The Rotamass Total Insight (TI) series adopts the Total Insight concept and totally support the product life cycle.
Rotamass TI is the Yokogawa Coriolis mass flowmeter providing very high accuracy for measuring liquids and gases.
From the direct mass flow, density, temperature measurements, with Rotamass TI you can calculate:
With additional measurement input Rotamass TI can calculate fluid viscosity for Newtonian liquids or energy-heating value for gas measurement.
OpreX is the comprehensive brand for Yokogawa’s industrial automation (IA) and control business and stands for excellence in the related technology and solutions. It consists of categories and families under each category. This product belongs to the OpreX Field Instruments family that is aligned under the OpreX Measurement category.
Total Insight
In the last decade, the use of Coriolis Mass Flow and Density Meters has been changing from general purpose to supporting your needs in specific applications.
While the technological complexity increased, the demand for simple operation and handling is also a rising requirement.
Yokogawa answers these needs by offering six dedicated product lines with two specialized transmitters allowing the highest flexibility -the Rotamass Total Insight


The product is ideal for industrial processes such as petrochemicals, chemicals, food and beverages.
Wetted material with excellent wear resistance, corrosion resistance, and permeation resistance is available to provide high precision and stable flow measurement even high pressure & high temperature.
Refer to the General Specification sheet located under the 'Downloads' tab for detailed specifications.
| Product Line | Rotamass Nano |
Rotamass Prime |
Rotamass Hygienic |
Rotamass Supreme |
Rotamass Intense |
Rotamass Giga |
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| Flow Range | ![]() |
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Liquid process fluids
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| Liquids in general | ● | ● | ● | ● | ● | ● | |||
| Aggressive liquids | ○ | - | - | ● | ● | ○ | |||
| High viscous fluids | ○ | ● | ● | ○ | ○ | ○ | |||
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Gaseous process fluids
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| Gases in general | ○ | ● | ○ | ○ | ○ | ● | |||
| Low density gases | ○ | ● | ● | ○ | ○ | ○ | |||
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Mixed process fluids
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| Unmixable or mixable liquids | ● | ● | ● | ● | ● | ● | |||
| Liquids with entrained gas | ● | ● | ● | ● | ● | ○ | |||
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Process conditions
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| Process temperature | -50 to +260 °C -58 to +500 °F |
-70 to +200 °C -94 to +392 °F |
-70 to +140 °C -94 to +284 °F |
-196 to +350 °C -321 to +662 °F |
-70 to +150 °C -94 to +302 °F |
-70 to +350 C or +200 C (Giga 2F) -94 to +662 F or +392 F (Giga 2F) |
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| Process pressure up to | 285 bar or 460 bar *1 4183 psi or 6672 psi *1 |
100 bar 1450 psi |
40 bar 580 psi |
100 bar or 250 bar *1 1450 psi or 3626 psi *1 |
up to 700 bar 10000 psi |
100 bar or 180 bar *1 1450 psi or 2610 psi *1 |
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| Line sizes | DN15 to DN40 1/4 in. to 1 1/2 in. |
DN15 to DN125 3/8 in. to 5 in. |
DN25 to DN80 1 in. to 3 in. |
DN15 to DN125 3/8 in. to 5 in. |
9/16 or 3/4“in. AutoClave 1/4 in. to 2 in. |
DN100 to DN250 4 in. to 10 in. |
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Accuracy
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| Mass flow for liquids up to | ± 0.1 % | ± 0.1 % | ± 0.1 % | ± 0.1 % | ± 0.1 % | ± 0.1 % | |||
| Mass flow for gas up to | ± 0.50 % | ± 0.35 % | ± 0.35 % | ± 0.35 % | ± 0.50 % | ± 0.35 % | |||
| Density for liquids up to | ± 0.5 g/l | ± 0.5 g/l | ± 0.5 g/l | ± 0.5 g/l | ± 0.5 g/l | ± 2.0 g/l | |||
| Turndown flat accuracy | ○ | ● | ● | ○ | ○ | - | |||
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Materials and process connections
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| Material of wetted parts | Alloy C-22/2.4602 & 316L/1.4404 | 316L/1.4404 | 316L/1.4404 | 316L/1.4404 or alloy C-22/2.4602 or 304/1.4301 *1 | 316L/1.4404 or alloy C-22/2.4602 or 304/1.4301*1 | 316L/1.4404 or alloy C-22/2.4602 (Giga 1F only) | |||
| Flange process connections | EN, ASME, JPI, JIS | EN, ASME, JPI, JIS | − | EN, ASME, JPI, JIS | ASME | EN, ASME, JIS | |||
| Threaded process connections | G, NPT | G, NPT | DIN11851, SMS1145 | G, NPT | G, NPT | − | |||
| Clamp process connections | DIN32676 | − | DIN32676, JIS/ISO2852 | DIN32676, JIS/ISO2852 | − | − | |||
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Sensor design
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| Insulation and heat tracing options | ● | - | - | ● | - | ● | |||
| Rupture disk | ○ *1 | - | - | ● | ● | ● | |||
| Customer & NAMUR face-to-face length | ● | ● | - | ● | - | ○ | |||
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Approvals / Certificates
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| 3-A, EHEDG, EC1935:04 and EC2023:06 | - | - | ● | ● | - | - | |||
| Marine application | ● | ● | ● | ● | ● | ○ | |||
| Functional Safety | SIL 2 (SIL3) | ||||||||
| Custody transfer application | NTEP (Nano 20) | NTEP | NTEP | NTEP, INMETRO | NTEP | NTEP, INMETRO | |||
| Hazardous area approvals | IECEx, ATEX, UKEx, FM (USA/Canada), NEPSI, INMETRO, PESO, EAC Ex, Taiwan Safety Label, Korea Ex, Japan Ex, ECAS Ex, Ukraine Ex | ||||||||
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When Every Drop Counts
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Versatile in Applications
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With Pure Dedication
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Experience Meets Innovation
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Safe Under High Pressure
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Big in Performance
ROTAMASS TransmittersEssential and Ultimate TransmittersFuture Ready. The Rotamass TI product family has a common and unified transmitter platform with two options that provide the highest flexibility and a tailor-made solution. The Essential transmitter is the cost effective solution for general purpose applications, and the Ultimate transmitter provides various additional features for best-in-class measurement. |
Future Ready. The Rotamass TI product family has a common and unified transmitter platform with two options that provide the highest flexibility and a tailor-made solution. The Essential transmitter is the cost effective solution for general purpose applications, and the Ultimate transmitter provides various additional features for best-in-class measurement.
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Essential Transmitter
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Beyond that the Ultimate transmitter provides:

Have you ever struggled to select the most suitable product/specification for the process being measured?
Find the right flowmeter for your application, size and configure it!
The FlowConfigurator allows you to generate your data sheet and save your sizing projects for easy reuse.

Have you ever been struggling to set up the necessary parameters at startup time?

Have ever been wanted to know the inside condition of a product without removing it from the production line?
With Total Health Check, Rotamass TI offers an effective maintenance and diagnostic tool for a complete meter verification without disturbing your process.
With FieldMate software or any FDT/DTM 1.2, 2.0+ compliant software tool you can perform Total Health Check within few minutes and check:



This makes it possible to record process information simply if there is a device itself. Also, data is stored in text format.
Therefore, analysis using spreadsheet software is also possible by importing data into a PC via a microSD card.


Have you ever taken the time to backup device parameters, copy parameters to replacement devices, etc?




Optimum decoupling of core measuring element from external influences by proven box-in-box design.

Supported by robust and durable sensor design, our factory-fitted insulation and heat tracing solutions offer perfect insulation, continuous heating along the entire flow path and purging of the heating fluid. This is enabling to handle high temperature, viscous process fluids or molten fluids like sulfur.