HOBO H22-001 Energy Data Logger


HOBO Data Loggers by Onset

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  • Records up to 15 channels
  • 512K nonvolatile flash data storage
  • operating range:
    • -4 to 122°F (-20 to 50°C) with alkaline batteries
    • -40 to 140°F (-40 to 60°C) with lithium batteries
  • 6 RJ-12 Smart Sensor jacks plus 3 FlexSmart module slots
  • Provides 12v excitation for third-party sensors
  • Pre-configured Smart Sensors for fast setup
  • 1 second to 18 hours, user-specified interval

The HOBO H22-001 Energy Data Logger is a multi-channel modular, reconfigurable data logging system for energy and industrial monitoring applications. The 15-channel system enables energy and facility management professionals to quickly and easily solve a broad range of monitoring applications without having to purchase a toolbox full of data loggers.

The H22-001 supports measurements of temperature, relative humidity, dew point, 4-20mA, AC current, AC voltage, air velocity, amp hour, carbon dioxide, compressed air flow, DC current, DC voltage, differential pressure, gauge pressure, kilowatt hours, kilowatts, power factor, pulse input, volatile organic compound, volt-amp reactive, volt-amp reactive hour, volt-amps, water flow, watt hours, watts and wind.

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

HOBO CABLE-PC-3.5 Interface Cable
Interface Cable for PCs
Keyspan USB-to-serial adaptor for use with all RS-232 serial devices and a PC 3.5 Interface cable for PC computers


HOBO HOBOware Pro Software
Plot or export data to spreadsheets, time saving tools to fast setup, readout and export, compatible with all HOBO data loggers
In Stock


HOBO 12-bit Temperature/RH Smart Sensors
Temperature and RH measurements
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
HOBO T-MAG-SCT Series AC Transformer
Split-core design for fast, easy installation, up to 600A measurements, accuracy at 10% to 130% of rated current
HOBO T-VER-971BP-200 Split-Core Bi-Polar DC Transducer
Measures up to 200 Amps of DC current in both flow directions, adjustable span range


Please consider these optional accessories.

HOBO T-ION-TVOC Volatile Organic Compound Sensor
Measures volatile organic compounds with TVOC sensor, selectable measuring ranges of 10, 100 and 1000 ppm
HOBO CDI-5200 / CDI-5400 Compressed Air Flow Meters
Adds the ability for users to be able to measure compressed air flow (SCFM), fits 1 inch or 2 inch steel pipes
HOBO ACT-0750 Split-Core Current Transformers
Accu-CT revenue-grade, split-core current transformer, 20, 50, 100 and 250 A range options, one-handed opening and closing mechanism
HOBO T-VER-E50B2 Power / Energy Meter
True RMS up to the 21st harmonic 60 Hz, One to three phase AC system
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
HOBO Veris Kilowatt Transducer Sensor
Three 100 amp split core current transformers, 480 Volts AC rms input voltage
HOBO Veris Kilowatt Hour 1-Phase / 3-Phase Transducers
300 or 800 amp sensors, split-core installation eliminates the need to remove conductors, accurate electronic pulse output
In Stock
HOBO MAG-SPT Series AC Potential Transformers
Measures True RMS for accurate readings of sinusoidal and non-sinusoidal waveforms, ranges of 150, 300, 600 Volts AC
HOBO Voltage Input Adapter Sensor
Digital filtering improves measurement accuracy with 32 readings/sample, 12-bit resolution
In Stock
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
HOBO S-FS-CVIA FlexSmart Analog Module
2 input channels of 0 to 20mA and/or 0 to 20 VDC, provides 12V sensor excitation and user-configurable warm-up
HOBO U-DT-1 Shuttle Data Transporter
Reads out data from systems in the field for transfer to a host computer
HOBO U-DT-2 U30 Shuttle Data Transporter
Reads out data from systems in the field for transfer to a host computer, preserves data in nonvolatile memory
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
HOBO WattNode 1 / 2 / 3 Phase Wye kWh Transducer Sensor
Measures 1, 2, or 3 phases in 2, 3, or 4 wire configurations
HOBO MAG-0400 Series AC Current Transformers
Split-core design for fast, easy installation, measures up to 75A, output 0.333 Volt AC at rated current
HOBO UCC Series Pulse Input Adapters
Connects sensors with pulse outputs to loggers with smart-sensor inputs
In Stock
HOBO UCD Series Contact Closure Input Adapter
Connects sensors with pulse outputs to loggers with smart-sensor inputs, compatible with contact closures