Maintenance - METREL MD 9270 Manual De Instrucciones

MD 9270 Leakage Clamp TRMS Meter with Power Function

6. Maintenance

This section provides basic maintenance information, including instructions for battery
replacement. Do not try to repair or carry out maintenance tasks on your clamp unless
you are qualified for the same and have the corresponding information on maintenance,
calibration and performance tests.
General maintenance
In order to avoid an electric shock or damage to the clamp, do not allow water to enter
the body. Remove the test probes and all the input signals.
Clean the body periodically with a wet cloth and a non-aggressive detergent. Do not use
abrasive or solvent products.Dust and humidity on the terminals can affect the readings.
To clean the terminals:
•
Disconnect the clamp and remove the test probes.
•
Clean the dust from the input terminals.
•
Wet a clean cloth with a cleaning and greasing product.
•
Clean both terminals. The greasing product insulates the terminals from
contamination related to humidity.
Changing the batteries
In order to avoid incorrect measurements that can cause an electric shock or personal
injury, change the batteries as soon as the ( ) symbol appears. Before changing the
batteries, disconnect all test probes disconnect the clamp from all power sources.
To change the battery:
• Adjust the rotary switch to the OFF position.
• Disconnect the test probes and/or all the connectors of the input.
• Use a screwdriver to remove the screw from the battery cover on the back of the
instrumen.
• Remove the used batteries and replace them with new ones.
• Replace the cover and screw it down.
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Maintenance