background image

Anoth

3.4.  SET

To  activa
noise exp
reference 
Measurem
running m
time indic
duration. 

 

WARNING
automatic
infinite.  E
zero at ind

 

The  expo

completion
L

AEX, T 

is re

Recently p

to be edite

To edit se
digit is to b
press  

k

her predefi

TUP TIME

te  this  m

posure tim

time), date

ment  dura

easureme

cation (dis

G!  When 

c stopping

Elapsed  t

dication 1

osure  time

n. 
e-calculate
preset valu

ed. When s

elected me

be change

key to conf

ned sets o

E menu 

menu  press

me (necess

e and time

ation  (a.k

nt is autom
played on

 measure

g  of  mea
time indic

00:00:00.

 

e  may  b

ed automat

ues are dis

selection is

enu positio
ed, then us

firm setting

of results a

s  TIME  k
sary to c

e for real-tim

.a.:  integ

matically s

n RESULT

ement  d

asuremen

ation (dis

e  set  be

tically after

splayed on

s done pre

on use arro

se  

and

g. The instr

 

re shown o

 
 
 

key.  It  en

calculate  n

me clock b

ration  tim

stopped. T

TS menu s

uration  i

nt  is  disa

played on

efore  mea

r exposure

n the scre

ss  

key

 

ow keys. P

 key to

rument ret

 
 
 

on the figu

nables  to 

noise expo

built in the i

me)  is  th

his time in

screen) is

s  set  a

abled  an

n RESULT

asurement 

 time chan
en. Press

to enter ed

Press  

o

set desire

urns then t

i

res below:

preset  m

osure leve

instrument

he  time  

nterval is r

 equal to 

t  99h  59

d  measu

TS menu s

 begin  or

nge. 

 or 

 

dit mode. 

 

or  

key 

d value. A

to SETUP 

info@tursdaletec

 

measureme

el L

AEX, T 

t. 

interval  a

reached wh

preset  m

9m  59s 

urement  d

screen) is 

r  after  m

key to se

to select 

After editing

TIME men

chnicalservices.co

 

3

nt  duratio

 

for pres

after  whic

hen elapse

measureme

 (99:59:59

duration 

then set 

measureme

lect positio

place whe

g completio
nu. 

 
 

o.uk

 
 

35

 

on,  

set 

ch  

ed 

ent 

9),  

is  

to 

ent  

on 

ere 

on 

Содержание DSA 50

Страница 1: ...Technical Services Ltd Unit N12B Tursdale Business Park Co Durham DH6 5PG United Kingdom Phone 44 0 191 377 3398 Fax 44 0 191 377 3357 info tursdaletechnicalservices co uk http www industrial needs co...

Страница 2: ...T 24 2 1 Control keys 24 2 2 Input and output connectors of the instrument 25 2 3 Default instrument settings 27 2 4 Preparation of the instrument to operation 27 3 OPERATION 28 3 1 Instrument data pl...

Страница 3: ...the instrument 45 5 4 Warranty 46 5 4 1 Complaint instructions for the purchaser 46 5 5 Maintenance and repair 47 6 CE MARKING AND CONFORMANCE TO EU COUNCIL DIRECTIVES 47 Appendix A Filter characteris...

Страница 4: ...sting measurements without need of battery recharging Internal battery allows for at least 24h continuous operation of the instrument provided microphone heating is turned off External battery or main...

Страница 5: ...model SM rain cover model OK windscreen with anti bird spikes model TOP microphone holder To assemble weatherproof microphone proceed as follows Fasten the part 2 of microphone holder to microphone ex...

Страница 6: ...accessories step 3 7 Fig 1 5 Assembling of weatherproof accessories step 4 Fig 1 6 Completely assembled weatherproof microphone WK 21WP 1 3 System configuration Basic configuration DSA 50 digital soun...

Страница 7: ...m RMS I time weighted sound level LXImx maximum RMS I time weighted sound level LXPk current peak sound level LXMPk maximum peak sound level LXeq time average equivalent continuous sound LXeq1s time a...

Страница 8: ...cy weighting is selected among from three available weightings A C and Z and when one time weighting is selected among from two available weightings F and S L current RMS sound level Leq time average...

Страница 9: ...Hz Microphone reference direction microphone symmetry axis microphone reference point microphone diaphragm centre reference orientation sound wave arriving from reference direction reference temperatu...

Страница 10: ...ating turn ections for ent case fr ween WK 2 uator respo y age of inte me battery ned off effects of ree field 0 1 micropho onse expa ernal batter y fully reflection incidence one free fie anded k 2 N...

Страница 11: ...field correction for WK 21 microphone 0 incidence Table below and Fig 1 8 show typical free field frequency response of WK 21 microphone relative to its sensitivity at 250Hz together with maximum per...

Страница 12: ...WK 21 microphone 1 5 1 Specifications for SLM mode Frequency weightings A C Z AC electrical output sine 1000 Hz weighted frequency response A Z FSD output voltage for level range 14Vp p maximum output...

Страница 13: ...eighted sound pressure level not activating overload indication See table below Total range for LA sound level and LAeq time average sound level 18 13 dBA Total range for LCPk peak sound level 40 Exte...

Страница 14: ...cy weighting 19dB at Z frequency weighting 25dB measured with WK 21 microphone installed at A frequency weighting 19dB at C frequency weighting 24dB at Z frequency weighting 27dB 1 5 2 1 1 octave anal...

Страница 15: ...und level L and time average sound level Leq analyzer Extent of measurement range for LASmx maximum sound level and LAeq time average sound level criterion values 17 135dB Extents of measurement range...

Страница 16: ...p maximum output voltage 22Vp p output impedance 1k load impedance 10k Time weightings SLOW FAST Extents of measurement range at specified level range and frequency weighting for time weighted sound...

Страница 17: ...info tursdaletechnicalservices co uk 17...

Страница 18: ...info tursdaletechnicalservices co uk 18 Self generated noise measured with electrical input facility installed...

Страница 19: ...info tursdaletechnicalservices co uk 19 measured with WK 21 microphone installed...

Страница 20: ...determined for continuous 10Hz sine signal measurement error extended by expanded measurement uncertainty is less than 1 1 dB Self generated noise measured with electrical input facility installed at...

Страница 21: ...Influence of humidity 0 8dB Influence of vibration see Appendix C conformable to EN 61672 1 2002 specifications maximum when microphone extension cable is parallel to field direction Influence of elec...

Страница 22: ...info tursdaletechnicalservices co uk 22 Influence of windscreen at 0 incidence See table below and Fig 1 9 Fig 1 9 Influence of OP1 2 windscreen...

Страница 23: ...info tursdaletechnicalservices co uk 23 Influence of weatherproof screen for 0 incidence See table below and Fig 1 10...

Страница 24: ...T DSA 50 digital sound analyzer can be controlled either by instrument keyboard or by PC via USB interface 2 1 Control keys Instrument keyboard contains following keys power switch function keys MEMOR...

Страница 25: ...connectors of the instrument The layout of input and output connectors of the instrument is shown on Fig 2 1 and Fig 2 2 The instrument is equipped with following input and output connectors LEMO EGG...

Страница 26: ...info tursdaletechnicalservices co uk 26 GS2 2 analogue AC electrical signal output connector MJ 14 external power supply connector with 2 1 mm diameter central pin...

Страница 27: ...use setup previously recorded after turning instrument on open MEMORY menu and load the content of previously filled memory cell 2 4 Preparation of the instrument to operation Screw WK 21 measurement...

Страница 28: ...s far insufficient to show results obtained for all measured quantities it is necessary to select results to be currently displayed Detailed description of the method of selection of results to be dis...

Страница 29: ...strument alyzer mode ng in 1 3 o In SLM m 1 1 octave usly In infr easureme or off in all state pres ation on ac arrow nt results a ss arr lected In is selected ent are cle AC signal e octave ana mode...

Страница 30: ...for instrum of seconds per inscript ndicated s the icon d as follow Fig mode results ar being in us ch operati overload h ator On Of dicated ring last se er measur ed If disp umber Add is disp rument...

Страница 31: ...is dis F time weig s the selec rnal power ed off It is or disabling ared meas simultaneo ults To en yed When ange of dis key to sel ted line fo terest Pre t modificat splayed ne ghted soun Q an ction...

Страница 32: ...lly ents measu results res s selected zer 1 2 or 3 ing signal y near low ured signa sults set n are show 3 is displa level in on wer display al power su no 4 is av wn below ayed then ne of frequ y bor...

Страница 33: ...el indic ults are sh zer mode ve cursor selected hat wider ds esults set nts is avai sults set r state ba al level ind portional t cator mak hown on the e to select band is d marked no 4 con lable no...

Страница 34: ...filter mode Analogue signal level indicator is displayed near lower border of display screen Its deflection is proportional to G frequency weighted S time weighted sound level LGS Analogue level indic...

Страница 35: ...et be tically after splayed on s done pre on use arro se and g The instr re shown o key It en calculate n me clock b ration tim stopped T TS menu s uration i nt is disa played on efore mea r exposure...

Страница 36: ...ct fil s of last m ss any fun Changed to select perating mo g to given e analyzer e analyzer mode ter then p easureme nction key d number t filter to b ode select filter is spe r mode r mode press ke...

Страница 37: ...ge rner of th ata are s esults in s results can g mode e of measure key To of measure sible only gether with loading th trument op cell the m he number est The sta he screen aved then selected m n be...

Страница 38: ...1s these mea ting mode orded It is story is di histories ca nly when m ange its s ent Meas storing a should b near lowe to cancel mory then t recorded in ed quantiti ing of me ime interv s 5s 10s asu...

Страница 39: ...co elapsed interval the same s for frequ F time weig F time wei S time weig S time wei time weig I time weig peak level ge sound ntity to b lected num al dashes a umber bsequent m n press ned on the b...

Страница 40: ...terval is ta X in subsc F time wei S time wei ge sound ntity to b lected num al dashes a umber de rd values since las ken since cript stands ighted RMS ighted RM level be record mber pres are display...

Страница 41: ...lected num al dashes a umber de to record v apsed sinc erval is tak s S G frequ MS G frequ ak sound le weighted ti ntity to b lected num al dashes a umber de values of 1 ce last reco ken since m ws X...

Страница 42: ...aring menu rmation o y is recorde r entire m n memory ta the mes key To AST MEAS pressing with result cannot be on numb ed in mem memory or y sage NO D o enter sel SURE is key A ts set rece e reversed...

Страница 43: ...in memo of cell to b eft border r key to ment his ry recorde ory be cleared of the scr o clear all c tory d press d press reen Whe cells press key To or ke n desired s to can clear enti i ey Measur ce...

Страница 44: ...o trument is cted to its stalling mi to avoid un ne against e to conne oid improp MO plug is ng of all da TH CO h battery p together w tains follow s based PC are in PDF allation in P uments wnloadin...

Страница 45: ...perfor or for DSA ed sound s Another so vel and fre is perform of the instr the microp plifier equip ect perfo e to its sup or its mic uring to humidity e heater T internal b ternal pow u at each 12 h...

Страница 46: ...ONOPAN warrants this instrument to be fulfilling the specifications given in Instruction Manual to be working correctly for 12 months from purchase date in 24 months from date the instrument was produ...

Страница 47: ...scribed in this instruction conforms to following EU Council Directives 89 336 EEC Electromagnetic compatibility The conformance to above mentioned requirements is confirmed by CE mark This product ca...

Страница 48: ...info tursdaletechnicalservices co uk 48...

Страница 49: ...info tursdaletechnicalservices co uk 49...

Страница 50: ...info tursdaletechnicalservices co uk 50...

Страница 51: ...info tursdaletechnicalservices co uk 51 Appendix B Directional responses...

Страница 52: ...info tursdaletechnicalservices co uk 52...

Страница 53: ...info tursdaletechnicalservices co uk 53 Appendix C Sensitivity to vibration...

Страница 54: ...res will find a visio ustrial needs com s instrument s powder fl Fig C 3 n of the measur m measuring in doesn t have ammable ga 3 Sensitivity rement techniqu nstruments htm e ATEX prote ases of DSA 50...

Отзывы: