It is a new type of liquid level switch developed by DELAVAN, featured with single point and 4-wire system and extremely high reliability. Because of these advantages, it is widely used by liquid storage tank in petrochemical and light industry for single point control and producing alarm signal. It is especially ideal for use in crude oil, refined gasoline, solvent and chemical liquid.

DELAVAN liquid level meter

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It is a new type of liquid level switch developed by DELAVAN, featured with single point and 4-wire system and extremely high reliability. Because of these advantages, it is widely used by liquid storage tank in petrochemical and light industry for single point controland producing alarm signal. It is especially ideal for use in crude oil, refined gasoline, olvent and chemical liquid.
Sphere of application: industry such as metallurgy, chemical engineering, environmental protection, power station, paper making, transportation and foodstuff.
Characteristic
Single-point liquid level meter
Magnetostriction theory is applied
Electromechanical integration design
Easy for installation
without movable component

Technical data
Power supply
Normal condition:
115VAC
230VAC
24VDC
in the limit
95VA TO 135VA
190VA TO 270VA
Output
Relay
5A 120VAC
5A 240VAC
3A 24VAC
DPDT
Operation pressure
2000psig

Operation temperature
-40℃ to +75℃ for electronic sector

delay time
adjustable from 50ms to 10s

Protection cover
weather requirement: NEMA4、5、7、9、12
explosive-proof grade

NEC Ⅰ,C and D
grade Ⅱ, E,F,G

Indication
When 2 red lamps is lightened, it means sensor and liquid meet
When yellow lamp is lightened, it means relay charging is going on

Installation
Insert type, 1”NPT
weight: 2.25kg

size for outlet of wire
3/4” NPT