Oval- ALTImass Coriolis Mass Flow Meter for ultra micro flow measurement

A high-performance type Coriolis flowmeter capable of directly measuring mass flow with high accuracy being equipped with a high-performance transmitter. Highly accurate measurement is possible even for the purpose of ultra microflow measurement and short-time filling.


  • High accuracy
  • Setting can be changed in the field.
  • Sufficient self-diagnosis
  • Wide flow range
  • Density accuracy improved
  • Configuration excellent in cleaning
  • Large screen
  • Both temperature and density can be measured.
  • Metering of 0.2 g/min or more is available. (type/CA00A)


Model Type U (High-performance model) Type S
(Single, straight-tube model)
Type B
(Low-price, general-purpose model)
Nominal size 1/4″, 10 to 250mm 15, 25, 40, 50, 80mm 10, 15, 25, 40, 50mm
Connection standard JIS 10, 20, 30, 40, 63K JIS 10, 20K JIS 10, 20, 30K
ASME/JPI 150, 300, 600 ASME/JPI 150 ASME/JPI 150, 300
Applicable fluids Liquid, gas Liquid
Flow range 0 to 2800000kg/h (16 types) 0 to 108000kg/h (6 types) 0 to 96000kg/h (6 types)
Operating temp. range –200 to +200°C –40 to +130°C –40 to +130°C
Maximum operating
pressure (differs with
connection standard)
9.4MPa *1
(differs by nominal size)
2.45MPa 7.9MPa
Accuracy (fluid flow) ±0.1% of RD
(differs by nominal size)
±0.2% of RD±ZS *2
(differs by nominal size)
(differs by nominal size)
Power supply AC or DC-powered
Major part material SUS316L, other SUS316L
Configuration Explosion-proof or non-explosion proof, IP66/67
Output Flowrate, temperature, density (liquid), status Flowrate, temperature, status

*1: Some model has a high-pressure type.
*2: ZS=Zero point stability error

More Specification:

Resource: https://www.oval.co.jp/

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