REV F 07/11/17
INTRODUCT
Mod
Models, the 5
Model 3122C
temperature
3122C2 has
Both models
hermetically-
welded const
housing and
The
dense tungst
the piezoelec
preload screw
This is so the
between mas
linearity low a
DESCRIPTIO
FIGURE 1 C
Figu
of Models 31
preloaded ag
acceleration
piezo crystal
acceleration
INSTALLAT
Both
use of a prov
stud. To mou
drill and tap a
depth of .150
7
MODE
TION
el series 3122
50 pC/g Mode
C2. Model 312
limit of +375
an upper tem
feature herm
-sealed 10-32
truction. The
base is 316L
seismic mass
ten alloy, is tig
ctric crystals b
w under hund
ere is absolut
ss, crystals an
and the natur
ON
CROSS SECT
re 1 is a repre
22C. The sei
gainst the piez
into the base
s giving accu
to charge out
ION
h Models are d
vided 10-32 M
unt the 3122C
a 10-32 moun
0 inch minimu
L 3122C CHA
2C consists o
el 3122C and
22C has an u
ºF, while the
mperature limi
metic sealing b
2 connectors a
metal used fo
L stainless ste
s, made from
ghtly preloade
by means of a
dreds of poun
ely no relative
nd base keep
ral frequency
TION OF MO
esentative cro
ismic mass is
zo crystals so
e is transferred
rate transfer
tput.
designed for m
Model 6200 m
C/C2, it is nec
nting hole to a
um perfect thr
OPERATI
ARGE MODE
of two
d the 15 pC/g
upper
e Model
t of +600 ºF.
by use of
and laser
or the
eel.
a very
ed against
a special
nds of force.
e motion
ping the non-
high.
DEL 3122C
oss section
s heavily
o the
d directly the
from
mounting by
mounting
cessary to
a minimum
read in the
NG INSTRUC
E HERMETIC
center
inches
select
inch dia
As a ru
surface
be. A s
results
torque
applyin
OPERA
to use
the cha
accele
signal w
acquis
connec
and ev
noise c
10-32 t
BNC. (
use is t
conver
Mode (
betwee
conver
charge
fixed se
Again,
to the i
MAINT
the cab
other c
contac
shootin
returnin
necess
factory
Return
CTIONS
SEALED AC
of a circular m
in diameter.
To install M
(or prepare) a
ameter moun
ule of thumb,
e, the better t
surface flat to
for the high f
Use the pro
the 3122C to
ng the torque
ATION
To operate
an electrosta
arge mode ou
rometer to a l
which may th
ition instrume
For laborato
cted to any vi
ven with most
cable such as
to 10-32 or th
(xx is the leng
A recomme
the Dytran Se
rt the 3122C t
(LIVM) operat
en the 3122C
rt the pC/G sig
e amplifiers ar
ensitivities of
use low noise
nput of the ch
TENANCE AN
The only ma
bles and conn
contaminants.
t the factory f
ng the system
ng the instrum
sary.
Do not retur
y without first c
ed Material A
CCELEROME
mounting surf
odel 3122C,
a flat surface
nting surface o
the flatter the
he high frequ
.001 TIR will
frequency me
ovided mounti
o 20 to 25 lb-i
to the .50 inc
Model 3122C
atic charge am
utput signal fro
low-impedanc
en be fed dire
ent(s).
ory use, the 3
bration type c
electrostatic
s the Dytran M
he Model 6019
gth in feet).
ended charge
eries 4751B. T
to Low Imped
tion. They are
and the LIVM
gnal to mV/G
re available in
50, 20, 10 an
e cable to con
harge amplifie
ND REPAIR
aintenance re
nections free
. Should a pro
for assistance
m and for instr
ments should
rn the instrum
calling the fac
Authorization
ETER
face of at leas
it is necessar
to accept the
of the instrum
e mounting
uency respons
give excellen
easurements.
ng stud and
nches of torq
ch hex.
C, it is necess
mplifier to con
om the
ce voltage-mo
ectly to the da
3122C may be
charge amplif
types. Use a
Model 6013Ax
9Axx, 10-32 t
amplifier for f
These instrum
dance Voltage
e mounted in-
M power unit
. These minia
n four models
nd 1 mV/pC.
nnect the 312
er.
equired is to k
from moisture
oblem arise,
e in trouble-
ructions in
this become
ment back to t
ctory to obtain
(RMA) numbe
2
st .50
ry to
e 0.44
ment.
se will
nt
ue,
sary
vert
ode
ata
e
fier
low-
xx,
to
field
ments
e
-line
and
ature
with
22C
keep
e and
the
n a
er.