| Kestrel Products are proudly supplied by Australian Sky and Weather |
 |
CFM made easy!
1. Select shape of duct....
2. Set dimensions....
3. Hold meter in air flow....
Results! That easily.
No equations or calculators
required!
Finally, a hand held unit that measures everything
you need to know on a job site. The Kestrel 4100 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
- Humidity sensor can be
recalibrated in the field with our Relative Humidity Calibration
Kit.
- 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
- 2-year warranty
- Assembled in the USA
- US
Patent Nos. 5,783,753 and 5,939,645 and 6,257,074
|
| Specifications
|
| Air Velocity |
| Accuracy |
±3% |
| Response Time |
1 second |
| Calibration Drift |
<2% after 100 hours use at 7m/s |
| Units |
Display |
Resolution |
Range |
| Knots |
KTS |
0.1 |
0.6 to 78 |
| Meters per Second |
M/S |
0.1 |
0.3 to 40 |
| Kilometers per Hour |
KM/H |
0.1 |
1.0 to 144 |
| Miles per Hour |
MPH |
0.1 |
0.7 to 89 |
| Feet per Minute |
FPM |
1 |
59 to 7877 |
| Beaufort Force |
BEAU |
1 |
1 to 16 |
| Air Flow |
| Accuracy |
±3% |
| Response Time |
1 second |
| Calibration Drift |
<2% after 100 hours use at 7m/s |
| Units |
Display |
Resolution |
Range |
| Cubic Feet per Minute |
cfm |
1 |
0 to 99,999 |
| Liters per Second |
L/s |
1 |
0 to 99,999 |
| Cubic Meters per
Second |
m³/s |
1 |
0 to 99,999 |
| Cubic Meters per
Minute |
m³/m |
1 |
0 to 99,999 |
| Cubic Meters per Hour |
m³/h |
1 |
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 |
| Units |
Display |
Resolution |
Range |
| Celsius |
°C |
0.1 |
-29 to 70 |
| Fahrenheit |
°F |
0.1 |
-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) |
| Units |
Display |
Resolution |
Range |
| Percent |
% |
0.1 |
5 to 95% |
| Display |
| Update |
1 second |
| Temperature Range |
Normal operation from -20°C to 60°C [-4°F to
140°F]. Below
-20°C [-4°F], accurate readings may be taken by keeping the unit warmer than -20°C
[-4°F] and exposing it for the minimum time necessary to take a reading (less than 1
minute). |
| Storage Temperature |
-30°C to 60°C [-22°F to 140°F]. |
| 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 |
25 mm. [1in.] diameter, sapphire bearings, light
weight. User-replaceable impeller/housing assembly. |
| Temperature Sensor |
Hermetically sealed precision
thermistor. |
| Humidity Sensor |
Solid state silicon capacitive
sensor. |
| Dimensions |
12.7 x 4.5 x 2.8 cm. [5 x 1.8 x 1.1
in.] |
| Weight |
102 g. [3.6 oz.] |
| Warranty |
Standard 2-year covers parts and
labor. |
|
*Specifications are preliminary and
are subject to change.
Pricing Details
Recommended retail price: $ 499
(incl GST) 
Australian Sky and Weather price: $
489 (incl GST)
Additional Pricing Details
Computer interface & software: $
178 (incl GST)
Courier & handling charges apply |