Rosemount 2120 Liquid Level Switch

The Rosemount™ 2120 Liquid Level Switch uses vibrating short fork technology and offers simple, calibration-free installation. Designed for use in safe areas, the 2120 can withstand temperatures up to 300°F (150°C) and pressures up to 1450 psig (100 barg). It requires essentially no maintenance as a result of its lack of moving parts.

Demonstrating skillful performance unhindered by flow, foam, turbulence, vibration, bubbles or solids content, the Rosemount™ 2120 Liquid Level Switch is ideal for nearly any fluid application, including:

  • Water ingress detection
  • Overfill protection
  • High and low level alarm
  • Limit detection
  • Hygienic applications
  • Pump protection
  • Fine chemicals and pharmaceuticals

The Rosemount™ 2120 Liquid Level Switch offers an extensive array of available options, including a full range of process connections, housing and wetted materials, hazardous area approvals and fork lengths. Four distinct switching functions are also offered.

The risk of false switching can be greatly reduced by increasing the time delay in rough or splashing applications. This can be achieved via the Rosemount™ 2120’s user selectable time delay from 0.3, 1, 3, 10 or 30 seconds. The 2120 can also be set to shift from wet to dry (typically low alarm) or from dry to wet (typically high alarm) using its mode switch.

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Rosemount 2120 Liquid Level Switch Spec Sheet

Rosemount 2120 Liquid Level Switch