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Kestrel 4100 Weather Anemometer measures everything you need to know on a job site!
Features & Applications:
The Kestrel 4100 Weather Anemometer is the new revolution in HVAC monitoring.
Features:
- Air flow in cfm, L/s, m³/s, m³/m, m³/h
- Air Velocity in ft/m, mph, m/s, km/h, kts, Beaufort
- Temperature in °F or °C
- Humidity in %
- Additional measurements of dewpoint, wind chill and heat stress index
- Data Logger (automatic and manual)
- Minimum, Maximum and Average values
- Multi-Function 3-line display
- Impeller can be replaced without tools
- Graphical Display for logged values
- Upload to a computer (with optional interface)
- Backlight for low light conditions
- Includes neck and wrist lanyards, protective pouch and 2 AAA batteries
- Assembled in the USA
Applications:
- Crop dusting & spraying
- Fire fighting
- Mining ventilation
- Ventilation (HVAC)
- Education
Spec Summary:
| Air Velocity |
|
| Accuracy: |
±3% |
| Response Time: |
1 second |
| Calibration Drift: |
<2% after 100 hours use at 7m/s |
| Knots: |
0.6 to 78 |
| Meters per Second: |
0.3 to 40 |
| Kilometers per Hour: |
1.0 to 144 |
| Miles per Hour: |
0.7 to 89 |
| Feet per Minute: |
59 to 7877 |
| Beaufort Force: |
1 to 16 |
| Air Flow |
|
| Accuracy; |
±3% |
| Response Time: |
1 second |
| Calibration Drift: |
<2% after 100 hours use at 7m/s |
| Cubic Feet per Minute: |
0 to 99,999 |
| Liters per Second: |
0 to 99,999 |
| Cubic Meters per Second: |
0 to 99,999 |
| Cubic Meters per Minute: |
0 to 99,999 |
| Cubic Meters per Hour: |
0 to 99,999 |
| Temperature |
|
| Accuracy: |
|
| Temperature: |
±1°C |
| Wind Chill: |
±1°C |
| Dew Point: |
±2°C |
| Heat Index: |
±3°C |
| Response Time: |
Approximately 1 minute for most conditions |
| Celsius: |
-29 to 70 |
| Fahrenheit: |
-20 to 158 |
| Relative Humidity |
|
| Accuracy: |
±3% |
| Response Time: |
Approximately 1 minute for most conditions |
| Calibration Drift: |
±2% over 24 months (can be field calibrated) |
| Percent: |
5 to 95% |
| Display |
|
| Update: |
1 second |
| Temperature Range: |
Normal operation from -4 to 140°F [-20 to 60°C]. Below -4°F [-20°C],
accurate readings may be taken by keeping the unit warmer than
-4°F [ -20°C] and exposing it for the minimum time necessary to take
a reading (less than 1 minute). |
| Storage Temperature: |
-22°F to 140°F [-30°C to 60°C]. |
| Auto Shutdown: |
After 15 minutes of no button presses. (This feature can be disabled.) |
| Physical |
|
| Battery: |
Two AAA alkaline batteries (included). Typical life, 400 hours |
| Impeller: |
1in. [25 mm.] diameter, sapphire bearings, light weight.
User-replaceable impeller/housing assembly |
| Temperature Sensor: |
Hermetically sealed precision thermistor. |
| Humidity Sensor: |
Solid state silicon capacitive sensor |
| Dimensions: |
5 x 1.8 x 1.1 in. [12.7 x 4.5 x 2.8 cm.] |
| Weight: |
3.6 oz. [102 g.] |
*Specifications are subject to change.
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