STB325 (N) and STB350 (N), internal combustion, electric all locomotive meters. ST325 and ST350.: STB series of self-closing liquid level indicator, STA series of self-closing liquid level indicator, STD series of self-closing liquid level indicator,: STC series of self-closing liquid level indicator, ST1C series of self-closing liquid level indicator, STP series of self-closing liquid level indicator. Closed level indicator, ST2P series self-closing level indicator,: TH series self-closing level indicator, STB series self-closing level indicator,: self-closing level indicator for oil, water, beverage, various chemical liquids level indicator. Magnetic liquid level, liquid level sensor and digital liquid level gauge. TAG：