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New CTC Hazardous Area
Products:
Small Sensors, Multi-axis Sensors and
Vibration with Temperature Sensors
Manyfactoriesandmanufacturingfacilieshaveareaswhere
ammable gases or dusts may collect in concentraons
where the possibility of spontaneous ignion can occur if a
spark or heat source comes in contact with the ammable
material.ForareaslikethisCTCdevelopedourhazardousand
intrinsicallysafeseriesofsensorsmanyye
ar
sago.Overme,
with the introducon of new styles and capabilies in CTC’s
sensors, our customers requested that we make these im
provementsavailableforhazardousandintrinsically saferat
edareasaswell.
Small
Sensors
The new
small sen
sors include
bothto
pexit
and side exit
versions for
both Class 1
Div. 1 (AT
EX
Zone 0), the
AC970and
AC974 series
sensors,and
Class 1 Div. 2 (ATEX Zone 2), the AC940 and AC944 series.
Integralcableversionsareavailableforallthesensorsinthis
category. With nominal outputs of 10
0 mV/g these sensors
aresuitable fo
rmost applicaonsthatcouldbeencountered
inrated areas.CablesforusewithDiv.2sensorsrequirethe
useoftheJ2QminiMILconnectors.
Mul‐axisSensors
Some safety engi
neerswanttolimit
the numbers of
cables that are
ulized in ra
te
d
areas. For situa
ons�� like these
mul‐axis sensors
with the proper
rangscanhelpan
analyst obtain up
to three axes of data through one
cable.Onethingtonote, inClass1
Div.1orATEXZone0,whereener
gy liming barriers are required,
one barrier is required for ea
ch
axis. The
AC979 biaxial sensor se
ries and the AC980 triaxial sensor
series are suitable for these appli
caonswithbarriers.InClass1and
2Div.2areastheAC949biaxialand
AC950�� triaxial sensors should be
used with properly rated m
atching
cables.
DualOutputVib
raonwith
TemperatureSensors
Many analysts are familiar with
CTC’s standard dual output vibra
on with temperature sensors.
Now available as our TA9xx series
dual output sensors, the sensors
areavailableforbothhazardousandintrinsicallysaferatedare
asinboth10mV/gand10
0mV/gversions.
NewCable/Co
nnectorCombinaons
In order to comply with hazardous area regulaons, specic
parameters must be met by cabling and connectors used in
these areas with the properly rated sensors. Our exisng two
conductor CB190 cable is suitable for applicaons requiring
only2conductorsbutwasno
tsuitableforth
enewTA9xxseries
sensorsorforusewithbiaxialortriaxialoerings.Tollthisgap
wenowoerCB191threeconductorcableandCB192fourcon
ductor cable. New connectorswere also required, D3Q for the
biaxial and dual output sensors, J2Q for the small miniMIL
A
C94
0/944sensorsandJ4Qconnectorsforthetriaxialsensors.
If you have any ques ons or for further informaon feel
freetocontactCTCviaEmailtechsupport@ctconline.com
orcall18009995290in the USandCanadaor+1585
9245900internaonally
.
© 2015 CTC, Inc. All Rights Reserved
Figure2–TriaxialATEX,IECEx,andClass1
Div.1CSAratedsensor.
Figure3—NewTA935sen
sor,dualvibraonandtem
peratureforC1D2
Figure4‐J2Qconnectoronle,J4Qconnectoronright
Figure1–SmallsingleaxissensorsforC1D1or
ATEXZone0use.