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The THWD-3 and TH-3 are instruments to measure relative humidity
and temperature. The extended probe allows the user to make
measurements inside ducts or hard to reach areas. The Relative
and MIN/MAX functions enable measurements to be made in two
different areas and then compared. The large dual display and
Data Hold function both make viewing the measurement results
convenient. Both models utilize a capacitive sensor for humidity
measure temperature in °C or °F with 0.1 %RH resolution. Both meters
utilizes a capacitive sensor for humidity measurements up to 100%
with a tenth percent resolution. With an auto power off feature to
save battery life, protective cap for sensor life, vinyl carry case for
transportation and battery installed, the TH-3 is the right choice for
your atmospheric humidity measurement needs. Model THWD-3 has
two extra features with the capability to also indicate Dew Point and
Wet Bulb readings.
Safety Information
This meter has been designed and tested according to:
• EN50081-2
• EN50082-2
Symbols Used in this Manual
Caution ! Refer to the explanation in this Manual
Caution ! Risk of electric shock
Conforms to relevant Australian standards
Complies with European Directives
Power ON / OFF
Do not dispose of this product as unsorted municipal
waste