Kestrel 3500 Night Vision Waterproof Weather Meter/Digital Psychrometer, Olive Drab

SKU: KE0835NV

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Kestrel 3500 Night Vision Specifications

  • Wind Speed/Air Flow

    Accuracy (+/-): Larger of 3% of reading, least significant digit or 20'/min
    Resolution: 0.1 m/s,1 ft/min, 0.1 km/h, 0.1 mph, 0.1 knots,1 B
    Range: 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

  • Ambient Temperature

    Accuracy (+/-): 0.9 deg.F/-17.27deg. C, 0.5deg. C / 32.9deg. F
    Resolution: 0.1deg. F / -17.72, 0.1 deg.C / 32.18deg. F
    Specific Range: -20.0 to 158.0deg. F / -29.0 to 70.0deg. C
    Operational Range: 14.0.0 to 131.0deg. F / -10.0 to 55.0 deg.C

  • Relative Humidity

    Accuracy (+/-): 3.0 %RH
    Resolution: 0.1 %RH
    Specific Range: 5 to 95% non-condensing
    Operational Range: 0 to 100%

  • Altitude

    Accuracy (+/-): Typical: 23.6'/ 7.19m max: 48.2' / 14.69m
    Resolution: 1' / 0.30
    Range: Typical: 750 to 1100 mBar, Max: 300 to 750 mBar
    Sensors Employed: Pressure User Input (Reference Pressure)

  • Dewpoint

    Accuracy (+/-): 3.4 deg. F /-15.88deg. C, 1.9 deg. C / 35.42deg. F
    Resolution: 0.1 deg. F / -17.22deg. C
    Range: 15 to 95 % RH Refer to Range for Temperature Sensor
    Sensors Employed: Temperature Relative Humidity

  • Heat Index

    Accuracy (+/-): 7.1 deg.F / -13.83deg. C, 4.0 deg. C / 39.2deg. F
    Resolution: 0.1 deg. F / -17.22deg. CRange: 15 to 95 % RH Refer to Range for Temperature Sensor
    Sensors Employed: Temperature Relative Humidity

  • Wet Bulb Temperature - Psychrometric

    Accuracy (+/-): 3.2 deg. F /-16deg. C, 1.8deg. C / 35.24deg. F
    Resolution: 0.1 deg. F / -17.22deg. C
    Range: 15 to 95 % RH Refer to Range for Temperature Sensor
    Sensors Employed: Temperature Relative Humidity

  • Wind Chill

    Accuracy (+/-): 1.6 deg.F / -16.88deg., 0.9 deg.C / 33.62deg. F
    Resolution: 0.1 deg. F / -17.22deg. C
    Range: 15 to 95 % RH Refer to Range for Temperature Sensor
    Sensors Employed: Temperature Relative Humidity

  • Display & Backlight

    Reflective 5 digit LCD. Digit height 0.36 in / 9 mm. Choice of aviation green or visible red (NV models only) electroluminescent backlight. Manual activation with auto-off

  • Response Time & Display Update

    All measurements except those based on relative humidity respond accurately within 1 second. Relative humidity and all measurements which include RH in their calculation may require as long as 1 minute to fully equilibrate to a large change in the measurement environment. Display updates every 1 second.

  • Max/Avg Wind

    One-button clear and restart of Max Wind Gust and Average Wind measurement

  • Clock / Calendar

    Requires PC interface (USB or RS-232) or Bluetooth data transfer option and provided software

  • Auto Shutdown

    Requires PC interface (USB or RS-232) or Bluetooth data transfer option and provided software

  • Certifications

    CE certified, RoHS and WEEE compliant. Individually tested to NIST-traceable standards (written certificate of tests available at additional charge)

  • Origin

    Designed and manufactured in the USA from US and imported components. Complies with Regional Value Content and Tariff Code Transformation requirements for NAFTA Preference Criterion B

  • Battery Life

    CR2032. Average life, 300 hours. Battery life reduced by backlight use in 2000 to 3500 models.

  • Shock Resistance

    MIL-STD-810g, Transit Shock, Method 516.5 Procedure IV; unit only; impact may damage replaceable impeller

  • Sealing

    Waterproof (IP67 and NEMA-6).

  • Operational Temperature Limits

    14 to 131deg.F / -10 to 55deg. C

  • Storage Temperature

    -22.0 to 140.0 deg.F / -30 to 60deg. C

  • Dimensions

    4.8 x 1.7 x 0.7"/ 12.19 x 4.31 x 1.77cm

  • Weight

    2.3oz / 65.2g

  • UPC Code

    730650035014

About Kestrel 3500 Night Vision

For outdoor adventurers and professionals who demand the utmost in durability and precision, the Kestrel 3500 Night Vision Waterproof Weather Meter/Digital Psychrometer stands out as the quintessential environmental monitoring tool. Boasting a robust olive drab casing, this high-tech instrument is engineered to deliver accurate and real-time readings of critical weather conditions, including temperature, wind speeds, barometric pressure, and pressure trends over the last three hours.

The Kestrel 3500 Night Vision is the pinnacle of portability and reliability in the 3000 series, offering a comprehensive suite of weather measurements without the data logging capabilities of the more advanced 4000 series. This makes it the perfect choice for those who prioritize current weather stats over historical data accumulation.

In addition to its core functions, the Kestrel 3500 enhances its utility with the inclusion of altitude and barometric pressure measurements, essential for outdoor enthusiasts, sportsmen, and sportswomen who rely on precise environmental information to make critical decisions in the field. The pressure trend indicator, while not as detailed as the graphical representation found in the 4000 series, provides a simple arrow indicator that conveys the trend of the past three hours, ensuring users are informed even if the meter was previously powered off.

A standout feature of the Kestrel 3500 is its night-vision preserving backlight, which includes an optical filter to diminish overall brightness and minimize blue and green spectrum light, safeguarding night vision capabilities in low-light conditions. This thoughtful design element underscores the meter's suitability for use during any hour, under any sky.

Navigating through the Kestrel 3500's menu system is effortless, with nine different environmental measurement conditions at your fingertips. The device's external temperature sensor is encased in a waterproof shell, enabling users to accurately measure the temperature of various mediums, from water to snow, to ambient air. The sensitive, user-replaceable impeller technology is the cornerstone of the device's ability to provide precise wind speed information, solidifying the Kestrel 3500 as a reliable companion for all weather-related needs.

Whether you're a climber gauging the conditions for a summit push, a meteorologist capturing data in the field, or a military professional operating in challenging environments, the Kestrel 3500 Night Vision Waterproof Weather Meter/Digital Psychrometer is the definitive choice for real-time, accurate environmental readings.

Kestrel 3500 Night Vision Features

  • Barometric pressure
  • Altitude
  • Relative humidity
  • Heat stress index
  • Dewpoint
  • Wet bulb temperature
  • Wind chill
  • Air, water and snow temperature
  • Current wind speed
  • Average wind speed
  • Maximum wind gust
  • Real-time clock
  • Waterproof and floats
  • Large easy-to-read display with backlight
  • Data hold function
  • High precision pressure sensor
  • Quick response, external thermistor
  • Forecast weather with pressure trend indicator
  • Humidity sensor can be recalibrated in the field with the Relative Humidity Calibration Kit
  • Innovative, thermally adjusted humidity sensor designed for stability and accuracy in abrupt condition changes
  • Patented user-replaceable impeller
  • Reliable, portable and easy to use
  • Protective cover with sure-grip overmolding

Key Features

  • High-tech, durable weather meter ideal for outdoor enthusiasts and professionals
  • Accurate real-time readings of temperature, wind speeds, and barometric pressure
  • Night-vision preserving backlight for optimal use in low-light conditions
  • User-friendly menu system with nine different environmental measurement conditions
  • Waterproof external temperature sensor for diverse medium measurements
  • Sensitive, user-replaceable impeller technology for precise wind speed information

What's in the box:

  • Kestrel 3500 Night Vision Waterproof Weather Meter/Digital Psychrometer
  • Slip-On Protective Cover
  • Neck Lanyard
  • CR2032 Coin Cell Battery (Average Life 300 Hours)
  • Kestrel 5 Year Warranty