Monitors sense tip loss in resistance welding cells.

Press Release Summary:

DeltaPoint® tip-loss monitors with DeviceNet interface feature vortex shedding flowmeters that measure water flow in and out and compare flow rate and temp. Device can monitor 13 welding tips and will alert robot to stop welding if leak is detected. Monitors accommodate cooling flows to 12 gpm and water temp to 230°F. Featuring remote shutoff and restart, device is programmable for leak rate alarm, time or restart delay, temp fault level, flow okay, and minimum flow indication.

Original Press Release:

Deltapoint® Resistance Welding Tip-Loss Monitors Protect Critical Welds

Rocon LLC announces DeltaPoint® tip-loss monitors with DeviceNet interface for protecting critical welds and helping assure quality in resistance welding robotic applications.

DeltaPoint® monitors from Rocon LLC sense tip loss in resistance welding cells by comparing total inflow and outflow of cooling water to the cell. DeviceNet outputs are a standard feature of the DeltaPoint® units which monitor flow and temperature, provide flow comparisons and detect leaks in multiple weld devices.

The DeltaPoint® monitors can provide sensitive tip-loss detection in welding guns, robotic work cells or non-robotic hard tooling. One DeltaPoint® unit can monitor up to 13 welding tips.

DeltaPoint® tip-loss monitors are equipped with vortex shedding flowmeters that require minimal maintenance, are not affected by dirt in water, and have no moving parts to clog, wear or repair. The flowmeters are bench-calibrated to minimize possibility of nuisance tripping.

Two flowmeters are used in the monitors to measure water flow in and out and compare flow rate and temperature. If a leak is detected, an alarm is sent to the robot to stop welding, and the water is shut off. The monitor will not allow the welder to operate without water flow, even in bypass mode.

Rocon DeltaPoint® tip-loss monitors feature remote shutoff and restart and are programmable for leak rate alarm, time delay, restart delay, temperature fault level, flow okay and minimum flow indication. Models in the DeltaPoint® series accommodate cooling flows up to 12 gallons per minute (45.4 liters per minute) and water temperatures up to 230 degrees F (110 degrees C).

More information about DeltaPoint® is available at, the Rocon LLC website, by calling Rocon LLC at (800) 870-5403 or (248) 542-9635, or by emailing the company at


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