UT281E True RMS Flex Clamp

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UT281E True RMS Flex Clamp

Specification & Comparison

Specifications Range UT281C 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   18” (45.7cm) radius: 18” (45.7cm) radius:
3.1”(8cm) 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 color 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 Gift box, blister, English manual
Standard quantity per carton UT281A/UT281C: 8pcs; UT281E: 10pcs
Standard carton measurement UT281A: 580mm x 380mm x 180mm; UT281C: 420mm x 355mm x 425mm; UT281E: 435mm x 380mm x 245mm
Standard carton gross weight UT281A: 4.9kg; UT281C: 6.2kg; UT281E: 6.3kg


Applications of UT281 Series True RMS Flex Clamps


Related Documet

Technial Document

UT281C | Datasheet


UT281E | Datasheet


UT281C/UT281E | User Manual