Emerson 7829ADAAAEBABA Product Data Sheet Download Page 15 | Manualshive

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Micro Motion 7829 Visconic Viscosity Meter

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Summary of Contents for 7829ADAAAEBABA

Page 1: ...t High accuracy viscosity and density measurement Multi variable measurement of viscosity density and temperature Unique direct insertion design in lengths up to 13 ft 4 m Integral mount transmitter with analog and digital communications Greatest installation flexibility Continuous real time measurement in pipelines slipstream bypass and tank installations Wide range of corrosion resistant materia...

Page 2: ... industrial oil industry applications and can serve all major hydrocarbon markets Advantages Fully integrated fit and forget digital viscosity and density measurement for monitoring and control Two direct 4 20 mA outputs of viscosity base viscosity density base density or special calculations solids API specific gravity Modbus RS 485 communications Continuous measurement No moving parts means virt...

Page 3: ...anges it affects the vibrating mass of the meter The change in vibrating mass then affects the resonant frequency Viscosity is a function of the bandwidth which is an indication of the damping associated with the liquid The following figure illustrates how the 7829 meter uses the resonant frequencies at point A the lower 3 db point and at point B the upper 3 db point to digitally calculate the den...

Page 4: ...as the process variable in control applications without the need for additional processing electronics Following are the default settings of the two 4 20 mA outputs RS 485 Modbus Communications Interface All measurements are available digitally through the built in RS 485 Modbus communications interface for integration into plant data systems You can use the ADView or ProLink II v2 9 or later soft...

Page 5: ...tes with the 7829 meter through a standard serial port and provides the following functionality Setting up a serial link to communicate with the 7829 transmitter Configuring the 7829 transmitter Displaying data real time or as a graph Logging data to a file Verifying correct operation of the system and diagnosing faults Loading or storing Modbus register values Read write to individual Modbus regi...

Page 6: ... span 0 2 cP up to 10 cP Viscosity Repeatability 0 5 of reading Density Calibrated Range 0 6 to 1 25 g cc 38 to 78 lb ft3 Density Accuracy 0 001 g cc 0 0624 lb ft3 Density Repeatability 0 0001 g cc 0 0062 lb ft3 Process Short stem version Long stem version 40 F to 392 F 40 C to 200 C 40 F to 302 F 40 C to 150 C Ambient 40 F to 185 F 40 C to 85 C Technology 100 Ohms RTD 4 wire Accuracy PT100 BS1904...

Page 7: ...aximum operating pressure 1 1 Actual maximum operating pressures are limited by the process connection rating Short stem version Long stem version 3000 psi 207 bar 1450 psi 100 bar Test pressure Tested to 1 5 x the maximum operating pressure PED compliance Outside the scope of European directive 97 23 EC on Pressure Equipment ATEX ATEX approved Certification for use in Europe ATEX II2G Ex d IIC T4...

Page 8: ...shes available 1 PFA is applied only to the tines for its anti stick properties not for corrosion protection Weight Short stem version Long stem version 14 8 lb 6 7 kg typical Dependent on stem length contact factory Power supply requirement For transmitter For mA outputs 20 to 28 VDC 50 mA 22 mA per output Outputs mA Accuracy Repeatability Out of range System Alarm Two passive 4 20 mA 0 1 of read...

Page 9: ...nnection details Flange connection details Dimensions in inches mm 4 9 125 4 5 5 140 4 3 109 Mounting to suit 1 5 Swagelok or similar cone 1 2 31 1 2 NPT both sides 4 8 121 0 5 12 1 38 35 Dimensions in inches mm 4 9 125 4 5 5 140 4 3 109 1 2 31 1 2 NPT both sides 4 8 121 0 5 12 1 38 35 ...

Page 10: ...ing hardware is customer specific and is not supplied 1 38 35 19 68 500 Stem lengths up to 13 ft 4 m are available as an ETO purchase 4 75 120 6 89 175 5 71 145 5 04 128 Pipe must be securely clamped in at least two places along this length Amplifier housing External Earth screw Lower nodal mass Long stem 1 5 SCH 80 tube 1 9 external diameter Vibrating element Dimensions in inches mm Mounting hard...

Page 11: ...al diameter Vibrating element Dimensions in inches mm 5 5 140 5 71 145 NPT 1 38 35 Stem lengths up to 13 ft 4 m are available as an ETO purchase Connection to pipeline Zone 0 area by means of a standardized industry flange for example DIN ANSI BS or JIS Limit ANSI 1500 equivalent 5 71 145 5 5 140 Amplifier housing External Earth screw Lower nodal mass Long stem 1 5 SCH 80 tube 1 9 external diamete...

Page 12: ...r the short stemmed 7829 meters 7829 Long Stem Open tank installation example Closed tank installation example For open tank installations the long stemmed 7829 Visconic is clamped to a structure The position of the clamp determines the insertion depth For closed tank installations the long stemmed 7829 Visconic needs a factory fitted flange attachment To vary the insertion depth a standoff sectio...

Page 13: ...up C D 160 C Code Amplifier enclosure Available only with amplifier system codes C D E F W K or L A Aluminium alloy T4 40 C Ta 110 C Available only with amplifier system codes W K or L C Stainless steel Code Process connections Available with amplifier system codes C D W K or L A 2 ANSI CL150 raised face RF flange B 2 ANSI CL300 raised face RF flange C 2 ANSI CL600 raised face RF flange G 50 mm DN...

Page 14: ...lable only with amplifier system codes C D W K or L F 10 to 1000 cP Available only with amplifier system codes W K or L G 2 2 Available with calibration type A only 100 to 12500 cP Code Calibration type Available only with amplifier system codes C D W K or L A Free stream D 3 3 Available with default software configuration of 4 20 mA output type E H J or M only 2 schedule 80 boundary 200 cP limit ...

Page 15: ...Micro Motion 7829 Visconic Viscosity Meter 15 ...

Page 16: ...by more than 750 000 meters installed worldwide and over 30 years of flow and density measurement experience 2013 Micro Motion Inc All rights reserved The Micro Motion and Emerson logos are trademarks and service marks of Emerson Electric Co Micro Motion ELITE MVD ProLink MVD Direct Connect and PlantWeb are marks of one of the Emerson Process Management family of companies All other trademarks are...

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