CORNET® ED-78S Electrosmog meter user`s manual
Contents
1. Handle the unit with right hand in vertical direction and push the power switch button to turn on the power it will come up with RF meter mode 2 The RF sensor is located in the left hand side of the ED78 the LF sensor is located in the right hand top of the ED78 please do not cover the sensor area with hand or other objects 3 There are two push button below the power switch Mode button and Hold button Mode button is used to switch in between RF mode and two LF modes The Hold button is used to freeze the data reading of the ED78 4 RF mode measured RF field strength power density is shown on the digital LCD display with dBm v m or mw m 8 LED lights with Red Yellow and Green color on the right hand side of LCD window are used for quick RF signal level indications 3 Red LEDs are used to indicate the 3 safety ranges The power level of each LED can be found in the table on the ED78 front panel 5 LF mode measured LF magnetic field strength is shown on the digital LCD display with uT and mGauss Two LF modes can be selected by Mode button a LF30mode 0 1mG 30mG and b LF600 mode mG 600mG 8 color LED lights are also available to show the relative strength of the magnetic field 6 Histogram previous 30 signal level readings are recorded and shown as moving graph on the LCD display for both RF and LF mode It can be used for finding direction of signal souce and reccording bursts from digit2. CORNET ED 78S Electrosmog meter user s manual CORNET Microsystem Inc ED 78 Electrosmog meter is a dual mode device for quick measurement of both High frequency RF Electromagnetic wave field strength power density level and Low frequency LF Magnetic field level Gauss Tesla for living environments Itis an excellent device for individual or company with Electromagnetic wave safety concerns It has RF bandwidth of 100MHz to 8GHz with high sensitivity 0 5uw m2 to 1 8w m and LF bandwidth of 50Hz to 10KHz or 50Hz to 1KHz with sensitivity of 0 1uT to 60uT 1mG 600mG or 0 01uT to 3uT 0 1mMG to 30mG with very fast response time Applications High frequency RF Electromagnetic wave field strength and power density measurement Low frequency LF Magnetic field measurement Gauss meter function Mobile phone base station antenna radiation power density measurement Wireless communications Analog amp Digital RF AM FM TDMA GSM DECT CDMA 3G 4G RF power measurement for transmitters Wireless LAN Wi Fi Bluetooth Ultra wide band detection installation optimization Spy camera wireless bug finder Cellular Cordless phone radiation safety level Electrical Utilities SMART METER radiation level AC power line High voltage tower power Transformer motors and small appliance EMF Microwave oven leakage detection Personal living environment EMF safety evaluation Usage guide 1 Put the 9V battery in the ED78
3. al RF signals such as signals from AC smart meter 7 Hold HOLD button can be used to halt the data measurement of the ED78 a HOLD mark will shown on the LCD screen to indicate the Hold condition Push the Hold button again the ED78 will exit from the Hold condition 8 MAX Maximum measured data value since the last power on is shown on the LCD display 9 Average average signal value is displayed on the LCD with A mark It can be used to estimate the duty cycle of the digital RF burst signals 10 Sound function amp LCD backlight go into the Hold mode first then toggle the Mode button in sequence to turn on off the LCD backlight and the Sound signature function a S mark on the LCD indicates the sound mode is on The LCD backlight is forced off when the Sound is ON to reduce the battery current consumption Remember to turn off the LCD backlight or the sound function when it is not needed Audio Sound can be used to detect very low level RF signals down to 0 05uw m especially the modern digital RF burst signals 2012 CORNET Microsystems Inc 1400 Coleman Ave C28 Santa Clara CA 95050 USA Tel 408 9690205 www cornetmicro com ED78SV1 0 12 31 2012 11 SysSetup Menu can be enabled by push and hold the HOLD button then push the Mode button to get into the SysSetup menu use the 1 button to move the cursor in the Menu and use the 2 button to enable disable the functio
4. an Community provided general guidelines in its Council Recommendation of July 1999 1 ICNIRP published similar guidelines in April 1998 2 Table I gives a sampling of the international and national field strength limit values for the general public and continuous exposure for Reference only 950Mhz 1850Mhz Germany 26 Deutsche Verordnung Fi ee 6 V m 6 V m 2 2 Italy Decreto n 381 1998 0 1W m5 0 1W m l 51 V m 83 V m The Netherlands Health Council 6 92W m2 18W m2 4 Vim 6 V m Switzerland Verordnung 1999 0 04W m2 0 1W m2 49 Vim 68 V m China Draft National Quality Technology 49 V m 61 V m Monitoring Bureau 6 33W m 10W m T Radio Radiation Protection Guidelines 49 V m 61 V m p 1990 6 33Wim2 10W m 1W m2 1000mW m2 ImW m2 1000uW m2 0 1uW cm2 JuW m2 0 001mW m2 1uT 10mMG 5 766 LF 4y 384 mG MAR 45 3
5. he top right hand of the ED78 and the meter is normally used in Horizontal position in LF mode Please rotate the meter to find the maximum reading direction in either case The maximum reading will also increase as you approach the source ED78 can be used to find the location of signal source Most of modern communication devices Mobile phone Wireless LAN Wi Fi etc use digital RF burst signals When measuring this type of signals several LED lights will blinking at the same time this is normal and it can be used as an indication of burst type of RF signals For continues waves AM FM signals the LED light will be stable ED78 measures the peak power density of the signal with very fast sampling time It is more accurate than the needle style of readout which only shown the average value of signal power most of the time Electromagnetic wave field strength power density reduces very fast with distance distance square keep a good distance from the high frequency RF signal source can reduce the high frequency radiation effect Alumina foil or window sun reflector film silver color can be used as a effective and low cost shielding material for most of RF radiations ED78 is designed for quick living environment RF radiation evaluation and is for reference use only Official RF safety radiation measurement procedure is complicate and should be handled by trained technical person with lab instruments Safety range standard listed below is fo
6. ignal in short burst every few minutes use MAX function and Histogram function of ED78 and wait a few minutes to capture the radiated RFsignals LF Gauss Electrosmog meter sensor LF no 33 47 indication S84 m LED power RF switch sensor N mode button Hold button ED 15 LED signal level table Max signal level mw m Current field strength mw nr Field strength power density readout ED78 use 8 high brightness LED to indicate the measured power density with 3 safety indications LED RF Power RF Power LF600 LF30 y E p Indication Action color level density level 5 dBm 2 30uT 3uT Italy RF safety oe RED3 up 0 18 w m up andara 0 1w m 2 Caution p 2 Swiss RF safety ae RED2 10 dBm 0 058 w m 20uT 2uT Standard 0 04w m Caution 2 Russian RF safety en RED1 15 dBm 0 018 w m 10uT 1uT standard 0 02w m Caution YELLOW3 20 dBm 5 8 mw m 5uT 0 5uT safe YELLOW2 25 dBm 1 8 mw m 2uT 0 2uT safe YELLOW1 30 dBm 0 58 mw m 0 5uT 0 05uT safe 2 WiFi Wireless LAN GREENS 35 dBm 0 18 mw m 0 2uT 0 02uT typically in this range safe 40 dBm 2 0 2uT 0 02uT Some signal source GREEN2 dow 0 06 mw m T Feria safe Most high frequency RF antenna such as Mobile phone base station is vertical polarized in vertical direction therefore while in RF mode the ED78 is normally used in vertical direction For LF mode the LF sensor is located in t
7. n In the SysSetup menu a EXIT exit the SysSetup menu return to normal mode b RF level units select mw m v m or dBm c MAX_CLEAR bit If the MAX_CLEAR is ON the MAX value can be cleared by toggling the HOLD button If it is OFF the MAX value can be cleared only by power off the meter d Alarm function ON OFF and one of the 5 trigger levels 0 5 10 15 20 dBm can be selected to trigger the audio Alarm Alarm function is not used in LF modes e RESET reset to factory default mw m MAX_CLEAR off Alarm off f SAVE push the 2 button to save the changes of setup to EEPROM if EXIT without SAVE to EEPROM first the changes will still functional but will lost if the meter is power off The LF30 mode has high sensitivity 0 1mG 30mG but with lower frequency range 50Hz 1KHz to reduce the high freqency noise The LF600 mode with sensitivity 1mG 600mG has higher frequency coverage 50Hz 10KHZz When measuring the high frequency digital pulse type of signals such as switching power supply the LF30 mode might have lower reading than the LF600 mode this is due to the lower frequency coverage range of the LF30 mode 12 13 While in LF modes magnetic field measurement please hold the ED78 steady to get the good stable reading avoid fast moving of the ED78 to prevent the sudden change of the reading caused by the Earth magnetic field 14 AC Smart Meter radiates RF s
8. r reference only ED78 is not a medical instrument Please do not use it in medical legal or other related applications The SENSOR mark on the bottom of the back enclosure cover is not used in ED78 ED78 is designed for home and personal use It is not for commercial rental purpose Specification Sensor type Electric field sensor and Magnetic field sensor Frequency range amp Sensitivity RF 100MHz to 8GHz 60dBm to 5dBm 0 5uw m2 to 1 8w m 14mv m to 26 2v m LF1 50Hz to 10KHz 0 1uT to 60uT 1mG to 600mG LF2 50Hz to 1KHz 0 01uT to 3uT 0 1mMG to 30mG RF Peak power measurement 0 5uw m to 1 8w m Display type digital LCD graphic display Unit of measurements dBm mw mz2 v m uT mG LCD back light 15 seconds auto off and manual on off control Display of data LCD 4 and 5 digit 8 LED color segment Moving Histogram level time of previous 30 recorded data Analog segment bar Data update rate Sampling rate 3500 sec Display update rate 2 sec Error rate 3 5dBm Functions Hold Max Average Sound signature Alarm Sound amp Alarm Audio Sound ON OFF control programmable Alarm triggering level Safety standard indication 3 safety range indication by 3 Red LED Battery used 9V alkaline battery not included Battery life gt 20 hours 2012 CORNET Microsystems Inc 1400 Coleman Ave C28 Santa Clara CA 95050 USA Tel 408 9690205 www cornetmicro com ED78SV1 0 12 31 2012 The Europe
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