Part Number - H14-001

HOBO Temperature/Relative Humidity Data Logger

Discontinued

The HOBO LCD Temperature/Relative Humidity (RH) Data Logger displays and records temperature and humidity conditions. It is well-suited for use in manufacturing, processing, and storage environments where reliable monitoring and documentation of specific temperature/relative humidity conditions are critical. Data is offloaded via cable to a PC. An alarm display and built-in relay for use with Onset's Remote Alarm and/or Autodialer accessories assure timely notification of alarm conditions.

Important Information

HOBO data loggers require HOBOware software (USB interface cable included w/CD purchase) and a communications device. See compatible items below.

Compatible with

HOBOware

Product upgrade options

U14-001

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

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Overview

The HOBO LCD Temperature/Relative Humidity (RH) Data Logger displays and records temperature and humidity conditions. It is well-suited for use in manufacturing, processing, and storage environments where reliable monitoring and documentation of specific temperature/relative humidity conditions are critical. Data is offloaded via cable to a PC. An alarm display and built-in relay for use with Onset's Remote Alarm and/or Autodialer accessories assure timely notification of alarm conditions.

Features

  • 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 or external Temperature or Temperature/Relative Humidity sensors
  • Optional Remote Alarm and Autodialer
  • Optional protective case for wet or condensing environments
Country of Origin
United States

Specifications

Environmental
• Operating temperature range -20°C to +50°C, (-4°F to +122°F)
• Operating relative humidity range 0 to 95%, non-condensing
• Non-corrosive environment

Logger Capabilities
• Capacity: 65,136 measurements
• Software-selectable sampling intervals: 1 second up to 9 hours, recording times up to 1 year
• Programmable start time/date
• Recording modes: Stop when full, Wrap-around when full
• 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
• Displays battery level
• Displays flashing ALERT for out-of-limits conditions (selectable within host software)

ALERT
• High and low set points for both temperature and relative humidity
• ALERT conditions reset on offload
• ALERT relay output selectable: Normally Closed or Normally Open
• Contact rating: 48VDC, 1A max
• Contact resistance: less than 1 Ohm
• Wire size range is 22AWG to 14AWG

Image
Time Accuracy Plot

Communications
• High Speed RS-232 serial offload
• Offloads to PC or Palm handheld with serial cable
• Offload speed 38.4Kbps. Readout full logger (64K) in less than 1 minute

Timekeeping
• Time accuracy: ±1 minute per week at +20°C (+68°F), see
plot A

Size/Weight:
• 125 x 92 x 31 mm (4.9 x 3.6 x 1.2 inches)
• 170 g (6.0 oz) with batteries

Power
• 3 AAA Alkaline batteries, user-replaceable

Internal Temperature Sensor
• Measurement range: -20°C to +50°C (-4°F to +122°F)
• Accuracy: ±0.7°C at +20°C (±1.3°F at +68°F), see plot B
• Resolution: 0.4°C at +20°C (0.7°F at +68°F)
• Response time (to 90%): Less than 15 minutes in airflow of 1 m/s (2.2 mph)
• Temperature Accuracy Drift: Negligible

Int

ernal Relative Humidity Sensor
• User replaceable
• Measurement range: 15% to 95% at +25°C (+77°F)
• Accuracy: ±3% over range of 20% to 80%, see plot C
• Response time to 90%: <2 minutes in airflow of 1 m/s (2.2 mph)
• Accuracy Drift: <2% over 5 years typical

Compatible items

Communication Cables

ADAPT-SER-USB
$69.00 USD

Communication Cables

CABLE-PC-3.5
$25.00 USD

Documents

HOBO LCD Data Logger (H14-001, H14-002) User's Manual

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