UT255 series high voltage clamp ammeters can measure up to 69kV high voltage line current and leakage current. UT255 comes with an insulation rod, allowing professional users to check status of lightning arresters. The wireless model (UT255B) is also able to wirelessly transmit data in real-time up to 30m range. Its clamp can be easily removed from wire by pressing or pulling back the insulation rod.
Models in UT255 series: UT255A, UT255B
Features of UT255 Series High Voltage Clamp Ammeters
● Auto range, 2 times/s sampling rate
● Peak hold
● Manual range/stores 99 sets of data
● RS-232 interface
● Data hold
● Auto power off
● LCD backlight
● Overload protection, low battery indication
● Automatic plug clamp
Specifications of UT255 Series High Voltage Clamp Ammeters
| Specifications | Range | UT255A | UT255B |
| Leakage current (A) | 0.01mA~100A | ±(1%+5) | ±(1%+5) |
| 100A~600A | ±(2%+5) | ±(2%+5) | |
| Voltage (Freq.) 0V~69kV (50Hz/60Hz) | √ | √ | |
| Features | |||
| Display mode | 4 digits LCD | √ | √ |
| Jaw opening | 33mm | 33mm | |
| Auto range | √ | √ | |
| Wireless transmission | ≤30m | √ | |
| Data recall | √ | √ | |
| Data storage | 99 | 99 | |
| Peak value | √ | √ | |
| LCD backlight | √ | √ | |
| Data hold | √ | √ | |
| Auto power off | √ | √ | |
| Low battery indication | √ | √ | |
| Over-range display | OL | √ | √ |
| Test mode | Clamp CT, integration | √ | √ |
| Sampling rate | About 2 times/s | √ | √ |
| General Characteristics | |||
| Power | 1.5V Battery (LR03) x 4 | ||
| Display | 47mm x 28.5mm | ||
| Product color | Red and grey | ||
| Product net weight | 335g | ||
| Product size | 68mm x 245mm x 40mm | ||
| Standard accessories | Batteries, insulation rod, receiver (UT255B) | ||
| Standard individual packing | Gift box, English manual, tool box | ||
| Standard quantity per carton | 1pcs | ||
| Standard carton measurement | 1040mm x 240mm x 140mm | ||
| Standard carton gross weight | 6.8kg | ||
Malaysia
