MODEL 215
!
SOUND LEVEL METER
, b
G P_NI_I{AL I)ESCRIPTION
! The Quest Model 235 is a get_eral pur_
i
I pose soulld level meter that conveniently Elnd
_,i ncettrately nleastlrcs sound il_ virttl_llly [lily en-
• virotlrnent: industry, transportation, construc-
,j
tion, mining, nirport -- anywhere there is
noise. Calil)ratiol_ or" audionleters is also _l
primary use, The 215 is designed to r4_0et or
excec'd ANSI Stlmd_trd $1.,I-lt,)71 for type 2
: r _ instrunlelltatiola and IEC-R123. The unit has
i a dyllamic range from 30 to 1,10dB (re
20pN/M2). It cnn he ltsed with the Mndel
:t
! OH-,15 Octave Balad Filter to form the Octavo
Hand Analyzer. hlodel 215-,15 and with the
,i P11-35 Peak Ilold Module to form the I)enk
Hold Meter. Model 215-35. ,\ linear (flat) re- Fi!tur01.
': si)onse selection is providedas well as A, B, nnd
i C weighted scab,s.
The 215 meter has a fixed microphone configttratiotl mottnted
' _ directly to tile top of the unit. The 215 is also awdhd)le with remote
• microphot_e capal)ility which is denoted by the letter "1]." at tile t_nd
'i of tile meter model number, ie., 2151_., ltemotc microl)hono capa-
'_ bility must I)e built into the meter during n_anufacture. ,\ mating
: cotlnector is incorporated il'_tile r(!movahle part which also includes
i tile nlicrophone and pr(-,-aml)lifier. Because tile pro-anap is effectively
_! al_ iml)edtlllce reducer, all:,, length of microohol_e ettble up to 100
i feet can I)c used without affecting the overall aceur_lcy or perfor,
, nllttlee of the 111oi,o1'.
SI_I,,'CII,'ICATIONS
Sound Level l(ange: 30 to 1,10 dli (re 20,uN/M2). Sound Level
.'. Meter is accurate to within 1,0 dB up to 1,16 dl_ SPL without nota-
ble distortion. Maximum readal)le dh_ as a function of weighting
_letwork vs. frequency is reduced I)y the decihel difference between
Flat (Linear) respotlse and tile dl] level o£ tile wei_htil_g curve vs,
freqtleney,
1
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