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Kestrel 5000AG Livestock Environmental Meter + Bluetooth LINK
The Kestrel 5000AG Livestock Environmental Meter + Bluetooth LINK is an indispensable tool for anyone involved in livestock management. This compact yet rugged meter quickly and effectively assesses environmental conditions in barns, storage facilities, during animal transport, or in open areas where livestock are kept.
The Kestrel 5000AG Livestock Environmental Meter + Bluetooth LINK is an indispensable tool for anyone involved in livestock management. This compact yet rugged meter quickly and effectively assesses environmental conditions in barns, storage facilities, during animal transport, or in open areas where livestock are kept. Thanks to Kestrel’s advanced technology, you can easily measure and record parameters such as air speed, humidity, temperature, dew point, heat index, THI (Temperature-Humidity Index), and many more. These data points are crucial for maintaining optimal microclimate conditions and reducing the risk of animal heat stress, which in turn affects their health, performance, and overall well-being.
Specifically developed for producers, breeders, veterinarians, and animal health professionals, the Kestrel 5000AG excels both indoors (e.g., in poultry houses, pigsties, or barns) and outdoors. The 5000AG model allows for logging up to 10,000 sets of time-stamped data, which can be easily transferred to a computer or mobile device if you choose the LiNK-enabled version. When used with the Rotating Vane Mount, you can transform your Kestrel 5000AG into a portable weather station, which can be left in place for days or even weeks at a time.
The Kestrel 5000AG Measures:
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Air Flow (CFM)
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Altitude (Barometric)
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Barometric Pressure
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Density Altitude
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Dew Point Temperature
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Heat Stress Index
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Relative Humidity
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Station Pressure (Absolute Pressure)
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Temperature
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Temperature-Humidity Index (THI)
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Wet Bulb Temperature (Psychrometric)
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Wind Chill
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Wind Speed / Air Speed
Key Product Features
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Multiple parameter measurements: air speed and flow, temperature, humidity, dew point, heat index, THI, barometric pressure, and more
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Heat stress analysis: calculates THI (Temperature-Humidity Index) using NRC or Yousef formulas for managing animal heat stress
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Rugged, waterproof housing: meets MIL-STD-810G (drop-resistance) and IP67 (waterproof), ensuring performance in harsh conditions
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Wide temperature operating range: reliable under varying, demanding climates
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Data logging memory: stores up to 10,000 sets of time-stamped data
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LiNK connectivity (Bluetooth): in the LiNK version, you can transfer data to mobile devices (iOS, Android) or a PC/Mac, as well as update the meter’s firmware
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Portable weather station: mount in the Rotating Vane Mount for continuous monitoring of conditions over days or weeks
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Indoor and outdoor use: ideal for barns, poultry houses, pigsties, livestock transport, fields, or storage facilities
Technical Specifications
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Model: Kestrel 5000AG Livestock Environmental Meter
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Power Source: 1× AA battery (included)
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Data Logging Capacity: up to 10,000 sets of time-stamped data
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Connectivity: optional LiNK (Bluetooth Low Energy) – compatible with iOS, Android, PC, Mac (via Kestrel LiNK Dongle or Data Cable)
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Housing: meets MIL-STD-810G (drop-tested from 1.2 m), IP67 (waterproof up to 1 m for 30 min)
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Dimensions & Weight: compact, lightweight – fits in a pocket or personal kit
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Accessories: includes AA battery, lanyard, protective pouch, user manual; wide array of optional accessories (Rotating Vane Mount, tripods, cases)
The Kestrel 5000AG Livestock Environmental Meter is the ideal solution for farmers, veterinarians, consultants, and all professionals in the agricultural sector who want to provide optimal living conditions for their animals. With extensive measurement functions and the ability to log and transfer data, the Kestrel meter supports effective microclimate management and helps maximize both productivity and animal welfare under a variety of conditions.
| SENSORS | ||||
|---|---|---|---|---|
| SENSORS | ACCURACY | RESOLUTION | SPECIFICATION RANGE | NOTES |
| Wind Speed | Air Speed | Larger of 3% of reading, least significant digit or 20 ft/min Speed |
0.1 m/s 1 ft/min 0.1 km/h 0.1 mph 0.1 knots 1 B* 0.1 F/S* |
0.6 to 40.0 m/s 118 to 7,874 ft/min 2.2 to 144.0 km/h 1.3 to 89.5 mph 1.2 to 77.8 knots 0 to 12 B* 2-131.2* |
1 inch | 25 mm diameter impeller with precision axle and low-friction Zytel® bearings. Startup speed stated as lower limit, readings may be taken down to 0.4 m/s | 79 ft/min | 1.5 km/h | 0.9 mph | 0.8 kt after impeller startup. Off-axis accuracy: -1% @ 5°, -2% @ 10°, -3% @ 15°. Calibration drift < 1% after 100 hours use at 16 MPH | 7 m/s. Replacement impeller (NK PN-0801) field installs without tools (US Patent 5,783,753). Wind speed calibration and testing should be done with the triangle on the impeller located at the top front face of the Kestrel. Measuring wind speeds above 60 m/s | 134.2 mph can damage the impeller. |
| Ambient Temperature | 0.9 °F 0.5 °C |
0.1 °F 0.1 °C |
-20.0 to 158.0 °F -29.0 to 70.0 °C |
Airflow of 2.2 mph | 1 m/s or greater provides fastest response and reduction of insolation effect. For greatest accuracy, avoid direct sunlight on the temperature sensor and prolonged sunlight exposure to the unit in low airflow conditions. Calibration drift is negligible for the life of the product. For further details, see Display & Battery Operational Temperature Limits. |
| Relative Humidity | 2%RH | 0.1 %RH | 10 to 90% 25°C noncondensing | To achieve stated accuracy, the unit must be permitted to equilibrate to external temperature when exposed to large, rapid temperature changes and be kept out of direct sunlight. Calibration drift is typically less than ±0.25% per year. |
| Pressure | 1.5 hPa | mbar 0.044 inHg 0.022 PSI |
0.1 hPa | mbar 0.01 inHg 0.01 PSI |
25°C / 77°F 700-1100 hPa | mbar 20.67-32.48 inHg 10.15-15.95 PSI |
Monolithic silicon piezo-resistive pressure sensor with second-order temperature correction. Between 1100–1600 mbar, the unit will operate with reduced accuracy. Sensor may not operate above 1600 mbar and can be damaged above 6,000 mbar or below 10 mbar. Calibration drift is negligible for the life of the product. |
| Compass | 5° | 1° 1/16th Cardinal Scale |
0 to 360° | 2-axis solid-state magneto-resistive sensor mounted perpendicular to the unit plane. Accuracy depends on the unit’s vertical orientation. Self-calibration routine corrects magnetic error from batteries or unit and must be run after every full power-down (battery removal or change). Readout indicates the direction to which the back of the unit is pointed when held vertically. Declination/variation adjustable for True North readout. |
| CALCULATED MEASUREMENTS | |||
|---|---|---|---|
| MEASUREMENT | ACCURACY (+/-) | RESOLUTION | SENSORS EMPLOYED |
| Air Density | 0.0002 lb/ft³ 0.0033 kg/m³ |
0.001 lb/ft³ 0.001 kg/m³ |
Temperature, Relative Humidity, Pressure |
| Air Flow | 6.71% | 1 cfm 1 m³/hr 1 m³/min 0.1 m³/s 1 L/s |
Air Speed, User Input (Duct Shape & Size) |
| Altitude | typical: 23.6 ft / 7.2 m from 750 to 1100 mBar max: 48.2 ft / 14.7 m from 300 to 750 mBar |
1 ft 1 m |
Pressure, User Input (Reference Pressure) |
| Barometric Pressure | 0.07 inHg 2.4 hPa/mbar 0.03 PSI |
0.01 inHg 0.1 hPa/mbar 0.01 PSI |
Pressure, User Input (Reference Altitude) |
| Crosswind & Headwind/Tailwind | 7.1% | 1 mph 1 ft/min 0.1 km/h 0.1 m/s 0.1 knots |
Wind Speed, Compass |
| Delta T | 3.2 °F 1.8 °C |
0.1 °F 0.1 °C |
Temperature, Relative Humidity, Pressure |
| Density Altitude | 226 ft 69 m |
1 ft 1 m |
Temperature, Relative Humidity, Pressure |
| Dew Point | 3.4 °F 1.9 °C 15-95% RH. Refer to Temperature Sensor Range |
0.1 °F 0.1 °C |
Temperature, Relative Humidity |
| Evaporation Rate | 0.01 lb/ft²/hr 0.06 kg/m²/hr |
0.01 lb/ft²/hr 0.01 kg/m²/hr |
Wind Speed, Temperature, Relative Humidity, Pressure, User Input (Concrete Temp) |
| Heat Index | 7.1 °F 4.0 °C |
0.1 °F 0.1 °C |
Temperature, Relative Humidity |
| Moisture Content | Humidity Ratio (“Grains”) | 4.9 gpp 0.7 g/kg |
0.1 gpp 0.01 g/kg |
Temperature, Relative Humidity, Pressure |
| Probability of Ignition (PIG) | PIG Accuracy dependent on proximity of inputs to reference table steps. |
10% | Temperature, Relative Humidity |
| THI (NRC) | 1.5 °F 0.8 °C |
0.1 °F 0.1 °C |
Temperature, Relative Humidity |
| THI (Yousef) | 2.3 °F 1.3 °C |
0.1 °F 0.1 °C |
Temperature, Relative Humidity |
| Relative Air Density | ±0.3% | 0.1% | Temperature, Relative Humidity, Pressure |
| Wet Bulb Temperature - Psychrometric | 3.2 °F 1.8 °C |
0.1 °F 0.1 °C |
Temperature, Relative Humidity, Pressure |
| Wet Bulb Temperature - Naturally Aspirated (NWB TEMP) |
1.4 °F 0.8 °C |
0.1 °F 0.1 °C |
Wind Speed, Temperature, Globe Temperature, Relative Humidity, Pressure |
| Wind Chill | 1.6 °F 0.9 °C |
0.1 °F 0.1 °C |
Wind Speed, Temperature |
| ADDITIONAL PRODUCT INFO | |
|---|---|
| Display & Backlight | Multifunction, multidigit monochrome dot-matrix display. Choice of white or red LED backlight. |
| Response Time & Display Update | Display updates every 1 second. After exposure to large environmental changes, all sensors require an equilibration period to reach stated accuracy. Measurements employing RH may require longer periods, particularly after prolonged exposure to very high or very low humidity. WBGT requires ~8 minutes to reach 95% accuracy and ~15 minutes to reach 99% accuracy after large environmental changes. |
| Data Storage & Graphical display Min/Max/Avg History |
Logged history is stored and displayed for every measured value. Manual and auto data storage. Min/Max/Avg history can be reset independently. Auto-store interval is adjustable from 2 seconds to 12 hours* with overwrite on or off. Logs even when display is off, except for 2 and 5 second intervals. Kestrel 5 series units hold over 10,000 data points. |
| Data Upload & Bluetooth Data Connect Option |
Wireless range up to 100 ft. Connection requires an optional USB data transfer cable or Kestrel Link Dongle, or Kestrel LiNK app. Uses Kestrel Link protocol for |
| Compare All Livestock and Agriculture Models | ||||
|---|---|---|---|---|
| MEASUREMENTS | DROP D2AG |
5000AG |
5500AG |
5400AG |
| Temperature | ✔ | ✔ | ✔ | ✔ |
| Relative Humidity | ✔ | ✔ | ✔ | ✔ |
| Heat Stress Index | ✔ | ✔ | ✔ | ✔ |
| Temperature-Humidity Index (THI) | ✔ | ✔ | ✔ | ✔ |
| Dew Point Temp. | ✔ | ✔ | ✔ | ✔ |
| Wind Speed/Air Speed | ✔ | ✔ | ✔ | |
| Wind Chill | ✔ | ✔ | ✔ | |
| Wet Bulb Temp. (Psychrometric) | ✔ | ✔ | ✔ | |
| Station Pressure (Absolute Pressure) | ✔ | ✔ | ✔ | |
| Barometric Pressure | ✔ | ✔ | ✔ | |
| Altitude | ✔ | ✔ | ✔ | |
| Density Altitude | ✔ | ✔ | ✔ | |
| Volume Air Flow | ✔ | ✔ | ✔ | |
| Wind Direction | ✔ | |||
| Crosswind / Headwind / Tailwind | ✔ | |||
| Delta T | ✔ | |||
| Globe Temp. | ✔ | |||
| Naturally Aspirated Wet Bulb Temp. | ✔ | |||
| Wet Bulb Globe Temp. (WBGT) | ✔ | |||
| Heat Load Index (HLI) | ✔ | |||
| Accumulated Heat Load Units (AHLU) | ✔ | |||
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