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Product Data SheetPS-00408, Rev. BOctober 2004Micro Motion CNG050Compressed Natural Gas FlowmeterWith MVD TechnologyTMMicro Motion

Micro Motion CNG050 flowmetersThe first full-range CNG flowmeter designedand tested specifically for compressed naturalgas, resulting in better performance in CNGapplications.The CNG050 meter was specifically designed forthe CNG industry to meet the challenges ofmeasuring compressed natural gas. The meter’sincreased rangeability allows customers theflexibility to use the sensor for automobile or lightor heavy-duty vehicle dispenser designs.Micro Motion CNG050 meters feature integraltransmitters, making them easy to install. Offeredwith Series 1000 and 2000 transmitters withMVD Technology, customers can choose eithersingle or multivariable output configurations withmilliamp, pulse, dual pulse, digital outputs, and anintegral display.Micro Motion MVD Direct Connect Technologyis making Coriolis flowmeters from Micro Motioneven more suitable for CNG applications. OEMscan benefit from MVD Direct Connect Technology,which allows smart sensors to communicatedirectly with dispenser head electronics viaModbus — no transmitter is required!2Micro Motion CNG050 FlowmeterLike all Micro Motion flowmeters, CNG050 metersoffer highly accurate direct mass and volume flowmeasurement.Micro Motion CNG050 meters are designed toperform in even the most harsh operatingenvironments, and carry hazardous areaapprovals for the U.S.A., Canada, and Europe.Easy to useCNG050 meters have no moving parts, no needfor periodic recalibration, non-intrusive design,and no regular maintenance requirements.Wide rangeabilityThe CNG050 meter is used for both car and busdispenser designs alike. With a 1–100 kg/min flowrange, the CNG050 is truly a one-size-fits-all CNGflowmeter.CNG station reconciliationThe AGA 11 guidelines recently published by theAmerican Gas Association allow for the use ofCoriolis meters like the Micro Motion CNG050 inthe custody transfer of natural gas. Combining alow pressure check meter (such as a Micro MotionELITE or F-Series sensor) on the natural gasinlet with a CNG050 dispensing meter allows fortrue mass balancing of CNG stations.

Reduced fill timesWeights and measures approvalsHaving a higher flow rate capacity means thatvehicles can get back on the road faster than alaysiaIndiaItalyCanadaBrazilNTEPPTBNMIPattern approvalSIRIMMinistry of Consumer AffairsUfficio Metrico ItalianoMeasurement Canada (pending)Inmetro (pending)Proven technologyMicro Motion is known worldwide for increasingplant efficiency, production, and profitability. Morethan 400,000 Micro Motion meters are installed inapplications worldwide, including 15,000 CNGapplications.Greater accuracy and versatilityMicro Motion CNG050 meters have a CNGaccuracy of 0.5% of delivered batch over a flowrange of 2 to 220 lbs/min (1 to 100 kg/min). Thistranslates to reduced dispenser losses and isapproved worldwide by weights and measuresauthorities.Vehicle fillingBecause of its clean combustion, CNG isincreasingly used as a vehicle fuel in many partsof the world. Micro Motion CNG050 meters usedin dispenser stations are routinely verified(proved) against a gravimetric standard, thehighest performance rating possible. In addition,the CNG050 meter can be used as a MasterMeter standard, thus providing increased safetyand eliminating cumbersome scale setup andventing of gas.Micro Motion CNG050 Flowmeter3

Micro Motion CNG050 flowmeters continuedSoftware functionalityThe CNG050 sensor can be used with MicroMotion transmitter with MVD Technology. Thestandard software option of the Series 1000 or2000 is most common.A Micro Motion MVD Direct Connect pass-throughI.S. barrier can also be used in public stations if itis installed in a separate, sealable housing.Weights and measures configuration lockoutFor applications that require weights andmeasures approval for legal trade (i.e., publicCNG stations), the weights and measuresconfiguration lockout software option forModel 2500 and 2700 transmitters should beordered with the CNG050 sensor. Theconfiguration lockout software option allows thetransmitter to be changed from operating (secure)mode to configuration mode (and back again)using ProLink II software. The transmitter willregister flow only when in the operating (secure)mode. The transmitter will allow configurationchanges and zeroing of the meter only when inconfiguration mode.When the configuration lockout option is ordered,a means is provided for physically sealing thetransmitter housing.The configuration lockout software option may notbe required by certain world area weights andmeasures authorities. The performance of theCNG050 sensor is not affected by configurationlockout, and the sensor meets batch and accuracyspecifications with standard features.4Micro Motion CNG050 Flowmeter

Flow specificationsMasslb/minkg/minStandard volume (1)SCFMNm3/hrFlow range2 to 2201 to 10040 to 4444Batch accuracy (2)(3) 0.50% of batchRepeatability (2) 0.30% of rateZero stabilitylb/minkg/min0.020.00968 to 7550(1) CNG with SG 0.66 at 60 F (15.5 C) and 14.73 psia (1 bar-a).(2) In terms of percent of total batch delivered on CNG.(3) Accuracy is under typical CNG batch/dispensing conditions. Typical batch/dispensing conditions are defined as those where theflow rate is greater than 4 lbs/min (109 kg/hr).Pressure ratingspsibarFlow tube rating5000345Pressure limits (1)5000345Union to NPT adapter piece rating (2)4600317Housing ratingHousing is not rated for pressure containment.PED complianceSensor complies with council directive 97/23/EC of 29 May 1997 onPressure Equipment(1) All fittings are rated to 5000 psi (345 bar) — the Union SWG type fitting according to ASME B31.3, and the SAE fitting according toSAE J1453.(2) Pressure rating of the additional adapter piece (#12 O-ring face seal to female NPT) that is provided with process connectionoption 239.Micro Motion CNG050 Flowmeter5

Environmental limits F C–40 to 257–40 to 125CSA andMMI standard (no approval)–40 to 140–40 to 60ATEXRefer to the graph below.Process fluid temperature limitsAmbient temperature limitsHumidity limits5 to 95% relative humidity, non-condensing at 140 F (60 C)Vibration limitsMeets IEC 68.2.6, endurance sweep, 5 to 2000 Hz, 50 sweep cycles at 1.0 gHazardous area classificationsCSA is a Canadian approvals agency that provides approvals accepted both in the U.S.A (C-US) and in Canada. ATEX is aEuropean directive.CSAClass I, Div. 1, Groups C and DClass I, Div. 2, Groups A, B, C, and DClass II, Div. 1, Groups E, F, and GATEXEEx ib IIC T1–T5 (1)Allowable CNG050 sensor temperature rating with core processor or integrally mounted transmitterMax. ambient temp. ( C)De-rate at slope –0.25 Cambient per 1.0 C fluidSensor fluid temp. ( C)(1) The “T” rating is defined as the maximum surface temperature of the flowmeter. The “T” rating of the hazardous area, and ambienttemperatures above 47 C, restrict the allowable temperature of the process fluid as shown in the graph above.6Micro Motion CNG050 Flowmeter

Materials of constructionWetted parts (1)316L stainless steelSensor housing304L stainless steelCore processor housingCF-3M stainless steel or epoxy-painted aluminum; NEMA 4X (IP65)(1) General corrosion guidelines do not account for cyclical stress, and therefore should not be relied upon when choosing a wettedmaterial for your Micro Motion flowmeter. Please refer to Micro Motion’s corrosion guide for material compatibility information.WeightSensor with core processor16 lbs (7 kg)Sensor with integrallymounted transmitter18 lbs (8 kg)Micro Motion CNG050 Flowmeter7

DimensionsCNG050 sensor with integrally mounted Model 1700/2700 transmitterDimensions ininches(mm)7 3/16(182)All options16 3/8 1/8(415 3)6 13/16(174)2 13/16(21)2 7/16(62)3 15/16(99)ø4 11/16(119)2 1/2″ –NPTorM20 1.52 11/16(69)6(153)4 11/16(119)3 1/4(82)1 15/16(49)5/8(15)15 1/8(384)6 3/4(171)Optional2 3/4″ –14 NPTfemale fitting4 1/16(104)2 15/16(74)11 7/8(301)CNG050 sensor with core processorDimensions ininches(mm)16 3/8 1/8(415 3)ø4 3/8(111)2 5/8(67)1/2″ –14 NPTorM20 1.54 7/16(112)5/8(15)1 15/16(49)2 11/16(69)6 3/4(171)2 15/16(74)8Micro Motion CNG050 FlowmeterOptional2 3/4″ –14 NPTfemale fitting11 7/8(301)

Ordering informationModelProduct DescriptionCNG050SMicro Motion Coriolis CNG-Series sensor; 1/2-inch; 316L stainless steelCodeProcess Connections239 (1)3/4-inch NPT-female adapter; CAJON compatible size 12 VCO union fitting290(2)CAJON compatible size 12 VCO union fitting291 (2)Union size 12 SAE fitting (universal thread)CodeCase OptionsNStandardCodeElectronics InterfaceQ4-wire epoxy-painted aluminum integral core processor for remote mount transmittersA4-wire stainless steel integral core processor for remote mount transmittersCFor integrally mounted 1700/2700 transmitterW (3)Epoxy-painted aluminum integral core processor for MVD Direct Connect installationD (3)Stainless steel integral core processor for MVD Direct Connect installationCodeConduit ConnectionsElectronics Interface Codes Q, A, W and DB1/2-inch NPT — no glandEM20 — no glandFBrass/nickel cable gland (cable diameter 0.335 to 0.394 inches [8.5 to 10.0 mm])GStainless steel cable gland (cable diameter 0.335 to 0.394 inches [8.5 to 10.0 mm])Electronics interface Code C (Integrally mounted 1700/2700)ANo glandCodeApprovals (3)MMicro Motion Standard (no approval)NMicro Motion Standard / PED compliantCCSA (Canada only)ACSA C-US (U.S.A. and Canada)ZATEX - Equipment Category 2 (Zone 1) / PED compliantContinued on next page(1) 3/4-inch NPT female adapter to O-ring face seal adapter rated to 4600 psi (317 bar).(2) Ready for face seal O-ring (not included).(3) When electronics interface W or D is ordered with approval codes C, A, or Z, an MVD Direct Connect I.S. barrier is supplied. Nobarrier is supplied when ordered with approval codes M or N.Micro Motion CNG050 Flowmeter9

Ordering information continuedCodeLanguageADanish Quick Reference Guide and English ManualDDutch Quick Reference Guide and English ManualEEnglish Quick Reference Guide and English ManualFFrench Quick Reference Guide and French ManualGGerman Quick Reference Guide and German ManualHFinnish Quick Reference Guide and English ManualIItalian Quick Reference Guide and English ManualJJapanese Quick Reference Guide and English ManualNNorwegian Quick Reference Guide and English ManualOPolish Quick Reference Guide and English ManualPPortuguese Quick Reference Guide and English ManualSSpanish Quick Reference Guide and Spanish ManualWSwedish Quick Reference Guide and English ManualCodeFuture Option 1ZReserved for future useCodeFuture Option 2ZReserved for future useCodeFactory OptionsZStandard productRRestocked product (if available)Typical Model Number:10CNG050S 290 N C A A E Z Z ZMicro Motion CNG050 Flowmeter

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