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Micro Motion 7827 Digital Viscosity Meter
Features
The 7827 digital viscosity meter works with the Model 7950 or Model 7951 signal converter to measure line
viscosity, density, and temperature; and, calculate referred viscosity and base density using ASTM and API
tables. Additionally, parameters such as °API and specific gravity also can be determined using the signal
converter’s built in calculations. Any of these parameters can be used to drive mA outputs from the signal
converter. See “7950/7951 signal converter features”.
Installation and application flexibility
The 7827 meter can be easily installed in a
slipstream/bypass, pipeline, open tank, pressurized
vessel, or flow-through sample chamber. The
availability of a choice of construction materials and
connections allow this meter to be used in a wide
range of applications.
Low maintenance required
Because the 7827 digital viscosity meter has no
moving parts, minimal maintenance is required,
leading to lower overall operating costs.
The vibrating forks are available with PFA coating to
assist self-cleaning. PFA is ideal for hydrocarbon
applications. Care should be taken if the PFA
coating is to be used in a corrosive application.
Please consult your local Micro Motion sales office.
Raw frequency output electronics
The 7827 digital viscosity meter is designed to
operate with the Micro Motion Model 7950 and
Model 7951 signal converters. See “7950/7951
signal converter features” below.
No field calibration required
The 7827 digital viscosity meter is factory-calibrated
and no field calibration is required. The calibration is
traceable to UK National Standards through the
Micro Motion onsite accredited laboratory.
Auto-ranging measurement
Each factory calibration is designed to achieve
maximum accuracy. The calibration measurements
are: 0.5 to 10 cP, 10 to 100 cP, 100 to 1000 cP, and
1000 to 12,500 cP. An auto-ranging facility is
provided for applications where the liquid viscosity
extends over one or more of the current operating
calibrated ranges.
Fluid characterization using viscosity
Because the 7827 meter is used with a 7950/7951
signal converter, complex measurements of liquid
viscosity at conditions away from line temperature
and pressure can be performed. Parameters such
as viscosity at reference temperature and viscosity
index are available.
7950/7951 signal converter features
Inputs from meter:
•
Line viscosity (bandwidth)
•
Line density (frequency)
•
Temperature (PT100)
Typical 7950/7951 calculations:
•
Referred kinematic viscosity
•
Line dynamic/kinematic viscosity
•
Referred density
•
Specific gravity
•
% concentration
7950/7951 outputs:
•
Status
•
Four 4–20 mA outputs (optional: 8)
•
RS-232C/485
