True measurement of speaker systems actual impedence at 1KHz.
Three test ranges (20/200/2000Ω) satisfy the testing requirement in home theater and commercial sound systems.
Convenient and portable battery operation.
Low battery indication.
Data hold function.
Timer function: this timer can last about 30 seconds after users press Test button.
Auto power off: after about 15 minutes of non-use.
Quantity
ltem No.
This Digital Earth Resistance Tester can measure grounding resistance and AC voltage to 200V. 2mA current test signal permits grounding resistance test Without tripping current breakers in the circuit under test. lt can bused in the grounding resistance measurements of power system,electrical device, lightning protection device, etc. it is easy to use and has a high precision
Grounding Voltage: 200V
Grounding Resistance:20Ω/200Ω/2000Ω