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Onset has introduced their revamped HOBO USB Micro Station with their HOBO H21-USB Micro Station Data Logger. The HOBO H21-USB weatherproof data logger is compact and durable and fully suited for the multi-channel monitoring of microclimates. Equipped for up to five plug-and-play Smart Sensors, the battery operated data logger’s hinged door makes sensor installation effortless. Even more, the built-in USB port provides quick, effective data readout to a computer for an assortment of application requirements.
Operating Range | -20° to 50°C (-4° to 122°F) with alkaline 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 |
Weight | 414g (14.6 oz.) |
Environmental Rating | Weatherproof enclosure, NEMA 4X and IP66 |
CE Compliant | Yes |
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