Includes Screws and Cable Ties for Mounting. HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)
| Soil Moisture (Volumetric Water Content) |
Measurement Range (Mineral Soils): 0 to 0.64 m3/m3 Measurement Range (Soilless Media): 0 to 0.70 m3/m3 Accuracy (Mineral Soils): ±0.031 m3/m3 Accuracy (Soilless Media): ±0.051 m3/m3 Resolution: 0.001m3/m3 Dielectric Measurement Frequency: 70 MHz |
| Temperature | Measurement Range: -40°C to 100°C (-40°F to 212°F) Accuracy (-40°C to 0°C): ±0.25°C Accuracy (0°C to 70°C): ±0.20°C Accuracy (70°C to 100°C): ±0.25°C Resolution: 0.04°C (0.072°F) Drift: <0.01°C (0.018°F) per Year Response Time: 3 Minutes in Air Moving 1 m/s; 20 Seconds in Stirred Water; 4 Minutes in Air Moving 1 m/s with RS3-B Solar Radiation Shield |
| Data Storage Capacity | 110,000 Temperature Readings (When Bluetooth Communications Not Available) |
| Logging Mode | Fixed Interval (Normal, Statistics) or Burst |
| Memory Mode | Wrap when Full or Stop When Full |
| Start Mode | Immediately, Push Button, Date & Time or Next Interval |
| Stop Mode | Wrap When Data Storage Full, Push Button, Date & Time or After Set Interval |
| LED Indicators | Alarm: Visual LED (Until Logger is Reconfigured or Within Limits) Status: Green |
| Sampling Rate | 1 Second to 18 Hours (User-Specified) |
| Power Source | 2/3 AA 3.6 Volt Lithium Battery (User-Replaceable) |
| Battery Life | Power Saving Mode Disabled: 2 Years typical @ 1 Minute Sampling Rate Power Saving Mode Enabled: 5 Years typical @ 1 Minute Sampling Rate Note: Dependant Upon Environment, Operating Range, Logging Interval, Remaining Connected with the App, Excessive Downloads and Paging My Impact Battery Life |
| Time Accuracy | &dplusmn;1 Minute per Month 0C to 50°C (32°F to 122°F) |
| Communications | Type: Bluetooth Wireless Wireless Data Standard: Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) Transmission Range: Up to 30.5 Meters (100 ft) Line of Sight Radio Power: 1 mW (0 dBm) |
| Software | HOBOconnect Software App for iOS and Android Note: Bluetooth 4.0 is Required on your Mobile Device (Phone or Tablet) |
| OS Compatibility | Android Phones and Tablets iPhone, iPad, iPod Touch with iOS 7.1 or Later Bluetooth 4.0 or Later |
| Operating Range | Temperature: -25°C to 60°C (-13°F to 140°F) Humidity: 0 to 100% RH |
| Standards Compliance | IP67, NEMA 6 UV Rated (Weatherproof), FCC, CE, RoHS |
| Environment | Primarily Designed for Outdoor Usage |
| Materials | Data Logger: Acetal, Silicone Gasket, Stainless Steel Screws Humidity:ASA Plastic Body with Polyurethane Epoxy Filling and Stainless Steel Pins Cable: PVC, UV Resistant and rodent Repellent (Soil Moisture Sensor Cable) |
| Weight | 229 grams (80 oz) |
| Dimensions | Logger Housing: 10.8 cm x 5.08 cm x 2.24 cm (4.25" x 2.0" x 0.88") Soil Moisture Sensor: 7.5 cm x 5.1 cm x 2.4 cm (2.95" x 2.02" x 0.95") Soil Moisture Sensor Needle: 5.4 cm x 0.32 cm (2.13" x 0.13" x 0.88") |