Descripción
HOBO U14 data loggers display, record, and provide alarm notifications of temperature and humidity conditions. Receive out-of-range alarms notifications with the optional Auto Dialer or Remote Audible Alarm. These loggers are well-suited for use in manufacturing, processing, and storage environments where reliable monitoring and documentation of temperature and relative humidity conditions is critical.
The U family of data loggers offers reliability and convenient monitoring for applications that require higher accuracy, better resolution, more memory, or USB connectivity for fast data readout to your computer.
The HOBO U14 logger records and displays temperature and humidity conditions in manufacturing, processing, and storage environments where reliable monitoring and documentation of specific temp/RH conditions are critical.
IMPORTANT: This HOBO data logger requires HOBOware software and a communications device.
Manufacturer Specs
| Environmental | |
| Operating temperature range | -20°C to +50°C, (-4°F to +122°F) , 0 to 100% RH non-condensing |
| Operating relative humidity range | 0 to 95%, non-condensing, noncorrosive environment |
| Logger Capabilities | |
| Capacity | Temp and RH: 21,500 measurements Temp Only: 43,000 measurements |
| Software-selectable sampling intervals | 1 second up to 18 hours, recording times up to 1 year |
| Programmable start time/date | |
| Recording modes | Stop when full |
| Launch Modes | Immediate, Delayed |
| Nonvolatile EEPROM memory retains data even if batteries fail | |
| LCD | |
| Size | 33 x 50.8 mm (1.3 x 2 inches) Displays temperature and relative humidity simultaneously Displays °C or °F (selectable within host software) Displays memory remaining and battery level Displays flashing ALERT for out-of-limits conditions (selectable within host software) and stops flashing on offload or return to normal range |
| Alarms | High and low set points for both temperature and relative humidity Selectable delays for each set point Alert conditions reset on offload or return to normal range Selectable Contact Relay: Normally Closed or Normally Open Contact rating: 48VDC, 1A max Contact resistance: less than 1 Ohm Wire size range is 22AWG to 14AWG 0% Low Battery Range Communications Offloads data to PC or U-Shuttle via USB cable Readout full logger (64K) in less than 30 seconds |
| Timekeeping | |
| Time accuracy | ±1 minute per month at 20°C (68°F) |
| Power | 3 AAA Alkaline batteries, user-replaceable |
| Size/Weight | 125 x 92 x 31 mm (4.9 x 3.6 x 1.2 inches) 170 g (6.0 oz) with batteries |
| Internal 12-Bit Temperature Sensor | |
| Measurement range | -20°C to 50°C (-4°F to 122°F) |
| Accuracy | ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F); ±0.13°C (0.24°F) typical |
| Resolution | 0.02°C @ 25°C (0.04°F @ 77°F) |
| Response time | 15 minutes (to 90% in airflow of 1 m/sec) |
| Temperature Accuracy Drift | Negligible |
| Internal 12-Bit Relative Humidity Sensor | |
| User replaceable | |
| Measurement range | 0-100% RH, -20 to 50°C (-4 to 122°F) |
| Accuracy | ±2.5% from 10% to 90% RH (typical), to a maximum of ±3.5% including hysteresis |
| Resolution | 0.03°C RH @ 25°C (0.05° at 77°F) |
| Response time to 90% | 2 minutes (to 90% in airflow of 1 m/sec) |
| Accuracy Drift | <2% over 5 years typical |
| Hysteresis | 1% typical |
| External Sensors | |
| For External Sensor Specifications, see the sensor’s user manual | |
| Battery Life | |
| The batteries will last one year in typical conditions (logging intervals of ≥ 1 minute with weekly offloads and average temperatures greater than 10°C or 50°F). Frequent offloads and/or extreme temperatures will reduce battery life | |
| At temperatures below freezing (0°C or 32°F), batteries will typically require replacement every six months. In these conditions the battery level bar graph should be checked regularly | |
Tech Specs
Dataloggers / Data Acquisition/Dataloggers for Environmental Variables/Temperature Dataloggers Templ |
|
|---|---|
| Max Temperature | 50 C |
| Min Temperature | -20 C (-4 F) |
| Power Source | Battery |
| Battery Life | 1 YEARS (8760 HR) |
| LCD Screen | Yes |
Test Equipment General Attributes |
|
| Unique Features | Faster USB data download time Improved Temperature/Relative Humidity sensor resolution Real-time display of Temperature and Relative Humidity Alarm display and output ensure timely notification of out-of-range conditions |
| Safety Approval | CE |
| Interfaces I/O | USB |
| Product Weight | 170 GRAMS (0.375 LBS) |
| Product Height | 4.9 IN |
| Product Length | 3.6 IN |
| Product Width | 1.2 IN |
| Data Logging | Yes |
| HTS/Schedule B Number | 9025.19.4000 |
| ECCN Number | EAR99 |
| Battery Type | AAA |
| Power Supply Voltage | Battery Powered |
| Country of Origin | United States |
| Shipping Height | 1.50 IN |
| Shipping Length | 5.50 IN |
| Shipping Width | 5.00 IN |
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