Product Description:
JK7305接地电阻测试仪是用来测量电气设备内部的接地电阻,它反映的是电气设备的各处外露可导部分与电气设备的接地端子之间的（接触）电阻.
接地电阻测试仪为了消除接触电阻对测试的影响,采用四端测量法,即在被测电器的外露可导部分和接地端子之间加上电流,然后再测量这两端的电压,算
Give its resistance value.
Performance Characteristics:
■ Constant current linear amplifier output
■ Front panel software correction, high accuracy
■ Standard RS232, standard PLC interface
■ Keyboard lock function
■ The four-terminal measurement method is more accurate
■ Up to 15 groups of memory patterns can be tested
■ With alarm function
Technical indicators:
| Product model | JK7305 |
Output current |
3～30A±（2%±2counts） |
Test voltage |
AC6V |
Ground resistance range |
1～300 mΩOutput Current(3～10A)
Output current： AC：5～30A（恒流）±3%±3个字
|
Test time |
0.1～999.9s ±（2%±2counts） |
Liquid crystal disy (LCD) |
16＊2行背光式Liquid crystal disy (LCD) |
Remote control device |
Input: Test,Reset
|
Resolution |
Current: 0.01A Resistance: 1mΩ |
Test alarm |
Buzzer, indicator light |
Correction mode |
Software correction |
Memory device |
Can remember current, resistance, time and other Settings |
Temperature/humidity |
0℃ ～40℃ ≤75%RH |
Standard attachment |
JK26003A |
| Size/weight | W×H×D: 280mm×88mm×275mm / 10kg
|
