TES TES-593R User manual

ELECTROSMOG METER

TES-593R

INSTRUCTION

MANUAL

AVGMAX

TES ELECTRICAL ELECTRONIC CORP.

CONTENTS

Title Page

1. SAFETY INFORMATION.......................................................1

2. INTRODUCTION....................................................................2

2-1 Fundamentals......................................................................2

2-2 Application...........................................................................4

2-3 Features ..............................................................................5

3. SPECIFICATIONS .................................................................6

3-1 General specifications .........................................................6

3-2 Electrical specifications........................................................7

4. OPERATION..........................................................................8

4-1 Front panel controls description...........................................8

4-2 LCD display description..................................................... 11

4-3 Use E-field sensor .............................................................13

4-4 Explanatory notes..............................................................13

4-5 Setting the meter ...............................................................16

4-6 Making measurements ......................................................22

4-7 Manual data memory storing individual measured values.23

4-8 Setting current data and time.............................................25

4-9 LCD backlight function.......................................................26

5. BATTERY CHARGING ........................................................26

※

1. SAFETY INFORMATION

CAUTION

•When first use the meter or prolonged storage the meter,

please charge the meter at least 10 minutes then use the

meter.

•Before making a measurement, check if the low battery

symbol (

) is shown on the display as soon as the meter

is switched on or the battery remained capacity indicate

“ ” symbol only 20%, please charging the battery.

•Avoid shaking the meter, particularly in the measurement mode.

•The accuracy and function of the meter may be adversely

affected by the specified limits outside and improper handling.

DANGER !

•In some cases, work in the vicinityof powerful radiation sources

can be a risk of your life.

•Be aware that persons with electronic implants (e.g. cardiac

pacemakers) are subject to particular dangers in some cases.

•Observe the local safety regulations of the facility operation.

•Observe the operating instructions for equipment which is used

to generate, conduct or consumer electromagnetic energy.

•Be aware that secondary radiators (e.g. reflective objects such

as a metallic fence) can cause a local amplification of the field.

•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. leak in

waveguides, inductive ovens).

•Field strength measuring device can underrate pulsed signals.

Particularly with radar signals, significant measurement errors

can arise.

•

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, you

should thus be certain that all field components to be measured lie

in the specified frequency range of the measuring device.

2. INTRODUCTION

2-1 Fundamentals

Electromagnetic pollution:

This Meter used to indicate electromagnetic pollution

generated artificially. Wherever there is a voltage or a

current, the electric (E) and magnetic (H) fields arise. All

types of radio broadcasting and TV transmitters produce

electromagnetic fields, and they also arise in industry,

business and the home, where they affect us even if our

sense organs perceive nothing.

Electric field strength (E):

A field vector quantity that represents the force (F) on an

infinitesimal unit positive test charge (q) at a point divided by

that charge. Electric field strength is expressed in units of

volts per meter (V/m).

Use the units of electric field strength for measurements in the

following situations:

•In the near-field area of the source.

•Where the nature of the electromagnetic field is unknown.

Magnetic field strength (H):

Afield vector that isequal to the magnetic flux density divided

by the permeability of the medium. Magnetic field strength is

expressed in units of amperes per meter (A/m).

The meter uses of magnetic field strength for measurements

only in the far-field area of the source.

Power density (S):

Power per unit area normal to the direction of propagation,

usually expressed in units of watts per square meter (W/m

) or,

for convenience, units such as milliwatts per square

centimeter (mW/cm

The characteristic of electromagnetic fields:

Electromagnetic fields propagate as waves and travel at the

speed of light (c). The wavelength is proportional to the

frequency.

λ(wavelength) =

(

speed of light

)

f (frequency)

If the distance to the field source is less than three

wavelength, then we are usually in the near-field. If the

distance is more than three wave length, the far-field

conditions usually hold.

In the near-field, the ratio of electric field strength (E) and

magnetic field strength (H) is not constant, so we have to

measure each separately.

In the far-field, however, it is enough to just measure one field

quantity, then the other could be computed accordingly.

2-2 Application

Quite often routine operation, maintenance and service work

has to be done in areas where active electromagnetic fields are

present, e.g. in broadcasting stations, etc. Additionally, other

employees may be exposed to electromagnetic radiation. In

such cases, it is essential that personnel are not exposed to

dangerous levels of electromagnetic radiation, such as:

High frequency (RF) electromagnetic wave field strength

measurement.

Mobil phone base station antenna radiation power

density measurement.

Wireless communication applications (CW, TDMA, GSM,

DECT).

RF power measurement for transmitters.

Wireless LAN (Wi-Fi) detection, installation.

Spy camera, wireless bug finder.

Cellular/Cordless phone radiation safety level.

Microwave oven leakage detection.

Personal living environment EMF safety.

2-3 Features

The meter is a broadband device for monitoring high-frequency

radiation in the range from 10MHz to 8GHz. The

non-directional electric field and high sensitivity also allow

measurements of electric field strength in TEM cells and

absorber rooms.

The unit of measurement and the measurement types have

been selected to expressed in units of electrical and magnetic

field strength and power density.

At high frequencies, the power density is of particular

significance.

It provides a measure of the power absorbed by a person

exposed to the field. This power level must be kept as low as

possible at high frequencies.

The meter can be set to display the instantaneous value or the

maximum value measured. Instantaneous and maximum value

measurements are useful for orientation, e.g. when first entering

an exposed area.

10MHz to 8GHz Frequency range

For isotropic measurements of electromagnetic fields

Non-directional (isotropic) measurement with three-channel

measurement sensor.

High dynamic range due to three-channel digital results

processing.

Configurable alarm threshold and memory function

Use rechargeable lithium-ion battery pack

LCD backlight function

Easy & safety to use

3. SPECIFICATIONS

3-1 General specifications

•Measurement method: Digital, triaxial measurement.

•Directional characteristic: Isotropic, triaxial.

•Measurement range selection: One continuous range.

•

Display resolution

: 0.1mV/m, 0.1

A/m, 0.1

W/m

, 0.001

W/cm

•Setting time: Typically 1s (0 to 90% of measurement value).

•Display refresh rate: Typically 0.5 seconds

•Display type: Liquid-crystal (LCD), 4 digit.

•Audible alarm: Buzzer.

•Units: mV/m, V/m, µA/m, mA/m, µW/m

, mW/m

, W/m

µW/cm

, mW/cm

•Display value: Instantaneous measured value, maximum

value or maximum average value.

•Alarm function: Adjustable threshold with ON/OFF.

•Calibration factor CAL: Adjustable.

•Manual data memory and read storage: 99 data sets.

•Rechargeable lithium-ion battery: 3.6V, 1940mAh

•Battery charging time: Approx. 3 hours

•Battery operation time: Approx. 10 hours

•Auto power off: 5 minutes.

•Operating temperature range: 0℃to +50℃

•Operating humidity range: 25% to 75%RH

•Storage temperature range: -10℃to +60℃

•Storage humidity range: 0% to 80%RH

•Dimensions: Approx. 67(W)×60(T)×247(L)mm.

•Weight (including battery): Approx. 250g

•Accessories: Instruction manual, Rechargeable Lithium-ion

battery, Carrying case, AC adaptor (DC 5V 1.5A).

3-2 Electrical specifications

Unless otherwise stated, the following specifications hold

under the following conditions:

•The meter is located in the far-field of a source, the sensor

head is pointed towards the source.

•Ambient temperature: +23℃±3℃

•Relative air humidity: 25% to 75%

Sensor type: Electrical field (E)

Frequency range: 10MHz to 8GHz

Specified measurement range:

•CW signal (f > 10MHz): 20mV/m to 108.0V/m,

53µA/m to 286.4mA/m,

1µW/m

to 30.93W/m

0µW/cm

to 3.093mW/cm

Dynamic range: Typically 75dB

Absolute error at 1 V/m and 10 MHz: ±1.0dB

Frequency response:

•Sensor taking into account the typical CAL factor:

±1.0dB (10MHz to 1.9GHz)

±2.4dB (1.9GHz to 8GHz)

•Isotropy deviation: Typically ±1.0dB (f>10MHz)

•Overload limit: 10.61mW/cm

(200V/m)

•Thermal response (0 to 50℃): ±0.5dB

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