HOBO LCD - Temperature/Relative Humidity (RH) Data Logger

Part # U14-001
 
 
$230
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HOBO data loggers requires HOBOware software (USB interface cable included w/CD purchase) and a communications device. See compatible items below.

Overview

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.

Highlighted 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
  • Two models to choose from - internal Temperature/Relative Humidity external Temperature or Temperature/Relative Humidity
  • Optional Remote Alarm and Autodialer
  • Optional protective case for wet or condensing environments
  • Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis

In what environment does this data logger operate?

This data logger operates in an indoor environment.

What measurements does this data logger support?

The U14-001 data logger supports the following measurements: Relative Humidity and Temperature

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.

Highlighted 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
  • Two models to choose from - internal Temperature/Relative Humidity external Temperature or Temperature/Relative Humidity
  • Optional Remote Alarm and Autodialer
  • Optional protective case for wet or condensing environments
  • Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis

In what environment does this data logger operate?

This data logger operates in an indoor environment.

What measurements does this data logger support?

The U14-001 data logger supports the following measurements: Relative Humidity and Temperature

The country of origin for this product is the United States. To see the full specifications for this product, please see our product manual found under the documentation tab if available.

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.