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Kestrel 2500NV Weather Meter / Digital Altimeter +NV Backlight
Product Overview
Kestrel 2500NV Pocket Weather Meter with Night Vision Overview
The Kestrel 2500NV takes the great features of the Kestrel 2000 and adds in a pressure sensor. Predict fish and wildlife activity as well as when bad weather is headed your way with the three-hour pressure trend indicator. With its easy-to-use digital pressure altimeter, you have the perfect instrument for any outdoor activity – get conditions in seconds right in the palm of your hand. In addition to predicting weather activity, barometric pressure also influences a bullet’s trajectory, which is why the Kestrel 2500NV is used by shooters and hunters when accuracy is important.
Note: The Kestrel 2500NV has a night-vision preserving backlight which helps users to sustain natural night vision. The NV’s backlight incorporates an optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. Additionally, NV backlights are also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations. This backlight appears soft greyish pink, not red, and is still in the visible spectrum, so it is not compatible with night-vision equipment.
It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. Even a short burst of white, yellow, green or blue light “bleaches out” the rod cell photoreceptors in the eye and causes night blindness until the entire adaptation process can take place again. Light in the red spectrum does not cause this “bleaching out”, preventing night blindness and night vision fatigue.
Kestrel Weather & Environmental Meters are designed & manufactured in the U.S.A and are backed by our 5-year warranty. Innovatively designed for stability and accuracy in abrupt condition changes. Rugged and durable, Kestrels are drop tested, waterproof and designed to float if dropped in water.
Features
- 3-Button Control
- Backlight – Night Vision Preserving Light Red
- Data Hold Function
- Date & Time
- Drop-Tested to MIL-STD-810G
- Floats
- Hard Slip-On Protective Cover
- High Contrast, Sunlight Readable Monochrome LCD Display
- Minimum/Maximum/Average Reading
- Pressure Sensor
- Temperature Sensor (Patented External Isolated)
- Waterproof to IP67 (3’/1M for 30 minutes)
Includes
- A slip-on protective cover
- Neck lanyard
- CR2032 coin cell battery (Average life 300 hours)
- 5 Year Warranty
- Kestrel Certificate of Conformity
Kestrel Meter 2500 Videos
UNBOXING THE KESTREL 2500
Specifications
| Physical | |
| Dimensions | 122mm x 42mm x 20mm |
| Cover dimensions | 122mm x 46mm x 26mm |
| Weight | 65g |
| Cover weight | 37g |
| Lanyard | 0.5m |
| Case colour | Gold or olive drab for NV version |
| Display type | Reflective 4 digit LCD |
| Digit height | 9mm |
| Display update | 1 second |
| Display | |
| Functions (with on screen prompt) |
Current wind speed (3 second average) (SPd) Average speed since power on (AVG) (SPd) Maximum 3 second gust since power on (MAX) (SPd) Temperature (deG) Wind chill (chill) Barometric pressure (bAro) Altitude (ALt) Data hold (HOLD) |
| Speed units | kt, m/s, km/h, mph, ft/min, Beaufort Force (B) |
| Temperature units | °C, °F |
| Pressure units | hPa, inHg |
| Altitude units | m, ft |
| Performance | |
| Speed (1 sec response) | |
| Operational range | 0.4m/s to 60m/s (0.8 to 135.0mph) |
| Specification range |
0.6m/s to 40m/s (1.3 to 89.0mph) Start-up speed stated as lower limit, readings may be taken down to 0.4 m/s | 79 ft/min | 1.5 km/h | .9 mph | .8 kt after impeller start-up. |
| On axis accuracy | Larger of ± 3% of reading or least significant digit. (Some loss of accuracy from bearing wear may occur with sustained operation at or near maximum speed) |
| Off-axis response | -1% @ 5°, -2% @ 10°, -3% at 15° |
| Calibration drift | <1% after 100hrs operation at 7m/s |
| Resolution | 0.1 kt, m/s, km/h, mph. 1 FPM below 1999 FPM, 10 FPM above 2000 FPM. 1 Beaufort (0 to 12) |
| Temperature (1 sec response) | |
| Operational range | -45.0°C to +125.0°C |
| Specification range | -29.0°C to +70.0°C |
| Accuracy | ±1°C |
| Resolution | 0.1° |
| Wind chill accuracy | ±1.0°C (from wind speed and temperature) |
| Barometric Pressure (1 sec response) | |
| Operational range | 10 to 1100 hPa at 25°C |
| Specification range | 750 to 1100 hPa at 25°C |
| Resolution | 0.1 hPa |
| Accuracy | ±1.5 hPa (max error over range 0°C to 70°C: ±2.0 hPa) |
| Calibration drift | Typically ±1 hPa per year (correctable) |
| Altitude (1 sec response) | |
| Specification range | -2000m to +6000m at 25°C |
| Accuracy | ±15m (max error out of spec range: ±30m) |
| Resolution | 1m or 1ft |
| Sensor | |
| Impeller |
Diameter 25mm. High precision axle and low-friction Zytel® bearings. Replacement impeller field installs without tools. |
| Temperature | Air, water or snow temperature. Hermetically-sealed, precision thermistor mounted externally and thermally isolated (US Patent 5,939,645) for rapid response. Airflow of 2.2 mph | 1 m/s or greater provides fastest response and reduction of insulation effect. Calibration drift negligible. |
| Pressure | Monolithic piezo-resistive silicon based sensor with second-order temperature correction |
| Environmental | |
| Sealing | Electronics enclosure IP67 and NEMA-6 [Water resistant] |
| Shock | Drop tested (MIL.STD.810F - unit only) |
| Temperature | Operating range: -10°C to +55°C (for LCD readability and batteries) Storage range: -30°C to +60°C |
| EMC | CE marked |
| Battery | Lithium coin cell CR2032, included, user replaceable |
| Battery Life | 300 hours of use, typical ± depending on backlight use |
| Auto switch off | 45 minutes after last key press |
| Cover | Snap on hard cover for protection |
| Miscellaneous | |
| Wind chill equivalent temperature calculation | Perceived temperature resulting from combined effect of wind speed and temperature. Utilises the (US) NWS Wind Chill Temperature (WCT) Index, revised 2001, with wind speed adjusted by a factor of 1.5 to yield equivalent results for wind speed measured at 10m above ground |
| Certification |
Wind speed, temperature and pressure measurements are tested during manufacture. A certificate of conformity (C of C) is included with each Kestrel. Calibration certificates are available for an additional fee. |
| Guarantee | 5 years |
| Shipping | This Item Ships from Fremantle, Perth, Western Australia |
Please allow 2 - 10 days for your order to arrive.
Although Most Stocked Products will generally Ship Overnight. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it!
Returns are easy.
simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!
Description
Kestrel 2500NV Weather Meter / Digital Altimeter +NV Backlight
Product Overview
Kestrel 2500NV Pocket Weather Meter with Night Vision Overview
The Kestrel 2500NV takes the great features of the Kestrel 2000 and adds in a pressure sensor. Predict fish and wildlife activity as well as when bad weather is headed your way with the three-hour pressure trend indicator. With its easy-to-use digital pressure altimeter, you have the perfect instrument for any outdoor activity – get conditions in seconds right in the palm of your hand. In addition to predicting weather activity, barometric pressure also influences a bullet’s trajectory, which is why the Kestrel 2500NV is used by shooters and hunters when accuracy is important.
Note: The Kestrel 2500NV has a night-vision preserving backlight which helps users to sustain natural night vision. The NV’s backlight incorporates an optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. Additionally, NV backlights are also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations. This backlight appears soft greyish pink, not red, and is still in the visible spectrum, so it is not compatible with night-vision equipment.
It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. Even a short burst of white, yellow, green or blue light “bleaches out” the rod cell photoreceptors in the eye and causes night blindness until the entire adaptation process can take place again. Light in the red spectrum does not cause this “bleaching out”, preventing night blindness and night vision fatigue.
Kestrel Weather & Environmental Meters are designed & manufactured in the U.S.A and are backed by our 5-year warranty. Innovatively designed for stability and accuracy in abrupt condition changes. Rugged and durable, Kestrels are drop tested, waterproof and designed to float if dropped in water.
Features
- 3-Button Control
- Backlight – Night Vision Preserving Light Red
- Data Hold Function
- Date & Time
- Drop-Tested to MIL-STD-810G
- Floats
- Hard Slip-On Protective Cover
- High Contrast, Sunlight Readable Monochrome LCD Display
- Minimum/Maximum/Average Reading
- Pressure Sensor
- Temperature Sensor (Patented External Isolated)
- Waterproof to IP67 (3’/1M for 30 minutes)
Includes
- A slip-on protective cover
- Neck lanyard
- CR2032 coin cell battery (Average life 300 hours)
- 5 Year Warranty
- Kestrel Certificate of Conformity
Kestrel Meter 2500 Videos
UNBOXING THE KESTREL 2500
Specifications
| Physical | |
| Dimensions | 122mm x 42mm x 20mm |
| Cover dimensions | 122mm x 46mm x 26mm |
| Weight | 65g |
| Cover weight | 37g |
| Lanyard | 0.5m |
| Case colour | Gold or olive drab for NV version |
| Display type | Reflective 4 digit LCD |
| Digit height | 9mm |
| Display update | 1 second |
| Display | |
| Functions (with on screen prompt) |
Current wind speed (3 second average) (SPd) Average speed since power on (AVG) (SPd) Maximum 3 second gust since power on (MAX) (SPd) Temperature (deG) Wind chill (chill) Barometric pressure (bAro) Altitude (ALt) Data hold (HOLD) |
| Speed units | kt, m/s, km/h, mph, ft/min, Beaufort Force (B) |
| Temperature units | °C, °F |
| Pressure units | hPa, inHg |
| Altitude units | m, ft |
| Performance | |
| Speed (1 sec response) | |
| Operational range | 0.4m/s to 60m/s (0.8 to 135.0mph) |
| Specification range |
0.6m/s to 40m/s (1.3 to 89.0mph) Start-up speed stated as lower limit, readings may be taken down to 0.4 m/s | 79 ft/min | 1.5 km/h | .9 mph | .8 kt after impeller start-up. |
| On axis accuracy | Larger of ± 3% of reading or least significant digit. (Some loss of accuracy from bearing wear may occur with sustained operation at or near maximum speed) |
| Off-axis response | -1% @ 5°, -2% @ 10°, -3% at 15° |
| Calibration drift | <1% after 100hrs operation at 7m/s |
| Resolution | 0.1 kt, m/s, km/h, mph. 1 FPM below 1999 FPM, 10 FPM above 2000 FPM. 1 Beaufort (0 to 12) |
| Temperature (1 sec response) | |
| Operational range | -45.0°C to +125.0°C |
| Specification range | -29.0°C to +70.0°C |
| Accuracy | ±1°C |
| Resolution | 0.1° |
| Wind chill accuracy | ±1.0°C (from wind speed and temperature) |
| Barometric Pressure (1 sec response) | |
| Operational range | 10 to 1100 hPa at 25°C |
| Specification range | 750 to 1100 hPa at 25°C |
| Resolution | 0.1 hPa |
| Accuracy | ±1.5 hPa (max error over range 0°C to 70°C: ±2.0 hPa) |
| Calibration drift | Typically ±1 hPa per year (correctable) |
| Altitude (1 sec response) | |
| Specification range | -2000m to +6000m at 25°C |
| Accuracy | ±15m (max error out of spec range: ±30m) |
| Resolution | 1m or 1ft |
| Sensor | |
| Impeller |
Diameter 25mm. High precision axle and low-friction Zytel® bearings. Replacement impeller field installs without tools. |
| Temperature | Air, water or snow temperature. Hermetically-sealed, precision thermistor mounted externally and thermally isolated (US Patent 5,939,645) for rapid response. Airflow of 2.2 mph | 1 m/s or greater provides fastest response and reduction of insulation effect. Calibration drift negligible. |
| Pressure | Monolithic piezo-resistive silicon based sensor with second-order temperature correction |
| Environmental | |
| Sealing | Electronics enclosure IP67 and NEMA-6 [Water resistant] |
| Shock | Drop tested (MIL.STD.810F - unit only) |
| Temperature | Operating range: -10°C to +55°C (for LCD readability and batteries) Storage range: -30°C to +60°C |
| EMC | CE marked |
| Battery | Lithium coin cell CR2032, included, user replaceable |
| Battery Life | 300 hours of use, typical ± depending on backlight use |
| Auto switch off | 45 minutes after last key press |
| Cover | Snap on hard cover for protection |
| Miscellaneous | |
| Wind chill equivalent temperature calculation | Perceived temperature resulting from combined effect of wind speed and temperature. Utilises the (US) NWS Wind Chill Temperature (WCT) Index, revised 2001, with wind speed adjusted by a factor of 1.5 to yield equivalent results for wind speed measured at 10m above ground |
| Certification |
Wind speed, temperature and pressure measurements are tested during manufacture. A certificate of conformity (C of C) is included with each Kestrel. Calibration certificates are available for an additional fee. |
| Guarantee | 5 years |
Shipping
| Shipping | This item ships to |
Delivery & Returns
Please allow 2 - 10 days for your order to arrive.
Although Most Stocked Products will generally Ship Overnight. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it!
Returns are easy.
simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!
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