Narda 12 Nardalert S3
2 Safety instructions
! In particular, observe the technical data given in the Specications on
pages 38-39. Proper use also includes:
! Observing any national accident prevention regulations at
the place of use.
! Ensuring that the instrument is used only by appropriately
qualied and trained persons.
2.3 Improper use
The NS3 is designed to monitor and evaluate electromagnetic elds.
! Ensure unit is powered on and working properly.
! Remember that eld levels will rapidly increase as you approach the
source of the emission.
! If you remove the unit from your body it is important that the back of
the unit faces your hand (body) especially at microwave frequencies.
When you remove unit from body, carefully observe the actual eld
level displayed when you are approaching an unknown eld source.
2.4 Dangers from electromagnetic elds
Strong elds
Very high eld strengths can occur in the vicinity of some radiation
sources.
This monitor is designed to be directional at microwave frequencies
– it cannot warn you about a microwave exposure behind you if the
monitor is worn on the front of the body.
Do not cross or ignore safety barriers or markings.
Persons with implanted electronic medical devices
(e.g. heart pacemakers) must avoid restricted areas.
Measurement errors
Metallic labels (stickers) axed to the black sensor area of the sensor can
lead to measurement errors, usually an underestimation of the electro-
magnetic eld strength.
Ax labels of any type only to the yellow housing. Metallic labels must
be axed to the rear of the monitor.
If the instrument malfunctions, take it out of service and contact your
Narda Service Center. The addresses are listed at the end of this Oper-
ating Manual and on the Internet at www.narda-sts.com.
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