Vibronic rod limit switches for bulk solids
Soliphant T FTM20 / FTM21
+82 2 2658 7200
No calibration: easy commissioning
Insensitive to build-up
Sensor material 316L
Specs at a glance
Function Level switch Product Non-fluidized bulk solids Probe length
Compact design: 225 mm (8.86");
with extension rod: 500, 1000 or 1500 mm (19.67, 39.37 or 59.06")
Product density ≥200 g/l Process pressure –1 to +25 bar (–14.5 to +363 psi) Product temperature –40 to +150 °C (–40 to +302 °F)
Soliphant T FTM20
Product / Version Price / pcs. in KRW Order code Process Connection Approval Electronics; Output 1 to 3 4 to 10 11+ EN10226 R / ANSI NPT Non-hazardous area FEM22; 3-wire PNP 10-45VDC 464,900 441,655 418,410 FTM20-Ax22A FEM24; relay DPDT, 19-253VAC/55VDC 496,600 471,770 446,940 FTM20-Ax42A ATEX II 1/3D Ex t IIIC T 170oC Da/Dc FEM22; 3-wire PNP 10-45VDC 635,300 603,535 571,770 FTM20-4x25A FEM24; relay DPDT, 19-253VAC/55VDC 667,000 633,650 600,300 FTM20-4x45A
Soliphant T FTM21
Product / Version Price / pcs. in KRW Order code Process Connection Approval Electronics; Output Sensor Length 1 to 3 4 to 10 11+ EN10226 R / ANSI NPT Non-hazardous area FEM22; 3-wire PNP 10-45VDC 500mm 585,600 556,320 527,040 FTM21-Ax222A 1000mm 720,900 684,855 648,810 FTM21-Ax322A 1500mm 857,700 814,815 771,930 FTM21-Ax422A FEM24; relay DPDT, 19-253VAC/55VDC 500mm 617,300 586,435 555,570 FTM21-Ax242A 1000mm 752,600 714,970 677,340 FTM21-Ax342A 1500mm 889,400 844,930 800,460 FTM21-Ax442A ATEX II 1/3D Ex t IIIC T 170oC Da/Dc FEM22; 3-wire PNP 10-45VDC 500mm 756,000 718,200 680,400 FTM21-4x225A 1000mm 891,300 846,735 802,170 FTM21-4x325A 1500mm 1,028,100 976,695 925,290 FTM21-4x425A FEM24; relay DPDT, 19-253VAC/55VDC 500mm 787,700 748,315 708,930 FTM21-4x245A 1000mm 923,000 876,850 830,700 FTM21-4x345A 1500mm 1,059,800 1,006,810 953,820 FTM21-4x445A
Prices valid until 31.12.2019 in EUR per unit (not including shipping and applicable sales tax). See
Endress+Hauser Terms and Conditions
Is this Soliphant level switch not the perfect match for your application?
The Soliphant T is a robust point level switch for silos containing fine or coarse-grained, non-fluidized bulk solids. The various designs that are available means the device has a wide range of applications. Soliphant T is available in 4 lengths and the probe length of extended versions can be easily adjusted using a sliding sleeve (see accessories).
A piezoelectric drive excites the vibrating rod of Soliphant T FTM20/FTM21 to its resonance frequency. If medium covers the vibrating rod, the rods vibrating amplitude changes (the vibration is damped). Soliphants electronics compare the actual amplitude with a target value and indicates whether the vibrating rod is vibrating freely or whether it is covered by medium. The process connection is de-coupled from the rods vibration movements and thus is insensitive to vibrations and noise.
Control systems, switching units, signalling systems (e.g. lamps, horns, PCS, PLC, etc.) can be directly connected. Minimum/maximum quiescent current safety can be switched at electronic insert.
Measuring frequency 700 to 800 HzOutput parameters Fail-safe mode Minimum/maximum quiescent current Drop-out signal Output locked Switching delay 0.5 s when the sensor is covered, 1 s when the sensor is exposedAmbient conditions Ambient temperature –40 to +70 °C (–40 to +158 °F) Storage temperature –40 to +85 °C (–40 to +185 °F) Climate class DIN IEC 68 part 2-38 Ingress protection IP66/IP67, NEMA4X Vibration resistance DIN 60068-2-27/IEC 68-2-27; shock 30 g; vibration 0.01 g²/Hz EMC Interference emission to EN 61326, Electrical Equipment Class B; Interference immunity to EN 61326 Annex A (Industrial)Process Bulk density ≥200 g/l, not fluidized Process pressure –1 to +25 bar (–14.5 to +363 psi) Process temperature –40 to +150 °C (–40 to +302 °F)Materials of construction Sensor 316L Process connection R1; 1½ (316L) Housing F16 (plastics); F18 (aluminium)Electrical connection Cable specification Use a usual commercial two-, three- or four-wire cable (25 Ω) Cable entries M20×1.5Approvals ATEX II 1/3 D, FM, CSA, EAC
Dimensions (in mm)
FTM20 (compact design, polyester housing)
FTM21 vibrating rod with extension pipe (aluminium housing)
Electrical connectionElectronic insert FEM22 (DC PNP)
Power supply 10 to 45 V DC Current consumption max. 18 mA Connectable load – Positive signal at electronics switch output (PNP)
– max. 350 mA, short-circuit protection
– residual voltage <3 V
Signal on alarm Output signal on power failure or in the event of device failure: < 100 μA Preferred in conjunction with programmable logic controllers (PLC), DI modules as per EN 61131-2.Electronic insert FEM24 (AC/DC with relay output) Power supply
19 to 253 V AC 50/60 Hz
19 to 55 V DC
Power consumption approx. 1.3 VA Connectable load
– Loads switched via 2 floating changeover contacts.
– I~ max. 6 A,
– U~ max. 253 V;
– P~ max. 1500 VA, cos φ = 1
– P~ max. 750 VA, cos φ > 0.7
– I– max. 6 A to 30 V
– I– max. 0.2 A to 125 V
Signal on alarm
Output signal in event of power failure: relay de-energised
Both relay contacts switch simultaneously.
Please note the different voltage ranges for direct and alternating current.q qs
Sliding sleeve: R1½" pressurized
Sliding sleeve: R1½" non-pressurized
More documents for FTM20More documents for FTM21