ExpoM RF

Transkript

ExpoM RF

Swiss Made Innovation
ExpoM RF
Radio Frequency Exposure Meter
Applications
 Tracking personal exposure to RF
electromagnetic fields
 Measuring and monitoring field strengths near
broadcasting and mobile phone transmitters
 Measuring field strengths to comply with safety
regulations
 Long-term Monitoring at home and at work
 Quick overview of the RF exposure as a graph and
numeric value
 Drive- or Walktest of the fields in & outdoor
Key Features
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Broad frequency range: 87.5 MHz to 5.875 GHz
16 predefined frequency bands
Includes LTE bands (800 MHz and 2.6 GHz)
Excellent dynamic range 0.005 to 5 V/m – Low detection limit
True-RMS measurement – most accurate exposure meter on the market
Real-time monitoring of the measurements on a smartphone (Bluetooth)
Automatic position tracking using built-in GPS receiver
Data export to Google Earth
Marker button to highlight specific events (i.e. position changes etc.)
4 GB data logger allowing for extra-long recording periods
Easy to use and small size (16 x 8 cm)
Excellent Battery management allows to record for days and weeks
Lifetime free software upgrade
Fields at Work GmbH, Sonneggstrasse 60, 8006 Zürich Switzerland
Phone +41 44 382 38 31 - [email protected] - www.fieldsatwork.ch
Copyright Fields at Work 2015
Factsheet Version 2.0
Description
ExpoM RF is a personal radio frequency exposure meter. Band selective measurements allow for a
detailed differentiation of the different electromagnetic field sources. The 16 bands covered by
this device include all major wireless communication and broadcasting services, including LTE.
ExpoM stands out due to its true-RMS detection method. This approach ensures modulation
insensitive measurements, allowing for meaningful cross-standard field value comparisons.
Additional features include GPS based outdoor localization and Bluetooth connectivity. The
integrated Bluetooth module allows to stream the measurement data to any Android based device
for real-time display and processing. This approach offers a high degree of flexibility effectively
combining accurate RF measurements with the versatility of a modern smartphone or tablet.
The first device of the ExpoM platform available is the ExpoM - RF radiofrequency exposure meter
consisting of the metering unit, a software utility for displaying and exporting the data together with
customized smartphone apps. Further ExpoM exposure meters will follow allowing to monitor and
measure various frequencies of electromagnetic fields. Recorded Data may be easily transferred to the
internet for public view or institutional usage.
ExpoM RF Utility Software
The Windows utility software provides all the tools required to configure ExpoM RF and report.
The measurement data is imported via USB and can be exported to Google Earth or as Excel file.
The band names and colors can be customized by the user. The ExpoM RF Utility software is free
and can be installed on multiple PCs. No license is required – Plus we provide lifetime FREE
Software Upgrade!
Data management and analysis on the ExpoM RF Utility
Application settings: Customize the
frequency band names and colors
and Export Settings
Detailed measurement data display
Device connection – Battery
management - Device settings
Google Earth
The ExpoM RF Utility software allows to export your measurements as KML file in order to be
viewed in Google Earth as 3D bar plot, revealing the spots with the strongest RF exposure.
Select the desired frequency band(s) and visualize your ExpoM RF measurements in Google Earth
Export Quality
The export quality into Google Earth can be defined – The export Quality can be set from 0 (keep
all values) to 100 (best only)
Best Only – when the train drives into the tunnel – GPS was becoming inaccurate – displaying the
best values only will not show any inaccuracy – but may skip some measurement positions
Good only – this ie a mixture between displaying the values but keeping its good position
Keep all – all measurement positions will be displayed – but this may lead into slight inaccurate
position of the position
Export into Excel or CSV Format
The measurements can also be exported to a spreadsheet. The available export formats are Excel
(*.xlsx) and tab-delimited CSV.
Excel file export: the background of the data columns is automatically is set to the color defined by the user in the
ExpoM RF Utility, allowing to identify each band at first glance.
Customize Band Names
The user can rename all bands to its own desire and also change their color. The default button
will reset band names and colors back to the default settings.
The user can choose any color he likes:
Zooming and scrolling the measurement data plot
ZOOMED DATA
For a detailed analysis of the measurements, the time scale of the data plot can be changed using
the mouse wheel or shift arrow UP/DOWN keys. Scrolling is performed by dragging the plot using
the left mouse button or the arrow keys of your keyboard
SCROLL DETAILS
The Y-Scale (field strength) is zoomed independently – possible settings are: Zoom in; Zoom out;
Autoscale Plot; Reset Zoom
Android Utility
The Bluetooth capability of ExpoM RF allows to transmit the measurements to an Android based
smartphone or tablet in real time. Connect to ExpoM RF and observe the active measurement simple and easy. You can use the app on as many Android devices as you like.
Choosing the device to
connect to
Smartphone App: Connect to your ExpoM RF and observe the measurements in real time. The values are
simultaneously displayed numerically and by bar graph. The Android App may be downloaded from
http://www.fieldsatwork.ch/index.php?page=downloads
Android Utility - Overload
Should the ExpoM measure more than 5V/m then the corresponding band will be highlighted in
RED (see the screen shot below)
Applications
Measuring the Electromagnetic Fields in Public Transportation
During train rides the public is exposed to different fields – The constantly increasing mobile data
traffic and bandwidth (i.e. video streaming services) alerts the public.
Informing the public on the basis of field measurements allows
people to understand their daily exposure to EM fields
ExpoM RF records the fields in the train or any other
public transportation allowing for a detailed analysis of the
exposure to electromagnetic fields throughout the journey
Real-time field strength measurement with ExpoM RF and the values displayed by the Android App.
Recorded values exported to Google Earth
Measuring the Field Strength at Home and the Workplace
Measure the fields in your workplace, living room, sleeping room or any other place. Change the
measurement position and simply press the MARKER button
to highlight specific events or “flag” a change in position etc.
Date/Time and GPS position will be recorded as well.
Measuring the field strength in a home. Mark any event simply by pressing the marker button.
Safety in Public Locations
Schools, Kindergartens and other sensitive locations may be monitored to see
the exposure of the class to WLAN, DECT and close-by access points.
Long-Term Measurements of the Fields near Transmitter Antennas
Operators of radio transmitters are interested in monitoring the field strength
in the surroundings – ExpoM RF makes it very easy to monitor the fields
and check for any problems caused by defective RF components
Specifications
Frequency bands and measurement range
Band name
Frequency range
Typical dynamic range
FM Radio
87.5 – 108 MHz
0.02 V/m
5 V/m
DVB-T
470 – 790 MHz
0.005 V/m
5 V/m
LTE800 downlink
791 – 821 MHz
0.005 V/m
5 V/m
LTE800 uplink
832 – 862 MHz
0.005 V/m
5 V/m
GSM900 uplink
880 – 915 MHz
0.005 V/m
5 V/m
GSM900 downlink
925 – 960 MHz
0.005 V/m
5 V/m
GSM1800 uplink
1710 – 1785 MHz
0.005 V/m
5 V/m
GSM1800 downlink
1805 – 1880 MHz
0.005 V/m
5 V/m
DECT
1880 – 1900 MHz
0.005 V/m
5 V/m
UMTS uplink
1920 – 1980 MHz
0.003 V/m
5 V/m
UMTS downlink
2110 – 2170 MHz
0.003 V/m
5 V/m
ISM 2.4 GHz
2400 – 2485 MHz
0.005 V/m
5 V/m
LTE2600 uplink
2500 – 2570 MHz
0.003 V/m
5 V/m
LTE2600 downlink
2620 – 2690 MHz
0.003 V/m
5 V/m
WiMax 3.5 GHz
3400 – 3600 MHz
0.003 V/m
3 V/m
ISM 5.8 GHz / U-NII 1-2e
5150 – 5875 MHz
0.05 V/m
5 V/m
RF Measurement
Detection method
True-RMS, 0.3 seconds integration time for each band
Sample interval
User-selectable; from 3 to 6000 seconds in steps of 0.5 second
Antenna
Tree axis isotropic antenna
Crosstalk
Typically between -40 and -60 dB
All ExpoM RF Radio Frequency Exposure Meters are calibrated in a modern Anechoic Chamber
Size / Conditions
Size and weight
16 cm x 8 cm x 3-5 cm (L x W x H)
Device Calibration
15 field levels, three axes (for each frequency band)
Conformity
Currently under evaluation for CE-marking certification
Temperature -5 to +50 Degrees Celsius
0 to 90% rel. humidity
Operating Conditions
Weight: approx. 320g
Connectivity / Storage
Time
Integrated precision (± 2 ppm) real time clock
Connectivity
USB, Bluetooth, GPS
Marker
Built-in marker button to highlight specific events
Storage
Internal 4 GB memory / 50 million measurement samples
Battery Management
Battery
Typical operating time with
3 sec sample interval
Typical operating time
Typical Operating time
Typical Operating time
1 minute sample interval
Charging
Built-in rechargeable Li-ion battery
>12h (GPS and Bluetooth ON)
>16h (GPS and Bluetooth OFF)
>55h (GPS and Bluetooth OFF)
>7 days (GPS and Bluetooth OFF)
USB interface; USB compliant charger ports are supported (preferably 1A or more)
ExpoM RF Utility Software
Processor
Dual core processor recommended
Operating Systems
Windows (XP, 7, 8)
Storage usage
5 MB
Installation
No installation required – ExpoM RF Utility may be started directly
Download
www.fieldsatwork.ch
ExpoM Android Software
Processor
no limitations
Operating System
Android 4.0 or newer
Storage usage
Less than 5 MB
Download
www.fieldsatwork.ch
Configuration
 ExpoM - RF Exposure Meter
 Hardcase
 Software – Free download for Android and Windows

ExpoM RF

Transkript

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