LumaSense Technologies IS 320 - Manual (Page 19)

IS 320 • IGA 320 Manual General 19
Close above: The contact closes (switches to ground), if the temperature entered in the
“SP1“ box is exceeded. If the temperature falls below that value minus the hysteresis, the
contact opens (a hysteresis between 2 and 20 °C can be set to avoid oscillating of the switch
in the switch point).
Close below: The contact closes (switches to ground), if the temperature falls below the
entered value in the “SP1“ box. If the temperature exceeds that value plus the hysteresis,
the contact opens (a hysteresis between 2 and 20 °C can be set to avoid oscillating of the
switch in the switch point).
4.16 Operating Hours
Shows the operation time that the pyrometer has been in use.