Pro V2 External Temperature/RH Logger
Onset HOBO 2 External Channel Data Logger Measuring and Recording Temperature and Relative Humidity
HOBO Pro V2 External Temperature / RH Data logger is a weatherproof logging device with external temperature and RH sensor on a 6 ft cable for faster sensor response and deployment in tight spaces. The user-replaceable RH sensor provides superior durability in humid environments.
Required With Each Pro V2 Data Logger HOBO Waterproof Shuttle or Optic USB Base Station HOBOWare Software Kit
NOTE: Compatible with RS3 Solar Radiation Shield NIST Calibration is available.
Features Specifications Documentation Software Tutorials
Description Part Number Qty 1-9 Qty 10+
HOBO Pro V2 External Temp/RH Data Logger
U23-002
$193.00
call
Required Communications - 1 Required
Optic USB Base Station (includes Coupler)
BASE-U-4
$115.00
$107.00
Waterproof Shuttle Data Transporter/Optic Base Station w/ Couplers - Requires HOBOWare Pro Software
U-DTW-1
$230.00
$214.00
Required Software Kits - 1 Required (Compare HOBOWare Versions )
HOBOware Lite Software Kit for Windows/Mac (includes Software and Cable)
BHW-LITE-CD
$45.00
call
HOBOware Pro Software Kit for Windows/Mac (includes Software and Cable)
BHW-PRO-CD
$99.00
$92.00
Standard NIST Calibration Service
Optional Logger Accessories
Extra/Replacement 3.6V 1/2 AA Lithium Battery
HP-B
$12.00
$11.00
Solar Radiation Shield
RS3
$59.00
$55.00
Coupler for U23 Pro v2 Data Logger
COUPLER2-E
$11.00
call
Onset Replaceable RH Sensor for U23-002
HUM-RHPCB-2
$65.00
call
Clamp to attach Radiation Shield to U23 Data Logger
U23-RS-CLAMPKIT
$5.00
call
Custom USB Interface Cable
CABLE-USBMB-HS
$9.00
$8.00
Onset Replaceable RH Caps with membrane and tape for U23-002 (5-pack)
HUM-RHCAP2
$48.00
$48.00
Onset Protective End Cap for U23 Communication LED's
85-ENDCAP-U23
$3.00
call
Logger Features
Weatherproof housing for use in outdoor or condensing environments
Up to 8 user-defined logging intervals
High accuracy external temperature and RH Sensors
Replaceable RH Sensor provides fast response and superior recovery from condensing conditions
Optic USB Interface for fast and reliable download
Logger Specifications
Data Storage Capacity 42,000 Readings
Sampling Rate 1 Second to 18 Hours (Fixed rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations)
Time Accuracy 1 min/month at 25°C (77°F)
Temperature Measurement Range -40°C to 70°C (-40° to 158°F)
Temperature Accuracy ±0.2°C over 0° to 50°C (0.36°F over 32°F to 122°F)
Temperature Resolution 0.02°C at 25°C (0.04°F at 77°F)
Temperature Response Time 5 Minutes ( to 90% in airflow of 1 m/sec)
External Temp Sensor Diameter .5 cm (.2 inches)
External Temp Sensor Cable Length 1.8 Meters (6 feet)
RH Measurement Range 0 to 100% RH
RH Accuracy ±2.5% from 10 to 90%
RH Resolution 0.03% RH
RH Response Time 4 Minutes Typical (to 90% in airflow of 1 m/sec; RH change only)
External RH Sensor Diameter 1.0 cm (.38 inches)
External RH Sensor Cable Length 1.8 Meters (6 feet)
Battery Life 3 Years dependant on sampling rate and environment
Battery 1/2 AA 3.6 Volt Lithium Battery, User-Replaceable
Standards Compliance CE
Weight 118 grams (3.1 oz)
Dimensions 100.2 x 30.8 mm (4.0" x 1.5")
Optic USB Base Station offloads full logger in less than 30 seconds
Optical interface to logger eliminates unreliable connectors
Easy USB connection to PC
U23 Pro V2 Series Data Sheet Using Pro V2 Logger with Rain Shield
HOBOWare Software Video Tutorials
How to Launch a HOBO Data Logger using HOBOware Pro Software
How to Readout a HOBO Data Logger using HOBOware Pro
Check Out More HOBOWare Software Tutorials.
MicroDAQ.com accepts
All prices are in U.S. Dollars.
The 
Optic USB Base Station
Can be used as an Optic USB based station for 