We are very excited to offer this simple and useful item for anyone who wants to monitor their EMF environment without having to stare at their meter for hour after hour. Carry it with you to alert you when you become exposed to more radiation that you want. Set it in a strategic location to alert you when a field trips the alarm. You set the level (threshold) above which the alarm will sound. Can also be used as a nice analog meter to read field strength. Same specifications as our Trifield Meter.
Personal EMF Alarm (Cat. #A154)
$189.95
ElectroSensor™The Smallest Gaussmeter We Could Find!
ElectroSensor (Cat. #A144) ................ $24.95
Most experts agree that chronic exposure to more than 2.5 milli-Gauss is inadvisable. This meter will show you which areas are above or below 2.5 milli-Gauss in the 50 - 60 Hz frequency range. Hand-held, lightweight and durable, with two easy to read scales (0-1 mG, & 0-10 mG), and dramatic audio signal. Our favorite meter for demonstrating the presence of dangerous EMFs to others and paranormal work. Requires one 9V battery (not included). Calibrated at 50-60 Hz. Includes nice instructions on how to perform a proper survey of your home, office, or school yard.
Want to make modifications to your GaussMaster? Here is a link to a site (not affiliated with Less EMF Inc.) showing how to add switches, amplifiers, outputs and more to your GaussMaster to make it even more useful.
Rugged, Compact, & Lightweight Magnetic Field Meter Couldn't be easier to use, just turn it on and get accurate reliable readings. Perfect for situations needing high resolution measurements of AC magnetic fields without spending a lot of money. Large LCD display reads 0.1 -199.9 mG over the ELF range of 30 - 400 Hz. Provides readout in both mG and microTesla. Calibrated to within 4% ± 3 digits at 50/60 Hz. This single axis meter samples every 0.4 seconds when flipped on with slide switch. Requires one 9V battery. One year limited warrantee. Like all single axis meters, this meter must be rotated during use to find the proper orientation to the magnetic field being measured to get proper readings.
Single Axis Digital Gauss/Tesla Meter (Cat. #A111) ..... $79.95
Good up to 20,000 mG! Tired of gaussmeters without enough muscle to handle the strong magnetic fields commonly found near vacuum cleaners, electric can openers, hair dryers, power tools and the like? This unit offers high accuracy (4% ±3 digits 50/60 Hz) at , single axis, 50/60 Hz readings of both weak fields (down to 0.1 mG) and very strong AC fields (up to 19990 mG). Simple one-button operation, 3½ digit LCD display, and useful from 30Hz - 300Hz. Readout in microTesla with simple x10 conversion for mG. Requires one standard 9V battery. A lot for the price!
PEAK finds Worst Case Exposure Nice versatility in a low cost 1-axis meter. Comfortable in the hand and easy to read large digital 3½ display. Peak feature allows user to let the meter run over extended periods to identify worst case fields. Hold feature will hold current readout. Can also be used in normal mode to make real time measurments.
Peak/Hold Gaussmeter (Cat. #A425) ... $99.95 
Filters Out the Noise Low cost, portable, single axis home model with large, easy-to-read 3½ digit display. What makes this meter unique is the very narrow bandpass filter which only allows the calibration frequency to be read. Gives very accurate readings without distortion from harmonics.
Range: 0.1 - 199.9 milliGauss
Deluxe carry case and 9V battery included
Bandpass AC Gaussmeter 50 Hz (Cat. #A1150)
......... $199.00
Check Each Axis Individually This EMF tester is designed to provide user a quick, reliable and easy way to measure magnetic field levels around power lines, electrical appliances, wiring and industrial devices.
- One button scrolls through X, Y, and Z axis readings
Complete with 3ft (930mm) sensor cable, and hard carrying case. 1 year warranty.
XYZ Axis EMF Tester (Cat. #A194)
$149.99
This 3-axis AC gaussmeter is very unique, especially the 60 Hz filtering switch. Flip this switch to SUM to measure a wide range of frequencies (20 Hz to 100KHz). Flip to FILTER and 60 Hz signals ((±10 Hz to 3 dB, common powerline and household electricity) are NOT included in the detection. This feature combined with the LED output and switchable sound make this an excellent choice for paranormal and routine work. Readout is easy to see and hear in low light conditions, even by a group of people. 7 LED display will show 1 LED in DOT mode, or include all lower level LEDs in BAR mode. ±10% Accuracy at 60 Hz. Uses 9V battery Made in USA. 1 year warranty.
60 Hz Blocking EMF Meter (Cat. #A102)
$169.00 Get the AC to 9V DC Adapter to power this meter for prolonged use.
This Gaussmeter Does It All Compact and easy to use, this digital unit can measure ELF and/or VLF magnetic fields in either single axis mode (to help identify the orientation of the field) or 3-axis mode (which makes routine measurements much faster and more reliable). Range from 0.01 mG to 1999 mG. 3½ digit display. 3% accuracy from 45 to 5000 Hz but useful from 13 Hz to 75 kHz. Very simple: One knob controls range, one knob for single or 3-axis, and one on/off switch. Uses standard 9V battery (included). Made in USA, with NIST type certification. One year mfr warranty.
Switchable 1:3 Axis Gaussmeter (Cat. #A153) ..... $279.00
Simplicity and Digital Accuracy
This meter is auto-ranging and includes a soft carrying case, 9 volt alkaline battery, and a one year mfr. warranty. Accuracy traceable to NIST standards.
4080 ELF GaussMeter (Cat. #A171)
.. $295.00
Newest Gaussmeter from FW Bell
4180 ELF GaussMeter (Cat. #A171N)
.. $324.50
Enhanced Features This meter is like the 4180 on steroids. All the same features, plus improved accuracy, wider range, and internal Software Data Logging
Corrected analog output (5K samples /sec) for viewing analog waveform on an oscilloscope, spectrum analyzer, or similar test equipment which is useful for determining harmonic content and other waveform properties. Output scaling is 2V FS (200 mG or 2000 mG).
4190 ELF GaussMeter (Cat. #A172N)
.. $595.35
Tremendous Capability and Versatility We are really excited about this new meter designed to provide quick, reliable and easy measurements of electromagnetic field radiation levels around power lines, home appliances and industrial devices. Displays microTesla or milliGauss, XYZ or 3-axis, and offers: Data hold and Peak hold functions. Extremely sensitive (with new "tare" feature for improved accuracy below 1 mG) with range all the way up to 1999 mG. Want more? 2000 datalogging capacity with time/date stamp for field use and RS-232 Optical interface with Windows 98/2000/XP software and cable included. Large, easy to see display. Gets about 100 hours from 6 AAA batteries, included. SPECIFICATIONS
Click here for More Information about the software supplied with this product.
Datalogging 3-Axis Gaussmeter w/ PC (Cat. #A491)
. $299.00
Don't have a serial port on your computer? No problem. Connect through your USB port with this adapter. Includes driver software.
Recommended with any meter purchase:
A practical guide for reducing AC magnetic fields produced by building wiring and improper grounding practices. Step by step instructions for detecting wiring problems and a full description of common wiring errors and how to correct them. This guide is for anyone who wants to inspect their own home, electricians and electrical inspectors, those starting a new profession in EMF consulting, as well as those involved with the process of building construction such as architects and contractors. Utility personnel involved in EMF measurements can profit from this information. 96 pages, spiral bound book. Completely updated in 2005.
TRACING EMFs (Cat. # A530)....................$28.00
The EMDEX Snap is an easy to use 3-axis digital survey meter. Controlled by a Motorola microprocessor, the Snap displays resultant magnetic field levels every 0.5 seconds. One simple On/Off switch. 0.1-1000 mG range with typical 3% accuracy at 50/60 Hz. Covers 40-1000 Hz. The Snap is a low-power consumption unit which can operate continuously for over 50 hours on a single 9-volt battery. Made in USA with 90 day mfr wty. Includes NIST Traceable serialized calibration certificate.
EMDEX Snap (Cat. #A477) ........... $456.00
The EMDEX Mate is a cumulative exposure meter which provides reliable 3-axis results that are displayed at the end of the measurement session. You see: Time-Weighted-Average (this is the average level of exposure during the measurement period), Minimum and Maximum levels recorded during the measurement period, Standard Deviation, Percent of Time in Six Different Exposure Level Ranges, Cumulative Exposure Time This instrument extends the capability of all investigators to perform exposure assessment studies for workers (during entire work periods or for individual tasks), home owners, children, and for all others where magnetic field exposure is to be evaluated. 0.1-1000 mG range with typical 3% accuracy at 50/60 Hz. Covers 40-1000 Hz. Very simple to operate. Once the power switch has been turned on, data collection is initiated by setting a second switch to RUN. The Mate displays current real-time magnetic field levels every 0.5 seconds as it accumulates exposure data (however, individual measurement values are not recorded). To end data collection and view dosimetry results, set the second switch to DISPLAY RESULTS. The Mate continuously scrolls the statistical exposure measurement results until power is turned off. 50 hours operation with alkaline 9V battery. Includes NIST Traceable serialized calibration certificate.
EMDEX Mate (Cat. #A479) ........... $569.00
Typical Applications include checking the 50 and 60 Hz magnetic fields produced by such equipment as transmission lines, computers, electric blankets, electric appliances, televisions, etc. Very high accuracy and sensitivity. Made in USA by INTEGRITY DESIGN. Specifications:
Commercial AC Magnetic Field Meter:
50 Hz calibration(Cat. #A1100-50)
........
$625.00
E.L.F.-ZONE™ GAUSS METERIdentifies Proper Distance From Radiation Source
E.L.F.-Zone Gaussmeter (Cat. #A121) .......................... $12.95
Unit includes a single axis probe on 2 foot cable and audio amplifier with adjustable volume. You can even use an optional earphone/headset for discreet operation. Use it to sniff out sources of interference, offending EMF, check shielding designs. Makes a great educational tool. Requires one 9V battery.
Budget Buzz Stick (Cat. #A175-B) ...............
$16.94
Ultra Low Frequency Spectrum AnalysisEquipment Set-Up for Analyzing Frequencies from 0-60 Hz
The voltage output from our Geomagnetometer (read more) provides excellent frequency information from low frequency signals. The amplified, unrectified, Hall effect probe output retains all the frequency information from the magnetic field under investigation. Simply connect the voltage output (3.5mm mono jack) from the Geomagnetometer to the oscilloscope or spectrum analyzer and monitor both field strength AND waveform, frequency, and spectrum distribution of your signals. Because the Geomagnetometer output produces 200 mV at full scale, you get plenty of signal to the oscilloscope or spectrum analyzer. For example, on the 0-2 mG range: 2 mG produces 200 mV output, .05 mG produces 5 mV. On the 0-200 mG range: 200 mG produces 200 mV output, 5 mG produces 5 mV. In our tests, the actual output range from the Geomagnetomer extends significantly beyond 200 mV, and was useful up to 60 Hz and beyond. Interested in .01 Hz? 2 Hz? 7.8 Hz? No problem! You can analyze fluctuations in the Earth's magnetic field, fields from audio recordings, and almost any other ultra-low frequency magnetic field source. Possibly biologic and paranormal sources?
Connect your computer to this meter's output to make a spectrum analyzer (with optional Spectrum Analyzer for PC)! You can even add the Audio Amplifier to boost weak signals.
Geomagnetometer only (Cat. #A3100) ............................................ $750.00
To connect Geomagnetomer to your PC, you will need:
Portable Oscilloscope only (Cat. #A435) ........................................ $159.95
To connect Geomagnetomer to Portable Oscilloscope, you will need:
Truly unique. You get 3-axis VLF readout with simultaneous frequency indication (1-200 kHz), peak hold, alarm, datalogging, and RS-232 connection. Wow! Portable and easy to use. Covers 0.2 2000 mG in 2 ranges. Typical applications include checking the frequencies and magnetic fields produced by such equipment as computer monitors, television sets, video display terminals, induction heaters, industrial, scientific and medical equipment and ground wave energy network. Hard case, 9V alkaline battery & DC adaptor included. Two year parts and labor warranty. Made in the USA
VLF 3-axis Gaussmeter (Cat. #A1130)
.. $1495.00
Typical Applications include checking the frequencies and magnetic fields produced by such equipment as computer monitors, television sets, power lines, induction heaters, industrial, scientific and medical equipment and electric appliances, etc.
ELF 3-axis Gaussmeter (Cat. #A1131)
.. $1495.00
For extended meter use, allows you to use plug-in power to replace the 9V battery in any meter which uses one. Saves money on batteries.
AC to 9V DC adapter (Cat. #A421)
$9.95
ORDERS: 8 8 8 - L E S S - E M F
Perfect for instruments or cameras. Fits plenty of stuff in a compact space. This rugged case features aluminum trim, triple riveted corners, carry handle and locking metal clamp hinges. Black hard sidewalls. Padded inside walls but no foam. 11½'' x 7½'' x 4½''.
ORDERS: 8 8 8 - L E S S - E M F
Durable aluminum case, metal hinges and latch, with clear plastic face. Stylish protection for one meter such as Gaussmaster, ELF Zone, 3-Axis AC Gaussmeter, Infra-Scan, camera, tape recorder, etc. Could also hold eyeglasses, Olympic gold medals, or your other small treasures.
Includes removable neckstrap. Outside dimensions: 6.25 x 4 x 1.75 inches. Interior has black felt padding on the bottom half.
ORDERS: 8 8 8 - L E S S - E M F
Need batteries? Factory fresh, name brand, low price alkaline 9V batteries. Brand may vary. No fancy package, just fresh batteries, cheap. No limit.
ORDERS: 8 8 8 - L E S S - E M F
Copyright 1996-2008, Less EMF Inc.
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What could be better than a meter which alerts you with a loud audible alarm when it encounters a field? How about a meter which allows you to set the sensitivity of the alarm? How about a 3 axis meter? How about a meter which does all this for AC magnetic fields, AC electric fields, and RF radiation?! This meter does all that, for under $200!!
With the push of a button, this simple and accurate gaussmeter measures the level of
magnetic field emitted by all common electrical appliances and equipment. An easy to read
10 LED light bar scale gives readings from 1.5 to 30 mG in small increments. The
ElectroSensor has a detection range of 50-60 Hz with an accuracy of ±3dB. A pickup coil
in the tip of the unit can be rotated for increased directionality. EMF risk can be avoided if
you know where it is. If you are looking for a low cost, user-friendly meter, here it is!
AAA battery included.
This little meter measures the level of ELF magnetic field radiation from power lines, computers, kitchen appliances, and more! The easy to read scale, unique built-in audio signal and auto shut-off make it simple to use and a great way to find hidden sources of ELF frequency magnetic fields.
True 3-axis sensors insure that measurements remain accurate regardless of the orientation of the instrument, making this the easiest digital gaussmeter to use, by far! Just turn on the switch and take your readings. Lightweight and self-contained, this unit is ideal for commercial and home use. Applications include detecting magnetic field emissions from a wide variety of sources, including video display terminals (VDTs), AC power lines, office equipment, household appliances, and all types of electronic equipment.
Lightweight and completely self contained, this easy to use gaussmeter from FW Bell is ideal for commercial or home use. Accurately measures Extremely Low Frequency Magnetic Fields generated by electrical equipment. Applications include detecting magnetic field emissions from a wide variety of sources, including video display terminals, AC power lines, office equipment, household appliances, and all types of electronic equipment. Look at these key features: 3½ digit LCD display, Auto Zero, Min./Max./Peak Hold, Auto Range and Relative Mode. Selectable X, Y, or Z Axis plus Vector Summation, true RMS reading. User selectable Gauss or Tesla readout. Built-in software eliminates the need for complex calibration procedures. User prompts on the LCD allow fast, simple pushbutton operation. Low battery detection. Complete with instruction manual, soft carrying case, and four AAA batteries. USB interface allows power through the USB (cable not included), can also be powered by external 5VDC adapter (not included).
2nd edition, by Karl Riley.
Magnetic Personal Dosimetry Meter
Very High Accuracy and Sensitivity
What this meter lacks in resolution it makes up with ease of use and very low cost. Will measure ELF/VLF magnetic fields in the frequency range of 20 - 10,000 Hz, with a minimum sensitivity of .25 mG. Laboratory tested and documented for accuracy.
Common ELF magnetic field frequencies are within the range of human hearing. This simple set up converts the AC magnetic signal directly into a dramatic corresponding sound signal. A 60 Hz powerline field sounds like a 60 Hz hum (a low note on piano keyboard). Harmonics can easily be heard, as well as clicks, static, and hash. LED displays are especially noisy. The strength of the field is proportional to loudness.
Analyzing frequency information from ultra-low frequency magnetic fields can be extremely challenging. Air coil type magnetic field probes just don't have the necessary sensitivity below about 20 Hz.
Zero Gauss Chamber (Cat. #A3105) ......... $350.00 
