Level measurement

70 Continuous level measurement in liquids

4. Instrument selection within the measuring principle

Guided radar – process industry

Levelflex FMP50

Levelflex FMP51

Levelflex FMP52

Technical data • Process pressure

–1 to +40bar/ –14.5 to +580psi –40 to +200°C/ –40 to +392°F

–1 to +40bar/ –14.5 to +580psi –50 to +200°C/ –58 to +392°F

–1 to +6bar/ –14.5 to +87psi –20 to +80°C/ –4 to +176°F

• Process temperature

•Accuracy

• Process connection

G/NPT ¾"

• Wetted parts

Rope/rod: 316L, PPS

Rope: 316, rod and coax: 316L, Alloy C (C22/2.4602), ceramics 0.3 to 10m/1 to 33ft (rod), 1 to 45m/3.2 to 148ft (rope), 0.3 to 6m/1 to 20ft (coax) Optional TI01001F

PTFE, PFA 0.3 to 4m/1 to 13ft (rod), 1 to 45m/3.2 to 148ft (rope) Optional TI01001F

C

• Measuring ranges

0.3 to 4m/1 to 13ft (rod), 0.3 to 12m/1 to 39ft (rope) — TI01000F

• Gastight feedthrough • Technical Information Applications Horizontal storage tank cyl.

O + O + – + O – – –

+*

O + + O – O O – –

Vertical storage tank

+ + O – + + – –

Buffer tank

Recipient tank Process tank

Stilling well

Bypass

Pump shaft

Channel measurement Interface measurement

+**

+**

Application limits

• Aggressive media •High pressure/ tempera tures

FMP52

• Aggressive media • Interface with emulsion

FMP52

• High process temperatures

FMP54

FMP51, FMP54

FMP55

Possible

diffusion through the probe coating Limited lifetime • Interface with emulsion

176°F; 6bar/87psi

FMP55

+ = recommended

O = restricted (observe limits)

– = not recommended