HOBO U14 Temperature and Humidity Data Logger w/ External Inputs


The LCD external temperature and humidity logger displays, records and measures temp and rh
readings. The data logger features an LCD Display, visual alarms, USB port for download and analysis of data using HOBOWare software (sold separately) and storage capacity of 43,000 measurements.

Due to New CE Requirements, this product is No Longer Available for EU Countries, Contact Sales @ 03-78762460

Required with the External Temp/RH Data Logger

>> Temperature or Temp/RH Sensors
>> HOBOware™ Software Kit

Alarm Compatibililty

>> 2-Zone Remote Alarm (#ARA)
>> AutoDialer (#AVD-45)

NOTE: NIST Calibration is available.

Large Quantity Discounts Are Available!

LCD Temperature and Humidity Logger Features

  • Visual Display of Recorded Temperature and Humidity Readings
  • External Sensors Provide Greater Flexibility for Accurate Measurements
  • Operating Temperature Range: -20°C to 50°C (-4°F to 122°F)
  • Programmable Start Time/Date
  • Built-in Contact Relay for Compatibility with Remote Alarm and AutoDialer
  • Optional Protective Case Available
  • Requires External Temperature or Temp/RH Sensor and HOBOware Software Kit
Description Part Number
Onset HOBO U14 External Temp/RH Data Logger U14-002
Software Kits - 1 Required (Compare HOBOWare Versions)
HOBOware Lite Software Kit for Windows/Mac (includes Software and Cable) BHW-LITE-CD
HOBOware Pro Software Kit for Windows/Mac (includes Software and Cable) BHW-PRO-CD
Sensors - 1 Required
12-Bit Temperature Sensor with 2m cable S-TMB-M002
12-Bit Temperature Sensor with 6m cable S-TMB-M006
12-Bit Temperature Sensor with 17m cable S-TMB-M017
Temperature RH Smart Sensor with 2 Meter Cable S-THB-M002
Temperature RH Smart Sensor with 8 Meter Cable S-THB-M008
Standard NIST Calibration Service
Standard NIST Temperature Calibration (1 Point) Note: 3 to 5 Day Lead Time for All Calibration Orders CAL-NIST-TEMP
Standard NIST Temp/RH Calibration (1 Point) Note: 3 to 5 Day Lead Time for All Calibration Orders CAL-NIST-RH
Optional Accessories
Onset U-Shuttle Data Transporter (Requires HOBOware Pro Software) U-DT-1
2-Zone Remote Alarm ARA
Telephone Autodialer AVD-45
4 pack AAA Batteries AAA-ALK-BAT
Protective Case for HOBO LCD Data Loggers CASE-4X
Solar Radiation Shield RS3
Weatherproof Connection Housing for Smart Sensors S-EXT-CASE2
Smart Sensor Extension Cable - 2 Meter Length S-EXT-M002
Smart Sensor Extension Cable - 5 Meter Length S-EXT-M005
Smart Sensor Extension Cable - 10 Meter Length S-EXT-M010
Smart Sensor Extension Cable - 25 Meter Length S-EXT-M025


Data Storage Capacity Temp Only: 43,000 12-bit Samples/Readings
Temp/RH: 21,500 12-bit Samples/Readings
Sampling Rate 1 Second to 18 Hours (User Selectable)
Recording Mode Stop When Full
Operating Range Temperature: -20°C to 50°C (-4°F to 122°F)
Humidity: 0 to 100% RH, non-condensing, non-corrosive
Accuracy Dependant on External Sensor
Resolution Dependant on External Sensor
Drift Dependant on External Sensor
Time Accuracy ±1 Minute per Month at 20°C (68°F)
Battery Life Typically 1 Year (Dependant on Environment and Sampling Rate)
Battery 3 AAA Alkaline Batteries (User Replaceable)
LCD Display Temperature (F/C), Humidity, Battery Level, Storage Capacity, Visual Alerts
Alarms High/Low Alarms for Temperature and Humidity
Display Size 33mm x 50.8mm (1.3" x 2.0")
Standards Compliance CE
Weight 170 g (6.0 oz) with Batteries
Dimensions 125mm x 92mm x 31mm (4.9" x 3.6" x 1.20")

Protective Case for LCD Logger

  1. Tested to NEMA-4X (IP65) Standards
  2. External Temperature or Temperature/RH Sensor and Alarm Relay Cables feed through Watertight Grommets
  3. Easy Data Readout via Removable Watertight Fitting with O-Ring Seal
  4. Hook and Loop Tape Secures LCD Logger Inside Case
  5. Polycarbonate Body and Cover - UV Stabilized
  6. Dimensions: 17mm x 127mm x 57mm (0.7" x 5.0" x 1.1")
  7. Weight: 315.2 grams (11.2 oz)

HOBOWare Software Video Tutorials