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Rugged and compact, the redesigned HOBO USB Micro Station is a weatherproof data logger for multi-channel monitoring of microclimates. IMPORTANT INFORMATION External sensors sold separately. The HOBO H21-USB Micro Station requires a USB cable and HOBOware software
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Rugged and compact, the redesigned HOBO USB Micro Station is a weatherproof data logger for multi-channel monitoring of microclimates. 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 integrated mounting tabs for easy installation.
Looking for a cellular option? The MicroRX Station offers integrated solar panel or battery-power for affordable remote data offload via 4G cellular.
Interested in water level and flow monitoring? The MicroRX Water Level Station combines the MicroRX Station with Onset’s own water level sensor and pre-programmed water flow formulas.
Highlighted Features
In what environment does this data logger operate?
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
| The country of origin for this product is the United States. To see the full specifications for this product, please see our product manual found under the documentation tab if available. | |
| Logger | |
|---|---|
| Operating Range: | -20° to 50°C (-4° to 122°F) with alkaline batteries -40 to 70°C (-40 to 158°F) with lithium batteries |
| Smart Sensor Connectors: | 5 |
| Smart Sensor Network Cable Length: | 100 m (328 ft) maximum |
| Logging Interval: | 1 second to 18 hours |
| Start Modes: | Immediate, at interval, push button, or delayed start |
| Memory Modes: | Stop when full or wrap when full |
| Memory : | 512 KB nonvolatile flash data storage |
| Time Accuracy: | 0 to 2 seconds for the first data point and ±5 seconds per week at 25°C (77°F) |
| Battery Type: | Four AA 1.5 V alkaline batteries for operating conditions of -20° to 50°C (-4° to 122°F); four AA 1.5 V lithium batteries for operating conditions of -40 to 70°C (-40 to 158°F) |
| Battery Life: | 1 year, typical use (up to five sensors with 1 minute or greater logging interval) |
| Communication Type: | USB 2.0 interface |
| Full Memory Download Time: | 4 minutes |
| Enclosure Access: | Hinged door secured by one latch with eyelet for use with user-supplied padlock |
| Materials: | Outer enclosure: Polycarbonate/PBT blend with stainless steel hinge pins; Gaskets: Silicone rubber; Cable channel: EPDM rubber |
| Dimensions: | 17.04 x 11.94 x 4.47 cm (6.71 x 4.70 x 1.76 in.) see diagrams in manual Padlock hole diameter: 0.58 cm (0.23 in.) |
| Weight: | 414g (14.6 oz.) |
| Environmental Rating: | Weatherproof enclosure, NEMA 4X and IP66 |
| -The CE Marking identifies this product as complying with all relevant directives in the European Union (EU) | |
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