GE RHM 30 User manual

RHM 30
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Applications
•Generalcontrol•Dosing•Mixing
•Batching•Injections•Filling
Features
•Suitableforpressureupto490bar
•Flowuncertaintydownto0.15%
•Densityuncertaintydownto0.5%
•Repeatabilitybetterthan0.05%
•Uniquetorsionoscillator
•Typicalmeasuringrangesfrom7.5to750kg/min
•Minimalowsaslowas5kg/min
•Optimizedsolutionsforbatchingoperation
MediumSizedCoriolis
MassFlowmeter
TheRHM30canmeasureowratesupto750kg/min
(1653lb/min)withtemperaturesinexcessof350°C
andpressuresupto490bar.Thismodelismedium
sizedwithtruereliabilityforaversatilesolution,
manufacturedbyGE’sRheonikmassowmeter
experts.
•Customizationpossible
•HazardousAreaApprovals(ATEX,CSA,...)
Advantages
•Torsionoscillatordesignassuresmoststableand
basicallydriftfreemeasurementandincreased
signaltonoiseratio
•Notsensitivetochangesinpressure
•Longestlifetimeandincreasedsafety(lowstress
inweldsandincreasedwallthicknessagainst
abrasion)
•Nomovingparts,practicallynomaintenance
•Removableconnectionmanifoldavailable
GE
Measurement&Control

GeneralDimensionsRHM30
PM0 (parallelmanifoldconstruction)
Process Connection Face to face length (L) Order Code
mm in
Standard FlangeDINDN50/PN40 725 28.54 D1
FlangeDINDN50/PN100 725 28.54 D2
FlangeANSI2"150#RF/SF 725 28.54 A1
FlangeANSI2"300#RF/SF 725 28.54 A2
FlangeANSI2"600#RF/SF 725 28.54 A3
Optional FlangeANSI2"600#RTJ 725 28.54 R5
JISB2220RF10k50A(2") 725 28.54 J1
JISB2220RF20k50A(2") 725 28.54 J2
A1=580mm(22.83in)   B1=90mm(3.54in)  Terminalbox(withoutcablegland)125x80x58mm(4.92x3.15x2.28in)
A2=600mm(23.62in)   B2=140mm(5.51in)  W=150mm(5.91in)  
H1=735mm(28.94in)   E=150mm(5.91in)  
H2=875mm(34.45in)    
Forweightsandpackagingdimensionspleaseseelastpageofthissection.     
2
TyperemovablemanifoldwithPTFEsealsandangeconnection

3
GeneralDimensionsRHM30
PF0(parallel,seallessconstructionwithangeconnection)
Process Connection Face to face length (L) Order Code
mm in
Standard FlangeDINDN80/PN40 725 28.54 C1
FlangeDINDN80/PN100 725 28.54 C2
FlangeDINDN80/PN320 725 28.54 C4
FlangeANSI3"150#RF/SF 725 28.54 F1
FlangeANSI3"300#RF/SF 725 28.54 F2
FlangeANSI3"600#RF/SF 725 28.54 F3
FlangeANSI3"900#RF/SF 725 28.54 A4
FlangeANSI3"900#RTJ 725 28.54 R2
FlangeANSI3"1500#RF/SF 725 28.54 AA
FlangeANSI3"1500#RTJ 725 28.54 R6
FlangeANSI3"2500#RTJ 900 35.43 R3
Optional FlangeDINDN80/PN160 725 28.54 C5
FlangeANSI2"1500#RTJ 725 28.54 R4
FlangeANSI3"300#RTJ 725 28.54 R0
FlangeANSI3"600#RTJ 725 28.54 R1
FlangeANSI3"2500#RF/SF 900 35.43 A8
FlangeANSI4"150#RF/SF 725 28.54 L1
FlangeANSI4"900#RF/SF 725 28.54 J3
GraylocHub4"GR23 725 28.54 H1
Typeparallel,weldedmeasuringloopswithoutsealsandangeconnection
A1=580mm(22.83in)   B1=90mm(3.54in)  Terminalbox(withoutcablegland)125x80x58mm(4.92x3.15x2.28in)
A2=600mm(23.62in)   B2=140mm(5.51in)  W=150mm(5.91in)  
H1=735mm(28.94in)   E=150mm(5.91in)  
H2=875mm(34.45in)     
Forweightsandpackagingdimensionspleaseseelastpageofthissection.   

4
GeneralDimensionsRHM30
SF0(serial,seallessconstructionwithoutdeadspaces)
Process Connection Face to face length (L) Order Code
mm in
Standard Sanitary11/2"Triclamp,
DIN32676
300 11.81 S1
SanitaryNW32,DIN11851 300 11.81 S2
Typesinglepath,weldedmeasuringloopswithoutsealsandsanitaryconnection
Typesinglepath,weldedmeasuringloopswithoutsealsandangeconnection
Process Connection Face to face length
(L) (*)
Order Code
mm in
Standard FlangeDINDN80/PN40 300 11.81 C1
FlangeDINDN80/PN100 300 11.81 C2
FlangeANSI3"150#RF/SF 300 11.81 F1
FlangeANSI3"300#RF/SF 300 11.81 F2
FlangeANSI3"600#RF/SF 300 11.81 F3
FlangeANSI3"900#RF/SF 725 28.54 A4
FlangeANSI3"900#RTJ 725 28.54 R2
FlangeANSI3"1500#RF/SF 725 28.54 AA
FlangeANSI3"1500#RTJ 725 28.54 R6
Optional FlangeDINDN80/PN160 300 11.81 C5
FlangeANSI4"150#RF/SF 300 11.81 L1
FlangeANSI4"900#RTJ 725 28.54 J3
FlangeANSI2"1500#RTJ 725 28.54 R4
FlangeANSI3"300#RTJ 725 28.54 R0
FlangeANSI3"600#RTJ 725 28.54 R1
A1=580mm(22.83in)   B1=90mm(3.54in)  Terminalbox(withoutcablegland)125x80x58mm(4.92x3.15x2.28in
A2=600mm(23.62in)   B2=140mm(5.51in)  W=150mm(5.91in)  
H1=735mm(28.94in)   E=150mm(5.91in)  
H2=875mm(34.45in)   V=50mm(1.97in)  
Weightinstandardparallelconstructionwith150#anges:approx.58kg(128lb)     
Weightinstandardserialconstructionwith150#anges:approx.53kg(117lb)     
ShippinginwoodencrateasperISPM15,approx.125x85x60cm(49x34x24in),grossweightwithstandardparallelconstruction,150#angesandRHE08transmitter
approx.115kg(254lb)     
FinishtypeofourANSIangescorrespondstoSF(AARH125upto250μin,Ra3.2upto6.3μm)     
Forcustomizationwithregardtofacetofacelengthandspecialttings,pleaseconsultyourlocalagent    
Pleasenotethatlargerdiameterprocessconnectionsarealwayspossible     

5
PressureRatingRHM30
Themaximumpressure(pmax)ofasensorisdeterminedbyitsweakestpart.Theweakestpartcanbethemeasuring
loops(pmaxindicatedbelow)ortheconstructiontype(pmaxindicatedintheBasicOrderCodesection,lastpage)orthe
selectedanges/ttings(forpmaxpleaseseerespectivestandard).
pmax of P1 measuring loops
M3 optional material - 2.4602 (Alloy C22)
OD x WT 33.4 x 2.8 mm (1.32 x 0.11 in)
bar °C psi °F
271 50 3931 122
239 120 3466 248
204 210 2959 410
170 350 2466 662
pmax of P1 measuring loops, standard
M1 standard material - 1.4571 (316Ti)
OD x WT 33.7 x 2 mm (1.33 x 0.08 in)
bar °C psi °F
137 50 1987 122
123 120 1784 248
106 210 1537 410
89 350 1291 662
pmax of P2 measuring loops
M1 standard material - 1.4571 (316Ti)
OD x WT 33.7 x 4.55 mm (1.33 x 0.18 in)
bar °C psi °F
334 50 4844 122
299 120 4337 248
258 210 3742 410
217 350 3147 662
pmax of P3 measuring loops
M1 standard material - 1.4571 (316Ti)
OD x WT 33.7 x 6.35 mm (1.33 x 0.25 in)
bar °C psi °F
490 50 7107 122
438 120 6353 248
378 210 5482 410
319 350 4627 662

6
PerformanceRHM30
MaxFlowRateQmax=750kg/min(1653lb/min)andQnom(*)=600kg/min(1323lb/min)
Standard Models
FlowRate Uncertainty
kg/min lb/min in%ofreading
750 1653 0.20
500 1102 0.20
100 220 0.20
35 77.2 0.20
15 33.1 0.50
Uncertainty%DP(bar)
FlowRatekg/min
Goldline Models (**) - selected sensors
FlowRate Uncertainty
kg/min lb/min in%ofreading
600 1323 0.15
300 661 0.15
150 331 0.15
100 220 0.15
60 132 0.15
Low Flow Models (**) - selected sensors
FlowRate Uncertainty
kg/min lb/min in%ofreading
750 1653 0.20
500 1102 0.20
35.0 77.2 0.20
15.0 33.1 0.50
10.0 22.0 0.60
Uncertainty%DP(bar)
FlowRatekg/min
Uncertainty%DP(bar)
Repeatability
Better±0.1%ofrate,
Goldline0.05%
Density
Downto0.5%uncertainty
Temperature
Better±1°C 
(*)NominalowQnomreferstoroughly8-10m/s(26-
33ft/s)velocityinmeasuringloopsforbestperformance.
(**)Selectedsensorsareonlyavailableincombination
withtemperatureoptionsT1,TA,standardmaterialand
pressurerange.
• Serial/singlepathversionsoerthesameaccuracyat
halftheow(Qmaxserialversion=375kg/min).
• Uncertaintyofreading(incl.zerodrift)indicationsrefer
toreferenceconditionsH2O,18-24°C(66-76°F),1-3
bar(15–45psi)andinstallationaccordingtoeld
manual.
• PressuredropindicationsrefertoH2O,withparallel
measuringloopstypeP1andstandardmanifold
constructiontype.  
• Forcalibrationtocustomerrangeand/orwith
improveduncertainty,pleaseconsultyourlocal
agent..

7
GeneralSpecicationsRHM30
Temperature Range
• NTModelsfrom-20to+120°C(-4to+248°F)
• ETModelsfrom-45to+120°C(-49to+248°F)
• ET2Modelsfrom-45to+210°C(-49to+410°F)
• ET1Modelsfrom-196to+50°C(-320to+122°F)
• HTModelsfrom0to350°C(+32to+662°F)
(Heatingforhousingoptional,pleaseconsultyourlocalagent)
Electrical Connection
• JunctionboxAluminiumcoated(standard).Junctionboxin
SS316Tioptional
• CableentryM25x1.5.OptionalcableentriesM20x1.5,1/2”
NPTor3/4”NPT
• MaxcablelengthbetweenRHMandRHEis30m(98ft.)
Optional100m(328ft)withspecialcable
Material of Wetted Parts
• .4571/SS316Ti/UNSS31635(standard)
• 2.4602/AlloyC22/UNSN06022
• Tantalum
• Othersonrequest
Sensor Enclosure/Housing
• StainlessSteel1.4301/SS304,optionalin1.4571/SS316Ti.
Othersonrequest
• ProtectionClassIP65.OptionalIP66/NEMA4x
Approvals
• ATEXExII1G,EExiaIICT6-T1
• CSAUSA-Canada,ClassI,Div.1,GroupsA,B,C,D
• PEDaccordingtodirective97/23/EC:ModuleA1orModuleB
+C1–dependingonmeasureduid
• Othersonrequest

Sensor Size
Temperature Range
 T1 NTfrom-20°Cto+120°C(standard)
 TA ETfrom-45°Cto+120°C
 T2 ET2ExtendedTemperatureRangefrom-45°Cto+210°C
 T3 ET1ExtendedTemperatureRangefrom-196°Cto+50°C
 T4 HTHighTemperatureRangefrom0°Cto+350°C
Pressure Range of Measuring Loops @ 120°C and M1 material
  P1 pmax=123bar(standard)
  P2 pmax=299bar
  P3 pmax=438bar
Construction Type (pmax indications @ 120°C)
   PM0 ParallelMeasuringLoopswithremovableManifoldandPTFESeals,pmax=130bar
   PF0 ParallelMeasuringLoopsSealLessVersion
   SF0 SerialMeasuringLoopsSealLessVersionSanitary,pmax=262bar
Material of Wetted Parts
    M1 MeasuringLoopsandManifold/Connection1.4571(316Ti)(standard)
    M3 MeasuringLoopsandConnectionPart2.4602(AlloyC22),SealLessConstructiononly
    M4 MeasuringLoopsandConnectionPartTantalum,PF0ConstructionTypeonly
Process Connection
     D1 FlangeDINDN50/PN40FormC(EN1092-1FormB1)
     D2 FlangeDINDN50/PN100FormE(EN1092-1FormB2)
     C1 FlangeDINDN80/PN40FormC(EN1092-1FormB1)
     C2 FlangeDINDN80/PN100FormE(EN1092-1FormB2)
     C4 FlangeDINDN80/PN320withgasketsaccordingDIN2696,P3pressurerangeonly
     A1 FlangeANSI2"150#RF/SF
     A2 FlangeANSI2"300#RF/SF
     A3 FlangeANSI2"600#RF/SF
     F1 FlangeANSI3"150#RF/SF
     F2 FlangeANSI3"300#RF/SF
     F3 FlangeANSI3"600#RF/SF
     A4 FlangeANSI3"900#RF/SF
     R2 FlangeANSI3"900#RTJ
     AA FlangeANSI3"1500#RF/SF
     R6 FlangeANSI3"1500#RTJ
     R3 FlangeANSI3"2500#RTJ
     S1 Sanitary11/2"Triclamp,DIN32676,pmax=17.2bar@120°C
     S2 SanitaryNW32,DIN11851,pmax=40bar@120°C
      Othersonrequest
RHM30 - - - -
920-500A
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BasicOrderCodeRHM30