Atec Narda-8800 Series User Manual download pdf

Personal and Area Monitors

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SMARTS

AREA MONITORS

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2 MHz to 100 GHz Detection

•

Audible, Visible, Remote Alarms

•

Continuous, Automatic Monitoring

•

Failsafe

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Requires No Operator

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Indoor and Outdoor Models

DESCRIPTION

Narda’s SMARTS family of area monitors provides con-

tinuous detection of RF radiation within a specific area.

Models are available to cover any frequency between

2 MHz and 100 GHz. These monitors represent a major

advance in safety monitoring programs for non-ionizing

radiation. In the past, a safety program was limited to per-

forming periodic surveys of a particular system or area,

which meant an acute failure could go undetected until the

next survey was performed. And since all major interna-

tional safety standards set limits for average exposure

level over a few minutes, the use of survey instruments

alone meant a hazardous condition could exist for days,

weeks, or even months. With the SMARTS, potentially

hazardous areas can be continuously monitored to help

insure a hazard-free environment as well as compliance

with industry and government standards.

Four models cover wide frequency bands from 2 MHz to

100 GHz. Model 8810 covers the 2 to 30 MHz HF band,

Model 8815 operates from 10 to 500 MHz, and Model 8820

monitors frequencies between 500 MHz and 18 GHz. The

ultra broadband Model 8825B covers 500 MHz to 100

GHz.

Each model features a unique design for accurate detec-

tion in a specific environment. At low frequencies, such as

those around HF antennas and metallic shelters, the elec-

tric field component is typically greatly distorted. There-

fore, the Model 8810 (2 to 30 MHz) monitors the magnetic

field which is more consistent in these environments. The

standards from Australia, Germany, the U.K. and the U.S.

all vary permissible exposure levels by 20 dB over these

frequencies. The Model 8810’s frequency curve has a

shape very similar to these standards. Its alarm threshold

is set to approximately one tenth of the exposure limits to

provide coverage over an area of several square meters.

The Model 8815 (10 to 500 MHz) utilizes what has been

termed “transitional” monitoring. At frequencies below ap-

proximately 200 MHz, it responds to the magnetic field

component and it transitions to electric field detection at

frequencies above 200 MHz.

Model 8820 (500 MHz to 18 GHz) and Model 8825B

(500 MHz to 100 GHz) use broadband thermocouple

detectors to monitor the electric field. Both models

sound an alarm only when the average power level is ex-

ceeded and are ideal for use with microwave systems

where pulse modulation is normally employed.

SMARTS monitors are available in a totally nonmetallic,

weatherproof enclosure for outdoor mounting. This en-

closure will protect the SMARTS from dust, rain, or heavy seas.

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Summary of Contents

Page 1 - ///////////

Personal and Area Monitors///////////SMARTSTMAREA MONITORS•2 MHz to 100 GHz Detection•Audible, Visible, Remote Alarms•Continuous, Automatic Monitoring

Page 2

Personal and Area Monitors///////////OPERATIONIndoor SMARTSSMARTS monitors operate like common householdsmoke detectors. When operating normally, the

Page 3

Personal and Area Monitors///////////SPECIFICATIONS FOR INDOOR MODELS±° ° ° °° °° °° °ALARM OPERATION CONTROL INPUTΩΩPrevious NextT.O.C.

Page 4

Personal and Area Monitors///////////SPECIFICATIONS FOR OUTDOOR MODELS± ± ±° ° °° °° °° °° °°°ALARM OPERATIONΩJ101 WIRING DIAGRAMAKCHEBDFG, H, J, L, N

Page 5 - Personal and Area Monitors

Personal and Area Monitors///////////DETERMINING LOCATION AND AREA COVERAGETo calculate where an area monitor should be mounted,various considerations

Page 6 - Microwave Oven Instruments

Microwave Oven Instruments///////////TEST9.2"23.2 cm9.2"23.2 cm2.3"5.9 cm3.0"7.7 cm8.2"20.7 cm9.7"24.64 cm9.7"24.64

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Atec Narda-8800 Series User Manual

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