QUESTION: What is the difference between the liquids version (7ML5421) and the solids version (7ML5420)?

ANSWER: The liquids version is available with process flanges, gas safety approvals, a 250 °C temperature option, and a removable head design. The solids version includes an integral Easy Aimer ball for positioning, universal ANSI/DIN flanges, and dust safety approvals. In addition, the solids version has an enhanced antenna system for an increased signal-to-noise ratio.