Specifies that the product has been tested and found to be within its stated tolerance for accuracy. Sper Scientific warrants this product against defects in materials and workmanship for a the stated period from the date of purchase, and agrees to repair or replace any defective unit without charge. Opening the meter to expose its electronics will break the waterproof seal and void the warranty.
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DescriptionModel 100 XEThe original TriFieldĀ® Meter combines all the features needed for fast, accurate measurements of electromagnetic fields. That’s right, professional ghost hunters use the Extech EMF meter to detect fluctuations in EMF to track down rogue energy sources that could be the source of your paranormal activity. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted if available.
This Electromagnetic Radiation Meter will help you locate EMF fields and determine their strengths.


It independently measures electric field and magnetic field, and is properly scaled to indicate the full magnitude of currents produced by each type of field inside a conductive body.
This warranty does not cover probes, batteries, or damage resulting from accident, misuse, or abuse. Then again you may have a level 6 aggressive poltergeist who’s pissed you’re down in the basement again!
It has significant sensitivity at 100,000 Hz, well past the 17,000 Hz horizontal scan of video displays.
Extech 480823 EMF Meter Related: How to be a Ghost HunterIf you enjoyed this post, please consider leaving a comment or subscribing to the RSS feed to have future articles delivered to your feed reader. In addition, the magnetic setting and the electric setting measure true magnitude, a feature found elsewhere only in more expensive meters.
If you hold the meter in the center of a room and tip it to various angles, the magnetic reading will stay approximately the same regardless of which way you tip or rotate it. The electric reading is similar, although the presence of your body alters the actual electric field, so readings will vary more.


The few other meters below $150 read only low-frequency magnetic fields and only in one direction (not true magnitude). The magnetic section of the TriField meter has three field-detecting coils pointing in the X, Y, and Z directions. A circuit amplifies these signals and gives them the proper frequency-weighting (sensitivity increases linearly from 30 Hz to 500 Hz, but with some residual sensitivity up to 100 MHz). A unique network combines the three coil outputs nonlinearly to approximate a true magnitude. Accuracy is 20% at mid-range.The TriField Meter comes with a one-year warranty and a 9-volt transistor battery included. When the BATTERY TEST reads low, the battery can be replaced with any rectangular 9 volt transistor or alkaline (which lasts about 50 hours) type.




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