Question about Greenlee Dm-20 Digital Multimeter

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My DM 20 is making a high pitch squelching noise after I tried testing my solar fence charger. The charger output is 6.5 volt max. I put the tester on 20 V dc and then it started. I checked the fuse and it's fine but when I turn it on it makes the noise, displays the "lightning" symbol and "-" plus various numbers and letters blink on and off? What happened? Mel

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Your problem is red or black lead wire broken

Posted on Jun 02, 2011

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2 Answers

My solar panel is not working in my birdbath fountain. When I did a troubleshoot it said to test the unit with the fence unhooked. What is the fence?


Check the pump to see if there is a blockage stopping the impeller from moving. If you have a volt meter, measure the output of the solar cell in bright daylight to see if it is producing the correct voltage.

Jun 19, 2016 | Solar Electrical Supplies

1 Answer

How long does it take to charge battery in solar fence charger?


    1. A solar powered electric fence energizer usually contains a battery for energy storage. The solar panel collects the energy from the sun and charges the battery. Lead acid batteries, which are used in solar fence chargers, typically last around 3 years, or around 1,000 days of charging.

      About Fence Chargers - Zareba Systems

      www.zarebasystems.com/learning-center/all-about/fence-chargers
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  1. About Fence Chargers - Zareba Systems

    www.zarebasystems.com/learning-center/all-about/fence-chargers
    A solar powered electric fence energizer usually contains a battery for energy storage. The solar panel collects the energy from the sun and charges the battery. Lead acid batteries, which are used in solar fence chargers, typically last around 3 years, or around 1,000 days of charging.‎What can I do to prevent ... - ‎What factors should I consider ...

    [PDF]Fence Controller Installation - Zareba Systems

Jan 01, 2016 | Cars & Trucks

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I have a Parmak Model DF-SP-LI. With a volt meter it reads 2.3 on the fence, but the performance meter is always reading beyond the green.


It depends on the type of fence tester. the common light-o-meters are a resistor ladder, calculated not only for voltage but current. the DF-SP-LI uses half the lowest current most are designed for. no if that is a digital or analog meter, then it would be time to check the out put from the charger with out the fencer connected. if you get the same reading it maybe defective unit. if you get a better reading then you will probable need to upgrade your ground system. insuffencient ground will show its self as a low out put on the fence but not on the charger.

May 20, 2012 | Parmak Solar Fence Charger

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We have 2.2 miles of fence,the charger is good for 30 miles.We have a 8 ft ground rod by the charger. the fence is a continues loop. positive wire to fence, negative to ground. meter on the charger says it...


You have got to make sure there are no weeds or brush at all touching the hot wire. Nothing can touch it or it pulls the voltage level way down. Do a full inspection of line.

Oct 02, 2009 | Parmak Solar Fence Charger

3 Answers

No shock from charger


did you make sure the fence isn't grounded or an insulator hasn't melted

Apr 12, 2009 | Parmak Solar Fence Charger

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