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Micro Motion 7829 Viscomaster Dynamic Viscosity Meter

Materials of construction

Weight 

Electrical

Wetted parts

316L Stainless steel

Tine finish

PFA laminated

(1)

(1) PFA is applied only to the tines for its anti-stick properties not for corrosion protection.

Electronics enclosure

Sand cast low copper alloy
Polyurethane paint finish

Weight

7.5 lb (3.4 kg) typical

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 externally powered 4–20 mA
±0.1% of reading, ±0.05% of full scale at 68 °F (20 °C)
±0.05% of full scale, over range –40 °F to +185 °F 
(–40 °C to +85 °C)
3.9 or 20.8 mA on 4–20 mA
2 or 22 mA on 4–20 mA (Programmable alarm state)

Communications

RS-485 (Modbus)

Electrical connection

Screw terminal, cable entry to suit ½" NPT gland (20 mm adaptor available)

Summary of Contents for 7829FEANAHRABA

Page 1: ...cy viscosity measurement Multi variable measurement of dynamic viscosity kinematic viscosity and temperature Unique direct insertion design Integral mount transmitter with analog and digital communications Greatest installation flexibility Continuous real time measurement in various installation configurations Retrofit kits available for easy replacement of existing viscosity meter technologies Su...

Page 2: ...s Register GL DNV ABS and BV For a complete list of marine approvals see Marine approval classifications on page 7 Advantages Fully integrated fit and forget digital viscosity and temperature measurement for monitoring and control Two 4 20 mA outputs of kinematic viscosity and temperature Modbus RS 485 communications output of all parameters including calculated density and calculated kinematic vi...

Page 3: ...asured by detecting the bandwidth around the fork s natural vibration frequency The following figure illustrates how the 7829 meter uses the frequencies at point A the lower 3 db point and at point B the upper 3 db point to digitally calculate bandwidth and quality factor Quality factor is then used to define fluid viscosity using standard calibration techniques Product 1 Product 2 Response amplit...

Page 4: ...II v2 9 or later software tools to configure or diagnose a meter via the RS 485 Modbus interface See ADView Software Tool Features and ProLink II Software Tool Features for more information User Configurable 4 20 mA Outputs Two 4 20 mA outputs are available mA output 1 is configurable to output parameters such as dynamic or kinematic viscosity mA output 2 is set to output temperature which you can...

Page 5: ...communicates with the 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 ProLink II Software Tool Features The ProLink II software tool v2 9 or lat...

Page 6: ...lity 0 5 of reading Process Ambient 40 F to 392 F 40 C to 200 C 40 F to 185 F 40 C to 85 C Technology 100 Ohms RTD 4 wire Accuracy PT100 BS1904 Class B DIN 43760 Class B Maximum operating pressure 1 1 Actual maximum operating pressures are limited by the process connection rating 3000 psi 207 bar Test pressure Tested to 1 5 x the maximum operating pressure PED compliance Outside the scope of Europ...

Page 7: ...nvironment Weather rating IP66 ATEX ATEX approved Certification for use in Europe ATEX II2G Ex d IIC T4 CSA C US CSA approved Certification for use in Canada and USA Class I Division 1 Groups C D T4 Marine Approval Country American Bureau of Shipping USA Lloyds London United Kingdom Germanische Lloyd Germany Det Norske Veritas Norway Bureau Veritas France RINA Italy Nippo Kaiji Kyokai Japan Russia...

Page 8: ...aint finish Weight 7 5 lb 3 4 kg typical 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 externally powered 4 20 mA 0 1 of reading 0 05 of full scale at 68 F 20 C 0 05 of full scale over range 40 F to 185 F 40 C to 85 C 3 9 or 20 8 mA on 4 20 mA 2 or 22 mA on 4 20 mA Programmable alarm state...

Page 9: ... Motion 7829 Viscomaster Dynamic Viscosity Meter 9 Dimensions 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 ...

Page 10: ...sist of a number of supply pumps fed by either HFO or MDO a flow meter in line filters to remove the impurities and a holding mixing tank Following the supply section the fuel is usually sent to booster pumps that increase the flow rate up to a maximum of 20 m3 hr and then through a series of heat exchangers liquid or electric to change the product viscosity for efficient combustion Following is a...

Page 11: ...no stem extension and with standard spigot Code Default software configuration of 4 20 mA output 1 1 1 4 20 mA output 2 default setting is temperature H 0 to 25 cSt J 0 to 50 cSt Z ETO custom configuration Code Calibration range R 0 5 to 50 cP no density calibration Code Calibration type A Free stream B 2 schedule 40 boundary 200 cP limit E 3 schedule 80 boundary 2 2 Compatible with DN80 XS pipewo...

Page 12: ...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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