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Kestrel Drop D3 Kestrel Drop D3
5-Year Warranty on all Kestrel DROP

Kestrel DROP D3 Wireless Temperature, Humidity & Pressure Data Logger (compatible with iOS & Android)

with FREE UK Standard Delivery

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The Kestrel DROP D3 data logger is a blind data logger for measuring temperature, relative humidity, heat stress index, dew point temperature, station pressure, density altitude.

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Free standard delivery
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Return Policy
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Return within 21 days

The Kestrel DROP D3 is compact, durable and fully waterproof to IP67 standards and drop tested to MIL-STD-810G standard. You can place a Kestrel DROP logger almost anywhere discreetly (hidden if required) with confidence it will start gathering data accurately and consistently.

All Kestrel DROP use Bluetooth Low Energy (BLE) to communicate; no more USB cables or having to connect the logger to a USB cradle or PC port to get data. Simply use your smart device to connect wirelessly and the Kestrel Connect App (FREE download for iPhone, iPad & Android) will download the data for charting and manipulation. From here data can be shared easily via email, text or social media.

Software Features

• Compatible with Kestrel 5 Series Weather Meters with LiNK and all Kestrel DROP Wireless Data Loggers.
• View real-time conditions and download data logs from up to 8 local devices up to 100' away.
• View and analyze logged data through measurement lists, statistics and graphs.
• Remote Monitoring – Set Alert Service on a local mobile device and receive email alerts from your DROP or Kestrel 5 Series whenever conditions go outside your preset thresholds.
• Export complete or partial data logs to analyze in a spreadsheet.
• Send weather reports through social media.
• Manage the device name, logging rate and other device settings.

Kestrel Compatibility

• All Kestrel DROP models
• All Kestrel 5 Series models with LiNK Wireless Connectivity

Download from Apple store Download from Android store

  Accuracy Resolution Range
Dew Point ±3°F
0.1°F/0.1°C 10% to 90% RH at 77°F/25°C
over 10 - 55°C/50 - 131°F
Heat Index ±5°F
0.1°F/0.1°C 10% to 90% RH at 77°F/25°C
over 10 - 55°C/50 - 131°F
Density Altitude ±25.0 m
±82.0 ft
0.1 m/0.1 ft 10% to 90% RH
over 10 - 55°C/50 - 131°F
700 - 1100 mbar/20.67-32.58 InHg

  Temperature Humidity Pressure
Operational Range 0°F/-18°C to 140°F/60°C 0 to 100% RH 10-1200 hPa

Data Storage D1: 13064 data points D2: 8165 data points D3: 6220 points
Size & Weight 2.4 x 1.8 x 0.9 in. / 6 x 4.5 x 2.3 cm
1.2oz / 34g
Battery Type User-replacement CR2032 (Included)
Connectivity Bluetooth Low Energy (BLE) connects to IOS devices (models 4s and later) and select Android products with Android 4.3 and higher).
Logging Rate 2 seconds to 12 hours
Storage Temperatures -22°F to 140°F / -30°C to 60°C
Shock Resistance MIL-STD-810G, Transit Shock, Method 516.5 Procedure IV (4 foot drop test)
Water Resistance IP67 and NEMA-6 (30 minute submersion at 1 meter, 3.3 ft)
Compliance CE certified, FCC, IC tested, RoHS and WEEE compliant.
Source Designed and manufactured in USA. Complies with Regional Value Content and Tariff Code Transformation requirements for NAFTA Preference Criterion B.

Typical Applications

Monitoring goods in transit
• Perishable goods storage
• Fire-fighting
• Building management
• Medical
• Pharmaceutical
• Outdoor activities


Kestrel DROP D3 measures

• Temperature
• Relative Humidity
• Heat Stress Index
• Dew Point Temperature
• Station Pressure
• Density altitude


Kestrel DROP D3 features

• Bluetooth Low Energy (BLE) wireless communication with smart device for real-time viewing of data, data download, graphing, charting and sharing
• Kestrel Connect App available at the iTunes App store & Google Play store
• Share data with the Kestrel Connect App via email, text and social media
• Rugged, drop tested to MIL-STD-810G standard
• Accurate
• Waterproof to IP67 standard
• Available in red, blue and tan
• 5 year warranty
Data Sheets
Download PDF Kestrel DROP D3 Data Sheet
Certificates of Conformity
Download PDF Sample Certificate of Conformity