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Automatic Voltage Regulator R449 R replaces Leroy Somer R449
Back light / sleep / non-sleep mode selection
automatic reset
Accuracy (level 5): ±2
HT-550 high Strength Aluminium Concrete Rebound Tester Moisture Meters Automatic Voltage Regulator R449 RBrand: Graigar Features: The centre guide bar is made of materials with high precision Housing made of duralumin The pointer slider adopts external spring coil structure, which is not only convenient for friction adjustment, but also can make the friction between the pointer shaft and the pointer slider uniform. This product is suitable for testing the strength of high rise building components, bridges and such components (plates, beams, columns,
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