Vibration limit switch LVL-M*

• Level limit switch for liquids
• Large selection of process connections: universal use
• Wide variety of electronic modules (e. g., relay, thyristor signal output): the right connection for every process control system
• No calibration: quick and low-cost start up
• No mechanically moving parts: maintenance-free, no wear, long operating life
• Monitoring of the vibrating fork for damage: guaranteed function
• PROFIBUS PA Протокол: commissioning and maintenance quick and easy
• до SIL2 acc. to IEC 61508

Application
Function principle		Limit detection maximum or minimum detection in tanks or pipelines containing liquids of any kind, even in hazardous areas
Function and system design
Measuring principle		The forks of the sensors vibrate at their intrinsic frequency. This frequency is reduced when covered with liquid. The change in frequency then activates the limit switch.
Input characteristics
Measured variable		Limit level (limit value)
Measurement range		LVL-M1: depends on mounting point LVL-M2: depends on mounting point and pipe extension до 6000 mm (20 ft)
Auxiliary energy
Supply voltage		electronic insert FEL50A (PA): 9 ... 32 V DC electronic insert FEL51 (AC): 253 V AC, 50/60 Hz electronic insert FEL52 (E5): 10 ... 55 V DC electronic insert FEL54 (WA): 19 ... 253 V AC, 50/60 Hz or 19 ... 55 V DC electronic insert FEL55 (SI): 11 ... 36 V DC, PLC electronic insert FEL56 (N1), FEL58 (N2): isolating amplifier acc. to EN 60947-5-6 (NAMUR)
Потребляемая мощность		electronic insert FEL52 (E5): max. 0.83 W electronic insert FEL54 (WA): max. 1.3 W
Current consumption		electronic insert FEL52 (E5): max. 15 mA
Operating conditions
Ambient conditions
	Ambient temperature	-50 ... 70 °C (223 ... 343 K) , function with reduced data values see section ambient temperature
	Storage temperature	-50 ... 80 °C (223 ... 353 K)
Физические/механические параметры
Стандарты защищенности		полиэстер, steel, and aluminum housing: IP66/IP67 compact housing: - IP65 with valve connector PG11 or ? NPT - IP66/IP68 with M12 x 1 connector without LEDs (1.4435/316L) - IP69K with M12 x 1 connector with LEDs (1.4435/316L)
Mechanical construction
Dimensions		housing: diameter max. 85 mm (3.3 in), height max. 173 mm (6.8 in) temperature separator, pressure-tight bushing: additional length L 140 mm (5.5 in) process connection: length L 66.5 ... 80 mm (2.6 ... 3.1 in) Extension: any length L from 148 ... 3000 mm (6 ... 115 inch), depending on the process connection extension: length type II, for vertical installation from above same switching point as Vibracon LVL1, LVL2 vibration fork: width 17.5 mm (0.7 in), fork width 10 mm (0.4 in), length 25 mm (1 in)
Масса		600 g , basic weight: compact sensor, electronic insert, Нержавеющая сталь housing, process connection G2*, additional weight is dependent on extension tube, housing and process connection
Additional weight		process connections: - A3* 1000 g, A4* 1200 g, A5* 1500 g, A6* 2400 g, A72 4800 g, A81 4900 g, A82 6800 g, A91 7000 g, A92 11.5 kg, A93 17.3 kg - C45 1400 g, C51 1200 g, C71 1600 g, C75 3200 g, C95 5900 g, CA3 5600 g - D45 1400 g, D51 1200 g, D71 1600 g, D75 3200 g, D7A 300 g, D7D 300 g, D95 5900 g, DA3 5600 g - F45 1400 g, F51 1200 g, F55 2000 g, F61 1400 g, F65 2400 g, F71 1600 g, F75 3200 g, F7F 2600 g, F81 2400 g, F85 4300 g, F93 4800 g, F95 5900 g, FA3 5600 g, FA5 7500 g - G3* 200 g - J13 no information, J16 no information, J17 1700 g, J19 no information, J1A no information, J1C 1700 g - N3* 200 g, N75 2900 g - R3* 200 g - T51 no information, T61 100 g length, spacers, bushings: - B* 900 g/m, C* 2300 g/100 in - D* 100 g - I* 600 g - J* 900 g/m and 600 g, K* 2300 g/100 in and 600 g - L*, Q* 700 g - R* 900 g/m and 700 g, S* 2300 g/100 in and 700 g - T* 800 g
Материал корпуса		length, spacers, bushings: - B* 900 g/m, C* 2300 g/100 in - D* 100 g - I* 600 g - J* 900 g/m and 600 g, K* 2300 g/100 in and 600 g - L*, Q* 700 g - R* 900 g/m and 700 g, S* 2300 g/100 in and 700 g - T* 800 g housings: - полиэстер housing: PBT-FR with PBT-FR cover or with PA12 cover with sight glass, cover seal: EPDM - Нержавеющая сталь housing: 1.4301/304, cover seal: silicone - aluminium housing: EN-AC-AlSi10Mg, plastic-coated, cover seal: EPDM - compact housing with valve connector or M12 connector: 1.4435/316L cable gland: polyamide or brass, nickel-plated temperature spacer: 1.4435/316L pressure-tight bushing: 1.4435/316L
Certificates and Сертификаты
Ex approval		KEMA 01 ATEX 1089, KEMA 01 ATEX 1147 X, KEMA 01 ATEX 2117 , for additional certificates see www.pepperl-fuchs.com
Type of protection		II 1/2G EEx ia IIC T3 ... T6 or EEx ia IIB T3 ... T6 and II 1/2D T80°C (KEMA 01 ATEX 1089) II 1G EEx ia IIC T3 ... T6 or EEx ia IIB T3 ... T6 (KEMA 01 ATEX 1147 X) II 1/2G EEx d IIC T3 ... T6 or EEx d IIB T3 ... T6 (KEMA 01 ATEX 2117) II 3G EEx nA/nC II T6 and II 3D T85°C
SIL classification		до SIL2 acc. to IEC 61508
Overspill protection		Z-65.11-306 (overspill protection in acc. with WHG)

Аксессуары и комплектующие

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