A440-010
December, 2005
2.0INSTRUCTION FORSAFEUSE
TheD-2JF-1AConductivityMeterreadsconductivityinpicosiemens/meter,fuel
temperatureinITS-90 degrees C,andfullycompensatedConductivityinpicosiemens/
meterperASTMD2624,AppendixX2inliquidfuelsandsolvents.Thesensorcanbe
usedina2wire4-20mA industrialcontrollooporinconjunctionwithaserialinput
deviceusingRS-232 IEEE StandardASCII SerialInputData.Optionallya2wire(4-20
mA)temperatureinterfacecanbeaddedtoallow remotemonitoringoffuel
temperature.
WARNING:
Immediately switch
off
the sensorin the
case
of
emergency!
Until thesensorisfully installedin afilledproductlinedo
notenergizesensor.
When
using
the sensor
to
measure combustible media,
obser
ve
the r
egulations
concerning transport and
storage
of combustible liquids
.
Observe
applicable
national
r
egulations
for installation abroad.
Only Exdapprovedcableentry devices(e.g.cablegland)shall
beused, withtheapparatus.
Sensorisintendedforuseinproductlineswheretheabsolute
maximumphysicalconditionsdonotexceedthespecifications
listedin Section6.0.
CAUTION: Sensors must be
accessible
at
all
times
to
facilitate operation
and
maintenance.
Do not obstruct or block clear
access.
Only
specially
trainedand
authorized
persons
are
permitted
to
maintain
and
repair
JF-1A Sensorsandtheir
peripheral
equipment.
Always
depr
essurize
the liquid end first befor
e
carr
ying
out
any
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