Battery- powered, < 12 inch
- Dimension range: DN32 to DN300
- Two basic designs – single-beam (FL503x) and double-beam (FL505x)
- Compact or remote version
- Temperature: 50°C to 130°C
- Pressure: PN16 (150psi) or PN40 (600 psi)
- Period of measurement: 1 s
- Power supply of Li battery 3.6 V/19Ah with a lifetime of 8 years