Fire Pump Test Meter เครื่องทดสอบอัตราการไหลเครื่องสูบน้ำดับเพลิง

GVI has become the worlds #1 flow meter manufacturer. With our Patent Pending venturi design, accuracy is far superior to all others. Our Digital Gauge is 4-20 ma transmitter with accuracy of .5%. It is clear why GVI is the industry leader for Fire Pump Test Meters.
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