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The Extech EMF450 is a 3-in-1 EMF meter that measures and displays Magnetic Field, Electric Field, and Radio Frequency Strength.
Specifications | Range | Max Resolution | Basic Accuracy |
Magnetic Fields (50/60Hz) | 20/200/2000mG 2/20/200μT | 0.02/0.1/1mG 0.02/0.1/1μT | ±(15%+100 digit) |
Electric Fields (50/60Hz) | 50V/m to 2000V/m | ±(7% + 50dgt) | |
RF Strength (50MHz to 3.5GHz) | 0.02uW/m² to 554.6mW/m² | 0.02μW/m² | |
0.02uW/cm² to 55.4uW/cm² | 0.002μW/cm² | ||
36.1mV/m to14.46V/m | 0.2mV/m | ||
0.02mA/m to 38.35mA/m | 0.2μA/m | ||
-51dB to 16dBm | 2dB | ±2dB at 2.45GHz | |
Dimensions/ Weight | 4.5 x 2.4 x 0.8" (115 x 60 x 21mm)/ 4.2oz (120g) |
Bargraph | Magnetic Fields | RF Strength | Electric Field |
Green | 0 to 10.00mG | 0 to 0.99mW/m² 0 to 0.59V/m | 0 to 500V/m |
Yellow | 10.01 to 100mG | 1 to 9.99mW/m² 0.6 to 1.9V/m | 501 to 1000V/m |
Red | 101 to 2000mG | >10mW/m² >2V/m | >1001V/m |
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- Home appliances
- Power lines,
- Electrical appliances
- Industrial devices
- Mobile/cell phones
- Base stations