UNI-T UT-CS09A/UT-CS09C/UT-CS09D Flex Clamp Sensor 3000A Flexible AC  Ammeter Oscilloscope  Multimeter Current Probe    UT-CS09A Flex Clamp Sensor (Discontinued) UT-CS09 series & 64258;ex clamp sensor solves problems in measuring high current conductors in tight spaces. Its Rogowski coil based current sensor provides stable, safe, and high reliable measurements up to 3000A. This series’unique design and light weight feature make it a great choice for professional electricians. The UT-CS09A coil length is 25.4cm (10 inches), and UT-CS09C coil length is 45.7cm (18 inches). 1. Flex clamp can measure from 1.5A to 3000A current 2. 1m drop proof 3. Robust terminal connection       Specifications    Range    UT-CS09A    UT-CS09C    UT-CS09D        AC current (A)    30A/300A/3000A    ±(3%+5)    ±(3%+5)    ±(3%+5)        Frequency response (Hz)    45Hz~500Hz    √    √    √        Features            Flex clamp size    UT-CS09A: 25.4cm (10 inches); UT-CS09C/D: 45.7cm (18 inches)        Operating temperature     0& 8451;~50& 8451;         Storage temperature     -20°C~60°C        Storage humidity    ≤80%RH        Low battery indication    About 3.3V        Range selection    Manual        General Characterisitics        Power    1.5V battery (R03) x 3 (Not Included)        Product color    Red and grey        Product net weight    260g        Product size    267mm x 119.4mm x 34mm        Standard accessories    Batteries, BNC adapter        Standard individual packing    Blister, English manual