THÔNG SỐ KỸ THUẬT:
- Nhiệt độ không khí:
+ Dải đo: -20 °C đến 50 °C (-5 °F đến 122 °F)
+ Độ phân giải: 0.1 °C (0.1 °F)
+ Cấp chính xác:
0.9 °C/± 1.62°F từ 40 °C đến 60 °C
0.5 °C/± 1.00°F từ 5 °C đến 40 °C
1.1 °C/± 1.98 °F từ -20 °C đến 5 °C
- Độ ẩm tương đối:
+ Giải đo: 10 % đến 90 % RH, không đọng nước
+ Độ phân giải: 1%
+ Cấp chính xác: ± 2 % RH (10 % RH đến 90 % RH)
- Tốc độ gió (option sensor)
+ Giả đo: 50.0 fpm đến 3000 fpm (0.25 m/sec đến 15 m/sec)
+ Độ phân giải: 1 fpm (0.005m/sec)
+ Cấp chính xác: ±4 %
- C0:
+ Gải đo: 0 đến 500 ppm
+ Độ phân giải: 1 ppm
+ Cấp chính xác: ± 5 % or ± 3 ppm,
- C02:
+ Giải đo: 0 đến 5000 ppm
+ Độ phân giải: 1 ppm
+ Cấp chính xác: 2.75% + 75 ppm
Phụ kiện: 3 pin AA, HDSD, Calibration Cap, hộp cứng, Phần mềm, Power Adapter
Hãng sản xuất: Fluke
Xuất xứ: USA
Bảo hành: 12 tháng
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
|
*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 |
|
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) |
|