Answer:
1.Calibrate the multimeter at frequent intervals.
2.Protect the instrument from dust, fumes, moisture and heat.
3.Renew ohmmeter batteries.
4.When checking the resistance of the circuit, make sure the switch off the power to the circuit.
5.Start with the highest range of measurement and move down successively prevent overloading of the water.
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Answers & Comments
Answer:
1.Calibrate the multimeter at frequent intervals.
2.Protect the instrument from dust, fumes, moisture and heat.
3.Renew ohmmeter batteries.
4.When checking the resistance of the circuit, make sure the switch off the power to the circuit.
5.Start with the highest range of measurement and move down successively prevent overloading of the water.