Onset HOBO Data Loggers H21-USB

USB Microstation

Order #: H21-USB

Mfg #: H21-USB

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Onset HOBO Data Loggers H21-USB

USB Microstation

Order #: H21-USB

Mfg #: H21-USB

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Call for price
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 an integrated mounting tabs for easy installation.
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This product is available for shipping to the United States and Puerto Rico only.
This product is available for shipping to the United States and Puerto Rico only.
This product is available for shipping to the United States and Puerto Rico only.

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Product Highlights

  • 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
  • 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

Each Unit Includes

  • HOBO H21-USB Micro Station
  • Four AA 1.5V alkaline batteries
  • Rubber plugs
  • Grease packet
  • Screws and washers
  • Cable ties

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