Extech Instruments EMF510 Manuale utente
USER MANUAL
EMF Meter
Model EMF510
Additional User Manual Translations available at www.extech.com
EMF510-en-GB_V1.0 8/17
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Introduction
Thank you for selecting the Extech EMF510 EMF Meter. This instrument measures
electromagnetic field radiation levels near power lines, appliances and industrial devices.
Electromagnetic radiation is a ubiquitous type of energy that takes many forms such as radio
waves, microwaves, X-rays, and gamma rays. The EMF510 measures radiation from voltage,
current, electrical, and magnetic fields.
This device is shipped fully tested and calibrated and, with proper use, will provide years of
reliable service. Please visit our website (www.extech.com) to check for the latest version and
translations of this User Manual, Product Updates, Product Registration, and Customer Support.
Features
•Backlit LCD
•Compact, light-weight, easy-to-use, ergonomic design
•Wristlet for easy, one-handed operation
Safety
Please read the entire User Manual and Quick Start before operating this device. Use the meter
only as specified and do not attempt to service or open the meter housing. Do not allow children
to handle the meter. Please dispose of batteries and meter responsibly and in accordance with
all applicable laws and regulations.
WARNINGS
•Use caution when working in the vicinity of powerful radiation sources.
•Persons with electronic implants (e.g. cardiac pacemakers) should avoid powerful radiation
sources.
•Observe all relevant safety regulations.
•Carefully read the operating instructions for equipment generating or conducting
electromagnetic energy that will be measured.
•Do not operate near combustible gases or in damp environments.
•Be aware that the field strength in the near vicinity of radiators increases proportionally to the
inverse cube of the distance. This means that enormous field strengths can result in the
immediate vicinity of small radiation sources (e.g. leaks in waveguides or inductive ovens).
•Field-strength measurement devices can underrate pulsed signals, particularly with radar
signals, in which case significant measurement errors can result.
•All field-strength measuring devices have a limited specified frequency range. Fields with
spectral components outside of this frequency range are generally incorrectly evaluated and
tend to be underrated. Before using field-strength measuring devices be certain that all field
components to be measured lie in the specified frequency range of the measuring device.
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Meter Description
1. LCD Display
2. ON/OFF button
3. Up arrow/Backlight button
4. Range button
5. Unit button
6. Down arrow/SET button
7. MAX/MIN Record button
8. Display Hold button
9. EMF Sensor
LCD Description
1. MAX/MIN Record Icon
2. MAX Display
3. MIN Display
4. Display Hold
5. Low Battery Indicator
6. Auto Power OFF
7. Unit of Measure and EMF Reading
8. Selected EMF Range
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Operation
Taking a Measurement
The EMF510 is a single axis meter. To get an indication of all three axes you must take one reading
for each plane.
1. Short press the power button. If the LCD does not switch on, check the batteries located
in the rear battery compartment.
2. Press the UNIT button to select the desired unit of measure.
3. Press the R(range) button to select the desired range.
4. Position the sensor (top of the meter) at different angles toward the source and observe
the EMF signals.
5. Record the highest reading obtained from the various positions tested.
6. To power OFF the meter, short press the button.
Power
Short press the power button to power the meter ON or OFF.
Backlight
The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas. Press the
backlight button to turn the backlight on. The backlight will automatically turn off after
several seconds.
Range Button
Short press the R (range) button located on the bottom left of the meter (next to the unit
button) to toggle between the two available ranges. The lower display will show the selected
range.
Unit Button
Short press the UNIT button to toggle between micro Tesla and milli Gauss.
Hold Button
Short press the hold (H) button to freeze/unfreeze a reading on the display. Hold is not
operational while in record mode.
Auto Power OFF (APO)
In order to conserve battery life, the meter will automatically shut off after approximately 10
minutes of inactivity.
To set APO ON or OFF as the default condition:
1. Long press the SET button. The lower display will show ‘PoFF’.
2. Short press the ▲or ▼button to enable APO (YES) or disable APO (NO) as shown in the
upper display.
3. Short press the R(record) button to save the selection.
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4. The meter will return to normal operating mode after approximately 10 seconds.
Note: APO is not operational in record mode.
MAX/MIN Record Function
In this mode, the meter records the maximum and minimum values over time.
1. Press the R(record) button to start recording. The record icon will appear on the
display.
2. Press the R(record) button again to display the maximum value recorded. The icon will
appear on the display.
3. Press the R(record) button again to display the minimum value recorded. The icon will
appear on the display.
4. Press the H(hold) button to clear the recorded data. The previous data will be erased and
the meter will start recording new data.
5. Long press the R (record) button to exit the record mode.
Maintenance
Battery Replacement
1. Power OFF the meter.
2. Remove the flat head screw that secures the battery compartment at the back of the
meter.
3. Open the battery compartment and replace the 3 ‘AAA’ 1.5V batteries observing correct
polarity. Re-assemble the meter before use
Safety: Please dispose of batteries responsibly; never dispose of batteries in a fire, batteries may
explode or leak. If the meter is not to be used for 60 days or more, remove the battery and store
separately.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate
collection sites, the retail store where the batteries were purchased, or wherever
batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated
to take end-of-life devices to a designated collection point for the disposal of electrical
and electronic equipment.
Cleaning and Storage
Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or
solvents.
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Specifications
General
Display Backlit LCD 35 x 30mm (1.38 x 1.18”)
Band width 30 to 300 Hz
Axis Single Axis
Measurements Electromagnetic field tester (EMF)
Tripod mount On back of meter
Operating Humidity 80% RH Max
Operating Temperature 0 to 50°C (32 to 122°F)
Over Limit Display “- - - -“
Power Supply 3 x 1.5V AAA batteries
Power Consumption Approximately 5mA DC
Weight 100g (3.5oz)
Dimensions (HxWxD) 107x 58x 25mm (4.2 x 2.3 x 1.0 inch)
EMF
Units Range Resolution Accuracy
uT 0.00 to 20.00 0.01
±(5%rdg + 3dgt)
@50 or 60Hz
20.0 to 200.0 0.1
mG 0.0 to 200.0 0.1
200 to 2000 1
Copyright ©2017 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
ISO-9001 Certified
www.extech.com
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