Miller Nitro 7310 - Flow Meter Sensor; Flow Meter Calibration

7-MAINTENANCE
Flowmetersensor
1.Removebolt(1)andwasherholdingcablestrainrelief
(2)onowmeter.
2.Loosenlocknut(4)holdingsensor(3).Unscrewthe
sensor(3)fromtheowmeter.
3.Cleanthreadsonowmeterandinstallnewsensor
assembly.
4.Sensormustbeadjustedtoinsureproperoperationof
owmeter.Threadsensor(3)downintoowmeteruntil
itreachesthebottomofthehole.
5.Loosenthesensor(3)(nomorethan1/4ofaturn)until
thescribemarks(5)ontopofthesensorareparallel
withtheowmeterbody.
6.Holdsensor(3)inthispositionandtightenlocknut(4).
Replacecablestrainrelief(2),washer,andbolt(1).
Tightenbolt(1)tosecurestrainrelief(2)intoposition.
RCPH11BEN050AAM1
RCPH11BEN051BAM2
Flowmetercalibration
NOTE:Forowmetercalibration,refertoMILLERISOproductcontroloperationmanual.
Specicationsbasedonwater
RFM100P Flowmetersize
Metric
U.S.
Pressurerating1034kPa150psi
Normalowrate11–379L/min3–100USgpm
kPa/PSIdrop379L/min=28kPa100USgpm=4psi
Maximumowrange11–946L/min3–250USgpm
MayreduceowmeterlifekPadropat946L/min=172kPaPSIdropat250USgpm=25psi
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