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LVL-A7-AG1A-E5V1-CG-EMS

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公司名稱上海倍加福工業(yè)自動(dòng)化貿(mào)易有限公司
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更新時(shí)間2023/10/7 10:24:46
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憑借創(chuàng)業(yè)的勇氣，無畏的開拓精神以及執(zhí)著的創(chuàng)新理念，Walter Pepperl與Ludwig Fuchs這兩位倍加福的奠基人于1945年在曼海姆共同創(chuàng)辦了一家無線電修理廠。他們憑借著多年經(jīng)驗(yàn)，迸發(fā)出智慧的創(chuàng)新靈感，并始終致力于技術(shù)創(chuàng)新，為客戶開發(fā)新產(chǎn)品。數(shù)年后，由他們發(fā)明出一個(gè)的接近開關(guān)，這些創(chuàng)新造就了倍加福輝煌歷史的起點(diǎn)。如今，倍加福公司現(xiàn)已成為電氣防爆和傳感器技術(shù)領(lǐng)域中，享譽(yù)世界的和創(chuàng)新者。我們的業(yè)務(wù)開展始終聚焦在每個(gè)客戶的個(gè)性化需求上：我們滿懷對(duì)自動(dòng)化的熱情及創(chuàng)新科技，致力于成為您現(xiàn)在乃至將來的合作伙伴。我們了解您的市場(chǎng)需求，提供特定的解決方案，并將其整合到您的處理流程中。

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技術(shù)參數(shù)節(jié)選LVL-A7-AG1A-E5V1-CG-EMSGeneralspecificationsMeasuringmethodThetuningforkisbroughttoitsresonancefrequencybymeansofapiezoelectricdrive

LVL-A7-AG1A-E5V1-CG-EMS 產(chǎn)品信息

技術(shù)參數(shù)節(jié)選 LVL-A7-AG1A-E5V1-CG-EMS

General specifications
Measuring method		The tuning fork is brought to its resonance frequency by means of a piezoelectric drive. If the tuning fork is covered by liquid, this frequency changes. The electronics monitor the resonance frequency and indicate whether the tuning fork is freely vibrating or is covered by liquid.
Construction type		compact device
Operating mode		MAX = maximum safety: The device keeps the electronic switch closed as long as the liquid level is below the fork. example application: overspill protection MIN = minimum safety: The device keeps the electronic switch closed as long as the fork is immersed in liquid. example application: dry running protection of pumps The electronic switch opens if the limit is reached, if a fault occurs or in the event of a power fails (quiescent current principle)
Supply
Connection		This device may be used with any sequential circuit, as long as the circuit can support the electrical circuit values of the switching elements.
Rated voltage		10 ... 35 V DC
Fusing		external 500 mA slow
Current consumption		< 15="">
Power consumption		975 mW
Residual ripple		5 V _ss at 0 ... 400 Hz
Input
Measured variable		density
Measurement range		min. 0.7 g/cm³
Output
Output type		switch output
Switching current		max. 250 mA
Directive conformity
Electromagnetic compatibility
	Directive 2014/30/EU	EN 61326-1:2006 , EN 61326-2-3:2006
	Directive 2004/108/EC	EN 61326-1:2006 , EN 61326-2-3:2006
Conformity
Electromagnetic compatibility		NE 21
Degree of protection		IEC 60529
Shock resistance		EN 60068-2-27
Vibration resistance		EN 60068-2-64
Climate class		DIN EN 60068-2-38/IEC 68-2-38
Measurement accuracy
Reference operating conditions		- ambient temperature: 25 °C (+77 °F) - process pressure: 1 bar (14.5 psi) - fluid: water (density: approx. 1 g/cm³, viscosity: 1 mm²/s) - medium temperature: 25 °C (+77 °F) - density setting: > 0.7 g/cm³ - switching time delay: standard (0,5 s, 1 s)
Measured value resolution		< 0.5="">
Measuring frequency		approx. 1100 Hz in air
Switching point		13 mm ± 1 mm
Non-repeatability		± 1 mm acc. to DIN 61298-2
Hysteresis		max. 3 mm
Influence of ambient temperature		negligible
Influence of medium temperature		-25 µm/°C
Influence of medium pressure		-20 µm/bar
Switching time		- 0.5 s when tuning fork is covered - 1.0 s when tuning fork is uncovered
Switch-on delay		max. 3 s
Operating conditions
Installation conditions
	Installation position	see technical information (TI)
Ambient conditions
	Ambient temperature	-40 ... 70 °C (-40 ... 158 °F)
	Storage temperature	-40 ... 85 °C (-40 ... 185 °F)
	Shock resistance	a = 300 m/s² = 30 g, 3 planes x 2 directions x 3 shocks x 18 ms, as per test Ea
	Vibration resistance	a(RMS) = 50 m/s², ASD = 1.25 (m/s²)²/Hz, f = 5 to 2000 Hz, t = 3 x 2 h
Process conditions
	Medium temperature	-40 ... 100 °C (-40 ... 212 °F)
	Process pressure (static pressure)	-1 ... +40 bar (-14.5 ... +580 psi)
	State of aggregation	liquid
	Density	min. 0.7 g/cm³
	Viscosity	1 ... 10000 mPa/s, dynamic viscosity
	Solid contents	< ∅5="">
Mechanical specifications
Degree of protection		IP65/IP67 , NEMA 4X
Connection		M12 connector, 4-pin
Material		process connection and short tube: stainless steel 316L (1.4401/1.4435) tuning fork: stainless steel 316L housing cover and connector: PPSU
Surface quality		R_a < 3.2="">
Mass		approx. 140 g
Process connection		thread G1/2 to ISO 228
Indication and operation
Display elements		The LED display is on the connection side. - green LED: indication of ready to operate - red LED: fault indication - yellow LED: operating mode indication
Function test		function test with test magnet (optional accessory)
Certificates and approvals
CSA approval		cCSAus Listed, General Purpose
Overspill protection		see approval (ZE)
General information
Supplementary documentation		technical information (TI) manual (BA) approval (ZE)
Supplementary information		Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see .
Accessories
Designation		see technical information (TI)

Classifications

System	Classcode
ECLASS 13.0
ECLASS 12.0
ECLASS 11.0
ECLASS 10.0.1
ECLASS 9.0
ECLASS 8.0
ECLASS 5.1
ETIM 9.0	EC001447
ETIM 8.0	EC001447
ETIM 7.0	EC001447
ETIM 6.0	EC001447
ETIM 5.0	EC001447
UNSPSC 12.1