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Product Data Sheet
PS-001217, Rev. C
April 2013
®
Micro Motion
®
Micro Motion
viscosity meters are built to tackle the most demanding
process and control applications. Rugged and reliable direct insertion meters
with very low maintenance, they provide fully integrated "fit and forget"
viscosity measurement.
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)
•
Viscosity measurement up to 20,000 cP
Greatest installation flexibility
•
Continuous, real-time measurement in pipelines, slipstreams and
tanks
•
Superior diagnostics and parameter calculations including referred
viscosity and viscosity index
•
Comprehensive communications and control capability
Superior reliability and safety
•
Optimized design – insensitive to vibration, temperature, and
pressure variations
7827 Digital Viscosity Meter
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Summary of Contents for Emerson Micro Motion 7827
- Page 1 Product Data Sheet PS-001217, Rev. C April 2013 ® Micro Motion 7827 Digital Viscosity Meter ® Micro Motion viscosity meters are built to tackle the most demanding process and control applications. Rugged and reliable direct insertion meters with very low maintenance, they provide fully integrated “fit and forget” viscosity measurement.
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Page 2: Table Of Contents
Ordering Information ..... . 12 Hazardous area classifications ....6 Micro Motion 7827 Digital Viscosity Meter... -
Page 3: Typical Applications
Product 2 – High Viscosity Response amplitude Product 1 Product 2 Frequency (Hz) Bandwidth = Point B – Point A Resonant Frequency = (Point A + Point B) / 2 Quality Factor = Resonant Frequency / Bandwidth Micro Motion 7827 Digital Viscosity Meter... -
Page 4: Features
Line density (frequency) • Four 4–20 mA outputs (optional: 8) • Temperature (PT100) • RS-232C/485 Typical 7950/7951 calculations: • Referred kinematic viscosity • Line dynamic/kinematic viscosity • Referred density • Specific gravity • % concentration Micro Motion 7827 Digital Viscosity Meter... -
Page 5: Performance
–40 °F to +302 °F (–40 °C to +150 °C) Ambient –40 °F to +185 °F (–40 °C to +85 °C) Integral temperature sensor Technology 100 Ohms RTD (4 wire) Accuracy PT100 BS1904 Class B, DIN 43760 Class B Micro Motion 7827 Digital Viscosity Meter... -
Page 6: Pressure Ratings
Class I, Division 1 Groups C & D, T4 General classifications Electromagnetic compatibility All versions conform to the latest international standards for EMC, and are compliant with EN 61326/IEC 61326. Environment • Weather rating: IP66 Micro Motion 7827 Digital Viscosity Meter... -
Page 7: Materials Of Construction
23 to 27 VDC, 50 mA (from signal converter) Outputs Viscosity and density Frequency Temperature 100 Ohms RTD (4 wire) Electrical connection Screw terminal, cable entry to suit ½” NPT gland (20 mm adaptor available) Micro Motion 7827 Digital Viscosity Meter... -
Page 8: Dimensions
4.9 (125.4) (31) 1/2• NPT both sides Mounting to suit 1.5″ Swagelok or similar cone →4.3 (109) Flange connection details Dimensions in inches (mm) 5.5 (140) 4.9 (125.4) (31) 1/2• NPT both sides →4.3 (109) Micro Motion 7827 Digital Viscosity Meter... - Page 9 Long stem 1.5• SCH 80 tube →4.75 (120) Pipe must be securely 5.71 (145) clamped in at least two places along this length. Stem lengths up to 13 ft (4 m) are available as an ETO purchase. 19.68 (500) Micro Motion 7827 Digital Viscosity Meter...
- Page 10 (for example, DIN, ANSI, BS, or JIS Limit ANSI 1500 equivalent) 5.71 (145) 19.68 (500) Stem lengths up to 13 ft (4 m) are available as an ETO purchase. Micro Motion 7827 Digital Viscosity Meter...
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Page 11: Installation
The position of the clamp determines the insertion depth. Closed-tank installation example For closed-tank installations, the long-stemmed 7827 needs a factory fitted flange attachment. To vary the insertion depth, a standoff section with flange (not supplied) can then be used. Micro Motion 7827 Digital Viscosity Meter... -
Page 12: Ordering Information
0 mm: no stem extension and with standard spigot 500 mm / 20" (with removable transit cover) ETO stem length Continued on next page (1) Stem lengths up to 13 ft (4 m) are available as an ETO purchase. Micro Motion 7827 Digital Viscosity Meter... - Page 13 3" schedule 80 boundary 2-1/2” schedule 40 boundary Code Factory Set Reserved for future use Code Traceability None Certificates of material traceability (per single order) Typical model number: 7827AAAAATBABA (1) Available with calibration range B only. Micro Motion 7827 Digital Viscosity Meter...
- Page 14 Micro Motion 7827 Digital Viscosity Meter...
- Page 15 Micro Motion 7827 Digital Viscosity Meter...
- Page 16 © 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 property of their respective owners.
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