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Brief des cri ption of the Han dy measurin g
instrument T PW portable
Pi ctu re of the in str ume nt
Conn ect ion s of the i nst rume nt
The hygro-thermometer TPW portable is provided with various connection points on
the top side:
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1 Operating in s tru ction s
1.1 Use r’s ma nual
For detailed operating instructions of the instrument, please go through the user’s
manual, which is provided with the instrument.
The manual also contains instructions for calibration of the instrument.
1.2 Ope rat ing th e ins trum ent
Caution ! Connect the probe only after switching off the instrument. Even if you want
to change the probe, first turn off the device. During plugging in activity, either the
probe or the instrument can get damaged!
The instrument is supplied in calibrated and ready to operate condition. For using the
measuring instrument for the first time, please open the battery compartment with a
screw driver and put batteries in it..
Connect the sensor connection cable of the measuring probe at the corresponding
socket on the front side of the instrument. The relevant arrow mark on the flat side of
the plug must point downwards.
Avoid static charge and touching the electric contacts. The instrument or the probe
can get damaged by electrostatic discharges!
Switch on the device with the ON button. The current humidity and temperature values
are shown on the display.
1.3 Displ ay fo rma t
During normal operation, the double line LC-Display of the operating panel is used to
display the currently measured temperature and humidity values.
Functions under Normal operation
Relative Humidity in % rH
Temperature in °C
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2 Operation of the Hand y mea sur ing instru m ent
TP W por t able
2.1 Funct ion of t he but ton s
The buttons perform the following basic functions:
Switching ON/ OFF the instrument
Hold value in the display
Display Dew point and Absolute humidity
Display of determined minimum and maximum values
Reset minimum and maximum values