Description
Features
The Fluke 975 offers an unparalleled feature set 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, CO 2 , 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
- CO 2 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 Fluke View Forms® software
| 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 (0.005 m/sec) | |
| Accuracy | ±4% or 4 fpm1 ±4% or 0.02 m/sec1 whichever is greater |
|
| 1. 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) | |
| Manufacturer Warranty | Two-years | |
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