METREL Instaltest 61557 MI 2087, Инструкция по эксплуатации

Страница: 51 / 68

MI 2087 Instaltest 61557 Measurement instructions
50
Step 3
•
Position LUXmeter probe parallel to the surface to be evaluated. Turn on the
LUXmeter probe pressing
ON/OFF key. Green lamp should light.
Fig. 45. LUXmeter probe positioning
Step 4
• Press the START key and release it. Instrument will start measuring illumination.
Press the START key to stop the measurement. Last measured result will be
shown on display. See an example of test result on the figure below.
Fig. 46. Illumination value displayed
Store displayed result for documentation purpose; see instructions how to store it in
chapter 4.1. Storing test results.
Notes!
In order measured value not to be influenced by shadows and nonuniform surface
illumination one has to be careful when positioning LUXmeter probe.
bat message, displayed during or after finishing the measurement means batteries are
too weak to guarantee correct result. Replace the batteries.