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Safety tips
Safety is always a priority when working with electricity in industrial sites.

Clamp meter safety tips

In its clamp meter product manuals, Fluke offers the following safety guidelines to help users avoid electrical shock or personal injury:

  • Use the meter only as specified in this manual. Otherwise the protection provided by the meter can be compromised.
  • Examine the case before you use the meter. Look for cracks or missing plastic.
  • Carefully look at the insulation around the connectors.
  • Never measure current while the test probes are inserted into the input jacks.
  • Make sure the battery door is closed and latched before operating the meter.
  • Remove the test probes from the meter before the battery door is opened.
  • Examine the test probes for damaged insulation or exposed metal. Check test probe continuity. Replace damaged test probes before using the meter.
  • Do not use the meter if it operates incorrectly. Protection can be compromised. When in doubt, have the meter serviced.
  • Do not use the meter around explosive gas, vapor or in damp or wet environments.
  • Use only the specified battery type, properly installed in the meter case, to power the meter.
  • When measuring current with the meter's Jaw, keep fingers behind the tactile barrier.
  • To avoid false readings that can lead to electrical shock and injury, replace the batteries as soon as the low-battery indicator Low battery indicator appears.
  • When servicing the meter, use only specified replacement parts.
  • Have the meter serviced only by qualified service personnel.
  • Be careful around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. Such voltages pose a shock hazard.
  • Do not apply more than the rated voltage, as marked on the meter, between the terminals or between any terminal and earth ground.
  • When using the probes, keep fingers behind the finger guards on the probes.
  • Connect the common test probe before connecting the live test probe. When disconnecting test probes, disconnect the live test probe first.
  • Do not work alone so assistance can be rendered in an emergency.
  • Use extreme caution when working around bare conductors or bus bars. Contact with the conductor could result in electric shock.
  • Adhere to local and national safety codes. Individual protective equipment must be used to prevent shock and arc blast injury where hazardous live conductors are exposed.
  • Disconnect circuit power and discharge all high-voltage capacitors before you measure resistance, continuity, or capacitance.
  • Know your meter. For example, for the Fluke 374 and 375, do not measure ac/dc current in circuits carrying more than 1000 V or 600 A with the meter jaw.
  • For the Fluke 376, do not measure ac/dc current in circuits carrying more than 1000 V or 1000 A with the meter's jaw.
  • Never operate the meter with the back cover removed or the case open.
  • Check your manual for specific restrictions. For some models, do not measure ac current in circuits carrying more than 1000 V or 2500 A with a flexible current probe.
  • Do not apply a flexible current probe around or remove from HAZARDOUS LIVE conductors.
  • Do not use the flexible current sensor if the inner contrasting insulation color is showing.
  • When using a flexible current probe, take special care while fitting and removing the probe. De-energize the installation under test or wear suitable protective clothing.
Find the right clamp meter

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©2019 Fluke Corporation. Specifications subject to change without notice. 6005124

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©1995 - 2019 Fluke Corporation
    • Products
      • Accessories
        • See all
      • Building infrastructure
        • HVAC tools
        • Indoor air quality testing
        • Industrial Ethernet tools
        • Laser distance meters
        • Laser levels
        • Network cable testers
      • Calibration tools
        • Fluke Calibration
        • mA loop calibrators
        • Multifunction calibrators
        • Pressure calibrators
        • Temperature calibrators
      • Condition monitoring
        • Power monitoring
        • Vibration monitoring
      • Electrical tools
        • Basic electrical testers
        • Battery analyzers
        • Clamp meters
        • Digital multimeters
        • Earth ground
        • Installation testers
        • Insulation testers
        • Insulated tools
        • Portable oscilloscopes
        • Power quality
      • Fluke software
        • eMaint CMMS
        • Fluke Connect
        • Fluke Calibration software
        • Fluke Networks software
        • Fluke SmartView
      • Industrial imaging
        • See all
      • Intrinsically safe
        • See all
      • Mechanical maintenance
        • Laser alignment
        • Vibration analysis
      • Temperature measurement
        • Contact thermometers
        • IR thermometers
      • Thermal imaging
        • IR windows
        • Thermal cameras
        • Visual IR thermometers
      • Awards
      • New Fluke products
      • Test tools product guide
    • Learn
      • Best practices
        • Custody transfer
        • Electrical inspection
        • Equipment and production line testing
        • Fluid systems
        • Measurement basics
        • Motors and drives
        • Pressure calibration
        • Preventive maintenance
        • Safety
        • Temperature calibration
        • Test tools basics
      • Blog
      • Fluke education partnership program
      • Leak detector
      • Library
      • Online courses
      • Tools and calculators
        • Air leakage calculator
        • FOV calculator
      • Webinars
    • Support
      • About us
        • Careers
        • Companies
        • Contact us
        • Corporate profile
        • Directions
        • Integrity
      • Calibration Services
      • Manuals
      • Press releases
      • Product registration
      • Repair
      • Return materials authorization
      • Safety notices
      • Service center locations
      • Software downloads
      • Warranties
    • Where to buy
      • Promotions and contests
    • Other Fluke companies
      • Fluke Calibration
      • Fluke Biomedical
      • Fluke Networks
      • Fluke Process Instruments
      • See more Fluke brands
        • Accelix
        • Amprobe
        • Beha-Amprobe
        • Comark
        • Emaint CMMS
        • Landauer
        • Pacific Laser Systems
        • Pomona
        • Pruftechnik
        • RaySafe
        • Schad