Ordering Information Model 2120 Vibrating Fork Liquid Level Switch / –40…302 °F (–40...150 °C) Materials of construction: process connection/fork D 316/316L Stainless Steel (1.4401/1.4404) dual certified Process connection size / type 0A 3/4-in. BSPT (R) Thread Electronic type K NAMUR Surface finish 1 Standard surface finish Product certifications I1 ATEX Intrinsic Safety Housing A Glass Filled Nylon, M20 conduits/cable threads Fork length A Standard length 1.7 in. (44 mm) Specific extended fork length 0000 Factory default length (only if Fork Length A or H is selected) Calibration data certification Q4 Certificate of functional test Safety certification(1) QT(2) Safety certificate to IEC61508 Not available for Direct Load or Relay (option code E) switching electronics.Not available with Relay (option code V) switching electronics.
