Safety is the top priority in high-pressure operations. The Yokogawa ROTAMASS Intense series is built with an exceptionally robust design to ensure precise measurement of liquids and gases where standard meters fail. Combined with Total Insight (TI) technology, it provides full control over your process lifecycle.
Utilizing the direct measurement of mass flow, density, and temperature, the ROTAMASS Intense calculates:
The ROTAMASS Intense features the Total Health Check function, providing advanced in-line diagnosis of the meter’s health. This ensures that even in the most demanding high-pressure conditions, your operation remains secure and under control.
Q: Why is the Intense series better for high pressure?
A: It features a reinforced sensor design and specialized materials that meet the highest international safety standards for high-pressure containment.
Q: Is it SIL certified?
A: Yes, it supports Functional Safety environments with SIL 2 certification (SIL 3 capable).
Refer to the General Specification sheet located under the ‘Downloads’ tab for detailed specifications.
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Product Line |
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Flow Range |
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Liquid process fluids |
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Liquids in general |
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Aggressive liquids |
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– |
– |
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○ |
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High viscous fluids |
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○ |
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Gaseous process fluids |
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Gases in general |
○ |
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Low density gases |
○ |
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Mixed process fluids |
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Unmixable or mixable liquids |
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Liquids with entrained gas |
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Process conditions |
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Process temperature |
-50 to +260 °C |
-70 to +200 °C |
-70 to +140 °C |
-196 to +350 °C |
-70 to +150 °C |
-70 to +350 C or +200 C (Giga 2F) |
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Process pressure up to |
285 bar or |
100 bar |
40 bar |
100 bar or |
up to 700 bar |
100 bar or |
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Line sizes |
DN15 to DN40 |
DN15 to DN125 |
DN25 to DN80 |
DN15 to DN125 |
9/16 or 3/4“in. AutoClave |
DN100 to DN250 |
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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 % |
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Mass flow for gas up to |
± 0.50 % |
± 0.35 % |
± 0.35 % |
± 0.35 % |
± 0.50 % |
± 0.35 % |
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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 |
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Turndown flat accuracy |
○ |
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– |
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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) |
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Flange process connections |
EN, ASME, JPI, JIS |
EN, ASME, JPI, JIS |
− |
EN, ASME, JPI, JIS |
ASME |
EN, ASME, JIS |
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Threaded process connections |
G, NPT |
G, NPT |
DIN11851, SMS1145 |
G, NPT |
G, NPT |
− |
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Clamp process connections |
DIN32676 |
− |
DIN32676, JIS/ISO2852 |
DIN32676, JIS/ISO2852 |
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− |
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Sensor design |
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Insulation and heat tracing options |
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Rupture disk |
○ *1 |
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– |
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Customer & NAMUR face-to-face length |
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Approvals / Certificates |
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3-A, EHEDG, EC1935:04 and EC2023:06 |
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Marine application |
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Functional Safety |
SIL 2 (SIL3) |
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Custody transfer application |
NTEP (Nano 20) |
NTEP |
NTEP |
NTEP, INMETRO |
NTEP |
NTEP, INMETRO |
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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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