HOBO USB Micro Station Data Logger
The HOBO H21-USB Micro Station requires a #CABLE-USBMB and HOBOware software.
Overview
Rugged 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 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
- 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
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, Dew Point, Kilowatt Hours (kWh), Leaf Wetness, Light Intensity, PAR, Power Factor (PF), Pulse Input, Rainfall, Relative Humidity, Soil Moisture, Solar Radiation, Temperature, Volt-Amp Reactive, Volt-Amp Reactive hour, Volt-Amps (VA), Water Flow, Watt Hours (Wh), Watts (W) and Wind
Rugged 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 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
- 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
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, Dew Point, Kilowatt Hours (kWh), Leaf Wetness, Light Intensity, PAR, Power Factor (PF), Pulse Input, Rainfall, Relative Humidity, Soil Moisture, Solar Radiation, Temperature, Volt-Amp Reactive, Volt-Amp Reactive hour, Volt-Amps (VA), Water Flow, Watt Hours (Wh), Watts (W) and Wind
Learn MoreThe 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 Data Channels | Maximum of 15 (some smart sensors use more than one data channel; see sensor manual for details) |
| 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). |
1. Environment
Choose where your logger will be deployed:
2. Sensors
Choose your sensor(s):
3. Sensor Adapters (optional)
Choose your voltage & pulse inputs:
4. Accessories
5. Software
Choose your Software:
Please review your order:
Estimated Order Total: $0
- HOBO H21-USB Micro Station
- Four AA 1.5V alkaline batteries
- Rubber plugs
- Grease packet
- Screws and washers
- Cable ties
The following are associated resources for this product. In general users of this product can gain insight into its possible use by utilizing the resources below. Our user forum can also be a valuable resource for questions, use cases and general feedback. Share with us today, here!
Customers Also Bought
A cellophane four-pack of long-lasting, cold-tolerant lithium AA batteries. Note: lithium batteries cannot be shipped on commercial airlines, and no more than 24 can be shipped in a single box
2-meter tripod with mast used for mounting loggers and other sensors in a weather station application. This tripod is not adjustable for sloping surfaces. (Cross arms, data logger, sensors, and radiation shield sold separately.)
The HOBO RX3000, Onset’s most flexible remote data logging station, provides instant access to site-specific environmental data anywhere, anytime via the internet. The station combines the versatility and sensor quality of more expensive systems, an onboard LCD display, and the convenience of plug-and-play operation. The RX3000 is a configurable system (see "Configure System" tab below).
The RX3000 station is the basic component of the cost-effective and scalable HOBOnet Field Monitoring System for crop management, environmental research, and greenhouse operations.
This affordably-priced soil moisture smart sensor offers a two-tine design for easy installation. This sensor integrates the field-proven ECH2O™ EC-5 Sensor and a 12-bit A/D. It provides ±3% accuracy in typical soil conditions, and ±2% accuracy with soil-specific calibration. Readings are provided directly in volumetric water content. This sensor is designed to maintain low sensitivity to salinity and textural effects.
Also available in a wireless model for use with the HOBOnet Field Monitoring System.
Recently Viewed
Detailed Specifications
HOBO USB Micro Station Data Logger
| 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 Data Channels | Maximum of 15 (some smart sensors use more than one data channel; see sensor manual for details) |
| 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). |
