Product Description
Onset HOBO Micro Station - H21-USB
OverviewRugged and compact, the redesigned HOBO USB Micro Station is a weatherproof data logger for multi-channel monitoring of microclimates. Starting at just $220, this battery-powered station accepts up to five plug-and-play Smart Sensors and has a hinged door to make sensor installation simple and quick. The Micro Station is equipped with a built-in USB port for fast, efficient data readout to a computer, and an integrated mounting tabs for easy installation.
Highlighted Features
- Compact size for easy deployment
- Weatherproof IP66 enclosure for harsh environments
- Direct USB offload--no need for an adapter cable
- Includes five smart sensor inputs
- Hinged door and integrated mounting tabs
- Runs for up to a year on four standard AA batteries
- Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis
This data logger operates in indoor and outdoor environments.
What measurements does this data logger support?
The H21-USB data logger supports the following measurements: 4-20mA, Amp Hour (Ah), Barometric Pressure, DC Voltage, Kilowatt Hours (kWh), Leaf Wetness, Light Intensity, Power Factor (PF), Pulse Input, Rainfall, Relative Humidity, Soil Moisture, Temperature, Volt-Amp Reactive, Volt-Amp Reactive hour, Volt-Amps (VA), Water Flow, Watt Hours (Wh), Watts (W) and Wind
Sensor Inputs: Up to five smart sensors
Communication Type: USB 2.0 Interface
Dimensions: 17.04 cm H x 11.4 cm D x 4.47 cm W (6.71 x 4.7 x 1.76 inches)
Weight: 414 g (14.6 oz)
Memory: 512K nonvolatile flash data storage
Memory Modes: Stop when full or wrap around when full
Logging Interval: 1 second to 18 hours, user-specified interval
Battery Life: 1 year typical use (up to 5 sensors with 1 minute or longer logging interval)
Battery Type: Four standard AA 1.5 V alkaline batteries included (for operating conditions -20° to 50°C [-4° to 122°F]); optional AA lithium batteries available for operating conditions of -40° to 70°C (-40° to 158°F)
Time Accuracy: 0 to 2 seconds for the first data point and ±5 seconds per week at 25°C (77°F)
Logger Start Modes: Immediate, push-button, or delayed start options
Environmental Rating: Weatherproof enclosure NEMA 4X and IP66.
Mounting: Mount vertically on flat surface 18 cm (3.5 inches) or wider; optional mast mounting kit for use on 4.1 cm (1 5/8 inches) diameter masts
Enclosure Access: Cover secured by four screws
Sensor Network Cable Length: 100 m (328 ft) maximum