Coriolis Flowmeter

Single straight tube:STmassMK II

       Thanks to a single straight tube construction, the STmass Coriolis mass flowmeter justifies its use in applications where problems associated with pockets in the fluid path and clogged flowtube must be avoided, or in clean processes where fluid material replacement and wetted parts cleaning are a matter of high priority. Furthermore, high vibration resistance and stability are attributed to our proprietary concentric dual-tube design. Pressuretight housing significantly increased the safety of operation, too. One obvious advantage is found in the measurement of liquid food, medical and chemical solutions.


Nominal size 15, 25, 40, 50, 80mm ( 6 models )
Process connection JIS K RF flange
ANSI / JPI 150 RF flange
IDE ferrule
Applicable fluid Liquid
Flow rate Normal flow range 0 to 12kg/min……..0 to 1200kg/min.
Allowable flow range 0 to 18kg/min……..0 to 1800kg/min.
Min. flow range 0 to 1.2kg/min……..0 to 120kg/min.
Density range 0.5 to 1.0 / 0.7 to 1.3 / 1.0 to 1.5g/mL
Operating temp. range - 25 to + 130°C (explosionproof: - 20 to + 130°C)
Max. operating pressure Max. 2.45MPa (Differs depending on process connection)
Accuracy Flow rate Factory calibration accuracy: ± 0.2% ± zero stability error
Density [Factory calibration (option) accuracy] ± 0.009g/mL
(Not with size S010)
Wetted parts material SUS316L, or
SUS316L + Hastelloy-C (or MA22) for S015 and S025 only
Explosionproof Combined explosionproof [Exd (ib) II BT4]
Output signal

Flow, temp., density, status

Applicable Fluid:


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