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  1. Data Loggers

HOBO H21-USB Micro Station Data Logger

Weatherproof data logger for multi-channel monitoring of microclimates, accepts up to five plug-and-play Smart Sensors.

HOBO H21-USB Micro Station Data Logger
HOBO H21-USB Micro Station Data Logger
  • HOBO H21-USB Micro Station Data Logger
    HOBO H21-USB Micro Station Data Logger
  • HOBO H21-USB Micro Station Data Logger
    HOBO H21-USB Micro Station Data Logger
  • HOBO H21-USB Micro Station Data Logger Product Video
    HOBO H21-USB Micro Station Data Logger Product Video
HOBO H21-USB Micro Station Data Logger
HOBO H21-USB Micro Station Data Logger
HOBO H21-USB Micro Station Data Logger
HOBO H21-USB Micro Station Data Logger
$285.00

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Part Number
  • H21-USB
Manufactured
  • By HOBO Data Loggers by Onset
Includes
  • FREE Ground Shipping on orders of $1,000 or more
  • FREE Lifetime Tech Support
Availability
  • Call for availability
Product Manual Product Specs (2 Files)
Questions?
Call 1-800-884-4967 or Email Us.
Open 8:00 am to 5:30 pm ET.
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Overview

Features

  • Weatherproof IP66 enclosure
  • Direct USB offload
  • 328ft (100m) maximum cable length
  • Includes five smart sensor inputs
  • Operating range:
    • -4 to 122°F (-20 to 50°C) alkaline batteries
    • -40 to 158°F (-40 to 70°C) lithium batteries
  • 1 second to 18 hours logging intervals
  • Hinged door and integrated mounting tabs
  • Compatible with HOBOware and HOBOware Pro software

Description

The HOBO H21-USB Micro Station Data Logger 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.

Documents

Spec Sheets

  • HOBO H21-USB Micro Station Data Logger Datasheet PDF (444 KB)
  • HOBO H21-USB Micro Station Data Logger Quick Start Guide PDF (635 KB)

Manuals

  • HOBO H21-USB Micro Station Data Logger Manual PDF (959 KB)

Accessories

HOBO TMB Series 12-Bit Temperature Smart Sensors
HOBO TMB Series 12-Bit Temperature Smart Sensors

Temp, and water temp measurements, stainless steel sensor tip and robust cable, 2m, 6m and 17m length options.

Some Models in Stock
Starting at $119.00
HOBO WNB-3D WattNode 3-Phase Series Transducers
HOBO WNB-3D WattNode 3-Phase Series Transducers

Measures 1, 2, or 3 phases in 2, 3, or 4 wire configurations, pulse output, use with wide variety of CT's.

Starting at $365.00
HOBO WattNode Branch Circuit Transducer Sensor
HOBO WattNode Branch Circuit Transducer Sensor

Measures up to 3 separate branch circuits simultaneously, accurate measurement of multiple single phase or each phase of 3-phase configurations.

$350.00
HOBO WattNode 1 / 2 / 3 Phase Wye kWh Transducer Sensor
HOBO WattNode 1 / 2 / 3 Phase Wye kWh Transducer Sensor

Measures 1, 2, or 3 phases in 2, 3, or 4 wire configurations.

$320.00
HOBO UCC Series Pulse Input Adapters
HOBO UCC Series Pulse Input Adapters

Connects sensors with pulse outputs to loggers with smart-sensor inputs.

Some Models in Stock
Starting at $109.00
HOBO UCD Series Contact Closure Input Adapter
HOBO UCD Series Contact Closure Input Adapter

Connects sensors with pulse outputs to loggers with smart-sensor inputs, compatible with contact closures.

Starting at $109.00
HOBO Voltage Input Adapter Sensor
HOBO Voltage Input Adapter Sensor

Digital filtering improves measurement accuracy with 32 readings/sample, 12-bit resolution.

In Stock
$115.00
HOBO 4-20 mA Input Adapter Sensor
HOBO 4-20 mA Input Adapter Sensor

Interfaces with any sensor providing a 4-20 mA signal to connect to smart sensor compatible data loggers.

In Stock
$115.00
HOBO S-BPB-CM50 Barometric Pressure Smart Sensor
HOBO S-BPB-CM50 Barometric Pressure Smart Sensor

Barometric Pressure Smart Sensor for use with the HOBO Remote Monitoring Station Data Loggers.

In Stock
$309.00
HOBO S-LWA Leaf Wetness Smart Sensor
HOBO S-LWA Leaf Wetness Smart Sensor

Measurement range: 0 (dry) to 100% (wet), capacitive grid sensor type.

$189.00
HOBO S-LIA Photosynthetic Light Smart Sensor
HOBO S-LIA Photosynthetic Light Smart Sensor

Photosynthetically Active Radiation (PAR) Smart Sensor, designed to detect photons between 400-700 nm in wave length.

$285.00
HOBO S-LIB Solar Radiation Sensor
HOBO S-LIB Solar Radiation Sensor

Solar Radiation (Silicon Pyranometer) Sensor, measurement range: 0 to 1280 W/m².

$285.00
HOBO S-RGB-M002 Rainfall Smart Sensor
HOBO S-RGB-M002 Rainfall Smart Sensor

0.2 mm Rainfall (2m cable) Smart Sensor, measures rainfall rates up to 12.7 cm per hour.

$555.00
HOBO S-RGA-M002 Rain Gauge Smart Sensor
HOBO S-RGA-M002 Rain Gauge Smart Sensor

0.01" Rain Gauge (2m cable) Smart Sensor, measures rainfall rates up to five inches per hour.

$555.00
HOBO S-SMC-M005 Soil Moisture Smart Sensor
HOBO S-SMC-M005 Soil Moisture Smart Sensor

Sensor uses a high-frequency (70 MHz) circuit that provides good accuracy even in high-salinity and sandy soils.

$209.00
HOBO S-SMD Soil Moisture Smart Sensor
HOBO S-SMD Soil Moisture Smart Sensor

Measures a large 1-liter volume of soil, providing a more accurate picture of average soil moisture.

$209.00
HOBO S-WDA Wind Direction Smart Sensor
HOBO S-WDA Wind Direction Smart Sensor

Research-grade plug-and-play sensor for measuring and logging wind direction data.

$449.00
HOBO S-WSB Wind Speed Smart Sensor
HOBO S-WSB Wind Speed Smart Sensor

Measure wind speed from 0 to 76 m/s (0 to 170 mph), sensor survives through 170 mph.

$315.00
HOBO S-WSET-B Wind Smart Sensor Set
HOBO S-WSET-B Wind Smart Sensor Set

Set includes research-grade plug-and-play Wind Speed Smart Sensor and the Wind Direction Smart Sensor.

$735.00
HOBO S-WCG-M003 Ultrasonic Smart Sensor
HOBO S-WCG-M003 Ultrasonic Smart Sensor

Ultrasonic wind, speed and direction smart sensor, plug-and-play with HOBO stations.

$1,099.00
HOBO Temperature and Relative Humidity Smart Sensor
HOBO Temperature and Relative Humidity Smart Sensor

16-bit sensor for temperature and relative humidity measurement.

Starting at $219.00

Applications

This product can be used in the following applications:

  • Agricultural
  • Environmental Monitoring

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open 8:00 am to 5:30 pm ET

Luke M. headshot Luke M.
Applications Engineer
6 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
David S. headshot David S.
Applications Engineer
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
6 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
David S. headshot David S.
Applications Engineer
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
6 years at Instrumart

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HOBO H21-USB Micro Station Data Logger
HOBO H21-USB Micro Station Data Logger
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