Image
Part Number -
H21-USB
HOBO USB Micro Station Data Logger
$299.00 USD
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.
Please note that the H21-USB is not compatible with macOS 13 and 14
Compatible with
Overview
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.
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 and graphing & analysis
Specifications
Data Logger
-
-20° to 50°C with alkaline batteries-4° to 122°F with alkaline batteries-40 to 70°C with lithium batteries-40 to 158°F with lithium batteries
-
5
-
Maximum of 15 (some smart sensors use more than one data channel; see sensor manual for details)
-
100 m maximum328 ft maximum
-
1 second to 18 hours
-
Immediate, at interval, push button, or delayed start
-
Stop when full or wrap when full
-
512 KB nonvolatile flash data storage
-
0 to 2 seconds for the first data point and ±5 seconds per week at 25°C (77°F)
-
Four AA 1.5 V alkaline batteries for operating conditions of -20° to 50°CFour AA 1.5 V alkaline batteries for operating conditions of -4° to 122°FFour AA 1.5 V lithium batteries for operating conditions of -40 to 70°CFour AA 1.5 V lithium batteries for operating conditions of -40 to 158°F
-
1 year, typical use (up to five sensors with 1 minute or greater logging interval)
-
USB 2.0 interface
-
4 minutes
-
Hinged door secured by one latch with eyelet for use with user-supplied padlock
-
Outer enclosure: Polycarbonate/PBT blend with stainless steel hinge pins; Gasket: Silicone foam; Cable channel: EPDM rubber
-
17.04 x 11.94 x 4.47 cm see diagrams below Padlock hole diameter: 0.58 cm6.71 x 4.70 x 1.76 in. see diagrams below Padlock hole diameter: 0.23 in.
-
414 g14.6 oz
-
Weatherproof enclosure, NEMA 4X and IP66
Operating Range
Smart Sensor Connectors
Smart Sensor Data Channels
Smart Sensor Network Cable Length
Logging Interval
Start Modes
Memory Modes
Memory
Time Accuracy
Battery Type
Battery Life
Communication Type
Full Memory Download Time
Enclosure Access
Materials
Dimensions
Weight
Environmental Rating
Image
Compatible items
Graphing & Analysis
Kilowatt Hours (kWh)
Leaf Wetness
Light Intensity
Pulse Input
Rainfall
Relative Humidity
Soil Moisture
Temperature
Water Flow
Batteries
Desiccants
Batteries
Cable Adapters - Splitter
Cable Management
Compliance Certificates
Grounding Wires
Tripod Parts, Kits and Masts
Accessories
What's in the box
- HOBO H21-USB Micro Station
- Four AA 1.5V alkaline batteries
- Rubber plugs
- Grease packet
- Screws and washers
- Cable ties
Customers Also Bought
Battery
Lithium Batteries
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
Mounting
HWS 2m Tripod Tower with mast
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.)
Data Logger
RX3000 Remote Monitoring Station
The most flexible remote data logging cloud-based station from HOBO that provides real-time, site-specific indoor/outdoor environmental data
Sensor
EC5 Soil Moisture Smart Sensor
An affordable soil moisture smart sensor with a two-tine design for easy installation; integrates the field-proven ECH2O™ EC-5 Sensor and a 12-bit A/D. An affordable soil moisture smart sensor with a two-tine design for easy installation; integrates the field-proven ECH2O™ EC-5 Sensor and a 12-bit A/D.
