Transcript Aritech / SLC Technologies PIR / Dual Technology Detector

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Aritech / SLC Technologies
PIR / Dual Technology
Detector Presentation
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ARITECH
PIR / Dual Technology Detectors
The Power of Precision
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• Field of View
• Optics
Overview
• Processing
• Problems resolved
• Product Range.
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Field of View
Conventional
Aritech
Optics
Processing
Conventional
Aritech
Problems resolved
Product Range
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Field of View
Conventional
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Curtains Versus Standard Optics
Parameters Standard F.O.V.
@ 4m
@ 10m
Aritech Curtains
@ 4m
@ 10m
Horizontal 16 cm
40 cm
33 cm
30 cm
geometry
Vertical
32 cm
80 cm
240 cm 240 cm
geometry
Target
512 cm2 2400 cm2 5250 cm2 5250 cm2
interaction
Note 1: Curtains reach as high as the mounting height - 2.4 m is
assumed.
Note 2: Target size assumed is 30 cm * 175 cm.
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Notes
*1
*2
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Conventional PIR Field of View
Conventional Field of View consists of layers of “Fingers” of Detection
CLOSE IN
Over Sensitive - rodents are a
significant size compared to beam.
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FAR AWAY
Under Sensitive
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Conventional Field of View
Every finger in every layer
is susceptible to false
alarms from . .
. . temperature disturbances
from drafts or sun, as they
tend to occupy a very LARGE
percentage of a conventional
PIR’s field of view.
Drafts, Sun.
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Conventional PIR Field of View
No range reduction possible otherwise the close in beams lift off the floor.
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Conventional PIR Field of View
Blind Spots
Random object totally eliminates a layer !
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Conventional PIR Field of View
Blind Spots
SALE
TODAY
Random sign totally eliminates a layer !
PIR detectors with layers of fingers are
easily blocked in cluttered environments.
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Field of View
Aritech
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CURTAIN MIRROR BENEFITS
• FEATURE
• Gliding focus curtains
• Autofocus range control
• Mirror optics
• 1 / 5 / 7 / 9 solid curtains
• Undercrawl detection
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• BENEFIT
• Increased stability &
coverage independant of
mounting height.
• Can reduce range without
loss of sensitivity.
• Sharper detection
• Larger floor area covered
• Detection directly underneath
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Curtain Detail At Mirror
“Gliding Focus Curtains - created by the smooth transition of the different focal
lengths, between the pyro and the mirror, required for maximum mirror efficiency,
i.e.. one focal length for close in detection and another for full range.”
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Detail of how parallel curtains are achieved
In order to achieve a solid curtain, with a constant beam width at
all distances, involves over 500 focal equations, this is then
polished on the mirror to give effectively infinite focal points :-
The Aritech “Gliding Focus Curtain “
Exaggerated for demonstration purposes.
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Aritech Gliding Focus Optics
Solid wall-to-wall / floor-to-ceiling curtain - no layers.
Rodents give a very small part of a signal required to alarm.
CLOSE IN
FAR AWAY
Even sensitivity over entire range !
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Curtain Area
Temperature
disturbances from
drafts or sun occupy
a very SMALL
percentage of
curtain’s total area.
Drafts, Sun.
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Curtain Area
Result:
Greater Reference Area
EQUALS
Greater Stability in All Conditions !
Drafts, Sun.
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Aritech Gliding Focus
Field of View
Range reduction is possible as the curtain always sees all of the target,
making the detector even more stable in short range applications.
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Aritech Gliding Focus
Field of View
Random object only partially affects a curtain.
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Aritech Gliding Focus
Field of View
SALE
TODAY
Random objects only partially block
the field of view.
Result = Detection is ensured in cluttered environments !
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Advanced
Curtain
Technology
The Edge which keeps ARITECH ahead.
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Gliding Focus Curtains
• The smooth transmission
of different focal lengths.
• Involving over 500 focal
equations.
• Ensures that the intruder
is 100% seen by the
detector at all ranges.
• Constant beam width
over the entire range.
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Gliding Focus Curtains
In general, Gliding Focus Curtains cover more surface
area over a given range than Fresnel Lens Detectors.
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Optics
Optics
Optics
Optics
Optics
Optics
Optics
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Standard Optics vs ARITECH’s Unique Optics
Less
signal
More
noise
More
signal
Less
noise
STANDARD BEAM
PATTERN
ARITECH HUMAN SHAPED
CURTAIN PATTERN
Excellent Signal-to-Noise Ratio !
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Pyroelectric Element - Geometry
Industry Standard
set for Height
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Pyroelectric Element - Geometry
Height
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Industry Standard
set for Width
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Pyroelectric Element - Geometry
Height
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Width
ARITECH
Standard
setting !
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Pyroelectric Element - Geometry
RESULT !
Aritech geometry
perfectly matches intruder !
ARITECH
Standard
setting !
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Processing
Conventional
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Single Element
Signal Processing (Unbalanced)
ALARM
ALARM
THRESHOLD
QUIET
This type of processing is very
susceptible to background
disturbances.
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Dual Element
Signal Processing (Balanced)
Dual
Element
Pyro
-
-
+
+
0
-
Uniform Background Change
NO ALARM
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+
+
0
Typical Human Motion
ALARM
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Dual Element (Balanced)
with Pulse Count
POSITIVE
ALARM
THRESHOLD
3
1
-
+
-
+
+
2
NEGATIVE
ALARM
THRESHOLD
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4
Leading Edge Processing
+ Alarm
Threshold
- Alarm
Threshold
X
Alarm in one
pulse mode
X
X
Alarm in “Dual Edge”
sensors or two pulse
mode
Alarm in
three
pulse mode
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Processing
Aritech
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Advanced 4D
Signal
Processing
The sensor analyses:
1
SHAPE
2
DURATION
3
SPEED
4
SIZE
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Source: Human Signal
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Signal Size & Shape
Size & Adaptive
Alarm Threshold
• Filters out alarm
sources such as pyro
spikes, small animals
and environmental
‘shocks’
• Constantly ‘adapts’ to
suit the environment
• Signal must ‘mirror’ its
size on either side.
Correct ratio a : b
Source: Shock, Vibration, Pyro Spike
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Signal Speed
& Duration
• Evaluates the signal
speed and duration
• Avoids false detection
from heaters, etc.
Source: Heater
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Signal Shape
• The shape of the
signal is the final
piece of the
equation to be
examined before an
alarm is accepted
• Size, speed &
shape all incorrect.
Source: Warm or Cold Air
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Problems resolved
Problem
s
Problems
Problems
Problems
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The Claustrophobic Rule
A fresnel lens detector should not be
installed in a room less than 50% of its
maximum stated range
Otherwise . . .
It may become oversensitive to small thermal
changes of static objects close in !
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The Claustrophobic Rule …... cont’d
Whereas . . .
A mirror optics detector can
safely operate to 30% of its
maximum stated range.
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The Claustrophobic Effect
ARITECH
15%
Mirror
Optics
Fresnel
Lens
30%
Design
Range
50%
100%
BENEFIT !
Aritech Detectors can safely operate in very
small rooms without false alarms
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Image Rotation
360o Ceiling Mount Detectors
• This phenomenon occurs in ALL
single pyro dual element ceiling
mount detectors.
• This includes Fresnel lens and
mirror optics type detectors.
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Image Rotation
360o Ceiling Mount Detectors
-
+
Standard View without Rotation.
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Image Rotation
360o Ceiling Mount Detectors
-
+
Off Centre View
Poor interaction due to image rotation.
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Image Rotation
360o Ceiling Mount Detectors
+
Side View
RESULT =
No alarm due to Signal cancellation.
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Image Rotation
360o Ceiling Mount Detectors
This results in an elliptical detection pattern giving
compromised sensitivity on the sides of the detector
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Image Rotation
360o Ceiling Mount Detectors
Solution Aritech’s unique EV669 with ‘back-to-back’ 180o
Gliding Focus Curtain pattern ensures even
sensitivity around the entire 360o detection pattern.
PRESENTATION BY ARITECH / SLC TECHNOLOGIES
Major Features of the Aritech Family
Adaptive Passive Infrared
Technology gives consistent
operation in harsh environments
Auto Focus Mirror Optics improve
detection and reduce false
alarms.
Features . . . cont’d
Patented 4D Signal Processing analyses
Size, Speed, Shape, and Duration
True 3D Curtain Coverage gives virtually
impenetrable barriers
5 Year Warranty.
ARITECH
PIR Sensors
Some of the Major Products
P
r
o
d
u
c
t
Index
EV75 / PI75
EV100 Plus
EV400 Plus
EV400 AM
EV450 Plus
EV600
EV669
DD300 Plus
DD400 Series
SUMMARY
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EV75
• Features:• Specifically designed for
domestic applications
• Small and easy to install
• No adjustments needed.
• 5 Year warranty
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Model EV75 . . . . Specifications
• 5 Gliding Focus Solid Curtains
• 4D ASIC signal processing
• 10m wide angle range
• Relay normally closed
• Totally sealed optics.
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PI75
• Features:• Range / specifications are
as per the EV75
• Additional feature:• Pet immune up to 20Kg
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Model
EV75 / PI75
•
Coverage
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EV100 Plus
• Ideal for
residential/commercial
applications
• Very stable in harsh
environments.
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Model EV100 Plus . . . . Specifications
• 7 Gliding Focus Solid Curtains
• 12m wide angle range
• Next generation “4D” processing
• Totally sealed optics
• Remote LED enable/disable
• Alarm memory versions available.
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Model
EV100
Plus
•
Coverage
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EV400 Plus
• Excellent for commercial
installations.
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EV400 Plus. . . . Specifications
• 9 Gliding Focus Solid Curtains
• 16m wide angle
• Next generation “4D” signal processing
• Totally sealed optics
• Remote LED enable/disable
• Alarm memory versions available.
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Model
EV400
Plus
•
Coverage
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EV450 Plus
• Long range applications
• Inside shopfront, museums,
storage aisles.
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Model EV450 Plus . . . . Specifications
• Single 25m Gliding Focus Solid Curtain
• Custom “ASIC” processing
• Alarm memory standard
• Up to 5m mounting height
• Totally sealed optics
• Remote LED enable/disable.
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Model
EV450 Plus
•
Coverage
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EV400AM
• High security installations
• Government, retail,
jewellery stores, banks, art
galleries
• All situations where
detector is open to
tampering or covering.
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EV400AM. . . . Specifications
• 9 Gliding Focus Solid Curtains
16m wide angle
or
• Single Gliding Focus Curtain
25m range
• “ASIC” signal processing
• Separate anti-masking alarm output
• Trouble output
• Totally sealed optics.
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Model
EV400AM
•
Coverage
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Model
EV450 AM
•
Coverage
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EV600
• Heavy industrial &
commercial applications
• Flexible long range/wide
angle combination PIR
• Extreme stability in
harshest conditions.
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EV600 . . . . Specifications
• 12/24m wide and 12/24/60m long range
lenses in one unit
• Sophisticated “4D” signal processing
• Gliding Focus and Step Focus lenses
• “Double Check” and “Eye to Eye” features
• Totally sealed optics.
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Model EV600 • Coverage
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EV669
• Ideal for commercial and
heavy industrial
environments
• Also, large offices, especially
areas cluttered with static
objects.
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EV669 . . . . Specifications
• 18 Gliding Focus Solid Curtains
• 10m radius
• Up to 5m mounting height
• Full ceiling-to-floor 180º or 360º protection
• Sophisticated “4D” signal processing
• Remote LED enable/disable
• Totally sealed optics.
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Model
EV669
•
Coverage
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DD300 Plus Series
• High Performance PIR
verified by novel
“Distance of Motion”
technique
• 7 Autofocus curtains
• 3D signal processing
• True range control.
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DD300 Plus Series . . . cont’d
• On-site selection of coverage pattern
• Walk test of each detection method
plus verified alarms
• Remote enable/disable of walk test LED
• Alarm memory versions available.
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DD300 Series - Coverage
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DD400 Series
• Applications:• In security terms - everywhere a
PIR may be required.
• In stability terms - specifically
designed to eliminate potential
false alarms in harsh environments
e.g. ceiling voids / conservatories /
garages etc.
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DD400 Series
• Features:• High performance PIR verified by
high quality microwave module
• Unique Twin Opposed Antennae
• Custom dual technology ASIC
• PIR uses latest generation 4D
signal processing.
• Individual channel selection for
walk test .
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DD400 Series . . . cont’d
• Simultaneous PIR and Microwave range control.
• Microwave uses advanced proprietary
“DoM” signal processing
• Extremely low microwave power with optional
day disable
• Extremely low current draw - 15mA
• Alarm memory versions available
• Excellent RFI and white light rejection.
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DD400 Schematic
Osc.
Elect.
RF Module
Main Processing Board
RX
Doppler
Amplifier / Comparator /
Integrator & Comparator
TX
RF
mixer
Amp./
Filter
J4:- Range
Control
TX off
Pyro +
Mirror
Amp. /
Filter
Alarm Timers
& AND Logic
LED Drivers
J1:-Walk
Test Display
Memory
J2:Polarity
Relay
J3:- LED
On / Off
TX off
Dual-technology ASIC
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ARITECH MICROWAVE TECHNOLOGY
Technical Advantages
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ARITECH MICROWAVE BENEFITS
 FEATURE
 BENEFIT
 Twin Opposed Antennae
 Better signal to noise ratio. This
gives better detection while at the
same time remaining less prone to
false alarms.
Optimises the detection pattern.
 Digital “Distance Of Motion
(DOM) processing -as per the
DD300
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 The dual technology ASIC
measures distance traveled,
independent of walk speeds or
range from the detector giving
greater stability and repeatability
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ARITECH MICROWAVE BENEFITS
 FEATURE
 BENEFIT
 Ultra-low RF power
 Less than 1 Million times than the
0.005microWatts/cm2
(measured at 1.0m).
Radio Frequency Protection Guide
Limit mentioned in C95.1-1982.
<10-5 x hand held telephone.
Improved MTBF.
 Integrated TX OFF during the  Provides peace of mind. Absolutely
day (memory options).
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no power is transmitted during the
unset period.
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DD450 - 12m coverage - 7 curtains
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DD470 - 16m coverage - 9 curtains
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DD490 - 20m coverage - 7 curtains
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Aritech / SLC Technologies
PIR / Dual Technology Detectors
Thankyou for your attention.
Any questions?
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