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Hãng sản xuất: SEW - Đài Loan
 Model: 1620 ER
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| Microprocessor controlled. |
| Measure earth resistance in three ranges. (40 Ohm/400 Ohm/4k Ohm) |
| Capable of measuring earth voltage. |
| 3-3/4 digit (4000 counts). |
| LCD backlight display. |
| 2mA measuring current permits the testing of earth resistance without tripping earth leakage current circuit breakers in the circuit. |
| Data Hold function. |
| Relative function. |
| Auto power off function. |
| Battery operated. |
| Low Battery indication. |
| Small and light weight, easy to use. |
| EN 61010-1 CAT IV 400V |
| EN 61326-1, EN 61557-1, EN 61557-5 |