Onset HOBO H21-002 Micro Station Data Logger

Model: H21-002

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Onset HOBO H21-002 Micro Station Data Logger-

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Onset HOBO H21-002 Micro Station Data Logger

Model: H21-002

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A popular rugged compact size data logger that has over 500k of nonvolatile flash data storage and accepts up to four plug-and-play smart sensors. This data logger monitors outdoor weather conditions with the HOBO Micro station and operates in indoor and outdoor environments.

Discontinued!

This product has been discontinued and is no longer available.
This is the direct replacement:

Onset HOBO H21-USB Micro Station Data Logger

Model: H21-USB

Weatherproof data logger for multi-channel monitoring of microclimates. Accepts up to five plug-and-play smart sensors and is equipped with a built-in USB port for direct data offload.

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Onset HOBO H21-002 Specifications

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	512K nonvolatile flash data storage
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	0-2 seconds for the first data point and ±5 seconds per week at 25°C (77°F)
Data Type	Supports measurement averaging based on availability
Logging Start Modes	Immediate, push-button, or delayed start options
Mounting	Mount vertically on flat surface 18 cm or wider, optional mast mounting kit for use on 4.1 cm diameter masts
Sensor network cable length	100 m (328 ft) maximum

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Onset HOBO H21-002 Micro Station Data Logger

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Specifications ➕➖

Onset HOBO H21-002 Specifications

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	512K nonvolatile flash data storage
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	0-2 seconds for the first data point and ±5 seconds per week at 25°C (77°F)
Data Type	Supports measurement averaging based on availability
Logging Start Modes	Immediate, push-button, or delayed start options
Mounting	Mount vertically on flat surface 18 cm or wider, optional mast mounting kit for use on 4.1 cm diameter masts
Sensor network cable length	100 m (328 ft) maximum