_iz___e:2-1/2 × _-1/2 x 2-1/8 inche._ with extended back cover to
8 hlehes.
Weight: 10 ounces
Construetim_; Solid slate integrated circuitry in rugged alLinl-
inLlnl hoLIsJllg,
*The ]'_S'I' l'espollse of tile 2] 5 meter meets tile requirelllellts
for type 2 meters in ANSI $1.,I-I971. 'rhe Pl|-35 tdecLmnie FAST
£OS]3OllSe Illeets _hu IllO1'e strillgel]_ i'espo) ,_e l'eq r_l le ]t ['oi" Lypo 1
instruumnts and the IEC Ro179A £o1' pri!ci.qion meters. The PII-35
aetua]]y has a slightly faster response Lhan the 215 ineter nlovenlenl.
CONTROLS
FAST-lEG IMP-IMPACT Mode Switch -- A 3-position slide
swiLeh to S(!]e_:t thl., l'espollse mr)de to I)e held : fast response, rms pOllk,
1EC im])ulse rms peak, or OSIIA type impact (absolute peak).
RESET Switch -- ,'_ inmnenLary push [)uttor_ switch located
ne×t to the Mode switch. Depressing the button will discharge Ihe
hold cil'ctdt lind [_IltlSo[lie meier reading to drop to the iltlll)ienL level.
+lOdB Switch -- A momentary push button switch located oil
the aide of the instrument. Depressing the switch *×tends the rlll_ge
of tile instrument hy lOdB. 'rllis allows tile operator to read levels up
to lOdB l)eymld tile full scale l'iInge selected on tile °15 for events
which resll]_ ill ,q gro_tter th[ln ftdl sell]e meter r[!llding.
[_:_terllIt] ('_'OlllleCtl)l' -- A six-pin eOllllectar provides electrical
irLterfaeo with the 215 Sound Level Meter. The pins of this Collneet[31'
are identified ill the following di_lgrlurL:
{9 volt input) V+ -_-_.. !_ V, IS veil ielputl
CUmnlon L _ J Signal Inpul
NC i NC
_--- Fac0 o[ PH-35
Figure 14. ExternalConnector Pins A_
PRINCIPLES el '_OPERATION
The P11-35 Peak-Hc)]d l_lodLde is de._igned to
ll][oW _lCCLlrZlte IllellSLli'ellle11L or iTllr_tdsive IlO[_O
and impacts (plmks) as well as to hold ii fast
respoz_se reading on the Sound Level Meter to
give [m Ol]oi*lltor 111oI'_' til%le to l*e_Id lloJse [e',,l!]s
I*or stteh oL_etlrrenees ;Is yellJe]e plms-l)y luld Ilir- Figur0 15,
craft fly.over. 215.35 Peak-HoldMaler
20
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