Description
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.
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.
INCLUDES:
1 x UT281E, Batteries, test leads, point contact temperature probe, blister, 1 x English user manual and 12-month warranty.
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) | ||