The ATS3041 Multiwell Insert is designed for use with compatible dry block calibrators to hold temperature probes of different diameters during calibration. This multiwell insert includes hole sizes for 1/8 in., 3/16 in., 1/4 in., 5/16 in., and 3/8 in. probes, making it a versatile option for calibration labs, maintenance teams, and field service technicians. Built for stable probe placement and reliable heat transfer, the ATS3041 insert helps support accurate and repeatable temperature calibration across multiple probe sizes. Features Designed for compatible dry block calibrators Multiwell insert for different probe diameters Includes 1/8 in., 3/16 in., 1/4 in., 5/16 in., and 3/8 in. holes Holds probes securely during calibration Supports stable and repeatable temperature checks Helps improve heat transfer between the dry block and probes Suitable for lab, maintenance, and field calibration work