EKO MP-11, Instruction Manual

Page: 47 / 96

EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7 Pg. 46
8 - 5 . M e a s u r i n g
After setting the parameters as described in [6-4 Setting Menu], take the measurements according to the
following procedure.
1. Connecting Between Main Unit and PV Module
1) Completely disconnect the power conditioner (inverter) or any other devices from the PV
Array/Module when taking measurements.
2) Connect the PV Probes to the Main Unit.
Turn ON the Main Unit power then clamp the alligator clips attached to the PV Probes to the PV module
terminals.
NOTE: Make sure the PV Probes are connected with correctly with the PLUS and MINUS electrical
poles.
PLUS (+) Red PV Probe
MINUS (-) Black PV Probe
2. Measurement
Next, execute the measurement by pressing the [MEASURE] button while the LCD screen displaying the
Main Menu screen or Monitor screen.
Measuring Screen during the Measurement
It takes approximately 5 seconds to display measurement result from
pushing measure button.
Measurement Result Graph
After completing the measurement, the graph display switches by the
following order each time the Enter button is pressed.
(2) I-V Curve
(3) P-V Curve
(4) dI/dV
－
V Curve (Derivation Curve)
(5) Measurement Information
(6) Characteristics Value 1
(7) Characteristics Value 2
NOTE: When Battery Receptacle Box is used during the measurement, the auto power off function will be
effective. If there is no key operation performed, the power automatically shuts down within 10 minutes to
save the energy.
I
Measuring
V
MEASUREMENT
Measuring Screen
I
V
001
Measurement Result Screen