Product Data
Vehicle Exhaust measurement system:
Noise Patrol
Noise Patrol is an evolution of
well-­‐renowned and established system
known as Noise Inspector. Noise Patrol
is based on the technology of acoustic
detection as was the distinguishing trait
of the Noise Inspector. Passing of time
caused certain changes that were
necessary to implement to keep it the
market leader in the area of Vehicle
Exhaust noise measurements.
A wireless control for one-­‐man
operation was implemented to further
cary the vision of ease-­‐of-­‐use and to
meet current expectations for modern
measurement equipment.
Well-­‐designed workflow allows for low measurement error rate and quick setup of equipment making
measurements simple and easy to perform.
USES
Measurement of exterior exhaust sound level
from motorbikes, cars, trucks and mopeds
under stationary conditions (engine sweep
test)
FEATURES
• IEC and ANSI Type 1 Sound Level Meter Type
2250L
• Non-­‐contact measurements of engine RPM
by computing the engine speed from the
acoustic signal of the exhaust noise
• Automatic procedure according to 70/157/
EEC and ISO 5130
• Full Standard compatibility
• Complete measurement and result
traceability with print-­‐out and stored data
• Possible to integrate into other
measurement systems or existing platforms
• Allows totally non-­‐invasive tests of vehicles.
The engine bonnet or compartment cover
does not need to be opened
• Acoustic detection of engine RPM for 2-­‐ and
4-­‐ stroke engines, gasoline and diesel, from 1
to 12 cylinders
• Suitable for use by a single operator. A
dedicated computer manages the complete
measurement sequence
• All in one suitcase
• Battery operated
• Intuitive setup menu for measurement
configuration and engine type, via touch
display
• Remote control of the SLM, for setup, and
measurements
• Simultaneous measurement and display of
sound level and engine RPM
• Intuitive measurement flow through smart
device
• Automatic trigger of the measurement when
the correct RPM is reached
• Integrated printer for measurement reports
• Optional external tachometer with case
connector
• Print out of results for instantaneous report
PRELIMINARY
Noise Patrol Type i305
Introduction
The Directive on Motor Vehicles 70/157/EEC:
"Permissible Sound level and the exhaust
system of motor vehicles" and its amendments
describe a measurement procedure to facilitate
subsequent checks on vehicles in use. In
addition, ISO -­‐ 5130 specifies a test procedure,
environment and instrumentation for
measuring the exterior exhaust sound levels
from road vehicles under stationary conditions,
providing a continuous measure of exhaust
system sound level over a range of engine
speeds (engine sweep test).
Noise Patrol is a Sound Level Meter (SLM)
especially
designed
for
automatically
performing the complete measurement
procedure mentioned above.
Calibration
The system assists the operator in calibrating the
SLM. Once the calibration menu has been selected,
you only have to insert the microphone into Type
4231 Sound Level Calibrator and activate
calibration. The results can be printed for official
reports.
Calibration procedure is also a part of each
measurement. Before a measurement can be
started and after each measurement.
Page 2
Noise Patrol Type i305
Procedure for complete measurement
Settings
Before starting a measurement, you have to
enter the different parameters via the Settings
menu:
• Vehicle type
• License plate
• Engine Type
• Number of strokes (2 or 4 stroke)
• Number of cylinders
• Noise Limit
• RPM detection: set at three-­‐quarters or half of
the engine's rated maximum net power, as
stated by the manufacturer.
• Operator
• RPM Tolerance [%]
Measurement Flow
Automatic calibration is followed by a set of menus guiding user through the measurement seamlessly
and effortlessly with all the instruction on the screen with complete control over measurement
process.
1800"
1600"
RPM Trigger
1400"
1200"
Trigger
1000"
RPM$
800"
600"
400"
200"
Run up RPM
Hold RPM
0"
0"
0.5"
1"
1.5"
Waiting for trigger
2"
2.5"
3"
3.5"
Time$(s)$
Release the throttle
4"
4.5"
5"
5.5"
6"
6.5"
7"
Measurement Started
Page 3
Noise Patrol Type i305
The procedure first measures the background noise. The sequence is started by operating the
throttle so that the engine speed gradually increases from idle to the engine speed corresponding
to the trigger RPM value, with help from the RPM Indicator. Then the speed should be held constant
for 1 to 2 s. Finally, the throttle should be released rapidly and the engine speed allowed to return
to idle. The SLM will measure from the time the RPM trigger occurs, until the engine
has returned to idling position. This sequence is generally
repeated 3 times, but can be modified, if
required.
Proced
ure is t
riggere
d by RP
M and
Automatic
Background
measurement
is fully
automa
tic with
clear in
dica
tions o
n
smart d
evice
Automated -­‐ simple -­‐ easy to use
Noise Patrol
Page 4
Noise Patrol Type i305
Specifications
The following specifications applies to Noise Patrol used with
a Type 2250L Sound Level Meter, fitted with the supplied
microphone, preamplifier and extension cable.
Note: Specifications that apply only to the SLM are shown in
italics in the following specification.
STANDARDS:
Conforms with the following:
• IEC/EN 61672 -­‐ 1:2002 Class 1
• IEC 60651 Type 1, 1979 & Amendment 1 1993 &
Amendment 2 2000
• EN 60651 Type 1
• EN60804 Type 1
• ANSI S1.4 -­‐ 1983 Type S1
• ANSI S1.43 -­‐ 1997 Type 1
• Measurements of exhaust sound levels emitted by
stationary road vehicles according to ISO 5130 and 70/157/
EEC: Standards:
• ISO -­‐ 5130:1982 (under revision)
• SAE J1492: 1998-­‐05, Measurement of Light Vehicle
Stationary Exhaust System Sound Level Engine Sweep
Method
• SAEJ1297: 1998-­‐07, Measurement of Exhaust Sound
Levels of Stationary Motorcycles
NATIONAL LEGISLATION:
Germany: DIN ISO 5130 Methode für die Messung des
Standgeräusches von Strassenfahrzeugen; 70/157EWG,
2/97/EWG, 96/20/EG, ECE-­‐R 63, 78/1015/EWG, 97/24/EG,
1999/101/EC France: Arrêté du 18 juillet 1985 relatif au
contrôle au point fixe du niveau sonore des véhicules;
70/157/EEC
SUPPLIED MICROPHONE
Type 4950 Prepolarized Free-­‐field 1/2 Condenser
Microphone Nominal Sensitivity: -­‐26dB re 1V/Pa or 50mV/
Pa Frequency Range: 6.3Hz to 20kHz ± 2dB
Capacitance: 12.5 pF (@250 Hz)
MICROPHONE PREAMPLIFIER
ZC 0032
EXTENSION CABLE
5m in length
MEASUREMENT RANGES
Dynamic Range: From typical noise floor to max. level for a
1 kHz pure tone signal, A-­‐weighted: 16.4 to 140 dB
RPM ACOUSTIC MEASUREMENTS RANGE
• 2 or 4 stroke
• Number of cylinders: 1, 2, 3, 4, 5, 6, 8, 10, 12
• 200< RPM measurement capabilities< 13000 for 1, 2, 3, 4
cylinders
• 200< RPM measurement capabilities< 7000 for 5, 6, 8,
10, 12 cylinders
• Accuracy: better than 2 %
OPTIONAL RPM SOLUTIONS
Integrated tachometer AVL DISPEED 492
SPECIFICATION
• Passenger vehicles or trucks:
Petrol engine 400-­‐8000 RPM, Resolution: 10 RPM
Diesel engine 400-­‐8000 RPM, Resolution: 10 RPM
• Motorbikes:
2-­‐stroke engine 900-­‐8000 RPM, Resolution: 10 RPM
4-­‐stroke engine 600-­‐8000 RPM, Resolution: 10 RPM
Any Tachometer with interface. Connects to the
outside connector of the suitcase via adapter
SLM REMOTE CONTROL
The smart device manages the Sound Level Meter Type
2250 setup, measurements and measured values
according to the above standards, automatically, via
the Wireles interface
SMART DEVICE
Apple iOS (ver. 5+) device running application Noise
Patrol. The device as such is a part of the Noise Patrol
system. The indication on the Smart device is explained
in the user manual.
TACHOMETER CONNECTION
'Plug and play'
CALIBRATION
Automatic, using Sound Level Meter calibrator Type
4231, via the Noise Patrol app.
PRINTER
Measurement data are automatically printed, (in the
chosen language), or manually selected via the main
menu. The data consists of the following:
• Engine RPM trigger
• Number of cylinders
• Type of engine
• Date/time
• Measurement values
• Criteria level
• Lmax or Laverage
• Pass/Fail criteria
• SLM serial number
TACHOMETER INTERFACE AND CABLING
Tachometer cable (length 4 m) connected to the
system on the front plate
SETTLING TIME
From power-­‐on: <20s
BATTERY
Dry lead battery 6V/7.2Ah
Lifetime (at room temperature): typically >12h Power
supply for SLM and external tachometer
LANGUAGE
Each instrument is loaded with English, German,
French, Italian and Spanish text. You can select one of
these languages at any time, via the advanced setup
EXTERNAL DC BATTERY CHARGER Voltage: Regulated 7
to 15V
Power: Approximately 150mA at 7V Standard plug
connected on the front plate
PHYSICAL CHARACTERISTICS
Size (L×W×H): 426.7 x 337.8 x 111.7mm (16.8 x 13.3 x
4.4") Weight: Type 3638 A ñ 6 kg (13 lb 2 oz.) (including
SLM, calibrator, tachometer and all the accessories).
Page 5
Noise Patrol Type i305
Compliance with Standards
CE-­‐mark indicates compliance with: EMC Directive and Low Voltage Directive.
C-­‐Tick mark indicates compliance with the EMC requirements of Australia and New Zealand
EN61010ñ1 and IEC61010ñ1: Safety requirements for electrical equipment for measurement, control
and laboratory use.
Safety
UL3111ñ1: Standard for Safety ñ Electrical measuring and test equipment
EMC Emission
EN/IEC61000ñ6ñ3: Generic emission standard for residential, commercial and light industrial
environments. EN/IEC61000ñ6ñ4: Generic emission standard for industrial environments.
CISPR22: Radio disturbance characteristics of information technology equipment. Class B Limits.
FCC Rules, Part 15: Complies with the limits for a Class B digital device.
EMC Immunity
IEC60068ñ2ñ1 & IEC60068ñ2ñ2: Environmental Testing. Cold and Dry Heat. Operating Temperature:
ñ10 to +50°C (14 to 122°F)
Storage Temperature: ñ25 to +70°C (ñ13 to +158°F)
Effect of Temperature: <0.5dB (ñ10 to +50°C)
Note: The above is only guaranteed using accessories listed in this Product Data sheet.
Temperature
IEC60068ñ2ñ1 & IEC60068ñ2ñ2: Environmental Testing. Cold and Dry Heat. Operating Temperature:
ñ10 to +50°C (14 to 122°F)
Storage Temperature: ñ25 to +70°C (ñ13 to +158°F)
Effect of Temperature: <0.5dB (ñ10 to +50°C)
Humidity
IEC60068ñ2ñ78: Damp Heat: <0.5dB for 30% <RH <90% (non-­‐condensing at 40°C, 1kHz)
Ordering information
Type%i305*A%
Type%i305*B%
Type%i305*C%
Type%i305*D%
%
Noise%Patrol%Unit%with%acoustic%detection%
Software%
Noise%Patrol%Unit%with%acoustic%detection%
Software%and%integrated%AVL%DiSpeed%492%
RPM%unit%
%
NP*0060%
Graphic%Thermal%Printer%–%GeBE%Flash%
%
NP*1101%
Noise%Patrol%Unit%with%acoustic%detection%
Software%and%external%RPM%detector%%
Noise%Patrol%Unit%with%acoustic%detection%
Software%and%NP*0327,%OBD%II%interface%
%
%
NP*0697*D*50%
%
NP*2085%
%
%
NP*0588%
NP*%0200%
Protection%Suitcase%Explorer%with%Power%
supply,%LiFePo%rechargeable%battery,%all%
internal%cabling%and%interconnections,%
Connection%Panel,%soft%insert%pre*fabricated%for%
all%components%
AO*0697*D*50,%microphone%extension%cable,%
5m%
Tripod%Cullman,%adjustable%height%from%20cm%
to%85cm%
UA*0588%½”%Microphone%holder%
Measurement%tape%
%
NP*1205%
LiFePo%Charger%
%
NP*1678%
Printer%Paper,%58mm%(1%extra%roll)%
%
%
%
%
%
%
%
%
%
%
NP*0327%
OBD%II%interface%%
%
NP*0492%
RPM%analyzer,%AVL%DiSpeed%492%%
Included(with(the(Type(i305(Noise(Patrol(Unit(
NP*0314%
NP*0315%
NP*0316%
%
Mini%PC%with%pre*installed%Windows%7,%SQL%
database%and%Noise%Patrol%Control%Software%
Smart%Remote%Control,%iPod%with%pre*
installed%Noise%Patrol%Application%
Noise%Patrol%Utility%Software%for%PC.%%
%
Components(that(can(be(ordered(separately(
2250*L*D*100%
4231%
Bruel&Kjaer%%Type%2250*Lite%Sound%Level%
Meter%
Bruel&Kjaer%Sound%Calibrator%
!
Page 6
!
!
Services(
i305&CAF!
2250&CAF!
Accredited!Calibration!of!Noise!Patrol!
including!Accredited!calibration!of!2250&L,!
Acoustic!calibrator!4231!and!Acoustic!
Detection!Module!
2250&L!Accredited!calibration!
!
!
!
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!
!
4231&CAF!
4231!Accredited!calibration!
!
NP&0492&CAF!
AVL!DiSpeed!RPM!meter!accredited!calibration!
NP-i305 2013-1
!
IMS MEASUREMENT SYSTEMS Ltd,
Cesta Ljubljanske brigade 23a; SI-1000 Ljubljana, SLOVENIA, Tlf: +386 1 500 0930
www.ims.si, e-mail: info@ims.si