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Kestrel DROP D2

£96.37 exVAT

£115.64 incVAT

An easy to use highly accurate temperature and humidity data logger with free-to-use Bluetooth connected App for both iOS and Android

Available on backorder

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NV Model Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Current Wind Speed Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Max Wind Gust Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Avg Wind Speed Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Temperature Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Lanyard Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Wind Chill Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Backlit Display Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Clock Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Pressure Trend Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Altitude Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Barometric Pressure Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Relative Humidity Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Heat Index Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Dew Point Temp Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Wet Bulb Temp Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Density Altitude Tick Tick Tick Tick Tick Tick Tick Tick Tick
Absolute Pressure Tick Tick Tick Tick Tick Tick Tick Tick Tick Tick
Exportable Data Logs Tick Tick Tick Tick Tick Tick Tick Tick Tick
Data Log Graphing Tick Tick Tick Tick Tick Tick Tick Tick Tick
Air Density Tick Tick
Humidity Ratio Tick Tick
Evaporation Rate Tick
Volume Air Flow Tick
Delta T Tick Tick Tick
Wet Bulb Globe Temp (WBGT) Tick Tick Tick
Thermal Work Limit Tick
Naturally Asp. Wet Bulb Temp Tick
Globe Temp Tick
Threshold Alerts Tick
Built in Flag Settings Tick
Digital Compass Tick Tick Tick Tick Tick Tick
Wind Direction Tick Tick Tick Tick Tick Tick
Crosswind Tick Tick Tick Tick Tick Tick
Headwind/Tailwind Tick Tick Tick Tick Tick Tick
Integrated Ballistics Calc Tick Tick Tick Tick
Enhanced Processor Speed Tick
Adjustable Bluetooth Signal Tick
Kestrel LiNK App (iOS) Tick Tick Tick Tick Tick Tick Tick Tick Tick
Kestrel LiNK App (Android) Tick Tick Tick Tick Tick Tick Tick Tick Tick
Kestrel LiNK for PC Tick Tick Tick Tick Tick Tick Tick Tick Tick
Kestrel LiNK Ballistics (iOS) Tick Tick Tick Tick
Kestrel LiNK Ballistics (Android) Tick Tick Tick Tick

* Prices exclude 20% VAT. UK mainland free delivery. For shipping within E.U. Please see our shipping terms

Kestrel DROP D2 measures
• Temperature
• Humidity
• Heat Stress Index
• Dew Point Temperature

 

Units Of Measurement
• °C, °F
• % RH

 

Accuracy
• 0.5 °C
• 2 %RH

 

Operational Range
• -30 to +55 °C
• 0 to 100% RH

 

Specification Range
• -20 to +55 °C
• 10 to 90%RH at 25°C

Product Description

Kestrel DROP D2 Description

The Kestrel DROP D2 is an extremely durable and easy to use temperature and humidity data logger, you can access data and chart real-time using the free Kestrel Connect App and download data in .csv format

The DROP D2 logger is IP67 rated (30-minute submersion at 1m) and MIL-STD-810G drop tested making it ideal for remote locations, inside or outside. The Kestrel Connect App allows data to be viewed from your connected device up to 100ft away.

Each unit comes complete with a user replaceable CR2032 Coin Cell Battery (average life 300 hours) and is equipped with a sturdy D-ring for hanging wherever needed.

Additional information

Functions:

Temperature, Humidity, Heat Index, Dew Point

Kestrel DROP D2 Features

• Bluetooth Smart (Wireless Technology)
• Data Logger
• Free Kestrel Connect App
• 24 x 46 mm x 60 mm, weighs 34 grams
• Drop-Tested, MIL-STD-810G
• IP67 Waterproof
• Lightweight & Durable
• CR2032 Coin Cell Battery (average life 300 hours)
• Kestrel Certificate of Conformity
• 5 Year Warranty Manufacturer’s Warranty

Primary Measurement Units Resolution Accuracy
(+/-)
Specification Range Notes
Ambient Temperature °F 0.1 0.9 °F 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.
Thermistor may also be used to measure temperature of water or snow by submerging thermistor portion into material — ensure humidity sensor membrane is free of liquid water prior to taking humidity-based measurements after submersion.
°C 0.1 0.5 °C -20 to +55 °C
Relative Humidity %RH 0.1 2 %RH 10 to 90%
25°C
Polymer capacitive humidity sensor mounted in thin-walled chamber for rapid, accurate response (US Patent 6,257,074). To achieve stated accuracy, unit must be permitted to equilibrate to external temperature when exposed to large, rapid temperature changes and be kept out of direct sunlight.
Heat Index °F 0.1 TBD °F Refer to stated ranges for temp. and relative humidity. Calculated measurement.
Perceived temperature resulting from the combined effect of temperature and relative humidity. Calculated based on NWS Heat Index (HI) tables. (Measurement range limited by extent of published tables)
°C 0.1 TBD °C
Dew Point °F 0.1 TBD °F 15 to 95 % RH
Refer to stated ranges for temperature sensor
Calculated measurement.
Temperature that a volume of air must be cooled to at constant pressure for the water vapour present to condense into dew and form on a solid surface. Can also be considered to be the water-to-air saturation temperature.
°C 0.1 TBD °C
Bluetooth Data Upload Utilizes Bluetooth Low Energy (BLE) module.
iOS Device needed to receive uploaded data.
iOS Device must be within range to receive data.
(See Getting Started with your Drop for more info.)
Data Storage Configurable within App
Response Time Configurable within App up to 2 seconds.
Operational & Storage Temp Range Operational: -30 °C to +55 °C, 10 TO 1200 hPa, 0 to 100% RH,
some functionality may be limited or disabled at extremes.Storage: -22.0 °F to 140.0 °F | -30.0 °C to 60.0 °C.
Clock & Calendar Time and Date is automatically updated when connected to phone
Certifications CE certified, RoHS and WEEE compliant. Individually tested to NIST-traceable standards
Battery One CR2032 Battery (included).
The battery life will vary based on usage. For baseline conditions and settings1, the battery will last approximately 6 months.
Battery life will be reduced by:
a) colder conditions
b) more frequent logging rates
c) more frequent update rates
Downloads of large data logs (or firmware updates) are best completed with a fresh battery and in temperatures above 10°C / 50°F.
(1Temperature = 75°F, Logging Rate = 10 minutes, Update Rate = 30 seconds)
Environmental Sealing: Waterproof (IP67 and NEMA-6).
Shock Resistance: MIL-STD-810Fg, Transit Shock, Method 516.5 Procedure IV
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.
Size & Weight 2.4 x 1.8 x 0.9 in / 6 x 4.5 x 2.3 cm, 1.2 oz / 34 g
Colour Options Red | Blue | Tan

The manufacturer reserves the right to amend the specification and therefore the information in this document may be subject to change.

Accuracy calculated as uncertainty of the measurement derived from statistical analysis considering the combined effects from primary sensor specifications, circuit conversions, and all other sources of error using a coverage factor of k=2, or two standard deviations (2Ε).

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Data Sheet
Download PDF Kestrel DROP D2 Data Sheet

 

User Instruction Manual
Download PDF Kestrel Connect Instructions
Download PDF Getting Started with your Kestrel DROP

 

Certificates of Conformity
Download PDF Sample Certificate of Conformity

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