Technical data Soliswitch FTE20
26 Endress+Hauser
11.6.8 Electrical safety
Class I equipment, overvoltage category II, pollution degree 2
11.6.9 Altitude
< 2 000 m (6 560 ft) over MSL
11.7 Process
11.7.1 Medium temperature range
–20 to 80 °C (–4 to 176 °F)
11.7.2 Process pressure range
≤ 1.5 bar (21.8 psi) overpressure (e.g. when silo is filled)
11.7.3 Solids weight
≥ 80 g/l (4.99 lb/ft³)
11.7.4 Grain size
≤ 50 mm (1.97 in)