FLUKE
– Máy đo lưu lượng không khí Fluke-975
Model:
Fluke 975
Hãng
sản xuất: FLUKE – MỸ
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
|
|
|
Shock and vibration
|
|
|
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
|
|
Không có nhận xét nào:
Đăng nhận xét