Description
Know exactly what your solar panel delivers.
The FUZRR FR705E tests a panel’s maximum power in seconds. Pmax, Vmp, Imp, Voc and Isc appear together on one large backlit screen, so you can find weak panels before they cost you energy.
Can your panels be tested?
The meter accepts up to 150V open-circuit voltage. Choose a setup to see if it fits.
Typical datasheet values for illustration. Check the label on your own panels, and remember that Voc rises on cold mornings.
Specifications
| Brand and model | FUZRR FR705E |
|---|---|
| Type | Solar MPPT power meter (PV panel tester) |
| Maximum power | 2000W |
| Open-circuit voltage (Voc) | 12V to 150V DC |
| Short-circuit current (Isc) | Up to 45A |
| Readings | Pmax, Vmp, Imp (shown as Amp), Voc and Isc at the same time |
| Test modes | AUTO (finds the maximum power point for you) and MANUAL (you start each test; wait at least 30 seconds between manual tests) |
| Display | Large LCD with backlight and data hold |
| Input rating | 150V DC max, 2000W max |
| In the box | Meter, test leads, carry case and user manual. See the product photo for the full accessory list. |
What the five readings mean
| Pmax | The most power the panel can deliver right now, in watts |
|---|---|
| Vmp | The voltage at that maximum power point |
| Imp (Amp) | The current at that maximum power point |
| Voc | Open-circuit voltage, with nothing drawing power |
| Isc | Short-circuit current, the most current the panel can push |
Who uses it
Quick answers on the roof or in the shop.
Solar installers
Test every panel before mounting and again at handover. Show your client real numbers, not guesses.
Find the weak panel
Test panels one by one to find the one pulling a string down.
Check used panels
Verify old or second-hand panels before you buy or reuse them.
Troubleshoot pumps and lights
Check the panels first when a solar pump or street light underperforms.
Maintenance rounds
Spot dust, shading and ageing losses during routine checks.
Training and labs
Teach students how Voc, Isc and MPPT behave in real sunlight.
How to test in four steps
- Disconnect the panel from the inverter, charge controller and any load.
- Connect the meter’s red lead to the panel’s positive and the black lead to the negative.
- Press power and choose AUTO for a hands-off scan, or MANUAL to start each test yourself.
- Read Pmax, Vmp, Imp, Voc and Isc, then compare with the panel’s label.
Stay within limits: never connect more than 150V or 2000W. Test in steady sunlight, because readings change with brightness and panel temperature. Compare panels of the same type side by side.
Questions buyers ask
Can I test a panel while it is connected to the inverter?
No. Disconnect the panel from the inverter, charge controller and any other load first, then connect the meter.
How many panels can I test at once?
One panel, or a short series string, as long as the total open-circuit voltage stays under 150V. Add up the Voc of the panels and allow extra for cold weather.
What is the difference between AUTO and MANUAL mode?
AUTO scans the panel and finds the maximum power point for you. In MANUAL mode you start each test yourself, and the meter needs at least 30 seconds between tests.
Why is my reading lower than the panel’s label?
The label rating is measured under laboratory conditions. Real sunlight, dust, shade and heat reduce output. Compare similar panels in the same light, and look for ones that are clearly lower than the rest.
Does it work for batteries or inverters?
No. It is made for testing solar panels (DC, 12V to 150V Voc).
Do you deliver outside Dhaka?
Yes, we deliver all over Bangladesh.
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