Lutron Electronics DT-2234BL User manual

LASERPHOTO
TACHOMETER
Model: DT-2234BL
Yourpurchaseofthis
LASERPHOTO
TACHOMETERmarksa
stepforwardforyouinto
thefieldofprecision
measurement.Although
thisTACHOMETERisa
complexanddelicate
instrument,itsdurable
structurewillallowmany
yearsofuseifproper
operatingtechniquesare
developed.Pleaseread
thefollowinginstructions
carefullyandalwayskeep
thismanualwithineasy
reach.
'SGS
UKAS
OPERATIONMANUAL

TABU* Ol< < >NI l-NTS
1. FEATURES1
2. SPECIFICATIONS1
3.FRONTPANII Ml' •< I III'IK>N3
3-1ReflectingM.uK3
3-2LaserLightBeam3
3-3Monitorindicate>i3
3-4Display3
3-5MeasuringButton3
3-6MemoiyCallMutton3
3-7BatteryCompartment3
4. MEASURINGPROCEDURE4
5.OPERATIONITKX)lI )lIIIII « >l I MlMORYRECALL...4
6.BATTERYHII'IA<I MlI 11 4

1. FEATURES
' I r.ii|ji.hidetectingsource,longmeasuring range upto2
meters, il is usefulinthe RPM measurement application
win K i he machine would bea risktotheoperatoror
i |i ill HI ess is difficult ornotpossible.
' Wild measuring range from10to100,000 RPM, 0.1
Iv I'M resolutionforthemeasuredvalue< 1000 RPM.
' Mn n '|'n nvssorbasedcircuit,crystaltime base, high
|MI ' i ilon with 0.05%accuracy.
High visible LCD displaygives RPM readingexactly with
nci iiigorerrors& saves batteryenergy.
+
M v with recallfunction,thelastvalue,max.,value,
inni ihu will bestoredintothememoryautomatically.
' I In ini'Idurable,longlastingcomponents,including
i nil- lightweight ABS plastichousing, assures
-11111-i in.nntenance freeperformanceformanyyears.
2. SPECIFICATIONS
Dlaplny 15 digits, 10mm (0.4") LCD,
with function annunciation.
Mi •.i 1111 • 111' • 111 & Range 10to 99,999 RPM.
II.. iliillnn 0.1RPM( < 1,000RPM).
1 RPM( > 1,000 RPM).
A' i niI ± ( 0.05% + 1 digit).
1

Detecting
distance 50
- 2,000 mm typically.
* Sp»o. o(d0t0ctlng distance are that under
th>> •<.'" . <tiollo, tiini i.ipe is 10 mm square
X in,' mo.i •u,,n,, HI 'M value is 1,800 PPM.
Iho ni.t* ,lolo, lin.i Jr.I.nice may change
umloi dittoionl ••muonment, different
iotl», tnuit.ipoKi tho measuring RPM
hoy, 'it, 1 IIH mi'KM
Laserlight
source
- 1 th.in1 mW
* Clast 2 laaardiode.Red.Wave
length la H4G nm approximately.
Timebase
Ou.ul i lyitt.tl, 1 I'MMHz.
Circuit Exclualvooiif
' hipof microcomputer
LSIcircuit
OperatingTemp. 0 - 50"C(32 - 122 °F).
OperatingHumidity I
«>•;•! th.in HO".. Mil.
Memory Last/ M<tx. / Mln. ... value.
Battery •1
x t.GV AA(UM -3) battery.
PowerConsumption Approx.
DC20mA.
Size hid
x r.' K M mm
(7.5 x 2.8x 1.5 inch)
Weight
n(0.55lb (/includingbattery.
Accessories
Included Carrying
case1PC
Iti'lli'i in.<| l.ipc marks
(600mm) 1 PC
I >iloratli'I.manual 1PC

3I HON I PANELDESCRIPTION
3-1
3-2
I3-7
Fig. 1
3-1ReflectingMark3-5MeasuringButton
3-2LoserLightBeam3-6MemoryCallButton
3-3MonitorIndicator3-7BatteryCompartment
3-4Display
3

4. MEASURING I'lioci Dllltl
Apply a reflecting markI"the1 >I'|< Ctb( nil' measured.
Depress the " MeasuringButton " I I -3, Fig. 1 ) & align
the" LaserLightBeamM| * t,FI|I | withtheapplied
target. Verily thaithe " MonitOIIndlintoi " (3—3,Fig. 1)
lightswhen the target pal • through lh< lighl beam.Release
the " Measuring button " wh(n thi r< ndlng stabilizes ( about
2seconds).
CAUTION :
IASERRADIATION -
DO NOT STAREINTO
I ASIR 111AM
' « I.INS IIlaiei products.
Note :
If the measured ui'M i I/UI It very i<>w, tor example
less than 50 RPM, "H OUtBIt to attach more
"Reflecting Maiks" to tin -•/»/. < / average. It will get
the real lil'M with high molution, precisely & fast
sampling time when dl\ "/<«'" ading values by the
no. of the " M.nks "
4

5. OPERATIONPROCEDURE FOR MEMORY
RECALL
I)The readout of"lastvalue","max.value"& " min.value"
can!«'obtainedimmediately& memorizedintothe
l Innil.nitomaticallybeforeturningoffthe" Measuring
Button ".
>
» Max value
lltplay
/ \ • Las' value
lltplay
/ \ /
ir.iilnig
/ Min value
>
MeasuringTime
2)When finish themeasuringprocedures( after release the
miOilg button),thememorizedvaluescanbedisplayed
mi theI CD displaywhenever:
.11/ iisi push the "Memory Call Button " (3-6, Fig. 1) -
To displaythelastvalue(" LA" andthe"lastvalue"
will bedisplayedalternately).
I' i Si K ''/«/ push the "Memory Call Button " -
l •' display themaximumvalue("UP " andthe " max.
Vfllue " will bedisplayedalternately).
I ) Third push the " Memory Call Button " -
I •' display theminimumvalue("dn" andthe"min.
VQlue " will bedisplayedalternately).
5

6.BATTERYREPLACI MlNl
1) When the LCI) display appeal " I.()",ilis necessary to
replacethebattery,HoweveiIn ipec measurementmay
still bemadefol several llOUri ill' i lowbattery indicator
appears be lbre the in.stiuincnl br.ome inaccurate.
2) Slidethe"Battery Cover" I I / Pig] )awayfromthe
meter andremovethebattiriiI
3) Replace willi newbattl I II I ectly intothebattery
compartmenl and riInitatithicovii
0011-DT-2234BL