Ampro Corporation TH-3 Manual Do Utilizador

2

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.

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