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Please check out our latest Temperature and Humidity USB Data Logger OM-HL-SP Series for more advanced features and lower pricing.
The OM-140 Series are low-cost, compact, battery powered
temperature and humidity data loggers, capable
of unattended logging (recording) of the ambient
temperature and relative humidity (RH) of an
environment for days, weeks or months. The OM-144
data logger can also measure and optionally log surface
temperatures spot-checked by a technician using the
unit’s integral infrared (IR) thermometer.
These loggers can also calculate and display absolute
humidity levels in units of grams per kilogram (GPK) or grains per pound (GPP). Also called mixing ratio, GPK is a more useful
moisture metric than RH to water damage restorers.
Using RH alone, a restorer might unknowingly introduce
moist air - with a low RH but a high GPK - during a job's drying phase.
Data logging can be started or stopped by pushing
a button on the logger, eliminating the need to bring a
laptop to the job site. After a data log has been captured
and stored, it can be uploaded as a .txt file to any PC
running the Windows® XP/7 or 8 operating system after
plugging the data logger into one of the computer's
USB ports. The data logger's internal flash memory
is large enough to store 16,300 pairs of temperature
and RH readings or for the model OM-144 nearly
10,000 sets of RH, ambient temperature and surface
temperature readings. Included with the product is a
mini-disc with the drivers needed to interface the unit
to the computer, as well as software that can display
a data log file as a table or graph and/or export it to
Microsoft Excel. Exporting to Excel is recommended
for sophisticated trending and analysis of humidity and
temperature data and easy detection of unexpected
† All amounts shown in DKK Noter: Comes complete with Windows software on CD, protective cap, USB extension cable, 3.6V lithium battery and user’s manual. Models OM-141 and OM-143 also include a magnetic mounting base. Ordering Example: (1) OM-143 Temperature/humidity data logger with LCD display, DKK955,00