes for full specification) 2.75% + 75 ppm |
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| Calculated specifications |
| Dew point temperature |
| Range: |
-44 °C to 50 °C, (-47 °F to 122 °F) |
| Display Resolution: |
0.1 °C (0.1 °F) |
| Accuracy: |
± 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 % |
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| Wet bulb temperature |
| Range: |
-16 °C to 50 °C, (3 °F to 122 °F) |
| Display Resolution: |
0.1 °C, (0.1 °F) |
| Accuracy: |
± 1.2 °C when RH: 20 % to 90 % temp: -20 °C to 60 °C
± 2.1 °C when RH: 10 % to 20 % |
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| Volume flow rate (in a duct) |
| Range: |
0 to 3,965 M3/m, (0 to 140,000 cfm) |
| Display Resolution: |
0.001 M3/min, (1 cfm) |
| Accuracy: |
N/A: The volume flow calculation will be a simple average of the data points times the duct area |
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| % outside air (based on temperature) |
| Range: |
0 to 100% |
| Display Resolution: |
0.1 |
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| % outside air (based on CO2) |
| Range: |
0 to 100 % |
| Display Resolution: |
0.1 % N/A |
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| General specifications |
| Operating and storage temperature: |
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-20 °C to 50 °C (-4 °F to 122 °F) |
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| Humidity |
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10 % to 90 % (non-condensing) |
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| Altitude |
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| Shock and vibration |
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| Multi-language interface |
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English, French, Spanish, Portuguese and German |
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| Battery |
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Rechargeable Li-Ion (primary), three-AA (backup) |
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| Data logging |
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25,000 records (continuous), 99 records (discrete) |
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Data Sheet »
