Testing. 1  All dogs should be tested annually for heartworm infection. Since not all pets receive the proper dose of preventives, the AHS recommends a more conservative testing routine than in the past. 2  Dogs should be tested for heartworm if they are going to be switched from one preventive to another. If a pet owner switches between preventives, there are specific time periods in which their pet should be retested in order to ensure the pet is protected.
Step 4: Testing for an Open Cell in a Flooded/Wet cell battery. If you have the sealed type batteries, this test method cannot be used. Use a temperature compensating battery hydrometer for this test. a.) With the hydrometer, measure and record the specific gravity of each battery cell.
Car Battery Tester-How to Test a Car Battery. Car battery maintenance is a year round requirement, because it is very frustrating to find in a morning that your car suddenly can't start because of the dead car battery. It happens usually in the coldest days. Testing a battery is fairly simple with a selected car battery tester. Read on how to test a car battery ! IMPORTANT SAFETY NOTE: Keep any open flames away from the automotive battery as it produces hydrogen gas that is extremely flammable. Automobile batteries are full of sulfuric acid that can burn your hands.