UT281A True RMS AC 3000A Flexible Clamp Meters BR2154 Description: 1. 2m drop proof, IP54, ETL/Intertek certified 3rd edition CE 2. Coil diameter: 0.75cm, bending length: 24.5cm for UT281A and 45.7cm for UT281C 3. Large LCD display for clear reading 4. True RMS 5. Long press INRUSH key for 2s to measure inrush current 6. Data hold, backlight, auto power off Specification: Basic Functions Range Basic Precision Model UT281A Max current  measurement (AC) 0.00A ~ 3000A ±(3%+5) Current measurement  (AC) 0.00A ~ 30.00A ±(3%+5) Current measurement  (AC) 0.0A ~ 300.0A ±(3%+5) Current measurement  (AC) 0A ~ 3000A ±(3%+5) Inrush current  measurement 0.00A ~ 3000A For reference Frequency response 45Hz~500Hz (sine wave) ? Jaw size Rogowski flex coil (diameter:  8mm) Bending length: 10? inches  (24.5cm); radius: around 1.5?inches (3.8cm) True RMS  measurement ? Measuring digit  conversion rate times/s 3 LCD display (TN) interface Single display Manual range ? Auto power off ? Buzzer ? Low battery  indication ? Data hold ? Manual backlight ? Working temperature 0°C ~ 50°C 2m drop proof ? Protection grade IP54 Safety  certification grade CAT IV 600V General  Characteristics Device color Red and grey Device weight 220g Device size 300mm × 150mm × 55mm Packages Include: 1 x UT281A True RMS AC 3000A Flexible Clamp Meters