MS2302 , Mastech เครื่องวัดความต้านทานดิน Earth Resistance Tester / ราคา

คุณสมบัติสินค้า:

The meter is applicable to the testing of the earth resistance of the power supply wires, distribution wires inside a room, electrical equipment or appliance, which can done in two measurement modes: Bi-poles or Tri-poles, and it also can be used to measure the earth voltage.

EARTH RESISTANCE RANGE ACCURACY
-40Ω ±2%±30dgt
-400Ω ±2%±3dgt
-4000Ω ±2%±3dgt
-EARTH VOLTAGE 50V(AC) ±3%±5dgt