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WIKA · Level measurement · Family FLM

Magnetostrictive level transmitter

High-resolution measurement principle
Range
0…5.8 m
Output
HART · 4 ... 20 mA
Accuracy
< ±0.5 mm
Protection
IP66/IP68
RoHSEACGOSTKazInMetrBelGIMUkrSEPROUzstandardCEATEXIECExFMII 1/2G Ex ia IIC T3 ... T6II 1/2G Ex d IIB T3 ... T6 Ga/GbEx i II 1/2G Ex ia IIC T3 ...T6II 1D Ex ia IIIC T160 °C DaII 1D Ex ia IIC T160℃DaXP CI Div 1 Gp B,C,D,T*
Price
On request
Depends on configuration
Request a quote
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Description

The model FLM-S, FLM-T and FLM-P level transmitters are used for the high-accuracy, continuous level detection of liquids and are based on determining the position of a magnetic float according to the magnetostrictive measurement principle.

P = vacuum to 100 bar [1,450.4 psi]

ρ ≥ 400 kg/m 3 [25.0 lbs/ft³]

for further approvals see page 3

Level transmitter with flange connection, model FLM-T

Special features

  • Process- and procedure-specific solutions possible
  • Operating temperature: T = -90 ... +450 °C [-130 ... +842 °F]
  • Operating pressure: P = vacuum to 100 bar [1,450.4 psi]
  • Limit density: ρ ≥ 400 kg/m 3 [25.0 lbs/ft 3 ]
  • Resolution < 0.1 mm
  • Wide variety of different electrical connections, process connections and materials
  • Explosion-protected versions
Identification
ModelFLM-S
Product familyFLM
Subcategorymagnetostrictive
Measuring range
Level ranges0…5.8 m · 0…3.5 m
Accuracy
Safety integrity level (SIL)SIL 2, SIL 3
Process conditions
Process connection
1/2 NPT ... 2 NPTDIN DN 50 ... DN 200, PN 6 ... PN 100ANSI 2" ... 8", class 150 ... 600G 1/2 ... G 2G1/2...G2"
Process temperature−60…+185 °C
Max process pressure100 bar
Measurement technologymagnetostrictive
Electrical characteristics
Output signalHART · 4 ... 20 mA · HART® rev.7
Power supplyDC 15 ... 30 V
Electrical connectionM16 x 1.5, G 1/2, G 2
Materials
Wetted parts materialStainless steel 1.4571 (316Ti), 1.4404 (316L), Titanium 3.7035 (grade 2), Stainless steel 1.4571, Stainless steel 1.4404, Stainless steel 1.4435, Titanium 3.7035, PP, PVDF, 1.4571, 1.4404, 1.4435
Operating environment
Ambient temperature−40…+85 °C
IP ratingIP66/IP68
Certifications and approvals
Certifications
RoHSEACGOSTKazInMetrBelGIMUkrSEPROUzstandardCEATEXIECExFM
Explosion protection
II 1/2G Ex ia IIC T3 ... T6II 1/2G Ex d IIB T3 ... T6 Ga/GbEx i II 1/2G Ex ia IIC T3 ...T6II 1D Ex ia IIIC T160 °C DaIECEx II 1/2G Ex ia IIC T6 ... T4 Ga/GbFM Cl I Div 1 Gp B, C, D, T*; Cl II, III Div 1 Gp E, F, G, T*Ex i II 1/2G Ex ia IIC T6 ...T4 Ga/Gb II 1D Ex ia IIIC T160 °C DaXP Cl I Div 1 Gp B, C, D, T* - DIP Cl II, III Div 1 Gp E, F, G, T*Ex i II 1/2G Ex ia IIC T6 ...T4 Ga/GbII 1D Ex ia IIC T160℃DaEx d II 1/2G Ex d IIB T3 ...T6 Ga/GbXP CI Div 1 Gp B,C,D,T*DIP CI II, III Div 1 Gp E,F,G,T*; IP67
Additional details
Datasheet languagesEN, DE
Tables from datasheet
Level transmitterDescriptionMaterials
Stainless steel 1.4571(316Ti) 1.4404(316L) 1.4435Titanium 3.7035 (grade 2)PPPVDF
FLM-S (FFG-P)Standard versionxx-x--
FLM-T (FFG-T)High-temperature versionxx-x--
FLM-P (FFG-TP)Plastic version----xx
LogoDescriptionCountry
EU declaration of conformity ■ EMCdirective EN 61326 emission (group 1, class B) and immunity (industrial application) ■ RoHS directive ■ ATEX directive (option) Hazardous areas Model FLM-SxI (FFG-P...) - Ex i II 1/2G Ex ia IIC T3 ...T6 Model FLM-TAI (FFG-T...) - Ex i II 1/2G Ex ia IIC T6 ...T4 Ga/Gb II 1D Ex ia IIIC T160 °C DaEuropean Union
IECEx (option) Hazardous areas - Ex i II 1/2G Ex ia IIC T6 ...T4 Ga/Gb II 1D Ex ia IIIC T160 °C DaInternational
FM (only model FLM-S) Hazardous areas - XP Cl I Div 1 Gp B, C, D, T* - DIP Cl II, III Div 1 Gp E, F, G, T*; IP67USA
EAC ■ EMCdirective ■ Hazardous areasEurasian Economic Community
GOST Metrology, measurement technologyRussia
KazInMetr Metrology, measurement technologyKazakhstan
BelGIM Metrology, measurement technologyBelarus
UkrSEPRO Metrology, measurement technologyUkraine
Uzstandard Metrology, measurement technologyUzbekistan
Mounting threadFlange
Electrical connectionSensor housing, material stainless steel 1.4404 (316L)
Display■ Version FLM-SA (FFG-PN) without display ■ Version FLM-SB (FFG-PD) with window and display ■ LCD matrix (only version FFG-PD)
Process connectionMounting thread downwards ■ G1/2 ...G2" ■ 1/2 NPT ... 2 NPTMounting flange ■ DIN DN 50 ...DN 200, PN 6 ...PN 100 ■ ANSI 2" ... 8", class 150 ... 600
Max. guide tube length L
Guide tube Ø14 mm[0.6 in]3,500 mm[137.8 in]
Guide tube Ø18 mm[0.7 in]5,800 mm[228.3 in]
FloatMaterial: Stainless steel 1.4571 (option:Titanium) Float diameter from 44 ... 120 mm[1.7 ... 4.7 in] Float selection depending on guide tube Øand process conditions (→ see page 9 / 10) Attention:With Ex approval no floats from titanium may be used.
Max. operating pressure40 bar [580.2 psi] (100 bar [1,450.4 psi] with float from titanium) → See table on page 9 / 10
Temperature range
Medium (standard)-60 ...+185 °C [-76 ...+365 °F]
Ambient temperature
Version without display-40 ...+85 °C [-40 ...+185 °F]
Version with display-20 ...+70 °C [-4 ...+158 °F]
Ex i versionT3/T4/T5: -20 ...+70 °C [-4 ...+158 °F] T6: -20 ...+60 °C [-4 ...+140 °F]
Ex d versionT3/T4/T5: -20 ...+70 °C [-4 ...+158 °F] T6: -20 ...+60 °C [-4 ...+140 °F]
Output signal4 ... 20 mA, HART ® rev. 7
Supply voltageDC 15 ...30V
Mounting threadFlange
Measurement accuracy< ±0.5mm
Resolution< 0.1mm
Temperature coefficient
4 ... 20 mAoutput signal0.2 %F.S. / 10 K
HART ® output signal0.05 %F.S. / 10 K
Loadmax. 900 Ωat 30V
Mounting positionVertical ±30°
Ingress protectionIP66/IP68 per IEC/EN 60529
View all (10)
Mounting threadFlange
Electrical connectionSensor housing, material stainless steel 1.4301
Process connectionMounting thread downwards ■ G1/2 ...G2" ■ 1/2 NPT ... 2 NPTMounting flange ■ DIN DN 50 ...DN 200, PN 6 ...PN 100 ■ ANSI 2" ... 8", class 150 ... 600
Max. guide tube length L
Guide tube Ø12 mm[0.5 in]3,000 mm[118.1 in]
Guide tube Ø18 mm[0.7 in]6,000 mm[236.2 in]
FloatMaterial: Stainless steel 1.4571 (option:Titanium) Float diameter from 44 ... 120 mm[1.7 ... 4.7 in] Float selection depending on guide tube Øand process conditions (→ see page 9 / 10)
Max. operating pressure40 bar [580.2 psi] (100 bar [1,450.4 psi] with float from titanium) → see table on page 9 and 10
Temperature range
Medium (standard)
High-temperature version-45 ...+450 °C [-49 ...+842 °F]
Low-temperature version-90 ...+125 °C [-130 ...+257 °F]
Ambient temperature-40 ...+85 °C [-40 ...+185 °F]
Output signal4 ... 20 mA, HART ® rev. 6
Supply voltageDC 10 ...30V
Measurement accuracy< ±0.5mm
Resolution< 0.1mm
Loadmax. 900 Ωat 30V
Mounting positionVertical ±30°
Ingress protectionIP68 per IEC/EN 60529
Mounting threadFlange
Electrical connectionSensor housing, material stainless steel 1.4301
Process connectionMounting thread downwards ■ G1/2 ...G2" ■ 1/2 NPT ... 2 NPTMounting flange ■ DIN DN 50 ...DN 200, PN 6 ...PN 100 ■ ANSI 2" ... 8", class 150 ... 600
Max. guide tube length L
Guide tube Ø12 mm[0.5 in]3,000 mm[118.1 in]
FloatMaterial: Stainless steel 1.4571 (option:Titanium) Float diameter from 44 ... 120 mm[1.7 ... 4.7 in] Float selection depending on guide tube Øand process conditions (→ see page 9 / 10)
Max. operating pressure40 bar [580.2 psi] (100 bar [1,450.4 psi] with float from titanium) → see table on page 9 and 10
Temperature range
Category 1G (sensor completely in zone 0)Max. process temperature-20 ...+60 °C [-4 ...+140 °F] (T4 ...T1)
Max. ambient temperature-20 ...+60 °C [-4 ...+140 °F] (T4 ...T1)
Category 1/2G (sensor head installed in zone 1, sensor tube installed in zone 0)Max. process temperature-20 ...+60 °C [-4 ...+140 °F] (T4 ...T1)
Max. ambient temperature-40 ...+85 °C [-40 ...+185 °F] (T4 ...T1)
Category 2G (sensor completely in zone 1)Max. process temperature-40 ...+450 °C [-40 ...+842 °F] (T1)
Max. ambient temperature-40 ...+85 °C [-40 ...+185 °F] (T4 ...T1)
Output signal4 ... 20 mA, HART ® rev. 6
SupplyDC 10 ...30Vvoltage
Measurement< ±0.5mmaccuracy
< 0.1mmResolution
Loadmax. 900 Ωat 30V
Electrical input dataU i ≤ 30V / I i ≤ 100 mA, 200 mA/ P i ≤1W/C i ≤ 10 nF / L i ≤ 20 µH
Mounting positionVertical ±30°
IP68 per IEC/EN 60529Ingress protection
Mounting threadFlange
Electrical connectionSensor housing, material stainless steel 1.4305
Process connectionMounting thread downwards ■ G1/2 ...G2" ■ 1/2 NPT ... 2 NPTMounting flange ■ DIN DN 50 ...DN 200, PN 6 ...PN 100 ■ ANSI 2" ... 8", class 150 ... 600
Max. guide tube length L
Guide tube Ø16 mm[0.6 in]3,000 mm[118.1 in]
Guide tube Ø20 mm[0.8 in]5,000 mm[196.9 in]
FloatMaterial: Polypropylene, PVDF or PVC Float diameter of 55 mm[2.2 in] or 80 mm[3.1 in] Float selection depending on guide tube Øand process conditions (→ see page 9 / 10)
Max. operating pressure3 bar [43.5 psi]
Temperature range
Medium
Polypropylene-10 ...+80 °C [14 ... 176 °F]
PVDF-10 ...+100 °C [14 ... 212 °F]
Ambient temperature-40 ...+85 °C [-40 ...+185 °F]
Output signal4 ... 20 mA, HART ® rev. 6
Supply voltageDC 10 ...30V
Measurement accuracy< ±0.5mm
Resolution< 0.1mm
Loadmax. 900 Ωat 30V
Mounting positionVertical ±30°
Ingress protectionIP68 per IEC/EN 60529
MaterialVersionSuits guide tube Ø inmmØ A inmmB inmmØ C inmmMax. operating pressure in barMax. operating temp. in °CLimit density 85 %in kg/m 3
Stainless steel 1.4571 (316Ti)V52A1452521540250720
V62A1462611532250597
V83A1483811525250430
V80A1880762325250660
V98A1898962325250597
V105A181051032325250533
V120A181201172325250389
V120/38A181201163825250537
Titanium 3.7035 (grade 2)T52A1452521525250570
T62A1462621525250505
T83A1483811525250350
T80A1880762325250665
T98A1898962325250495
T105A181051032325250369
T120A181201172325250329
MaterialVersionSuits guide tube Ø inmmØ A inmmB inmmØ C inmmMax. operating pressure in barMax. operating temp. in °CLimit density 85 %in kg/m 3
Stainless steel 1.4571 (316Ti)V44A1444521516250818
V44A1444521525200800
Titanium 3.7035 (grade 2)T44A1444521516250550
PVCP55A16555422360798
P80A20807925360573
PolypropylenePP55A16555422380595
PP80A20807925380431
PVDFPF55A165569223100821
PF80A208079253100681
Replaced modelCurrent modelDescription
FFG-PFLM-SMagnetostrictive level transmitter , standard
FFG-TFLM- TMagnetostrictive level transmitter , high temperature
FFG-TPFLM-PMagnetostrictive level transmitter , plastic
FFG-T-MRVE...FLM-HMagnetostrictive level transmitter , sterile version with dairy coupling
FFG-T-FCFE...FLM-HMagnetostrictive level transmitter , sterile version with clamp
FFG-T-IS...FLM-HMagnetostrictive level transmitter , sterile version with ingolde nossle
746.2xxxSuccessor:FLM-SMagnetostrictive level transmitter (Phönix design)