3-3
IM 704420-01E
Measurement Preparation and Common Operations
3
3.2
Installing the Instrument
WARNING
To avoid the possibility of fire, never use the instrument with the rear panel
facing down. There are vent holes for the cooling fan on the rear panel. Placing
the instrument with the rear panel down can cause a fire when the instrument
malfunctions. If you must use the instrument with the rear panel down, place a
metal plate or a flame-resistive barrier (grade UL94V-1 or higher) beneath the
instrument.
Note
The specification of the meter presumes that the TA120E is installed horizontally and that the
meter is in the vertical position. The specifications of the meter cannot be satisfied when the
instrument is installed with the rear panel down.
Installation Condition
Install the instrument in a place that meets the following conditions:
Flat and even surface
Install the instrument in a stable horizontal place. Accurate measurements may be
hindered when the instrument is used in an unstable place or tilted position.
Well-ventilated location
There are vent holes on the topside of the instrument. In addition, there are vent
holes for the cooling fan on the rear panel. To prevent internal overheating, allow for
enough space around the instrument (see the figure below) and do not block the vent
holes.
10 cm or
more
