UT281 series can measure large currents in various harsh and hard to reach environments. They are designed with Rogowski flex coil and can test up to 3000A AC current. UT281A/C are from UNI-T’s Pro Line series, which meet IP54 and 2m drop-proof requirements. Due to the ease in operation, accurate readings, stable performance and reliable quality, these flex clamps are ideal tools for electricians.
Uni-T is one of the leading Test and Measurement solutions provider in the world and a prestige test meter brand throughout Asia. They are well known for high quality and affordable test and measurement products.
UT281E True RMS Flex Clamp Features:
- CAT IV 600V rating
- True RMS
- ETL/Intertek certified 3rd edition CE
- Flex coil diameter: 0.75cm, bending length: 45.7cm
- Large LCD display
- Display count 3000
- Refresh rate 3 times/s
- Manual Range selection
- 2m drop proof
- Long press INRUSH key for 2s to measure inrush current
- Data hold
- Backlight
- Auto power off
UT281E True RMS Flex Clamp Includes:
1 x UT281E, Batteries, test leads, point contact temperature probe, blister, 1 x English user manual and 12-month warranty.
UT281E True RMS Flex Clamp Specifications:
| Specifications | Range | UT281A | UT281E |
| AC current (A) | 30A/300A/3000A | ±(3%+5) | ±(3%+5) |
| Frequency response | 45Hz~500Hz (sine wave) | √ | √ |
| Inrush current | 0.5A~3000A (for reference) | √ | √ |
| AC voltage (V) | 600V | ±(1.2%+3) | |
| Resistance (Ω) | 60MΩ | ±(1.2%+3) | |
| Frequency (Hz) | 20Hz~30kHz | ±(1%+2) | |
| Features | |||
| Range selection | Manual | Auto (manual range available in current measurement) | |
| Flex coil size | 10”(25.4cm) radius: 1.5”(3.8cm) |
18” (45.7cm) radius: 3.1” (8cm) |
|
| Display count | 3000 | 6000 (3000 in current measurement) |
|
| Refresh rate | 3 times/s | 3 times/s | |
| True RMS | √ | √ | |
| Display interface (LCD) | Single | Dual | |
| Data hold/Buzzer | √ | √ | |
| Auto power off | √ | √ | |
| Low battery indication | √ | √ | |
| Backlight/Function selection | √ | √ | |
| 2m drop test | √ | √ | |
| IP rating | IP54 | ||
| General Characteristics | |||
| Power | 1.5V battery (R03) x 3 | ||
| Display | 32 x 34mm (1.8 inches) | ||
| Product colour | Red and grey | ||
| Product net weight | UT281A: 220g; UT281C: 236g; UT281E: 250g | ||
| Product size | UT281A: 300mm x 150mm x 55mm; UT281C: 350mm x 190mm x 55mm; UT281E: 325mm x 180mm x 30mm | ||
| Standard accessories | Batteries, PC software CD (UT281A), test leads (UT281E) | ||
| Standard individual packing | Box, blister, English manual (UT281A/C only: German, French, Spanish optional) | ||
