Onset HOBO Data Loggers H21-USB

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