Uni-T UT281A PRO True RMS Flex Clamp Meter CAT IV 600V

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24.5 CM Flex Clamp – True RMS CAT IV 600V. Designed with Rogowski flex coil it can test up to 3000A AC current.

SKU: UT281A Categories: ,


UT281 series can measure large currents in various harsh and hard to reach environments.

The UT281A is 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 electrician and engineers.


  • CAT IV 600V rating
  • True RMS
  • Display interface (LCD)
  • ETL/Intertek certified 3rd edition CE
  • Flex coil diameter: 0.75cm, bending length: 45.7cm
  • Dual LCD display
  • Display count  6000
  • 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.

1 x UT281A, blister, English manual, batteries, PC software, CD and 12-month warranty.


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)
Range selection Manual Auto (manual range available in current measurement)
Flex coil size 10”(25.4cm) radius:
18” (45.7cm) radius:
3.1” (8cm)
Display count 3000 6000 (3000 in current
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)


UT281A PRO True RMS Flex Clamp Meter English Manual

UT281A PRO True RMS Flex Clamp Meter Flyer