HT instruments THT70 - Manual (Page 28)

THT70
EN - 26
Fig. 38: Restoring default conditions on the instrument
5. Touch the “Yes” key to restore the default conditions (see Table 1) or the “No” key to
cancel the operation.
Parameter Default setting
Emissivity 0.95
Distance 5m
Environmental temperature 25°C
Relative humidity 60%RH
Reflected temperature 25°C
Offset 0.0°C
Table 1: Thermal camera default settings
Setting the general measuring parameters
1. Touch the item “Measure Setting”. The following screen appears on the instrument's
display:
Fig. 39: Setting the general measuring parameters
2. The parameters whose field is included within the symbols “<” and “>” can be set by
the user.
 Lens  Indication of the type of IR lens installed on the instrument. This parameter
is automatically modified by the instrument by changing the lens. Possible options:
22mm (default), 11mm, 38mm
 Range  Indication of the temperature measuring range. Options: -20°C  150°C
and 0
 400°C
 T. Env:  Environmental temperature setting Measuring range: -40°C  125°C
 Humidity  Relative humidity setting. Measuring range: 1%RH  100%RH
 T. Ref  Reflected temperature setting. Range: -100°C  2000°C
3. Press the “ ” key to go back to the previous screen