LogTag UHADO-16 Temperature & Humidity Logger with Display

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 LogTag UHADO-16 Temperature & Humidity Logger with Display

• Record and display Temperature & Humidity readings simultaneously
• Up to 16,000 sets of recordings - enough for the longest trip
• Real time clock provides date/time stamp for every recording
• USB micro-port for direct connection to a computer
• Automatic generation of a PDF report without special software
• Supports fast download using standard and Wifi LogTag® Interface cradles
• User configuration for alarm setting, logging interval, trip duration etc.
• In transit inspections can be recorded at the push of a button
• User replaceable CR2032 coin cell battery


The LogTag® UHADO-16 Temperature &
Humidity logger measures and stores up to
16,000 sets of high resolution humidity and
temperature readings over a measurement
range of 0~100% RH and -30°C to +70°C (-22°F
to +158°F).

The display shows current Temperature &
Humidity readings, Alarm status and Recording
status. By pushing the “Review” button, the user
can check minimum and maximum Temperature
& Humidity readings for the trip, and the duration
of any Temperature & Humidity recordings in the
Alarm range.

The UHADO-16 can be connected directly to a
computer for configuration and data download
using a standard Micro-USB to USB cable. The
user has the option of automatically generating
a PDF report on download. In addition, the
UHADO-16 is fitted with three contact pins,
meaning that it can be used with the LogTag®
LTI-USB, LTI-HID and LTI-WiFi Interface Cradles.
Data can be processed using readily available
LogTag® Analyzer and LogTag® Online cloud.



UHADO-16 Specifications


Product Model UHADO-16
Accuracy Calibrated accuracy of ±0.3 Deg C from +40 to -40°C, and 2% RH from 20%RH to 80% RH
Environmental IP61
Real Time Clock

Built-in real time clock.
Rated accuracy ±25ppm @ 25°C (equivalent to 2.5 seconds/day).
Rated temperature coefficient is -0.034 ±0.006ppm/°C (I.e typically +/- 0.00294 seconds/day/°C).

Connection Interface

Interface Cradle or USB 2.0 / Micro USB plug (not included).

Alarming Audible and visual alarm for out-of-range temperatures.

Displays low battery indicator, current temperature, minimum and maximum temperature, alarm, duration of alarm, time, recording, stopped, and summary of
days collected.

Recording capacity Memory storage of 16,129 pairs of fumidity and temperature readings.
Logging rate User programmable logging rate from every 30 seconds to hourly.
Humidity Resolution Better than 0.1% RH.
Temperature Resolution    Better than 0.1°C or 0.1°F
Certification  Certificate of Calibration NIST traceable, compliant to ISO 17025:2017.
Download time Typically less than 10 seconds for full memory, depending on computer or readout device used.
Battery life

1 year of normal use (based on 15 minute logging, download data monthly). Replaceable battery.

Power Source

3V CR2032 (LiMnO2) coin cell battery, user replaceable.


Re-conditioning Procedure

Exposure of the internal sensor to chemical vapors may interfere with the internal sensor and cause inaccurate readings to be logged. In a clean environment, this will slowly rectify itself. However, exposure to extreme conditions or chemical vapors will require the following reconditioning procedure to bring the internal sensor back to calibration state.

80°C (176°F) at<5%RH for 36 hours (baking) followed by 20-30°C (70-90°F) at>74%RH for 48 hours (re-hydration) High levels of pollutants may cause permanent damage to the internal sensor.


Exposure to Chemicals

Chemical vapors may interfere with materials used for the humidity sensor. The diffusion of chemicals into the sensor’s polymer may cause a shift in both offset and sensitivity. In a clean environment the contaminants will slowly outgas.

The reconditioning procedure described above will accelerate this process. High levels of pollutants may cause permanent damage to the humidity sensor’s polymer.