・Leakage occurred in the three months or so using the (borosilicate) glass usually in Boiler liquid Level Gage meter.
＜Solution＞It is now possible to use more than one year to replace the Rukingu AR.
・It has been used for boiler liquid level gage (perspective Type, multi-port), but the leakage occurs frequently.
＜Solution＞Leakage is no longer by replacing the boiler for magnet-type level gage.
・Viewing window of the pressure 40MPa want.
＜Solution＞produce the Clean port.
・I want to see in the piping toothpaste.