2 Channel Temperature Data Logger
Onset HOBO Temperature Data Logger with 1 External Sensor
The HOBO Pro V2 2 Channel Temperature Data logger is a weatherproof logging device with two (2) temperature sensors, 1 internal temperature sensor and the other an external soil/water temperature sensor with 6 ft cable.
Required With Each Pro V2 Data Logger
>> HOBO Waterproof Shuttle or Optic USB Base Station
>> HOBOWare Software Kit
NOTE: NIST Calibration is available. Large Quantity Discounts available!
Features Specifications Documentation
| Description |
Part Number |
Qty 1-9 |
Qty 10+ |
|
| HOBO Pro V2 2 Channel Temp Data Logger |
U23-004
|
$129.00 |
call |
 |
| Required Communications - 1 Required |
| Optic USB Base Station (includes Coupler) |
BASE-U-4
|
$110.00 |
$102.00 |
 |
| Waterproof Shuttle Data Transporter/Optic Base Station w/ Couplers - Requires HOBOWare Pro Software |
U-DTW-1
|
$219.00 |
$203.00 |
 |
| Required Software Kits - 1 Required (Compare HOBOWare Versions) |
| HOBOware Lite Software Kit for Windows/Mac (includes Software and Cable) |
BHW-LITE
|
$39.00 |
call |
 |
| HOBOware Pro Software Kit for Windows (includes Software and Cable) |
BHW-PC
|
$99.00 |
$92.00 |
 |
| HOBOware Pro Software Kit for Mac (includes Software and Cable) |
BHW-MAC
|
$99.00 |
$92.00 |
 |
| Standard NIST Calibration Service |
| Optional Logger Accessories |
| Solar Radiation Shield |
RS3
|
$59.00 |
$55.00 |
 |
| Coupler for U23 Pro v2 Data Logger |
COUPLER2-E
|
$10.00 |
call |
 |
| Clamp to attach Radiation Shield to U23 Data Logger |
U23-RS-CLAMPKIT
|
$6.00 |
call |
 |
| Real-Time Alarm Software for notifications (email,pager,cell,text) - Requires HOBOware Pro software |
BHW-T-ALRM
|
$59.00 |
call |
 |
| Keyspan USB Server for connecting USB-based Devices ( Data Logger ) over a LAN |
US-4A
|
$129.00 |
call |
 |
| Custom USB Interface Cable |
Cable-USBMB-HS
|
$9.00 |
$8.00 |
 |
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
- Keyspan USB Server is Required for Ethernet Connectivity
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) |
| Battery Life |
3 Years dependant on sampling rate and environment |
| Battery |
1/2 AA 3.6 Volt Lithium Battery, User Replaceable |
| Weight |
102 grams (2.7 oz) |
| Dimensions |
100.2mm x 30.8mm (4.0" x 1.5") |
| Internal Temperature Sensor |
| Measurement Range |
-40°C to 70°C (-40° to 158°F) |
| Accuracy |
±0.2°C over 0 to 50°C (±0.36°F over 32°F to 122°F) |
| Resolution (12-bit) |
0.02°C at 25°C (0.04°F at 77°F) |
| Response Time |
40 Minutes ( to 90% in airflow of 1 m/sec) |
| External Temperature Sensor |
| Measurement Range |
-40°C to 100°C (-40° to 212 °F)
Sensor tip and Cable Immersion in Fresh Water up to 50°C (122°F) for one year. |
| Accuracy |
±0.2°C over 0 to 50°C (±0.36°F over 32°F to 122°F) |
| Resolution (12-bit) |
0.02°C at 25°C (0.04°F at 77°F) |
| Response Time |
3 Minutes ( to 90% in airflow of 1 m/sec)
30 Seconds (to 90% in water)
|
| Sensor Diameter |
1.0 cm (.38 inches) |
| Sensor Cable Length |
1.8 Meters (6 feet) |
- 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
MicroDAQ.com accepts Visa, MasterCard and American Express

All prices are in U.S. Dollars.
No U.S. sales tax
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