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Senin, 08 September 2014

Electromagnetic Field Radiation Strength Meter - Lutron EMF 827 -

Quickly test and measure electromagnetic radiation levels - really low buy price !

 Low frequency magnetic field measurements
 Easy to handle one way measuring probe
 Low cost
 Easy to use
 Handheld & lightweight
 2000 point digital display
 Battery Powered
Electro Magnetic Field Strength Meter features:
This Lutron EMF-827 EMF meter is a simple to use hand held meter which has been designed for measuring electromagnetic fields (EMF) between 0.1 milli gauss and 200 milli gauss. The Lutron EMF 827 gauss meter can be used to confirm the presence of electro magnetic field radiation by reading the value and then by searching with the detection probe the radiation source / sources maybe identified. The detection range includes industrial electrical currents at 50Hz/60Hz & their harmonics. Unit displays in Tesla.
A lot of people are worried about the long term effects and the biological consequences* on the human body. Electromagnetic fields EMF are the resultant of an electrical field component and a magnetic field component: transformers (including sub stations), high voltage power lines mounted on pylons, electro magnets, cathode screens, electric ovens etc.
These often high level fields create disturbances in their immediate environment, with a variety of effects: buzzing in telephones, oscillating picture on cathode ray tubes (TV and monitors), defective reading of magnetic tapes, EMC coupling problems in cables high and low currents.
* It is now accepted that the proximity of high voltage electricity lines or major sources of electrical current (underground /overhead cables) can cause serious health problems for some people.
Here are 2 useful links that may be of interest:
NRPB (National Radiological Protection Board): about EMF & Electromagnetic Radiationand
A review of Electromagnetic Fields associated with Motorised Appliances produced for the HSE (Health and Safety Executive) 
Specifications for Lutron EMF 827:
Measurement ranges
Range 1: 20 micro Tesla resolution 0.01 micro Tesla
Range 2: 200 micro Tesla resolution 0.1 micro Tesla
Range 3: 2000 micro Tesla resolution 1 micro Tesla
Information: 1 micro Tesla = 10 milli gauss
Bandwidth30Hz to 300 Hz
AxesSingle Axis
Accuracy at 50/60Hz
RF field level <3 V/m
and < 30 MHz
20 micro Tesla range +/-4% +3 pt
200 micro Tesla range +/-5% +3 pt
2000 micro Tesla range +/-10% +5 pt
Range OverrunThe screen displays "1"
EMC CompatibilityEmission EN 50081-1
Immunity EN 50082-1
Operating Temp.0 to 50 degrees C
DimensionsCase: 163mm x 68mm x 24mm
Detector Probe : 175mm x 45mm x 22mm
Weight
285g including 9V battery
Electrical SafetyIEC 1010, indoor use

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