Level measurement

Instrument selection within the measuring principle

81

Capacitance – process industry

Liquicap FMI51

Liquicap FMI52

Liquicap FMI21

Technical data •Process pressure

–1 to +100bar/ -14.5 to +1,450psi –80 to +200°C/ –112 to +392°F ±1%

–1 to +100bar/ -14.5 to +1,450psi –80 to +200°C/ –112 to +392°F ±1%

–1 to +10bar/ -14.5 to +145psi –40 to +100°C/ –40 to +212°F ±1%

C

•Process temperature

•Accuracy •Process connection

EN, ANSI, JIS, hygienic 316L, PFA, PTFE Rod probe up to 4m/13ft Optional TI00401F

EN, ANSI, JIS, hygienic 316L, PFA, FEP Rope probe up to 10m/32ft Optional TI00401F

• Wetted parts • Measuring ranges • Gastight feedthrough • Technical Information Applications Horizontal storage tank cyl.

316L, PP, carbon fiber up to 2.5m/8.2ft — TI00393F

+ + + + + + + O – +

0 + – – – O O O – +

+ + – – – – – O – –

Vertical storage tank

Buffer tank

Recipient tank Process tank

Stilling well

Bypass

Pump shaft

Channel measurement Interface measurement

Application limits

• Insufficient clearance towards ceiling • Changing, non conductive media or conductivity between

• Changing, non-conductive media or conductivity

• Changing, non conductive media or conductivity between

• Highly viscous liquids

+ = recommended

O = restricted (observe limits)

– = not recommended