The following definitions apply to the terms “Warning” and “Caution”.
• “Warning” identifies conditions and actions that may pose hazards to the
user.
• “Caution” identifies conditions and actions that may damage the
instrument being used.
Use the calibrator only as specified in this manual, otherwise injury and
damage to the calibrator may occur.
Warning
The ASC300 is designed to calibrate and measure low voltage process
signals. To ensure the safety of the operator, DO NOT connect the ASC300
to inputs greater than 30 Volts.
Warning
To avoid possible electric shock or personal injury:
• Do not apply more than the rated voltage. See specifications for supported
ranges.
• 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 cover 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.
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