Chi tiết sản phẩm

- 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

Chi tiết
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
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)
Data Sheet »