6.4.3. I-V curve measurement with recording by the SOLAR03 remote unit
Irradiance and temperature measurements (if the instrument is set to temperature
measurement mode "Meas.") via SOLAR03 remote unit in recording mode are
recommended if the distance between the modules and the instrument is significant. On
the other hand, since it is impossible for the instrument to obtain the above environmental
values immediately, it is necessary to wait for the data to be transmitted from the remote
unit to the main unit in order to have all the available results.
• The maximum voltage between the P1, C1, P2 and C2 inputs is 1500VDC.
Do not measure voltages exceeding the limits given in this manual.
• Do not perform tests on PV modules or strings connected to the DC/AC
converter.
• The maximum current measured by the instrument is 40A
• Standard IEC/EN62446 requires that measurements are performed string by
string. Even if the instrument is designed to handle inrush current for single
strings or strings connected in parallel, we recommend testing one string at
a time in accordance with the standard.
1. Switch on the instrument by pressing the ON/OFF key
2. Repeat steps 2) to 10) described in § 6.4.2
3. Tap on the "SOLAR03” key to access the control and management section of the
SOLAR03 remote unit (see § 6.2). Check that only one remote unit is active and
connected to the instrument
4. Tap on the "Start/Stop” key to start recording on the connected remote unit; the
following screen will be displayed:
Fig. 41: Recording Activation on Remote Unit - Step 1
5. Tap on to confirm or tap on to exit without proceeding. Recording is
performed with a 1s non-editable scan and the message “REC” appears on the
remote unit display to indicate the operation in progress
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