FLUKE – Máy đo lưu lượng không khí Fluke-975 Model: Fluke 975

FLUKE – Máy đo lưu lượng không khí Fluke-975

Model: Fluke 975

Hãng sản xuất: FLUKE – MỸ

Tham khảo: http://www.fluke.com/fluke/vnen/HVAC-IAQ-Tools/Air-Testers/Fluke-975.htm?PID=56156

                             

Tính năng Máy đo lưu lượng không khí Fluke-975:

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.

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

Thông số kỹ thuật Máy đo lưu lượng không khí 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
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 % or 4 fpm* ±4 % or 0.02 m/sec* whichever is greater *Accuracy specification only valid for velocity readings above 50 fpm.
C0	Range:  0 to 500 ppm Display Resolution:  1 ppm Accuracy:  ± 5 % or ± 3 ppm, whichever is greater, @ 20 °C and 50 % RH
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

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 %
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 %
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
% outside air (based on temperature)	Range:  0 to 100% Display Resolution:  0.1
% outside air (based on CO2)	Range:  0 to 100 % Display Resolution:  0.1 % N/A

General specifications
Operating and 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)
Warranty	Two-years