Banshee343 Ultrasonic Gas Leak Detector
PMS - Uncoated
PMS - Coated
PMS
BCR-0043-00-012
Product Data Sheet
Banshee343 Ultrasonic Gas Leak Detector
Wide Area Coverage For Toxic and Combustible Gases
“SMART” Gas Detector Series
The Banshee343 is an advanced leak detection system utilizing four
ultra-sensitive acoustic sensors which constantly monitor wide areas for
ultrasound generated from the release of pressurized gas. This advanced
gas sensing technology never requires calibration or replacement, for
the life of the instrument.
Ideally suited for monitoring well ventilated outdoor applications,
the Banshee343 has been engineered to withstand even the most
extreme conditions. Performance is not affected by inclement weather,
wind direction, leak direction or any potential gas dilution with an
instantaneous response to all gas types.
August 2012
Instantaneous Response To All Gas Leaks
(LEL or ppm)
Certified temperature range of -55°C — +85°C
‘SonicCAL System’ — Automated Self Test
and Sensor Cleanse, Failsafe Operation and
Maintenance Free
Widest Area of Coverage, 40 Meter Radius
Through Four Independent Sensors
Four Multi-Directional Sensor Heads
Quad, independent sensor heads provide the widest overall
detection range and reduce the possibility of obstruction,
common with a traditional single microphone design.
Field-proven Ultrasonic Sensor Principle
Advanced acoustic sensors utilize the proven method of
ultrasonic gas leak detection to protect your plant and
personnel, with hundreds of installations worldwide.
Ultrasound is generated from pressurized leaks of any gas
type, providing simultaneous flammable and toxic gas
coverage. The presence of a concentrated gas cloud for
detection is never required, making this technology ideal
for wide area coverage in outdoor applications.
Sealed Ceramic Sensor Housing
Piezo-electric sensor heads are encased in a virtually
indestructible ceramic housing and sealed against
temperature, moisture and industrial contaminants.
4-20 mA Analog, Relay, RS485 Digital Interface
Certified Worldwide for Hazardous Locations
Widest Dynamic Range Available, 50db — 160dB
Innovative Mapping Tool Helps Operators Achieve
Optimum Performance At Site Location
Programmable Time Delays to Allow For
False Alarm Sources (Pressure Venting, etc)
Sensor Design - They Just Keep Working
Each sensor is completely free of moving parts and will
not age, will not drift, and will never need replacing under
normal working conditions. Maintenance free protection
with proven reliability.
Patented Failsafe ‘SonicCAL System’
Our full diagnostic system runs an automated broadband
self-test every 15 mins applying a true pressurized gas leak to
confirm each sensors detection capability and removes any
potential external contaminants such as sand, oil or dust.
Built for Extreme Conditions
Dealing with extreme heat or cold? We’ve got you covered
with an operational temperature ranges of -55°C to +85°C!
Corrosion resistant stainless steel housing is available, and
every unit is rated IP66/67.
Banshee343 Ultrasonic Gas Leak Detector
PMS - Uncoated
PMS - Coated
PMS
CANNOT TRAVEL THROUGH
SOLID WALLS AND OBJECTS
19.5M
15.5M
15.5M
19.5M
5M
3M
74DB BACKGROUND NOISE
DETECTION ENVELOPE
84DB BACKGROUND NOISE
DETECTION ENVELOPE
110˚
19.5M
15.5M
8.3M
6.6M
GROUND
LEVEL
19
.5M
1
5.5M
15.
5M
19.
5M
C
ANNOT TRAVEL THROUGH
S
OLID WALLS AND OBJECTS
Pressurized Gas Release Episode — Event • Eect • Defense
Fixed (Point)
Gas Detection
DEFENSE LEVEL 2
Pressurized Gas Release Episode — Event • Eect • Defense
Toxic Cloud
Formation
Liquid
Accumulation
High Pressure
Jet Fire
Wide Area
Explosive Fire
Deep Fuel
Pool Fire
Pressurized
Gas Leak
Explosive Cloud
Formation
EXPLOSION
EVENT
IGNITIONIGNITION
IGNITIONIGNITION
IGNITIONIGNITION
Ultrasonic Gas
Leak Detection
DEFENSE LEVEL 1
Fixed (Point)
Gas Detection
DEFENSE LEVEL 2
Optical
Flame Detection
DEFENSE LEVEL 3
BCR-0043-00-012
In Any Conditions.
With a Complete Detection Solution
from NET SAFETY You’re Protected,
Even in the Most Extreme Applications.
ULTRASONIC DETECTION OVERVIEW
Ultrasonic (acoustic) gas leak detection technology
functions through the constant monitoring of wide
areas by advanced acoustic sensors specially tuned
to process ultrasound emitted from pressurised
gas leaks. This detection technology has several
advantages: it does not have to wait until a gas
concentration has accumulated to potentially
dangerous concentrations, it does not require
a gas cloud to eventually make physical contact
with a sensor, and the response is instantaneous
for all gas types (FIG.3).
Simply put, the ultrasonic leak detector only
triggers an alarm when inaudible, ultrasound is
detected (between 25 - 100 kHz) — which is only
produced with the release of highly pressurized
gas (FIG.2). This makes for extremely reliable and
efficient performance by the detection system as
there is no poisoning of sensors, it never requires
field calibration, and all background noises are
accurately filtered or eliminated through time
delay settings.
The Net Safety Banshee343 detects deadly gas leaks at the speed of sound with wide
area coverage without being affected by inclement weather, wind direction, leak
direction or any potential gas dilution. When utilized together with Net Safety point
gas detection and our optical flame detection, a complete and comprehensive safety
system is ensured (FIG.1).
Product Data Sheet
August 2012
Toxic Cloud
Formation
Fixed (Point)
Gas Detection
DEFENSE LEVEL 2
WIND DIRECTION
Ultrasonic
Gas Leak
Detector
80 M - No background noise
40 M - 74DB background noise
Open Path (Line of Sight)
Pressurized
Gas Leak
IGNITIONIGNITION
Ultrasonic Gas
Leak Detection
DEFENSE LEVEL 1
Explosive Cloud
Formation
IGNITIONIGNITION
Fixed (Point)
Gas Detection
DEFENSE LEVEL 2
Turbines, motors, and compressors
typically fall into this frequency range
Human Hearing Range
Audible 20 Hz to 20 kHz
Point Gas
Detector
Liquid
Accumulation
IGNITIONIGNITION
Banshee343 Detection Range
Ultrasonic 25 kHz to 100 kHz
Beyond Human Hearing Range
Ultrasonic 20 kHz to 100 kHz
Gas Detection
EXPLOSION
EVENT
High Pressure
Jet Fire
Wide Area
Explosive Fire
Deep Fuel
Pool Fire
Optical
Flame Detection
DEFENSE LEVEL 3
Banshee343 Ultrasonic Gas Leak Detector
PMS - Uncoated
PMS - Coated
PMS
Product Data Sheet
BCR-0043-00-012
Banshee343 Ultrasonic Gas Leak Detector
Specifications
NSM-SU343US
Detection Frequency Range 25 kHz to 100 kHz
Dynamic Range 50dB to 140db
Area Coverage 40m+ Radius (background dependent)
Response Time Instantaneous (<1s - speed of sound)
Programmable Alarm Delay End user configurable alarm delay via 1 second variable increments
Operating Temperatures -55°C to +85°C
Operating Humidity Range
Auto Test / Clean Procedure
Ingress Protection Rated IP66/67 to withstand harsh environments and temporary immersion
Enclosure Material Aluminum (epoxy coated) & 316 Stainless Steel
Weight (with swivel) 5.0 kg (Stainless Steel option: 10 kg) approx.
Conduit Entry M20 x 2 (M25 x 2, 3/4 NPT x 2), M20 x 2 for serial detector link
Mounting Bracket AISI 316 Stainless Steel (included)
Analog [0 mA: Zero/Low Power,
Output Signals
Approvals / Classifications
Input Power
Power Consumption
Warranty
0.5 mA to 4.0 mA: Detector faults,
SonicCal System (every 15min): Test-broadband gas release (tolerance: 100dB (± 3dB)
--- Clean-compressed air jet directed at the sensing face
4-20 mA: 40dB—200dB]
ATEX, IECEx - II 2G Ex d ib IIB+H2 T4 Gb (Tamb -55°C to +85°C)
CSA/ANSI, GOST, UL - Class I, Division 1, Groups BCD (pending)
250 mA - standard operation | 3 amps with heater (-40°C)
0 to 100% RH, non-condensing
3 Form C Relay Contacts [Error/Fault,
Alarm, Maintenance]
24 VDC (10.5 to 32 VDC)
18 months
RS-485 Digital Interface
August 2012
DIMENSIONS
ACCESSORIES
• NSM-01-TT
Test Transmitter: Handheld
Rechargeable Ultrasonic Sound
Emitter
• NSM-MT-01
Mapping Tool: Handheld Rechargeable
Ultrasonic Sound Receiver
• NSM-SU343-GUI
GUI Software Package. Graphical
User Interface for RS485
Communication
• NSM-PTV
Performance Target Verification Kit
Banshee343 Ultrasonic Gas Leak Detector
PMS - Uncoated
PMS - Coated
PMS
BCR-0043-00-012
Product Data Sheet
August 2012
HEADQUARTERS:
FLAME AND GAS DETECTION
Emerson Process Management
Net Safety Monitoring Inc.
2721 Hopewell Place NE
Calgary, Alberta, Canada T1Y 7J7
T +1 (403) 219 0688
T 1 866 FIREGAS
F +1 (403) 219 0694
www.net-safety.com
©2012 Emerson Process Management. All rights reserved.
Emerson Process Management, Rosemount Analytical, and Net Safety Monitoring are marks of Emerson Process Management group of
companies. All other marks are the property of their respective owners.
The contents of this publication are presented for information purposes only, and while effort has been made to ensure their accuracy, they
are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or
applicability. All sales are governed by our terms and conditions, which are available on request. We reserve the right to modify or improve the
designs or specifications of our products at any time without notice.
∞
Please refer to manuals for complete specifications.
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