Smarts II™ Area Monitors - Narda Safety Test Solutions

RF Safety
Test Solutions
50 Years of
Excellence
Personal and Area Monitors
Ultra-Wideband
Smarts II™ Area Monitors
◆ 2 MHz to 100 GHz in a Single Monitor
◆ Shaped Frequency Response
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◆
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Matched to Your Standard
Continuous, Automatic Monitoring
– No Operator Required
Audible, Visible, and
Remote Alarms
Recorder Output
Battery or Low Voltage
DC Operation
Adjustable Alarm Threshold
Weatherproof Housing Option
Description
Operation
Narda's latest design in the popular SMARTS™ family of
RF area monitors introduces several new features. Like
earlier SMARTS models, the SMARTS II™ area monitors
provide continuous detection of RF radiation within a specific area. The SMARTS II™ uses the latest, ultrawideband sensor technology of the Nardalert™ RF personal monitors. The result is an area monitor that covers
most of the usable RF spectrum in a single monitor with
“shaped” frequency-dependent sensitivity that matches
the standard used to determine compliance. The dual
sensor design accurately detects all types of electric fields
from 2 MHz to 100 GHz. The microwave portion of the sensor employs thermocouple detectors so that radar signals
are accurately converted to true RMS values while the patented diode design used for the lower frequencies provides RMS detection even in very complex, multi-signal
environments. SMARTS II monitors respond equally to all
polarizations and cover an entire hemisphere. They can
even be mounted on a metallic wall. There is a SMARTS II
model shaped to match each of the major standards.
SMARTS II monitors operate like common household
smoke detectors. When operating normally, the alarm
LED flashes approximately every 40 seconds. If operating
under battery power and the battery needs replacement, a
“chirp” accompanies the LED flash. A continuous audible
and visual alarm occurs when the SMARTS II detects RF
radiation at its preset level or higher. Both an electronic
signal and a relay closure are provided during alarm conditions. Either of these indications can be used to activate
various user-supplied remote circuitry and systems. The
SMARTS II goes into a continuous alarm mode if the battery drops below a critical level or if the detector fails.
The SMARTS II operates from a common nine-volt battery
or a 12-volt or 24-volt DC supply. Every monitor has an audio alarm. An alarm condition causes both a voltage transition to occur and a SPDT relay to operate. Either the TTL
signal or the relay contacts can be used to provide remote
alarms, a record of alarm conditions, and/or automatic
shutoff of equipment.
Operation can be verified at any time by depressing the
TEST button that activates a full-system test. The ENABLE
input can be used in situations where the standard operating procedure produces RF field levels in excess of the
threshold and exposure to people is possible (e.g., in an
anechoic chamber or on the deck of a ship). The ENABLE
input can be tied to a motion sensor or an interlock switch.
Under these conditions, the SMARTS II activates its
alarms only when two conditions are satisfied: (1) high
levels of RF are present and (2) motion is detected or a
door is open.
The alarm threshold is field adjustable from 10% of standard to 50% of standard. The user can easily switch from
battery operation to an external, low voltage DC supply.
The SMARTS II area monitors can be used outdoors by installing the monitor in a NEMA weatherproof enclosure.
narda
USA TEL: (1) 631 231-1700 • FAX: (1) 631 231-1711 • E-MAIL: NardaSTS@L-3COM.com • www.narda-sts.com
GERMANY TEL: 49-7121-9732-777 • FAX: 49-7121-9732-790 • E-MAIL: support@narda-sts.de • www.narda-sts.de
Safety Test Solutions
an
communications company
RF Safety
Test Solutions
50 Years of
Personal and Area Monitors
Excellence
Outdoor Installations
An all-plastic weatherproof housing is available that permits operation of the SMARTS II in virtually any environment. This housing is rated NEMA class 4X, which is the
equivalent of IEC Publication 529, Type IP66 or CSA Standard C22.2, No. 94. Connections to the housing are made
through a MIL-type, multi-pin, circular connector (the mating connector is supplied). Installation of the SMARTS II
into the weatherproof housing could not be simpler: remove the housing cover, plug the internal cable into the
SMARTS II, then attach the monitor with two screws. Put
the cover of the housing back on and attach the external
cabling. Since standard visual and audio signals are
masked by the weatherproof housing, status and alarm information plus low voltage DC are sent via a user-supplied
external, shielded cable.
Insertion Loss of SMARTS II* Weatherproof Housing
The insertion loss of the weatherproof housing starts to
become significant at about 8 GHz, thus reducing the
monitor’s sensitivity. Losses are greater in the rain, especially if the weatherproof housing is mounted horizontally which allows water to collect on it. Depending on the
frequency, the insertion loss from the housing can be up
to 2 dB under dry conditions and up to 10 dB in the rain.
The adjustable threshold feature of the SMARTS II can be
used to compensate for the insertion loss of the weatherproof housing.
*Approximate insertion loss of weatherproof housing under
dry conditions with the SMARTS II facing the source of energy
(normal to the Poynting vector).
Model Selection Guide
STANDARD OR GUIDANCE
TIER
ACGIH
AS/NZ 2772.1 (1998, draft)
—
B8830
Occupational
D8830
Canada Safety Code 6 99-EHD-237
C8830
DIN VDE 0848, Part 2, October 1991 Area 1
ENV 50166-2
FCC 1997
ICNIRP 1998
SMARTS II™ MODEL
Occupational
D8830
Occupational
D8830
Occupational / Controlled
A8830
Occupational
D8830
IEEE C95.1-1999/ANSI C95.1-1992
Controlled
B8830
Japan RCR-38
Controlled
A8830
NATO STANAG 2345
—
B8830
ÖNORM S 1120, 1992
Occupational
A8830
narda
Safety Test Solutions
an
communications company
USA TEL: (1) 631 231-1700 • FAX: (1) 631 231-1711 • E-MAIL: NardaSTS@L-3COM.com • www.narda-sts.com
GERMANY TEL: 49-7121-9732-777 • FAX: 49-7121-9732-790 • E-MAIL: support@narda-sts.de • www.narda-sts.de
RF Safety
Test Solutions
50 Years of
Personal and Area Monitors
Excellence
Monitor Specifications
Parameter
Specification
Model Number
A8830 through D8830a
Frequency Range
2 MHz to 100 GHz
Frequency Sensitivity
±2 dB (2 MHz to 50 GHz)
+2, -5 dB (2 MHz to 100 GHz)
Calibration Frequencies
100 MHz, 4 GHz
Alarm Threshold
10%, 25%, 35%, or 50% of Standardb
Maximum CW Power Density
3000% of Standard
Maximum Peak Power Density
32 dB above Standard
Batteryc
9 volt alkaline
External Power Requirementsc,d
12 Vdc ±10%, 50 ma max / 24 Vdc ±10%, 50 ma max
STATUS signal levels
-4 Vdc standby, +4 Vdc alarm (nominal)
Status Relay
SPDT
Recorder Output Level
-1 Vdc full scale (approximate)
Temperature: Operating
-10°C to +55°C
Non-operating
Size
Notes:
a
Use Selection Guide to determine
the SMARTS II shaped to your standard
or guidance.
b
Determined by DIP switch setting
inside battery compartment. There is
an additional ±1 dB uncertainty in the
alarm threshold when the SMARTS II is
set to 10% of Standard.
c
A switch inside the battery compartment
determines whether the battery or an
external supply powers the monitor.
d
Voltage choice (12 Vdc or 24 Vdc)
determined by wiring of cable that
connects to 9-pin connector. The
external power supply must be floating
(not grounded).
e
P/N 42993200 Mounting Adapter Kit
allows the SMARTS II to use the same
mounting holes as the original SMARTS
monitors (Series 8810, 8815, 8820, and
8825).
-20°C to +55°C
9.4" L x 8.1" W x 5.0" H
23.9 cm x 20.6 cm x 12.7 cm
Weight (approximate)
26 oz / 0.74 kg
Color
White
Accessories Supplied
Mating 9-pin connector, Battery, Operation Manual
Weatherproof Housing Specifications
Parameter
Specification
Part Number
11081900
Construction
All plastic
Rating
NEMA class 4Xa
Size
11.8" L x 11.8" W x 7.2" H
30.0 cm x 30.0 cm x 18.3 cm
Weight (approximate)
45 oz / 1.3 kg
Color
Light Gray
Accessories Supplied
Mating Weatherproof Connector
Note:
a
Equivalent to IEC Publication 529, Type
IP 66 or CSA Standard C22.2, No. 94.
narda
USA TEL: (1) 631 231-1700 • FAX: (1) 631 231-1711 • E-MAIL: NardaSTS@L-3COM.com • www.narda-sts.com
GERMANY TEL: 49-7121-9732-777 • FAX: 49-7121-9732-790 • E-MAIL: support@narda-sts.de • www.narda-sts.de
Safety Test Solutions
an
communications company
RF Safety
Test Solutions
Personal and Area Monitors
50 Years of
Excellence
Outline Drawings
SMARTS II
WEATHERPROOF HOUSING
PIN
B
A
K
G
H
J
P
C
E
DESCRIPTION
+24V – FLOATING
+12V – FLOATING
-V – FLOATING
N.C. – RELAY CONTACTS
COM – RELAY CONTACTS
N.O. – RELAY CONTACTS
GND
ENABLE / RECORDER
STATUS
narda
Safety Test Solutions
an
communications company
USA TEL: (1) 631 231-1700 • FAX: (1) 631 231-1711 • E-MAIL: NardaSTS@L-3COM.com • www.narda-sts.com
GERMANY TEL: 49-7121-9732-777 • FAX: 49-7121-9732-790 • E-MAIL: support@narda-sts.de • www.narda-sts.de
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