laser cm20
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This product contains an invisible infra-red 5mW laser.
Any dismantling of the product may result in dangerous exposure to laser radiation.
Detail of internal protective housing label, class 3, which is mounted on laser module.
This product is a class 1 laser product which complies with both USA21 CFR 1040.10 &1040.11 and (BS) EN 608285-1
Please note that users are not required to access the laser radiation and shouldnever do so.
LASER CM20 LASER INFORMATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
DANGER – INVISIBLELASER RADIATION WHEN
OPEN. AVOID DIRECTEXPOSURE TO BEAM.
Introduction
The Parker Laser CM20 Contamination Monitor represents the most upto- datetechnology in solid particle contamination analysis, and the first truly portablemonitor.
Laser CM20 is a complex instrument, but at the same time has reliability, simplicity andease of operation designed-in.
This owner’s manual has been carefully prepared to guide you, the user, step by stepthrough how to ‘get started’, how to obtain measurements and how to interpret the results.Additional information relating to the ‘Aggressive Fluids’ monitor is also included.
The real benefits to be gained from Laser CM20 will be achieved through regular useparticularly as an effective comparator.
With a typical test taking only 2 minutes the opportunities for Laser CM20 as your standardfluid contamination monitoring instrument are considerable.
Above all, Laser CM20 has been designed to be used.
ContentsPage
LASER CM20 FEATURES 3.LASER CM20 BENEFITS 4.ANNOTATED DIAGRAMS 5.GETTING STARTED 9.BASIC OPERATION 13.ADDITIONAL FEATURES 24.DATA INTERPRETATION 25.COMPONENT CLEANLINESS GUIDELINES 30.ISO CONTAMINATION CHARTS 31.HYDRAULIC CIRCUIT DIAGRAM 34.LOGIC DIAGRAM 35.DIAGNOSTICS 36.REAR PANEL 39.SPECIFICATIONS 40.ORDERING INFORMATION 42.OPERATION CHECK LIST 43.'AGGRESSIVE FLUIDS' 44.
2
CONDITIONMONITORING
LASER CM20 LASER INFORMATION
LASER CM20 CONTENTS
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Features
Test Time: 2 minutes.Repeat Test Time: Every 2 minutes.
Principle of Operation: Optical scanning analysis and measurement of actualparticulates.
Particle counts: 2+, 5+, 15+, 25+, 50+ and 100+ microns.International codes: ISO 7-22 NAS 0-12
Certification: This product complies with all relevant EC declarations of conformity.
Memory store: 300 test (scrolling memory) capacity.Calibration: By accepted on-line methods confirmed by the relevant
International Standard Organisation procedures.Re-calibration: Consult Parker.
Max. working pressure: 420 bar.Max. flow rate: 400 l/min when used with System 20 Sensors. Higher with
Single Point Sampler (Consult Parker).Working Conditions: Laser CM20 will operate with the system working normally.
Printer facility: Integral 16 column printer for hard copy data.Computer compatability: Interface via RS 232 connection @ 9600 baud rate.
Portability: Only 8 kg. Laser CM20 has its own battery pack.Power requirement: Battery powered or via a 12vDC input (not supplied).System connection: Via System 20 Inline Sensors or the Single Point Sampler.Leak free sampling: System 20 sensors ensure sealed fluid extraction and no
contamination ingress.
FAIL SAFE FEATURES
Special ‘Diagnostics’ are incorporated into the Laser CM20 micro processor control toensure effective testing.
Circuitry: Incorporates an internal diagnostic programme to ensureintegrity of results.
Adequate flow: Flow test facility ensures adequate flow.
DATA MANAGEMENT
A specially designed DATUM software package is available to enable downloading of testresults onto a computer.
3
LASER CM20 6 CHANNEL
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Benefits
• Routine contamination monitoring of oil systems with Laser CM20 saves time andsaves money.
• Contamination monitoring is now possible while machinery is working – Laser CM20saves on production downtime.
• Instant, accurate results are available to international standards in hard copy form.That means system maintenance decisions can be taken immediately.
• Laser CM20 ensures that machinery hydraulic systems are tested in manufacture toISO cleanliness standards.
• Internal diagnostic feature ensures Laser CM20 will work accurately and reliably.
• Computer interfacing available for downloading data on to compatible computer.
• Totally portable, can be used as easily in the field as in the laboratory.
• Manufactured from lightweight Lexan foam which is both durable and strong.
• User friendly instrument improves familiarity and awareness of service and maintenancepersonnel.
4
LASER CM20 6 CHANNEL
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Monitor – Front View
5
LASER CM20 ANNOTATED DIAGRAM
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Monitor – Rear View
6
LASER CM20 ANNOTATED DIAGRAM
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Hand-held Readout
7
LASER CM20 ANNOTATED DIAGRAM
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Micron Sizes
Count
OperatorValve
Bleep
ChargeMode
Print Result
Set Display
Alpha NumericDisplay
Display Status
Low Battery
Paper Feed
Standard Select
Alpha NumericKeys
Battery Insertion
Laser CM20 can also be powered from a regulated 12Vdc supply (see specifications page)
Step
1 Remove battery compartment
2 Insert batteries in the sequence shown
3 Replace battery compartment
8
LASER CM20 ANNOTATED DIAGRAM
LASER CM20 © Parker Hannifin (UK) Ltd 2004
6x1.5 volt batteries are required.ALKALINE
9
LASER CM20 GETTING STARTED
LASER CM20 © Parker Hannifin (UK) Ltd 2004
To set Laser CM20 to record time and date of tests.
Step
1 Switch Laser CM20 on.
2 Remove handset and check display is working Total display will remain on for 4 seconds.
3 Press and hold for 5 seconds.
Use to move cursor under Y
if ‘Memory Reset’ is required.
Use to move cursor under N
if ‘Time and Date’ reset is required.
Press button.
4 Time mode displayed.
5 Enter correct time using numeric key pad.
Press.
6 Press.
MODE
MODE
1
8
7 Press.
8 Press.
9 When correct time is
displayed press.
10
LASER CM20 GETTING STARTED
LASER CM20 © Parker Hannifin (UK) Ltd 2004
MODE
0
3
To set date.
Step
1 Having confirmed time by pressing you are ready to set date.
2 Enter correct date using numeric keypad
Press.
3 Press.
4 Press.
5 Press.
6 Press.
7 Press.
8 When correct date is displayed press.
11
LASER CM20 GETTING STARTED
LASER CM20 © Parker Hannifin (UK) Ltd 2004
1
9
1
0
5
4
MODE
MODE
Installing paper and ribbon into the printer.
Step
1 Remove cover and reel axle.
2 Place ribbon cassette in printer(follow numbered sequence)
3 Feed paper under printer roller.
4 Press paper feed button onhand held unit.
5 Place paper in paperwell.
6 Feed paper through coverand secure cover.
12
LASER CM20 GETTING STARTED
LASER CM20 © Parker Hannifin (UK) Ltd 2004
13
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
The Laser CM20 is now ready to check the cleanliness level of your system. Readingscan be taken at full working pressure 420 bar (max.) In conjunction with System 20Sensors.
Note: The Laser CM20 is supplied filled with hydraulic oil and may need to be flushedprior to use.
Step
1 Disconnect hydraulic hoses from the ‘hose tidy’.
2 The Laser CM20 is designed foruse in connection with System 20 size 0, 1 and2 Industrial Sensors or the Single Point Sampler.
Note: ‘Aggressive Fluids’ monitormust be connected to a specialSystem 20 Sensor orSingle Point Sampler.
3 Ensure Sensor is installed with arrow in direction of flowWorking viscosity 2-100 cSt.
Ensure minimum working pressure of 2 BarEnsure adequate oil flow through Sensor
Size 0 – 12 litres per minuteSize 1 – 40 litres per minuteSize 2 – 160 litres per minute
Disconnect protection caps 1 and 2 only (red and yellow)
4 Connect red hose loosely to Sensor inlet.
5 Connect yellow hose loosely to Sensor outlet.
6 Simultaneously tighten the couplings finger tight.
The Laser CM20 is now connected to the fluid to be checked.14
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
1
2
We recommend Laser CM20 is connected to operating system sensor for 5 minutesto allow fluid condition to stabilise before commencing test.
It is also recommended that an independent flow check be carried out if there ishigh viscosity oil and low flow through System 20 sensor, or the unit is beingoperated without the trace heating option in cold ambient temperatures.
Independent Flow Test
1 Switch Laser CM20 on.
2 Press for 5 seconds.
3 Flow test willcommence, the displaywill show.
4 After 30 seconds the printer willprint out the results of the flowtest.
5 A ∆T (Temp) of ≤03.60°C or lessis required for a successful testto be achieved.
6 If the ∆T value is >03.60°C then theflow rate through the System 20Sensor should be increased orthe system oil temperature raised.
15
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
LASER CM FLOWTEST
Step
1 Select ISO or NAS standard.This determines the format oftest data stored.
2 Observe position of operation control valve system or
3 Turn valve 90° in indicateddirection. Valve position can bechecked from the topof the Monitor....
.... or from the front of the Monitor.
Important:Only turn the valvewhen starting a testand only whenthe valve turnsymbol
or is shown onthe display.
Testing will commence immediatelyThe test will take approximately 2minutes. The duration bar will runacross the screen for the durationof the test in 12 segments.
During each test, the appropriatetest number will appear on thedisplay. Example indicates testnumber 001 in progress.
16
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
ISO/NAS
ISO Mode
Step
1 When the test is complete the ISO Code will automatically be displayed.
2 Particle countTo obtain a count for the 2µ particles
press the button.
All particle counts are representativeof 100 ml samples.
3 A count for 2µ will be displayed.
4 Press for the 5µ count.
5 Press again to obtain the 15µ count.
6 Press again to obtain the 25µ count.
17
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
MODE
22:20:14
2µ
92:35:19>5µ
10:00: 1>15µ
45: 1:>25µ
Step
7 Press for the 50µ count.
8 Press once more for the100µ count.
9 Use to return to previous particle count screen.
18
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
11: :>50µ
19
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
ISO/NAS
MODE
11: :>50µ
66:15:15µ - 25µ
14:63:25µ - 50µ
36:45:345µ - 15µ
NAS Mode
When the test is complete the NAS Code will bedisplayed automatically.
Step
1 Press the button to set NAS mode.NAS class code will appearon the screen.
2 Press the button to obtain theNAS count 2µ to 5µ.
3 Press the button to obtain theNAS count 5µ to 15µ.
4 Press again for the NAScount 15µ to 25µ.
5 Press again to obtainthe 25µ to 50µ count.
6 Press again for the50µ to 100µ count.
Step
7 Press once more forthe 100µ count.
Press to return to previous particle count screen.
20
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
To print a result
To obtain a printout of the result in the ISO MODE
Step
1 Press the button once toobtain the last result.
2 The printer will print the time,date and test number withISO code and particle count.
Test No
To print all tests to datePress the print button twice
Print stopped by pressinga third time
If the test count falls below ISOcode 7 or above ISO code 23 then 00 or 99 respectively will bedisplayed under the 2µ, 5µ and15µ symbols.
Next test
21
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
PRINT PRINTPRINT PRINT
UCC LASER CMON-LINE TEST
To obtain a printout of the test result in the NAS MODE
Step
1 Having completed the test in the NAS MODE.
Press the button once to obtainthe last result.
2 The printer will print the time,date and test number with NAScode and particle count.
Test No
To print all tests to datePress the print button twice
Print stopped by pressing athird time
If the test count falls below NASclass 0 or above NAS class 12 the 00 or 99 will be displayed above the NAS symbol.
Next test
22
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
UCC LASER CMON-LINE TEST
Calibration Requirement
When switching the unit on, it will check the date as stored in the real-time clock againstthe date stored as the last calibration date.
If the date is within 4 weeks of the calibration due date, then the unit shall proceed asfollows:
(this assumes a last calibration date of 29th June 2000)
To continue with testing press
If the unit passes the recommended calibration due date, then the unit shall proceed asfollows:
To continue with testing press
MODE
23
LASER CM20 BASIC OPERATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
MODE
Press and hold and use key to lighten the screen.
Press and hold and use key to darken the screen.
Press and hold and use to switch backlight on.
Press and hold and use to switch backlight off.
5 MNO
5 MNO
7 STU
7 STU
Additional KeysThe handset has two additional hot key functions
It is supplied with factory default contrast and backlight setings.These settings are user adjustable as detailed below.
NOTE:
When the CM20 is switched off the backlight function is reset.Therefore if the backlight is still required when the CM20 is switchedback on, the backlight wil then need to be reactivated.This is to preserve battery life.
24
LASER CM20 ADDITIONAL FEATURES
LASER CM20 © Parker Hannifin (UK) Ltd 2004
s s eq ed e e C 0 sil then need to be reactivated.
Solid contaminants in fluid power systems vary in size, shape, form and quantity. Themost harmful contaminants are normally between 5 micron and 15 micron. The ISOcode is the preferred method of reporting quantity of contaminants.
25
LASER CM20 DATA INTERPRETATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
The ISO code numbercorresponds tocontamiation levelspertaining to three sizes.
The first scale numberrepresents the number ofparticles larger than 2µmper 100 millilitre of fluid,the second number forparticles larger than 5µmper 100 milllilitre of fluidand the third number forparticles larger than 15µmper 100 millilitre of fluid.
Below is a table of actualresults, obtained, ofcontamination within aHydraulic Pumpendurance test rig.
ISO Contamination Numbers
For example code 20/18/13 indicates that there are between 500,000 and 1,000,000particles larger than 2 microns and between 130,000 and 250,000 particles larger than 5microns and between 4000 and 8000 particles larger than 15 microns.
26
LASER CM20 DATA INTERPRETATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Particle Distribution Chart to ISO4406Including various ISO level contamination grades
27
LASER CM20 DATA INTERPRETATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
NAS 1638 Chart
28
LASER CM20 DATA INTERPRETATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
NA
S 1
638
ISO/NAS/SAE Comparison Chart
The above comparisons relate to particle count data only. To conform to any particularstandard, reference should be made to the recommended experimental procedure.
29
LASER CM20 DATA INTERPRETATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
30
LASER CM20 COMPONENT CLEANLINESS GUIDELINES
LASER CM20 © Parker Hannifin (UK) Ltd 2004
TAR
GE
TC
ON
TAM
INAT
ION
SU
GG
ES
TE
DC
LAS
S T
OM
AX
IMU
MS
EN
SIT
IVIT
YT
YP
E O
F S
YS
TE
MT
YP
ICA
LIS
O 4
406
PAR
TIC
LE L
EV
EL
CO
MP
ON
EN
TS
5µm
15µm
5µm
15µm
139
4,00
025
0S
uper
crit
Ical
Silt
sen
sitiv
e co
ntro
l sys
tem
with
ver
yH
igh
perf
orm
ance
high
rel
iabi
lity.
Lab
orat
ory
or a
eros
pace
.se
rvov
alve
s
1511
16,0
001,
000
Crit
ical
Hig
h pe
rfor
man
ce s
ervo
and
hig
hIn
dust
rial
pres
sure
long
life
sys
tem
s, i.
e. a
ircra
ft,se
rvov
alve
sm
achi
ne to
ols,
etc
.
1613
32,0
004,
000
Ver
y Im
port
ant
Hig
h qu
ality
rel
iabl
e sy
stem
s. G
ener
alP
isto
n pu
mps
,m
achi
ne r
equi
rem
ents
. pr
opor
tiona
l val
ves
com
pens
ated
flow
cont
rols
1814
130,
000
8,00
0Im
port
ant
Gen
eral
mac
hine
ry &
mob
ile s
yste
ms.
Vane
pum
ps,
Med
ium
pre
ssur
e, m
ediu
m c
apac
ity.
spoo
l val
ves
1915
250,
000
16,0
00A
vera
geLo
w p
ress
ure
heav
y in
dust
rial s
yste
ms,
Gea
r pu
mps
,or
app
licat
ions
whe
re lo
ng li
fe is
not
man
ual a
nd p
oppe
tcr
itica
l.va
lves
cyl
inde
rs
2117
1,00
0,00
064
,000
Mai
n pr
otec
tion
Low
pre
ssur
e sy
stem
s w
ith la
rge
clea
ranc
es.
Ram
pum
ps
Sug
gest
ed a
ccep
tabl
e co
ntam
inat
ion
leve
ls fo
r va
rious
hyd
raul
ic s
yste
ms.
Typical system applications and code numbers
31
LASER CM20 ISO CONTAMINATION CHARTS
LASER CM20 © Parker Hannifin (UK) Ltd 2004
The
se ty
pica
l app
licat
ions
and
ISO
cod
e nu
mbe
rs a
re ta
ken
from
the
UK
Con
tam
inat
ion
and
Con
trol
Res
earc
h P
rogr
amm
e (1
980-
1984
).R
ef. A
HE
M G
uide
to C
onta
min
atio
n C
ontr
ol in
Hyd
raul
ic P
ower
Sys
tem
s –
1985
32
LASER CM20 ISO CONTAMINATION CHARTS
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Graphshere
33
LASER CM20 ISO CONTAMINATION CHARTS
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Diagramatic representation only
1. Monitor Block2. Laser Diode3. Optical Scanner4. Changeover Valve5. Dual Direction Syringe Pump6. Flow Probe Device
34
LASER CM20 HYDRAULIC CIRCUIT DIAGRAM
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Repeatability
The Laser CM20 Instrument measures and quantifies individual particles. The sizing andcounting of these particles, which is integrated within a complex electrical package, ensuresa high degree of repeatability.
Calibration
Every monitor is individually calibrated using an accurately determined gravimetric levelof test dust media.
Each channel within the instrument is adjusted to read the number of particles in a prescribedsize range as specified in ISO procedures, thus guaranteeing calibration accuracy.
35
LASER CM20 LOGIC DIAGRAM
LASER CM20 REPEATABILITY AND CALIBRATION
LASER CM20 © Parker Hannifin (UK) Ltd 2004
An Explanation of Laser CM20 diagnostic codes.
36
LASER CM20 DIAGNOSTICS
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Ret
urn
to
Par
ker
Filt
rati
on
UC
C f
or
rep
air.
37
LASER CM20 DIAGNOSTICS
LASER CM20 © Parker Hannifin (UK) Ltd 2004
Err
or 3
.a.
Pow
er to
mon
itor
has
been
disr
upte
d
Err
or 4
.in
suffi
cien
t flo
w r
ate
ofoi
l fro
m P
1 ho
se in
to m
onito
rbl
ock
to fi
ll sy
ringe
pum
p.R
esul
ts a
re s
uspe
ct a
nd a
reno
t mad
e av
aila
ble.
Err
or 5
.te
st ti
me
too
shor
t or
too
long
.
a. U
ncon
trol
led
pow
er d
own
by r
emov
ing
pow
er s
uppl
yw
ithou
t sw
itchi
ng m
onito
r of
f.
b. B
atte
ry p
ower
too
low
.B
atte
ry le
vel w
arni
ng ig
nore
d.
c. B
atte
ry c
onta
ctdi
scon
nect
ed b
y ex
cess
ive
vibr
atio
n.
d. P
ower
sup
ply
conn
ecte
d(1
2V D
C)
whi
le u
nit i
s on
.
a. In
adeq
uate
diff
eren
tial
pres
sure
acr
oss
P1
and
P2
conn
ectio
ns to
cau
sesu
ffici
ent b
ypas
s flo
w.
b. A
ir lo
ck in
mon
itor
bloc
kor
hig
h vi
scoc
ity s
lug
ofoi
l in
bypa
ss h
oses
.
a. M
alfu
nctio
n of
Opt
o-Ta
cho
cont
rol,
caus
ing
flow
to s
top
befo
re p
artic
le c
ount
ing
phas
eco
mpl
eted
. R
esul
ts a
re s
uspe
ctan
d ar
e no
t mad
e av
aila
ble.
Pum
p dr
ive
slip
ping
or
faile
d.
b. D
P to
o hi
gh d
ue to
lack
of
cont
rol o
f flo
w th
roug
h La
ser
CM
20.
diag
3 p
ower
inte
rrup
tion
diag
4 l
ow f
low
in b
ypas
s li
ne
diag
5a
test
tim
e to
sho
rt
diag
5b
test
tim
e to
lon
g
Wai
t for
mon
itor
to r
eset
itse
lf.
Rep
lace
bat
terie
s w
ith 6
x 1
.5V
Alk
alin
e D
Cel
ls(o
r re
-cha
rgep
ack
if re
char
geab
le p
ack
is fi
tted.
)
Rel
ocat
e m
onito
r on
a s
ound
sur
face
(M
ayal
so b
e hu
ng fr
om a
car
ryin
g st
rap)
.
Leav
e un
it to
re-
set i
tsel
f.
i) S
elec
t sm
alle
r si
zed
sens
or
ii) R
educ
e vi
scoc
ity o
f sys
tem
oil
by in
crea
sing
test
tem
pera
ture
whe
re p
ossi
ble.
iii)
Use
Sin
gle
Poi
nt s
ampl
er c
onne
cted
to P
1(s
ee P
arke
r cat
alog
ue fo
r de
tails
).P
urge
the
syst
em p
ress
ure
with
P2
hose
disc
onne
cted
from
sys
tem
.
Car
e sh
ould
be
take
n to
allo
w o
il di
scha
rge
safe
ly a
nd s
houl
d on
ly b
e pe
rform
ed b
y a
com
pete
nt o
pera
tor.
Re-
test
and
if fa
ult r
epea
ts, r
etur
n m
onito
r to
Par
ker
for
repa
ir.
Use
SP
S o
r se
nsor
to c
ontr
ol fl
ow th
roug
hLa
ser
CM
20
38
LASER CM20 DIAGNOSTICS
LASER CM20 © Parker Hannifin (UK) Ltd 2004
LOW
BAT
TE
RY
Rep
lace
bat
terie
s se
e se
ctio
n (4
)T
he L
aser
CM
20 w
ill n
ot c
ompl
ete
am
easu
rem
ent i
f the
pow
er is
insu
ffici
ent.
Err
or 6
.U
nit t
ryin
g to
re-
set f
rom
last
err
or.
Err
or 7
and
abo
ve.
Dis
play
ed a
fter
switc
hing
on,
whi
le m
onito
r is
re-
setti
ngits
elf f
rom
pre
viou
s er
ror
cond
ition
.di
ag 6
lcm
inre
set
mod
e
diag
7 r
efer
to
cm20
sup
plie
r
diag
8 r
efer
to
cm20
sup
plie
r
diag
9 r
efer
to
cm20
sup
plie
r
Leav
e it
alon
e un
til it
has
re-s
et
if it
does
not
re-
set,
i.e. i
t sw
itche
s its
elf o
ffco
ntac
t Par
ker
.
diag
10 l
aser
tem
p to
o hi
gh
All
faul
ts w
hich
can
onl
y be
rec
tifie
d by
Par
ker
and
are
norm
ally
softw
are
diag
nost
ic
Dis
play
ed if
mon
itor
bloc
k ha
sre
ache
d te
mp.
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Peripherals and Serial interface.
Back Panel
9 way connector to RS 232 outputto down load all test data, stored inthe instrument.
LASER CM20 REAR PANEL
LASER CM20 © Parker Hannifin (UK) Ltd 2004
40LASER CM20 © Parker Hannifin (UK) Ltd 2004
Construction: Case-Lexan structural foamand ABS. Hand-held display – ABS. Keypad flurosilicone rubber.
Mechanical Components: Brass, platedsteel, stainless steel and aluminium.
Seals: Viton.
Hoses: Nylon (Kevlar braided microbore).
Hose length: Fluid connection hose 1.2metres (1 metre extensions can be used).Hand-held display cable length 1.0 metres.
Flow Rate: Up to 400 l/min (System 20Sensors). Higher with Single Point Sampler– Consult Parker.
Max. Working Pressure: Up to 420 bar(System 20 Sensors).
Fluid Compatability: Mineral oil andpetroleum based fluids. For other fluidsconsult Parker.
Power: Battery 6x1.5D cells Transformersupply voltage 9-12Vdc. Current 1.5 amp.Jack plug connection positive centre.
(Plug not supplied)
Fuse: 1.25 amp fast blow fuse included foroverload protection.
LCM20 Technology: Unique opticalscanning system.
Size, Measurement and Ranges: 2+, 5+,15+, 25+, 50+ and 100+ micron.
Analysis Range: ISO 7 to 22 inclusive.(NAS 0-12 inclusive).
Calibration: Each unit is individually testedand calibrated in accordance with ISOprocedures.
Repeatability/Accuracy: Better than 5%(typical).
Viscosity Range: 2-100 centistokes (500cStwith SPS).
Max. Operating Temp: +5°C to +80°C.
Environmental Temp: +5°C to +40°C.
Test Completion Time: 2 minutes.
Computer Interface: RS232 @ 9600 baudrate.
Laser CM20 Weight: 8 kg.
LASER CM20 SPECIFICATIONS
41LASER CM20 © Parker Hannifin (UK) Ltd 2004
Installation Details
LASER CM20 SPECIFICATIONS
42LASER CM20 © Parker Hannifin (UK) Ltd 2004
System 20-Sensors
LASER CM20 ORDERING INFORMATION
LCM20.2021/2023 LCM 6 Channel (including carrying case and kit). ACFTD Calibrated
LCM20.2022/2024 LCM 6 Channel MTD Calibrated
43LASER CM20 © Parker Hannifin (UK) Ltd 2004
Always ensure:
• Sensors are installed correctly
• Sensor connectors are correctly tightened
• Adequate oil flow
• Steady state pressure conditions
• Oil viscosity is within working range
• Trend monitoring is performed under similar working conditions
• Correctly stowed hoses to avoid fluid spillage
• Sufficient paper supplies for hard copy printer
• Handle Laser CM20 with care – Instrumentation product
• Re-order spares in advance
• Calibrated within Parker recommendations
LASER CM20 OPERATION CHECK LIST
44LASER CM20 © Parker Hannifin (UK) Ltd 2004
LASER CM20 AGGRESSIVE FLUIDS MONITOR
To expand further the applications possible with Parker’s Laser CM20 particle countingtechnology, we are now able to offer a version of Laser CM20 utilising ISOLAST dualseal technology.
Calibrated in accordance with ISO procedures, on a specially commissioned Skydrolcalibration rig. The LCM20.2061 offers the user all the features and benefits of the alreadyproven and world-wide accepted Laser CM20 technology.
By using LCM20.2061, civil aviation hydraulic servicing operations can now parallel thecost and time saving already demonstrated in the military aviation industries.
*Ref.; Parker Technical Update UC.TU.9303.
THIS PRODUCT IS COMPATIBLE WITHBOTH MINERAL AND AGGRESSIVE FLUIDS.
AVOID CROSS CONTAMINATION BYFLUSHING THIS MONITOR.IF IN DOUBT CONTACT PARKER.
NOTE:
Some oils may be classified as Phosphate Esters, but may not be aggressive.If in doubt with fluid/seal compatibility, consult Parker
45LASER CM20 © Parker Hannifin (UK) Ltd 2004
Features:
• Isolast seals throughout.
• Totally compatible for Aggressive Phosphate Esters (e.g. SKYDROL LD4/500B)
• Red control valve knob and hand set keys for easy identification against standard LaserCM20 units
• High Technology, fused optical windows for high particle definition
• Available with complete range of sample extraction options (e.g. System 20 Sensors or Single Point Sampler)
• 5/8” BSF HSP Hose fitting
• Parylene treated for additional protection
LASER CM20 AGGRESSIVE FLUIDS MONITOR
System 20-Sensors
Industrial Sensors – sizes 0, 1 and 2
46LASER CM20 © Parker Hannifin (UK) Ltd 2004
LASER CM20 AGGRESSIVE FLUIDS MONITOR
LCM20.2061/2063 Laser CM20 ‘Aggressive Fluids’ ACFTD Calibrated
LCM20.2062/2064 Laser CM20 ‘Aggressive Fluids’ MTD Calibrated
Part No. Description Qty.
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