ขาย Extech 382252

The 382252 earth ground resistance tester kit includes everything necessary to measure 20 to 2K ohm earth ground resistances in three separate ranges

382252: Earth Ground Resistance Tester Kit

Includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000Ohm

Features:

Large dual display with backlight
Test Hold function for easy operation
Automatic Zero adjustment
AC/DC Voltage, Resistance, and Continuity
Auto Power off, Overrange and low battery indication
Complete with test leads, 2 auxiliary earth bars, carrying case, protective rubber holster and six 1.5V AA batteries

Specifications:
Earth Ground
Resistance ranges 20Ω/ 200Ω/2000Ω
Basic Accuracy ±(2%rdg+2d)
Resolution 0.01Ω/ 0.1Ω/1Ω
Test Current
Frequency <2.5ma 820hz="" td=""> AC Earth Voltage
Frequency 0 to 200VAC / 50 to 400Hz
Accuracy ±(3%rdg+3d)
DC Voltage 0 to 1000V
Accuracy ±(0.8%rdg+3d)
Resistance 0 to 200kΩ
Accuracy ±(1%rdg+2d)
Continuity 40Ω
Power supply Six 1.5V ‘AA’ Batteries
Dimensions 7.9 x 3.6 x 2" (200 x 92 x 50mm)
Weight 1.5lbs (700g) (meter only)