SR-DER-II Digital Earth Resistance Tester
This tester is applied to test earth resistance of all kinds of devices and conductor resistance of low resistance in electric power, post, oil, chemistry, communication, mine industry and so on. It also can test resistance rate of soil and voltage to earth.
Details
Range |
Constant Current |
Precision and Error |
Resolution |
Additional |
|
0-1.999Ω 2-19.99Ω 20-199.9Ω AC:0-19.99V |
10mA（2Ω） 10mA（20Ω） 1mA（200Ω） <±(10%+1d) |
0-0.2Ω<±(3%+1d) 0.2-199.9Ω <±(1.5%+1d) 1-20V<±(3%+1d) |
0.001Ω 0.01Ω 0.1Ω 0.01V |
Rc:2Ω 20Ω/ <1KΩ 200Ω/<10KΩ Rp:<50KΩ Error:< ±5% |
|
Power Consumption |
Earth Voltage |
Humidity |
≤85%RH |
Power Supply |
Weight: <1.8Kg |
≤2W |
<5V,<±5% |
Temperature |
0℃-40℃ |
7.2-9V DC or 220V AC |
Size: 200×200×110mm |
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Contact Us
| Phone ： | +86 15723082729 |
|---|---|
| Email ： | cqsrri@gmail.com |
| Facebook ： | ChongqingSRRI |
| Website ： | www.cqsrri.com |
| Address ： | No. 1-8, Aoti Road, Jiulongpo District, Chongqing, China |
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