เครื่องวัดความต้านทานดิน MS2302
DIGITAL EARTH RESISTANCE METER
DIGITAL AND ANALOG DISPLAY,1999 COUNTS
TWO POLE AND THREE POLE EARTH RESISTANCE TEST MODE.
EARTH RESISTANCE BY CONSTANT CURRENT INVERTER 800Hz ,APPROX. 3mA, 47V
AUTO RANGE AND MANUAL RANGE
MAX/MIN/AVG/REL FUNCTION.
AUTO/MANUAL POWER OFF SELECTION.
DATA SAVE FUNCTION
LOW BATTERY VOLTAGE INDICATION.
BACK LIGHT.
POWER:1.5V(AA)X4.
Specifications:
EARTH RESISTANCE RANGE ACCURACY
40Ω ±2%±30dgt
400Ω ±2%±3dgt
4000Ω ±2%±3dgt
EARTH VOLTAGE 50V(AC) ±3%±5dgt
Accessories:
iron rods x 2pcs;
test leads x 3;
English manual;
Portable bag.