Specs at a glance
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Process temperature
-50°C ... 280°C
(-60°F ... 540°F) -
Process pressure / max. overpressure limit
Vacuum ... 25 bar
(Vacuum ... 360 psi) -
Min. density of medium
Standard fork: 10 g/l
Short fork: 50 g/l
Field of application
Soliphant FTM50 is a robust point level switch for use in silos containing fine-grained or powdery solids even with a low bulk density. Suitable for a wide range of applications with international certificates for use in dust or gas hazardous areas. Available with polished fork and stainless steel housing with Tri-Clamp or with aluminum housing and coated fork. Maintenance-free device for use in typical applications like: cereals, flour, cocoa, sugar, animal feed, dye powder, chalk.
Point level switch for fine grained solids and powder.
Process connections: Threads, flanges and hygienic connection (Tri-Clamp)
Temperature: -50 to +280°C (-60 to +540°F)
Pressure: -1 to +25bar (-14.5 to +360psi)
Sensor length: 145mm, 200mm
Sensor material: 316L (3,2µm, 0,8µm, PTFE coated, ETFE coated)
International explosion protection certificates
Benefits
SIL2 in accordance with IEC 61508
No mechanically moved parts, free of maintenance
Measurement not affected by build-up or external vibration
Various electronic inserts: e.g. NAMUR, relay, thyristor and PFM-signal outputs for optimum alignment with the plant control system
Build-up and abrasion display selectable, density setting and switching delay selectable
Choice of coated or polished sensor
Build-up and corrosion detection
Videos
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Vibronic measuring principle
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Measuring principle
Vibration Solids
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Characteristic / Application
Compact point level switch for fine grained solids and powder
Grain size <= 10 mm (<= 0.39 in)
Fork sensor
No calibration required
Not affected by build-up or external vibration
Robust
Switch value visible from outside -
Specialities
Build-up and corrosion detection
Remote version
3 temperature versions available
SIL 2 -
Supply / Communication
10-55V DC PNP 3-wire
19-253V AC 2-wire
19...253V AC / 19V...55V DC 2 relay contact
8/16mA
NAMUR
PFM -
Ambient temperature
-50°C ... 70°C
(-60°F ... 160 °F) -
Process temperature
-50°C ... 280°C
(-60°F ... 540°F) -
Process pressure / max. overpressure limit
Vacuum ... 25 bar
(Vacuum ... 360 psi) -
Min. density of medium
Standard fork: 10 g/l
Short fork: 50 g/l -
Main wetted parts
selectable:
316L 3,2um
316L 0,8um
316L PTFE coated (to avoid build-up)
316L ETFE coated (to avoid corrosion) -
Process connection
Thread
R 1 1/2"
1 1/4" NPT
1 1/2" NPT
EN Flange DN50...DN100
ASME Flange 2"...4"
JIS Flange 50A...100A -
Process connection hygienic
Tri-Clamp ISO2852
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Sensor length
Standard: 200mm (8")
Short: 145mm (5.7") -
Communication
DC PNP 2-wire
AC Thyristor
DPDT relay
8/16mA
NAMUR
PFM -
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, JPN, INMETRO, NEPSI, EAC
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Safety approvals
SIL
-
Design approvals
EN 10204-3.1
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Options
Glass cover
Temperature spacer
EN10204-3.1 -
Components
PFM: FTL325P, FTL375P
NAMUR: FTL325N, FTL375N
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Short Instruction (KA)
Mounting the adapter set on Soliphant M FTM50, FTM51, FTM52
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Short Instruction (KA)
English version - 05/2021New version available in EnglishMounting the adapter set on Soliphant M FTM50, FTM51, FTM52
EN 19/05/2021Language:
English
Version:
19/05/2021
File size:
209.7 KB
File name:
KA00633FA2_0705.pdf
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-
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Short Instruction (KA)
Soliphant M FTM50, FTM51 Operating Instruction
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Short Instruction (KA)
01/2018New version available in EnglishUniversal vibration limit switch for fine-grained bulk solids,
also for explosion-hazardous areasLanguage:
Bulgarian
Version:
08/01/2018
File size:
2.4 MB
File name:
KA00229FBG_1618.pdf
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-
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Ex Safety Instruction (XA)
Soliphant M FTM50, FTM51, FTM52
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Ex Safety Instruction (XA)
Slovenian version - 09/2022New version available in EnglishATEX, IECEx:
Ex db IIC Ga/Gb
Ex db IIC Gb
Ex db eb IIC Ga/Gb
Ex db eb IIC Gb
Ex tb IIIC Da/DbEN 28/09/2022Language:
Slovenian
Version:
28/09/2022
File size:
520.8 KB
File name:
XA00306FSL_1722-00.pdf
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-
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Ex Safety Instruction (XA)
Soliphant M FTM50, FTM51, FTM52
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Ex Safety Instruction (XA)
Chinese version - 06/2022New version available in EnglishExta/tb IIIC T160°C...T310°C Da/Db
Ex ta/tb [ia Da] IIIC T83°C Da/Db
Ex tb [ia Da] IIIC T83°C DbLanguage:
Chinese
Version:
22/06/2022
File size:
1.2 MB
File name:
XA00393FZH_1622-00.pdf
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-
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Ex Safety Instruction (XA)
XA Soliphant M FTM50, FTM51, FTM52
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Ex Safety Instruction (XA)
Russian version - 11/2021New version available in EnglishII 3 G Ex ec IIC Gc
II 3 G Ex ec nC IIC Gc
II 3 G Ex ic IIC Gc
II 3 D Ex tc IIIC Dc
II 3 D Ex ic IIIC DcEN 08/11/2021Language:
Russian
Version:
08/11/2021
File size:
507.7 KB
File name:
XA00331FRU_1521-00.pdf
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Fields of Activities (FA)
Level measurement
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Fields of Activities (FA)
English version - 03/2026New version available in EnglishProduct overview for applications in liquids and bulk solids
Language:
English
Version:
06/03/2026
File size:
35.8 MB
File name:
FA00001F00EN2726.pdf
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Fields of Activities (FA)
レベル計 総合カタログ
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Fields of Activities (FA)
Japanese version - 12/2025New version available in English液体および粉体アプリケーション向けレベル計・レベルスイッチ
Language:
Japanese
Version:
23/12/2025
File size:
33.9 MB
File name:
FA00001FJA_2625_Level meter comprehensive catalog.pdf
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-
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Fields of Activities (FA)
Füllstandsmesstechnik
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Fields of Activities (FA)
German version - 10/2022New version available in EnglishProduktübersicht für Anwendungen in Flüssigkeiten und Schüttgütern
Language:
German
Version:
14/10/2022
File size:
10.6 MB
File name:
FA00001F00DE2522.pdf
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Competence Brochure (CP)
Grenzstanddetektion in Flüssigkeiten und Schüttgütern
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Competence Brochure (CP)
German version - 02/2025New version available in EnglishAuswahl- und Projektierungshilfe
Language:
German
Version:
19/02/2025
File size:
13.5 MB
File name:
CP00007F00DE1925.pdf
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Competence Brochure (CP)
Point level detection in liquids and bulk solids
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Competence Brochure (CP)
English version - 02/2025New version available in EnglishSelection and engineering guide
Language:
English
Version:
19/02/2025
File size:
13.4 MB
File name:
CP00007F00EN1925.pdf
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