THIẾT BỊ ĐO ĐIỆN, ĐIỆN TỬ
Specifications of UT270XX Clamp Earth Ground Tester
| Specifications | Range | UT273 | UT275 | UT276A | UT278A |
| Earth Ground Resistance (Ω) | 0.01~0.099Ω | ±(1%+0.01) | ±(1%+0.01) | ±(1%+0.01) | ±(1%+0.01) |
| 0.1~0.99Ω | ±(1%+0.01) | ±(1%+0.01) | ±(1%+0.01) | ±(1%+0.01) | |
| 1~49.9Ω | ±(1.5%+0.1) | ±(1.5%+0.1) | ±(1%+0.1) | ±(1%+0.1) | |
| 50~99.5Ω | ±(2%+0.5) | ±(2%+0.5) | ±(2%+0.5) | ±(2%+0.5) | |
| 100~199Ω | ±(3%+1) | ±(3%+1) | ±(3%+1) | ±(3%+1) | |
| 200~395Ω | ±(10%+5) | ±(10%+5) | ±(6%+5) | ±(6%+5) | |
| 400~590Ω | ±(20%+10) | ±(20%+10) | ±(10%+10) | ±(10%+10) | |
| 600~800Ω | ±(25%+20) | ±(20%+20) | ±(20%+20) | ||
| 600~1000Ω | ±(25%+20) | ||||
| 800~1200Ω | ±(25%+30) | ±(25%+30) | |||
| Leakage current (A) | 0mA~9mA | ±(2.5%+1mA) | |||
| 10mA~99mA | ±(2.5%+5mA) | ||||
| 100mA~299mA | ±(2.5%+10mA) | ||||
| 0mA~299mA | ±(2.5%+2mA) | ||||
| 0.3A~2.99A | ±(2.5%+100mA) | ±(2.5%+0.1A) | |||
| 3A~9.9A | ±(2.5%+0.3A) | ||||
| 10A~20A | ±(2.5%+0.5A) | ||||
| 3A~30A | ±(2.5%+300mA) | ||||
| Display count | 10000 | 10000 | 4 digits LCD display | ||
| Jaw opening | 28mm | 28mm | 32mm | 32mm | |
| Visual and audible alarm | √ | √ | |||
| Auto power off | √ | √ | |||
| Jamming signal recognition | √ | √ | |||
| Over-range display | √ | √ | |||
| Data storage | 30 | 30 | 99 | 99 | |
| Display type | LCD | LCD | LCD | LCD | |
| Ω+A display | √ | ||||
| General Characteristics | |||||
| Power | 1.5V battery (LR6) x 4 | ||||
| Display | 47mm x 28.5mm | ||||
| Product net weight | 1.32kg | ||||
| Product size | 293mm x 90mm x 66mm | ||||
| Standard accessories | Batteries, test ring, English manual | ||||
| Standard individual packing | Gift box, tool box | ||||
| Standard quantity per carton | 5pcs | ||||
| Standard carton measurement | 510mm x 375mm x 320mm | ||||
| Standard carton gross weight | 15.2kg |
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