ETCR 3000B - Tester Structure; LCD Display Overview; Control Interface Components; Measurement Electrode Interfaces

-6-
R
(ρ=2πaR
a:1 m-100m,
π=3.14)
1000Ωm-9999Ωm
1Ωm
10.00kΩm-99.99kΩm
10Ωm
100.0kΩm-999.9kΩm
100Ωm
1000kΩm-9000kΩm
1kΩm
Earth Voltage
AC 0.0-600V
±2%rdg±3dgt
0.1V
Note: 1. When rC max or rP max, additional error≤±3%rdg±5dgt.
(rC max: 4kΩ+100R＜50kΩ, rP max: 4kΩ+100R＜50kΩ)
2. When 5V interference voltage, additional error≤±5%rdg±5dgt.
III． Tester Structure
1. LCD
2. Button area
3. Rotary switch
for selecting function
4. USB Interface
5. Interface of
testing wires
6. C(H) interface:
Current electrode
7. ES interface:
Auxiliary earth electrode
8. E interface:
Earth electrode
9. P(S) interface:
Voltage electrode
10. Standard test wires
11. Auxiliary grounding rod
12. Simple test line