UX120 4-Channel Thermocouple Data Logger

A four-channel thermocouple LCD display data logger to measure and record temperature in a broad range of monitoring applications.

Records temperatures from -260 to 1820⁰ C and accepts up to four J, K, T, E, R, S, B, or N-type probes. This logger also features an internal temperature sensor for logging ambient temperatures, further extending the range of application possibilities.

Onset also offers a four-channel thermocouple data logger, the HOBO UX120-014M.

Documentation

Highlighted Features

• Easy-to-view LCD display confirms logger operation and battery status
• Near real-time readout of current temperatures, as well as minimum, maximum, average, and standard deviation statistics
• On-screen alarms notify you if temperatures exceed high or low thresholds
• Large memory capacity capable of storing 1.6 million measurements
• Start, stop, and restart pushbuttons
• User-upgradeable firmware
• The optional protective case enables logger use in outdoor environments
• Compatible with HOBOware and HOBOware Pro software for logger setup and graphing & analysis

Specifications

Thermocouple:

Internal 10K Thermistor (Temperature)

• Range: Logging: -20°C to 70°C (-4°F to 158°F)
• Accuracy: ±0.21°C from 0°C to 50°C (±0.38°F from 32°F to 122°F), see Plot A
• Resolution: 0.024°C at 25°C (0.04°F at 77°F); see Plot A
• Drift: <0.1°C (0.18°F) per year

Logger:

• Logger Operating Range:

  • Logging: -20°C to 70°C (-4°F to 158°F); 0 to 95% RH (non-condensing); logger accuracy from 0°C to 50°C (32°F to 122°F)
  • Launch/readout: 0°C to 50°C (32°F to 122°F) per USB specification

• Logging Rate: 1 second to 18 hours, 12 minutes, 15 seconds

• Logging Modes: Normal, Burst or Statistics

• Memory Modes: Wrap when Full or Stop when Full

• Start Modes: Immediately, Push Button, Date & Time or Next Interval

• Stop Modes: When Memory Full, Push Button, or Date & Time

• Restart Mode: Push Button

• Time Accuracy: ±1 minute per month at 25°C (77°F), see Plot B

• Battery Life: 1 year, typically with a logging rate of 1 minute and sampling interval of 15 seconds or greater

• Battery Type: Two AAA 1.5V alkaline batteries, user replaceable

• Memory: 4 MB (1.6 million measurements, maximum)

• Download Type: USB 2.0 interface

• Full Memory Download Time: Approximately 1.5 minutes

• LCD: LCD is visible from 0°C to 50°C (32°F to 122°F); the LCD may react slowly or go blank in temperatures outside this range

• Size: 10.8 x 5.41 x 2.54 cm (4.25 x 2.13 x 1 in.)

• Environmental Rating: IP50

Application

In what environment does this data logger operate?

What measurements does this data logger support?