PROODUCTT INFOOMATTION

AIRR LEAAK TEESTER
RHeelps reducee measurement errorrs and false rejects due to part temperatu
ure effects.
CCompensattion graphss viewed oon large LCCD screen.
Easy settting for maapping of th
he graphs.

Air Leakk Tester withw
Temperaturee Compen
nsation

LS-R9L902(ATTC)

Any trrouble with leak test after
awash ing processs?
To sollve problem
ms with tem
mperature,, consult Cosmo.
CWee have abu ndant experienceand exxcellent tecchnology.
■ Autommatic Mappping1)

e ambient-ttemperaturee parts andd after-washhing parts
Collecting data on theCarrries out leak test
tunder th
he same conddition as theproduction line too determine Temperature
Te Compensatione.
value Usses non-leaking parts for sampling.
 Co
ollects data ono the ambient-temperatu
ure parts anddaftter-washing parts.
p Co
ollected data can be checcked on the S
Sampling Da
ata(Sccatter plot) screen.
s2)

Checking tthe Samplin
ng DataColle
ected data ca
an be checke
ed on the Sa
ampling Dataa (List)screeen.
Unneecessary datta (such as abnormalavallues) can bedeletted on this screen.

3)

Determininng the Temperature Coompensatioon value
Deteermines the Temperature
Te Compensattion value using theSam
mpling Data.
Sele
ecting “Least--square Methhod” or “Averraging Methood”
automatically dettermines the Temperaturre Compensa
ationvaluee.
“Leaast-square Method” is selected in this screen.

LS-R9022(ATC)-985B1-AA1■ Adva
antages■ Mechhanism off False reje
ects due tto Temperrature Effe
ects
When thhe part temperrature is higher than the amb
bient tempera
ature in such a case as afterr washing proc
cess, theo the parts as a result of theermal exchangge with the cla
amp fixture affeects the leak measurementm.
temperature change ofeasured value
es can be com
mpensated usin
ng the correlattion between tthe differential pressure
To cope with it, the meand part temp
perature that ca
auses measurrement errors.. The Tempera
ature Compennsation realize
es highly precissechange aleak testts and reducess false rejects.
Note: W
Water accumulaated on the pa
art interferes w
with the correla
ation. Remove
e water as mu ch as possible
e to maximize
Temperaature Compennsation.

WashingLeakk Test
Thermal exxchange with theenvironment lowers the partptem
mperature.

Waashing raises the parttemperaturre.

AAir temperaturee inside the pa
art drops

Pressure insidde the part chaanges.

Frrequent Partt (+) Fails occcur■ Conffiguration of LS-R9002(ATC) SSystem

Air Leak Te
ester with Temp
perature
Compensa
ation
LS-R902(AATC)

mperatureTemCommpensation UnittTCUU-900

Part (Work))
Temperaturre Sensor
TS-302EG

Fixture/Masteer
Temperature Sensor
TS-301E

Co
onnecting cable

LS-R9022(ATC)-985B1-AA2

■ Overrview of Teemperature Compeensation SystemSThe temp
perature difference betwe
een the part aand the envirronment (fixture, Master C
Chamber or atmosphere)
is measurred to carry out
o the Temp
perature Com
mpensation accordingato the correlatioon between thettemperatu
ure difference and measu
urement erroors.

 Basis off Compenssation
TCU-9000

Raw data off temperaturee difference
and differenttial pressure Exam
mple of Teemperaturre Compen
nsation Data
● Tested part: Oil pan (Whole)
Test condition(1) Teest pressure: 100 kPa(2) Eqquivalent interrnal volume: 2500
2mL(3) Leeak specificatiion: 10 mL/minn(4) Teest timers:
Pressurization 22 secs.
Equalization 3 secs.
Stabilization 5 secs.
Detection 3 secs.

LS-R9022(ATC)-985B1-AA3

■ Modeel Classifiication
(1)
(2)

P
Pneumatic Circcuit

LS-R9 02－(1)(2))(3)A1, A2
2, AS01, AS1, C
Precisiion Regulator (L02, L, M)
E/P Reegulator (LR, MMR)
Calibraator (J, K05, K
K1, K4, K10), Bypass
B
Circuitt Ready (B), D
Differential Pre
essure Sensorr
Range
e: 10 kPa (D4) , Pressure/Vaacuum Pressurre Sensor (PVV1), etc.
TCU ports (IN, OUT ) provided on the rear panel without TCU
U (RX09)
TCU ports (IN, OUT ) + TCU (Temmperature Com
mpensation Unnit), sensors and cables soldd as
a set (RX10)
Forr details, referr to the catalog
g of LS-R902.

RRegulator(3)OOption■ Speccificationss (TCU-9000)
Maxx. Part
Temp
perature
MMax.
Temp
peratureDiffeerence

80 ºC

Weight50 ºC

Place
Pto UsePowerr Source

24 VDC ±10 %Accessories
AAmmbient
Temp
perature
Hummidity

perating tempe
erature: 5 to 4
40 ºC,
OpSto
orage tempera
ature: -20 to 7
70 ºC
80 %RH or less / no dew conddensation

OptionApprox. 1.8 kg
Indoor
24 VDC adaapter, Power cordc(Withstandvoltage 125 V, Length 3 m),
m Operation
ManualHigh pressuure power cordd (CE compliant,240 VAC or lower, Lengthh 2 m)

■ External AppeearanceLS-R9002(ATC)TCU-9000* The conttents of this PR
RODUCT INFORRMATION are ass of August 2018. The specifica
ations are subjeect to change wiithout notice.

Cosmmo Instrumments Co., Ltd.

http://www.cosmoo-k.co.jp/2974-23
3 Ishikawa, Hachioji, Tokyo 192
2-0032 Japan

Phone: +81-(0)42-6642-1357 Fax: +81-(0)42-646-2439

China: Cosmo (Shanghai) Tradin
ng Co., Ltd.
Shanghai, Tianjin, Guangzhou, Chongqing, Changchhun, and Wuhan
Korea: Cosmo Korea Co., Ltd.
nts Co., Ltd.
Taiw an: Taiw an Cosmo InstrumenD.
Malaysia: COSMOWAVE SDN.BHD
Thailand: Cosmow ave Technologyy Co., Ltd.
Indonesia: Pt. Cosmow avem: Cosmow ave Technologyy Co.,Ltd. Vietnam Represen
ntative OfficeVietnam+86-(0)221-6575-6880+82-(0)332-623-6961+886-(0)2-2707-3131
3-51626677+60-(0)3+66-(0)22-7361667+62-(0)221-42900043+84-(0)447876085

India: Cosmo Instrum
ments India Pvt. Ltd. Head OfficeO
Cosmo Instrum
ments India Pvt. Ltd. South ZoneZRegional OfficeCosmo Instrum
ments India Pvt. Ltd. Pune - Chakan Office
Germany: Cosmo EU So
olutions Technology GmbH
USA: Cosmo Solutio
ons Technology, Inc.
Mexico: Cosmo De Meexico
Brazil: Tex Equipame
entos Eletronicos Ind. Com. Ltda.
Australia: Industrial Res earch Technology Pty. Ltd.

+91-(0)124-421-0946+91-(0)9663384423+91-(0)20-6933-2345+49-(0)212-383671-71+1-248-488-2580+52 472 748 62 94+55-(0)11-4591-2825+61-(0)412-176-674

LS-R9022(ATC)-985B1-AA4