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Users Manual
4
W Warning
To avoid possible electric shock or personal injury:
• Do not apply more than the rated voltage, as marked on the calibrator, between the terminals, or
between any terminal and earth ground. Maximum for all terminals is 30 V, 24 mA.
• Before each use, verify the calibrator’s operation by measuring a known voltage.
• Follow all equipment safety procedures.
• Never touch the probe to a voltage source when the test leads are plugged into the current terminals.
• Do not use the calibrator if it is damaged. Before you use the calibrator, inspect the case. Look for
cracks or missing plastic. Pay particular attention to the insulation surrounding the connectors.
• Select the proper function and range for your measurement.
• Make sure the battery door is closed and latched before you operate the calibrator.
• Remove test leads from the calibrator before you open the battery door.
• Inspect the test leads for damaged insulation or exposed metal. Check test leads continuity. Replace
damaged test leads before you use the calibrator.
• When using the probes, keep your fingers away from the probe contacts. Keep your fingers behind the
finger guards on the probes.
• Connect the common test lead before you connect the live test lead. When you disconnect test leads,
disconnect the live test lead first.
• Do not use the calibrator if it operates abnormally. Protection may be impaired. When in doubt, have the
calibrator serviced.
• Do not operate the calibrator around explosive gas, vapor, or dust.