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Level switchesLevel switches

HRH-1Level switch

HRH-4Level set

HRH-5Level switch

HRH-6level switch

« 000 »
Type Sequence Over
(max)
менее
(мин)
Failure Sequence Asymmetry Cos-φ Type Function Supply (V)
AC DC Window Hysteresis Supply voltage Galvanic. separated.
HRH-1 • •       •  AC 110 V, 230 V, 400 V, AC/DC 24 V 
HRH-4 • •       •  AC 230 V, AC 24 V 
HRH-5             
HRH-6             

HRH-6:level switch

device is mainly designated for monitoring water level in fire-engine tank

  • device can be used for monitoring leves in conductive liquids in pools, reservoirs, tanks
  • device monitors 5 levels by using six probes, one probe is common
  • common probe can be replaced by a metal (conductive) tank
  • transparent indication of levels by six LED diodes in the front panel of the device
  • it s possible to connect another indication module ( e.g. in fire-engine cabin)
  • adjustable sensitivity according to liquid conductvity
  • adjustable time delay - limination of level movement, e.g. while tank is being filled up
  • measuring frequency 10 Hz to prevent polarization of liquid
  • supply voltage 12...... 24 VDC (to be used in fire-engines) or galvanically separated 30VAC for general use
  • contact relay 16A for signalization of full/empty tank according to a chosen function)
  • choice of functions PUMP UP/OFF/PUMP DOWN by a switch located in the front panel of the device
  • Protection degree IP65
 

Information provided by: ©2012 ELKO EP