
IRM-1 –USER MANUAL
CONTENTS
1General information.........................................................................................5
1.1 Safety....................................................................................................................... 5
1.2 General characteristics ............................................................................................ 6
1.3 Compliance with standards......................................................................................6
2Quick start ........................................................................................................7
2.1 Turning the meter on and off, display content..........................................................7
2.2 Selection of general measurement parameters ....................................................... 7
2.2.1 Time and date..................................................................................................................7
2.2.2 Units of solar irradiance and temperature. .......................................................................8
2.2.3 Zeroing the meter inclination angle in relation to the ground............................................9
2.2.4 Compass calibration ......................................................................................................10
2.3 Pairing with a master meter ................................................................................... 12
3Measurements................................................................................................13
3.1 Live mode ..............................................................................................................13
3.2 HOLD mode........................................................................................................... 13
3.3 Inclination in relation to the ground........................................................................ 14
3.4 Geographical direction........................................................................................... 14
4Recorder .........................................................................................................15
4.1 Setting the recording interval and memory mode .................................................. 15
4.2 Recording...............................................................................................................16
5Memory of measurement results..................................................................17
5.1 Recording measurement results in the memory of the user .................................. 18
5.2 Viewing user memory data..................................................................................... 19
5.3 Deleting memory data............................................................................................20
5.3.1 Deleting user memory data............................................................................................20
5.3.2 Deleting the recorder memory........................................................................................21
6Communication..............................................................................................22
7Troubleshooting.............................................................................................22
8Power supply..................................................................................................23
8.1 Monitoring the power supply voltage...................................................................... 23
8.2 Replacing the battery............................................................................................. 23
8.3 Charging rechargeable battery .............................................................................. 23
8.4 General rules for using Li-Ion rechargeable batteries............................................ 23
9Cleaning and maintenance ...........................................................................24
10 Storage............................................................................................................24
11 Dismantling and disposal .............................................................................24
12 Technical data................................................................................................25
12.1 Basic information ................................................................................................... 25
12.1.1 Measurement of solar irradiance....................................................................................25
12.1.2 Temperature measurement of the PV module and the environment...............................25
12.1.3 Measuring of the inclination angle..................................................................................25