Omega Engineering LAQ-0388 Temperature Indicating Liquid 198C 388F OmegaLaq

Omega Engineering LAQ-0388 Temperature Indicating Liquid 198C 388F OmegaLaq

The Omega Engineering LAQ-0388 is a single-point temperature indicating liquid from Omega's OmegaLaq product line, calibrated to change state at 198°C (388°F). It is applied directly to a surface; when that surface reaches the rated temperature, the liquid undergoes a visible, irreversible color change — providing a simple, one-time visual confirmation that a specific temperature threshold has been reached.

Specifications & What's Included

• Brand: Omega Engineering, Inc.
• Product line: OmegaLaq Temperature Indicating Liquid
• Part number: LAQ-0388
• Temperature rating: 198°C / 388°F
• Type: Single-point irreversible temperature indicator (liquid form)
• Date code visible on label: 9503 (March 1995)
• Includes: Original Omega Engineering box

Applications

Temperature indicating liquids like the OmegaLaq LAQ-0388 are used in industrial and laboratory settings to verify that a component, surface, or assembly has reached — or has not exceeded — a critical temperature threshold. Common applications include monitoring heat-treated parts, checking bearing or motor housings, validating soldering and brazing processes, and ensuring proper cure temperatures in manufacturing. They are applied to the surface of interest before or during a process; the permanent color change provides an unambiguous record that the rated temperature was reached. Omega Engineering has been a leading supplier of temperature measurement and control products since the 1960s, and the OmegaLaq line was widely used in electronics manufacturing, metal fabrication, and industrial quality control. This stock dates from 1995 based on the date code on the label.