Honeywell Sensing & Control / Sensors for Test & Meaurement manufactures a complete line of sensors and meters to measure and control the important parameters in resistance welding. We have standard applications developed for projection nut welding and critical spot welding. By displacement measurement we are able to statistically control the presence and orientation of weld nuts. By force measurement we are able to optimize the firing conditions for weld current thereby providing consistent weld nugget diameters. We have a family of current sensing products as well.

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On-Line SensorsHand-Held Calibrators

• WT9000 WeldThru Sensor mounts in the current path and measures force, current and temperature
• WRE Weld Actuator Rod-End Load Cell mounts on a transgun or pedestal cylinder rod and measures
• WLP Precision LVDT measures displacement such as initial thickness, final thickness, and "set-down".
• WPK WeldForce Pancake Load Cell is vibration proof, fatigue rated, and hermetically sealed.
• WDP WeldForce Differential Pressure Transducer mounts between cylinder inlet and exhaust and is calibrated in pounds of tip force.

Hand Held Calibrators:

• WP9000 WeldProbe Force Calibrator is a NIST traceable instrument for calibrating and setting accurate electrode force.
• WP9000 WeldProbe Micro Force Calibrator is a NIST traceable force calibrator exclusively designed for micro joining
• WP9000 WeldProbe Pressure Calibrator is a NIST traceable calibrator for testing and setting cylinder air pressure.

Instrumentation

• WM500 are multi-channel instruments that integrate with all sensors and relay outputs for programmable limits.