Thermocouple Screw-in thermocouples

type J thermocoupletype L thermocoupletype K thermocouple

Overview
Screw-in thermocouples are designed for temperature measurement in liquids and gases where a reliable process seal is required. The screw-in installation enables tight seals suitable for vacuum and overpressure environments while offering replaceable measuring inserts for maintenance and calibration.

Key features

• Single and double configurations
• Replaceable measuring insert
• Extension tube available for specific process depths
• Available with head-mounted transmitter
• Protection rating IP65

Technical data

• Operating temperature range: -200 to +800 °C
• Thermocouple types: J, L, K
• Protection fitting material: Stainless steel 1.4571
• Process connections: G 1/2, G 3/4, G 1, M18 x 1.5
• Measuring circuits: 1/2

Terminal heads

• Form B (DIN 43729) — aluminium die-cast
• Form BUZ, BUZH — aluminium die-cast
• Form BBK — plastic

Applications & approvals

• Typical applications: woodworking machines, drying plants, baking ovens, smelting and rolling works
• Approvals: Metrological registration