Conductivity type Elettrosonda Z8-Z11 (3)


Compact level control relay for Hi, Hi-Lo, Lo control for pump & alarms with 3 electrodes. Both the Z8 and Z11 models are available in the three versions: normal sensitivity (NS), high sensitivity (AS) and adjustable sensitivity (SR).

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 Conductivity based level switches suit most processes with conductive liquids. The SR version has adjustable sensitivity and suits 3 electrodes for high and low pump control. The electrode length & material is selected to suit the application & these may be coated. One electrode or the vessel (if metallic) is the reference, & the others are switching points.
The trip occurs when the small AC excitation current flows between the electrodes. Sensitivity is adjustable. Heavy duty electrodes are available – electrodes are optional supply to suit application – listed with the holders
  • 230VAC and 24VDC versions offered
  • Operating resistance 0-100KOhm adjustable sensitivity
  • Contact Rating Resistive 5A to 250VAC — Inductive  2A 250VAC
  • Response time 100ms
  • Dimensions 90 x 54 x 59mm  – Weight 200gm
Downloads:   Data sheet 

Additional information

Model number

NS model 230VAC, SR model 230VAC