H21-002 Economic Micro-Station Micro-HWS" up to 4 channels"




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Number of Channels 4 Analog
ADC Bits 12 bit
With Display No
IP Classification IP67
Communications RS232
Battery Life 1 year
Memory Capacity 512K

H21-001 Economic Micro-Weather Station 'Micro-HWS'

The compact HOBO Micro Station provides reliable, accurate outdoor monitoring even in severe weather conditions. 
It accepts up to four plug-and-play Smart Sensors, and can run for up to one year on 4 standard AA batteries.

  • NEW! Improved weatherproof enclosure for harsh environments
  • Optional analog and pulse inputs for 3rd-party sensors
  • Battery-powered for up to a year - no solar panels required


The H21-002 Data Logger is for use in Indoor and Outdoor environments

Operating Range: -20° to 50°C (-4° to 122°F) with alkaline batteries, -40° to 70°C (-40° to 158°F) with lithium batteries
Sensor Inputs: Up to four smart sensors (including multiple-parameter sensors)
Communication: 3.5 mm serial port
Dimensions: 8.9 cm H x 11.4 cm D x 5.4 cm W (3.5 x 4.5 x 2.125 inches)
Weight: 0.36 kg (0.8 lb)
Memory: 512K nonvolatile flash data storage
Memory Modes: Stop when full, wrap around when full
Operational Indicators: Seven lights provide logging and sensor network status
Logging Interval: 1 second to 18 hours, user-specified interval
Battery Life: 1 year typical use (up to 4 sensors with 1 minute or longer logging interval)
Battery Type: Four standard AA alkaline batteries included (for operating conditions -20° to 50°C [-4° to 122°F]); optional AA lithium
                       batteries available for operating conditions of -40° to 70°C (-40° to 158°F)
Time Accuracy: 0 to 2 seconds for the first data point and ±5 seconds per week at 25°C (77°F)
Data Type: Supports measurement averaging based on availability of supporting data from sensor
Logger Start Modes: Immediate, push-button, or delayed start options
Data Communication: Current reading while logging, offload while logging, or offload when stopped
Environmental Rating: Weatherproof, with GoreTM Vent for deployment in harsh weather conditions 
Mounting: Mount vertically on flat surface 18 cm (3.5 inches) or wider; optional mast mounting kit for use on 4.1 cm (1 5/8 inches)
                  diameter masts
Enclosure Access: Cover secured by four screws
Sensor Network Cable Length: 100 m (328 ft) maximum

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