Micro-leaks in heat exchangers and condensers are invisible to a water-immersion bubble test: brazed joints and tube expansion points only weep after thermal cycling. Finding out at the recall stage is far too late. The NL-LEAK-6 combines helium mass spectrometry with differential-pressure decay on six stations and turns leak rate into a number.…

2026/10/9 9:23:15

An inlet valve that runs low causes fill timeouts and error codes; one that runs high causes overflow and wrong detergent dosing, while a slow response skews the timed-fill volume. Incoming inspection that only checks open/closed cannot see any of it. The NL-WV-8 tests flow, pressure, response and endurance on eight stations in one pass.…

2026/10/9 9:23:15

Recovery rate, total treated volume and permeate flow decide whether a water purifier can be launched and listed. Stitching together hand-weighed samples, a stopwatch and a measuring cylinder gives scattered, untraceable data. The Endurance water efficiency test bench supplies water at constant flow and pressure and logs every figure automatically.…

2026/10/8 9:12:39

A thermostatic mixing valve is the upstream cause of "hot and cold" complaints in water heaters and showers: outlet temperature drifts, the spindle sticks, the sensing element ages. The Endurance NL-TMV-6 thermostatic valve life tester cycles hot and cold water on six stations while logging temperature, so endurance and control accuracy are quantified before assembly.…

2026/10/8 9:12:39

Early failure of a float-type water level switch is one of the most expensive after-sales problems in water purifiers: an alarm and shutdown, or worse, a leak or dry run. The Endurance NL-LVS-8 level sensor life test machine quantifies electrical life and switching consistency on eight parallel stations.…

2026/10/7 9:05:34

A drain pump that passes incoming inspection can still cause slow draining, stalling or noise once installed. The Endurance NL-PMP-6 pump test bench measures flow, head, power and noise on the same fixture and plots the full Q-H curve before the pump reaches the assembly line.…

2026/10/7 9:05:34