Extech EX542 12 Function True RMS Industrial Multimeter/Datalogger logs up to 9,999 readings with its wireless USB (915MHz) that lets you send readings to your computer instantly. The EX542 takes True RMS readings for precise AC voltage & current measurements.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
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Replaced by MG320 + 480403 + MA445
