METREL Instaltest 61557 MI 2087, Инструкция по эксплуатации

Страница: 50 / 68

MI 2087 Instaltest 61557 Measurement instructions
49
3.13. Illumination
How to carry out the illumination measurement?
Step 1
•
Connect LUXmeter probe to Instaltest 61557.
•
Set function switch to SENSOR position, the following menu will be displayed.
Fig. 43. Illumination measurement initial menu
Step 2
•
Set Low limit Illumination value . Later will measured results be compared with
the set limit value and, if lower, they will be equipped with “!” mark.
How to set the Low limit value?
• Press the SELECT key, to enter “Low Limit value adjustment mode”, the
following menu will appear:
Fig. 44. Low limit value adjustment menu and the table of available limit values
•
Use the
↑
and
↓
keys, to set required Low Limit Value. Individual strike will
increase/decrease the value for one step, while continuous pressure will
increase/decrease it continuously. If test results are not to be compared with
Low Limit Value at all, then press the
CLR key, no will be displayed instead of
set value.