Stationary Overfill Prevention ES31 for EX Applications to be used with Limit Probes (PTC)

es31The Overfill Prevention ES31 is a safety system used as an alarm system for filling tanks respectively as a limiter for tanks with liquid products used in EX Applications and -Areas.

The system consists of: Display Device with EX approved Limit Probe


  • Benzin
  • Benzin mixtures
  • Old Oils
  • Chemicals
  • etc.

Advantages and Features:

  • High/Low-Level Alarm
  • Potentialfree Relays Output for Signal Lamps- or Pump Control
  • Universally applicable
  • Failsafe Design

Limit Probe Ill-o-Tron R4 (PTC)


PTC (Thermistor based) Limit Probe for Oil-, Benzin- and Dieseltanks

  • for Overfill Prevention
  • with Electrical Niveau Control
  • usable for Above- and Underground Tanks

SECU-TECH has a large portfolio with different types of Limit Probes for different kinds of liquid products.

We are pleased to provide a customer specific configuration for your special application.

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