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Power Analyser, Detect Open Failures / Short Failures of Bypass Diodes in PV Modules & Strings


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FT4310   Datasheet
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Bypass Diode





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Technical Documents (4)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
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Product Overview

FT4310 bypass diode tester users can detect for open faults even when the sun is out without covering the panels. Also test for short circuit faults and cell string losses. It also features number of bypass diode measurements display, automatic polarity judgment function, comparison display, auto hold, live circuit indicator, buzzer sounds, backlight, comparator, battery indicator and auto power off.
  • Test for open or short-circuit bypass diodes even during the day
  • Efficiently test strings without covering panels
  • Save time - simultaneously measure all electrical parameters
  • Automatically transfer data with Bluetooth wireless technology
  • 2s or less measurement time (3sec or less when measurement voltage is 10V or less)
  • IP40 (EN60529) dustproof and waterproof
  • Powered by LR6 (AA) alkaline battery x 6 batteries
  • 152mm W x 92mm H x 69mm D dimension


Bypass diode tester, Test lead set with remote switch (L9788-11), Carrying case 0206, Instruction manual, 6 alkaline batteries.


Bypass diode tester cannot measure strings installed in parallel.
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Available to manufacturer lead time of 43 days

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€1,962.00 ( ex VAT  ) €2,334.78 ( inc VAT )

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